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* [Bug math/22146] C++ build issue with float128 on x86_64
[not found] <bug-22146-131@http.sourceware.org/bugzilla/>
@ 2017-09-20 21:21 ` joseph at codesourcery dot com
0 siblings, 0 replies; only message in thread
From: joseph at codesourcery dot com @ 2017-09-20 21:21 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=22146
--- Comment #10 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Wed, 20 Sep 2017, romain.naour at gmail dot com wrote:
> Hi have a different error from the config.log. I'm using gcc 7.x (commit
> 56ce01906ecb0a3e04411f8ceb60b27f4877f070)
>
> configure:18385: checking for obsolete isnan function in <math.h>
That's nothing to do with float128. The obsolete X/Open isnan C function
isn't declared by glibc for C++, deliberately. That test is *meant* to
fail.
Look at the <cmath> and <math.h> installed with GCC - in locations such as
<target>/include/c++/7.2.1/math.h. The math.h header should include
<cmath> and then have various using declarations. The cmath header should
include directives such as "#undef fpclassify" (meaning that all these
math.h macros in glibc's math.h are completely irrelevant for C++). If
they don't, you need to trace back why the wrong versions of those headers
got installed by libstdc++ (compare configure results with an installation
built without --enable-target-optspace, for example). If the headers look
as expected, you need to trace the exact sequence of header inclusions,
macros defines and undefines seen in your C++ test, to see why the C
macros are visible for C++ when they should always be undefined by the C++
cmath header, which is included from the C++ version of math.h.
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>From glibc-bugs-return-38996-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 20 21:46:59 2017
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From: "dj at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nscd/22161] New: nscd cache prune for netgroups hangs after timeout bump
Date: Wed, 20 Sep 2017 21:46:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22161
Bug ID: 22161
Summary: nscd cache prune for netgroups hangs after timeout
bump
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: nscd
Assignee: unassigned at sourceware dot org
Reporter: dj at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
in nscd/netgroupcache.c in addinnetgrX() we call mempool_alloc(..., 1) which
takes a lock on the database. If we exit via the "bump timeout" clause, the
lock is not released.
This can be reproduced by requesting the same query multiple times within the
timeout, then waiting for a cache prune cycle that needs to time those entries
out... the prune thread waits forever for a write lock. Reads from the
database continue but prunes stop. To the user, it appears as if the cache
just keeps stale data.
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>From glibc-bugs-return-38997-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 20 21:47:14 2017
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Subject: [Bug nscd/22161] nscd cache prune for netgroups hangs after timeout bump
Date: Wed, 20 Sep 2017 21:47:00 -0000
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dj at redhat dot com <dj at redhat dot com> changed:
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>From glibc-bugs-return-38998-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 20 22:35:14 2017
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From: "rmbeer2 at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/22162] New: Wrong space to load in the memory...
Date: Wed, 20 Sep 2017 22:35:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22162
Bug ID: 22162
Summary: Wrong space to load in the memory...
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: rmbeer2 at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
OS: Archlinux 64 bits. (Last update)
I have a library of 64 bits that have 5kb of size, but in the mapping of Phdr
have a separation of 2 mb for two fragment of 2.5kb. I can't reserve 2mb for a
file of 5kb in the memory, how to make allocate in the memory with 5kb of space
but have 2mb of separation between the two fragments?
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>From glibc-bugs-return-38999-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 21 07:37:18 2017
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Subject: [Bug nscd/22161] nscd cache prune for netgroups hangs after timeout bump
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Florian Weimer <fweimer at redhat dot com> changed:
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Status|NEW |ASSIGNED
CC| |fweimer at redhat dot com
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1435615
Flags| |security-
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>From glibc-bugs-return-39000-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 21 12:19:55 2017
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22165] New: [hppa] Text relocations in libc.so
Date: Thu, 21 Sep 2017 12:19:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22165
Bug ID: 22165
Summary: [hppa] Text relocations in libc.so
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
CC: carlos at redhat dot com, danglin at gcc dot gnu.org,
drepper.fsp at gmail dot com
Target Milestone: ---
Host: hppa*-*-linux*
On hppa-linux-gnu, elf/check-textrel fails because of text relocations in
libc.so (this is one of the few obstructions to getting clean compilation test
results everywhere with build-many-glibcs.py).
The problem code appears to be in sysdeps/unix/sysv/linux/hppa/getcontext.S:
ldil L%__getcontext_ret, %r1
ldo R%__getcontext_ret(%r1), %r1
which produces R_PARISC_DIR21L and R_PARISC_DIR14R text relocations. I'm not
familiar with the architecture so don't know how this should be fixed.
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>From glibc-bugs-return-39001-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 21 13:32:52 2017
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From: "amodra at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22016] glibc-2.26 (and master) crashes on powerpc with --enable-stack-protector=all
Date: Thu, 21 Sep 2017 13:32:00 -0000
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Alan Modra <amodra at gmail dot com> changed:
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--- Comment #2 from Alan Modra <amodra at gmail dot com> ---
gcc-5, gcc-6, gcc-7 and master are now fixed.
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>From glibc-bugs-return-39002-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 21 18:49:27 2017
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From: "ppluzhnikov at google dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22180] New: destructor registered via __cxa_atexit is called twice
Date: Thu, 21 Sep 2017 18:49:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22180
Bug ID: 22180
Summary: destructor registered via __cxa_atexit is called twice
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: ppluzhnikov at google dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Test case from https://sourceware.org/ml/libc-alpha/2017-09/msg00762.html
/// tst-dlclose-exit.c
#include <stdio.h>
#include <stdlib.h>
#include <dlfcn.h>
#include <semaphore.h>
#include <pthread.h>
sem_t order;
void *
open_library (char * pathname)
{
void *dso;
char *err;
/* Open the DSO. */
dso = dlopen (pathname, RTLD_NOW|RTLD_GLOBAL);
if (dso == NULL)
{
err = dlerror ();
fprintf (stderr, "%s\n", err);
exit (1);
}
/* Clear any errors. */
dlerror ();
return dso;
}
int
close_library (void *dso)
{
int ret;
char *err;
/* Close the library and look for errors too. */
ret = dlclose (dso);
if (ret != 0)
{
err = dlerror ();
fprintf (stderr, "%s\n", err);
exit (1);
}
return ret;
}
void *
exit_thread (void *arg)
{
/* Wait for the dlclose to start... */
sem_wait (&order);
/* Then try to run the exit sequence which should call all
__cxa_atexit registered functions and in parallel with
the executing dlclose(). */
exit (0);
}
int
main (void)
{
void *dso;
pthread_t thread;
dso = open_library ("./libhas-dtors.so");
pthread_create (&thread, NULL, exit_thread, NULL);
close_library (dso);
pthread_join (thread, NULL);
return 1;
}
/// has-dtors.c
#include <stdio.h>
#include <stdlib.h>
#include <semaphore.h>
#include <unistd.h>
/* Semaphore defined in executable to ensure we have
a happens-before between the first function starting
and exit being called. */
extern sem_t order;
/* glibc function for registering DSO-specific exit functions. */
extern int __cxa_atexit (void (*func) (void *), void *arg, void *dso_handle);
/* Hidden compiler handle to this shared object. */
extern void *__dso_handle __attribute__ ((__weak__));
static void
first (void *start)
{
sem_post (&order);
sleep (10);
printf ("first\n");
}
static void
second (void *start)
{
printf ("second\n");
}
__attribute__ ((constructor)) static void
constructor (void)
{
sem_init (&order, 0, 0);
__cxa_atexit (second, NULL, __dso_handle);
__cxa_atexit (first, NULL, __dso_handle);
}
gcc -O0 -g3 -shared -fPIC -o libhas-dtors.so has-dtors.c -lpthread
gcc -O0 -g3 -export-dynamic -o tst-dlclose-exit tst-dlclose-exit.c -lpthread
-ldl
$ ./tst-dlclose-exit
second
first
second
Patch discussion:
https://sourceware.org/ml/libc-alpha/2017-09/msg00822.html
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Subject: [Bug libc/22180] destructor registered via __cxa_atexit is called twice
Date: Thu, 21 Sep 2017 18:49:00 -0000
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at sourceware dot org |ppluzhnikov at google dot com
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Subject: [Bug libc/22180] destructor registered via __cxa_atexit is called twice
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--- Comment #1 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Fixed by
https://sourceware.org/git/?p=glibc.git;a=commit;h=e5e4d7cc056ffae51fc55b66d9dd0abd99927486
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From: "romain.naour at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug math/22146] C++ build issue with float128 on x86_64
Date: Thu, 21 Sep 2017 21:46:00 -0000
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--- Comment #11 from romain.naour at gmail dot com ---
Hi,
Sorry, In my previous comment I was looking at the libstdc++ build log where
float128 was disabled.
Here is the result of the test:
configure:16625: checking for ISO C99 support in <math.h> for C++98
configure:16694:
/home/kubu/toolchain/x86_64-glibc-master/build/host-gcc-final-custom/build/./gcc/xgcc
-shared-libgcc
-B/home/kubu/toolchain/x86_64-glibc-master/build/host-gcc-final-custom/build/./gcc
-nostdinc++
-L/home/kubu/toolchain/x86_64-glibc-master/build/host-gcc-final-custom/build/x86_64-buildroot-linux-gnu/libstdc++-v3/src
-L/home/kubu/toolchain/x86_64-glibc-master/build/host-gcc-final-custom/build/x86_64-buildroot-linux-gnu/libstdc++-v3/src/.libs
-L/home/kubu/toolchain/x86_64-glibc-master/build/host-gcc-final-custom/build/x86_64-buildroot-linux-gnu/libstdc++-v3/libsupc++/.libs
-B/home/kubu/toolchain/x86_64-glibc-master/host/x86_64-buildroot-linux-gnu/bin/
-B/home/kubu/toolchain/x86_64-glibc-master/host/x86_64-buildroot-linux-gnu/lib/
-isystem
/home/kubu/toolchain/x86_64-glibc-master/host/x86_64-buildroot-linux-gnu/include
-isystem
/home/kubu/toolchain/x86_64-glibc-master/host/x86_64-buildroot-linux-gnu/sys-include
-o conftest -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
-Os -D_GNU_SOURCE -std=c++98 -fno-exceptions conftest.cpp -lm >&5
In file included from conftest.cpp:36:0:
conftest.cpp: In function 'int main()':
conftest.cpp:42:5: error: expected primary-expression before '__typeof'
i = fpclassify(d1);
^
conftest.cpp:42:5: error: expected primary-expression before 'float'
i = fpclassify(d1);
^
conftest.cpp:42:5: error: '__builtin_types_compatible_p' was not declared in
this scope
i = fpclassify(d1);
^
conftest.cpp:42:5: note: suggested alternative: '__builtin_ia32_comile'
conftest.cpp:42:5: error: expected primary-expression before '__typeof'
i = fpclassify(d1);
^
conftest.cpp:42:5: error: expected primary-expression before 'double'
i = fpclassify(d1);
^
conftest.cpp:42:5: error: expected primary-expression before '__typeof'
i = fpclassify(d1);
^
conftest.cpp:42:5: error: expected primary-expression before 'long'
i = fpclassify(d1);
^
conftest.cpp:42:5: error: '__builtin_choose_expr' was not declared in this
scope
i = fpclassify(d1);
^
conftest.cpp:42:5: note: suggested alternative: '__builtin_cexpi'
conftest.cpp:42:5: error: '__builtin_choose_expr' was not declared in this
scope
i = fpclassify(d1);
^
conftest.cpp:42:5: note: suggested alternative: '__builtin_cexpi'
conftest.cpp:42:5: error: '__builtin_choose_expr' was not declared in this
scope
i = fpclassify(d1);
^
conftest.cpp:42:5: note: suggested alternative: '__builtin_cexpi'
configure:16694: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "package-unused"
| #define PACKAGE_TARNAME "libstdc++"
| #define PACKAGE_VERSION "version-unused"
| #define PACKAGE_STRING "package-unused version-unused"
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL ""
| #define STDC_HEADERS 1
| #define HAVE_SYS_TYPES_H 1
| #define HAVE_SYS_STAT_H 1
| #define HAVE_STDLIB_H 1
| #define HAVE_STRING_H 1
| #define HAVE_MEMORY_H 1
| #define HAVE_STRINGS_H 1
| #define HAVE_INTTYPES_H 1
| #define HAVE_STDINT_H 1
| #define HAVE_UNISTD_H 1
| #define HAVE_DLFCN_H 1
| #define LT_OBJDIR ".libs/"
| #define _GLIBCXX_HOSTED 1
| #define _GLIBCXX_VERBOSE 1
| #define _GLIBCXX_ATOMIC_BUILTINS 1
| #define _GLIBCXX_USE_INT128 1
| #define _GLIBCXX_USE_FLOAT128 1
| #define HAVE_STRXFRM_L 1
| #define HAVE_STRERROR_L 1
| #define HAVE_STRERROR_R 1
| #define HAVE_LIBINTL_H 1
| #define _GLIBCXX_USE_NLS 1
| #define _GLIBCXX_USE_LONG_LONG 1
| #define HAVE_WCHAR_H 1
| #define HAVE_MBSTATE_T 1
| #define HAVE_WCTYPE_H 1
| #define _GLIBCXX_USE_WCHAR_T 1
| /* end confdefs.h. */
| #include <math.h>
| volatile double d1, d2;
| volatile int i;
| int
| main ()
| {
| i = fpclassify(d1);
| i = isfinite(d1);
| i = isinf(d1);
| i = isnan(d1);
| i = isnormal(d1);
| i = signbit(d1);
| i = isgreater(d1, d2);
| i = isgreaterequal(d1, d2);
| i = isless(d1, d2);
| i = islessequal(d1, d2);
| i = islessgreater(d1, d2);
| i = islessgreater(d1, d2);
| i = isunordered(d1, d2);
|
| ;
| return 0;
| }
configure:16705: result: no
So, it's the same issue as for gcc 6.4.0.
Sorry for the noise...
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Subject: [Bug glob/22183] New: commit 5554304f0ddd ("posix: Allow glob to match dangling symlinks") cause "make" segfaults
Date: Fri, 22 Sep 2017 08:16:00 -0000
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Bug ID: 22183
Summary: commit 5554304f0ddd ("posix: Allow glob to match
dangling symlinks") cause "make" segfaults
Product: glibc
Version: unspecified
Status: NEW
Severity: critical
Priority: P2
Component: glob
Assignee: unassigned at sourceware dot org
Reporter: markus at trippelsdorf dot de
CC: adhemerval.zanella at linaro dot org
Target Milestone: ---
Since:
commit 5554304f0dddf75dc27cc6250fc53355161fd16a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 4 16:22:28 2017 -0300
posix: Allow glob to match dangling symlinks [BZ #866]
I get, e.g.:
markus@x4 linux % make
[1] 303 segmentation fault nice -n 19 make
...
52590 8275 openat(AT_FDCWD, "/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
52591 8275 read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@q\2\0\0\0\0\0"..., 832) = 832
52592 8275 fstat(3, {st_mode=S_IFREG|0755, st_size=16657728, ...}) = 0
52593 8275 mmap(NULL, 1779696, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE,
3, 0) = 0x7f3861552000
52594 8275 mprotect(0x7f38616fa000, 4096, PROT_NONE) = 0
52595 8275 mmap(0x7f38616fb000, 24576, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a8000) = 0x7f38616fb000
52596 8275 mmap(0x7f3861701000, 14320, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f3861701000
52597 8275 close(3) = 0
52598 8275 mmap(NULL, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x7f386154f000
52599 8275 arch_prctl(ARCH_SET_FS, 0x7f386154f740) = 0
52600 8275 mprotect(0x7f38616fb000, 12288, PROT_READ) = 0
52601 8275 mprotect(0x414000, 4096, PROT_READ) = 0
52602 8275 mprotect(0x7f386175a000, 4096, PROT_READ) = 0
52603 8275 munmap(0x7f3861705000, 171226) = 0
52604 8275 brk(NULL) = 0x1fba000
52605 8275 brk(0x1fdb000) = 0x1fdb000
52606 8275 openat(AT_FDCWD, "/usr/lib/locale/locale-archive",
O_RDONLY|O_CLOEXEC) = 3
52607 8275 fstat(3, {st_mode=S_IFREG|0644, st_size=3155424, ...}) = 0
52608 8275 mmap(NULL, 3155424, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f386124c000
52609 8275 close(3) = 0
52610 8275 ioctl(0, TCGETS, {B38400 opost isig icanon echo ...}) = 0
52611 8275 newfstatat(AT_FDCWD, ".8267.tmp", 0x1fbc5b8, AT_SYMLINK_NOFOLLOW) =
-1 ENOENT (No such file or directory)
52612 8275 unlinkat(AT_FDCWD, ".8267.tmp", 0) = -1 ENOENT (No such file or
directory)
52613 8275 newfstatat(AT_FDCWD, ".8267.o", 0x1fbc6d8, AT_SYMLINK_NOFOLLOW) =
-1 ENOENT (No such file or directory)
52614 8275 unlinkat(AT_FDCWD, ".8267.o", 0) = -1 ENOENT (No such file or
directory)
52615 8275 lseek(0, 0, SEEK_CUR) = -1 ESPIPE (Illegal seek)
52616 8275 close(0) = 0
52617 8275 close(1) = 0
52618 8275 close(2) = 0
52619 8275 exit_group(0) = ?
52620 8275 +++ exited with 0 +++
52621 8267 <... wait4 resumed> [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0,
NULL) = 8275
52622 8267 rt_sigaction(SIGINT, {sa_handler=SIG_DFL, sa_mask=[],
sa_flags=SA_RESTORER, sa_restorer=0x7fc196ed8070}, {sa_handler=0x43ca80,
sa_mask=[], sa_flags=SA_RESTORER, sa_res torer=0x7fc196ed8070}, 8) = 0
52623 8267 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
52624 8267 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8275,
si_uid=1000, si_status=0, si_utime=0, si_stime=0} ---
52625 8267 wait4(-1, 0x7ffdd4d28a58, WNOHANG, NULL) = -1 ECHILD (No child
processes)
52626 8267 rt_sigreturn({mask=[]}) = 0
52627 8267 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
52628 8267 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
52629 8267 exit_group(0) = ?
52630 8267 +++ exited with 0 +++
52631 7948 <... read resumed> "", 198) = 0
52632 7948 close(4) = 0
52633 7948 wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 8267
52634 7948 read(3, "rch/$(SRCARCH)/kernel/vmlinux.ld"..., 4096) = 4096
52635 7948 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0xc8}
---
52636 7948 +++ killed by SIGSEGV +++
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Subject: [Bug nss/22184] New: Memory leak(s) in getaddrinfo_a
Date: Fri, 22 Sep 2017 08:37:00 -0000
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Bug ID: 22184
Summary: Memory leak(s) in getaddrinfo_a
Product: glibc
Version: unspecified
Status: UNCONFIRMED
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Priority: P2
Component: nss
Assignee: unassigned at sourceware dot org
Reporter: tim.ruehsen at gmx dot de
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Created attachment 10458
--> https://sourceware.org/bugzilla/attachment.cgi?id=10458&action=edit
Reproducer C code
Attached is a simple example code where valgrind shows memory leaks (Debian
unstable, glibc 2.24 here). Since the man pages are not clear about free'ing
memory, I already tried several code variations - with no success.
Valgrind output:
==1998== 28 bytes in 1 blocks are still reachable in loss record 1 of 5
==1998== at 0x4C2BBEF: malloc (vg_replace_malloc.c:299)
==1998== by 0x51423D6: __res_vinit (res_init.c:279)
==1998== by 0x51439B2: __res_maybe_init (res_libc.c:122)
==1998== by 0x5C0A95B: ???
==1998== by 0x510FFC0: gaih_inet.constprop.5 (getaddrinfo.c:848)
==1998== by 0x51112E7: getaddrinfo (getaddrinfo.c:2391)
==1998== by 0x4E39047: handle_requests (gai_misc.c:320)
==1998== by 0x53E0493: start_thread (pthread_create.c:333)
==1998==
==1998== 28 bytes in 1 blocks are still reachable in loss record 2 of 5
==1998== at 0x4C2BBEF: malloc (vg_replace_malloc.c:299)
==1998== by 0x5E187F9: ???
==1998== by 0x5E15BC3: ???
==1998== by 0x5E16234: ???
==1998== by 0x5E166E8: ???
==1998== by 0x5C0A9F8: ???
==1998== by 0x510FFC0: gaih_inet.constprop.5 (getaddrinfo.c:848)
==1998== by 0x51112E7: getaddrinfo (getaddrinfo.c:2391)
==1998== by 0x4E39047: handle_requests (gai_misc.c:320)
==1998== by 0x53E0493: start_thread (pthread_create.c:333)
==1998==
==1998== 64 bytes in 1 blocks are still reachable in loss record 3 of 5
==1998== at 0x4C2BB1F: malloc (vg_replace_malloc.c:298)
==1998== by 0x4C2DE9F: realloc (vg_replace_malloc.c:785)
==1998== by 0x4E395D7: get_elem (gai_misc.c:119)
==1998== by 0x4E395D7: __gai_enqueue_request (gai_misc.c:225)
==1998== by 0x4E39B84: getaddrinfo_a (getaddrinfo_a.c:67)
==1998== by 0x108902: main (in /usr/tim/src/wget2/gai_leak)
==1998==
==1998== 272 bytes in 1 blocks are possibly lost in loss record 4 of 5
==1998== at 0x4C2DC05: calloc (vg_replace_malloc.c:711)
==1998== by 0x4011F31: allocate_dtv (dl-tls.c:322)
==1998== by 0x40128BD: _dl_allocate_tls (dl-tls.c:539)
==1998== by 0x53E100B: allocate_stack (allocatestack.c:580)
==1998== by 0x53E100B: pthread_create@@GLIBC_2.2.5 (pthread_create.c:539)
==1998== by 0x4E3946A: __gai_create_helper_thread (gai_misc.h:113)
==1998== by 0x4E3946A: __gai_enqueue_request (gai_misc.c:256)
==1998== by 0x4E39B84: getaddrinfo_a (getaddrinfo_a.c:67)
==1998== by 0x108902: main (in /usr/tim/src/wget2/gai_leak)
==1998==
==1998== 2,048 bytes in 1 blocks are still reachable in loss record 5 of 5
==1998== at 0x4C2DC05: calloc (vg_replace_malloc.c:711)
==1998== by 0x4E394F1: get_elem (gai_misc.c:131)
==1998== by 0x4E394F1: __gai_enqueue_request (gai_misc.c:225)
==1998== by 0x4E39B84: getaddrinfo_a (getaddrinfo_a.c:67)
==1998== by 0x108902: main (in /usr/tim/src/wget2/gai_leak)
==1998==
==1998== LEAK SUMMARY:
==1998== definitely lost: 0 bytes in 0 blocks
==1998== indirectly lost: 0 bytes in 0 blocks
==1998== possibly lost: 272 bytes in 1 blocks
==1998== still reachable: 2,168 bytes in 4 blocks
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>From glibc-bugs-return-39008-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 22 08:44:17 2017
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Subject: [Bug glob/22183] commit 5554304f0ddd ("posix: Allow glob to match dangling symlinks") cause "make" segfaults
Date: Fri, 22 Sep 2017 08:44:00 -0000
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--- Comment #1 from Markus Trippelsdorf <markus at trippelsdorf dot de> ---
Ah, I see that this issue is already being discussed on the mailing-list.
Feel free to close this bug.
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>From glibc-bugs-return-39009-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 22 11:19:17 2017
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Subject: [Bug locale/22062] Data race when reading configuration in iconv/gconv_conf.c
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>From glibc-bugs-return-39010-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 22 12:00:34 2017
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Subject: [Bug libc/22180] destructor registered via __cxa_atexit is called twice
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--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
When marking bugs as FIXED, please set the target milestone to the first
mainline release with the fix (so 2.27 for fixes being checked in now).
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Subject: [Bug localedata/16148] ca_ES: incorrect thousands separator
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>From glibc-bugs-return-39013-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 22 12:15:30 2017
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/22183] commit 5554304f0ddd ("posix: Allow glob to match dangling symlinks") cause "make" segfaults
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--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Yes, it was pointed out by Andreas Schwab that this recent modification would
break GNUmake in some scenarios.
The current approach to fix it is in twofold [1]:
* Bump _GNU_GLOB_INTERFACE_VERSION to 2 and forcing new GNUmake build to use
its internal glob implementation.
* Add a compat symbol with previous semantic that avoid calling gl_lstat and
thus avoid breaking make.
Paul Eggert already sent an initial patch to fix it on make side [2], but I
think we should also change make configure script to check for
_GNU_GLOB_INTERFACE_VERSION 1 and 2 and enable glob for newer implementations
as well (with the fix along it).
I will keep the patch open to track this issue, thanks for reporting it.
[1] https://sourceware.org/ml/libc-alpha/2017-09/msg00718.html
[2] http://lists.gnu.org/archive/html/bug-make/2017-09/msg00014.html
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>From glibc-bugs-return-39014-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 22 12:20:57 2017
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>From glibc-bugs-return-39016-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 22 12:38:58 2017
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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CC| |tortoise_74 at yahoo dot co.uk
--- Comment #8 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
*** Bug 22140 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-39015-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 22 12:38:58 2017
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/22140] ftell() returns incorrect value for memory stream
Date: Fri, 22 Sep 2017 12:38:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |DUPLICATE
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I can't really tell which kind of backports OpenSUSE LEAP 22 carries on its
glibc package, but my understanding is this is in fact BZ#20005 (which has been
fixed on 2.24). I can't reproduce it on master:
$ /home/azanella/Projects/glibc/build/x86_64-linux-gnu/testrun.sh ./test
2.26.90
written=4
fstatus=0
ftellpos=4
fstatus=0
ftellpos2=4
I would like to ask you for future bug report if you could use the canonical
source tree [1] instead of reporting against distro releases. It is mostly
because distro usually carry both backports and non-upstream patches that make
difficult to track down which version it really occurs.
Also, avoid reporting bug against old releases and check against master to see
it has been already fixed upstream. This helps us pinpoint the commit for
possible backport.
[1] https://www.gnu.org/software/libc/sources.html
*** This bug has been marked as a duplicate of bug 20005 ***
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Subject: [Bug nptl/22125] Incorrect feature test macro markings for pthread_mutexattr_setrobust() and pthread_mutexattr_getrobust()
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>From glibc-bugs-return-39019-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 22 13:18:19 2017
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Subject: [Bug nss/22184] Memory leak(s) in getaddrinfo_a
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
Are you able to try reproducing this with glibc master or 2.26? Both have some
cleanups in this area.
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Subject: [Bug nss/22184] Memory leak(s) in getaddrinfo_a
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--- Comment #2 from Tim Rühsen <tim.ruehsen at gmx dot de> ---
(In reply to Carlos O'Donell from comment #1)
> Are you able to try reproducing this with glibc master or 2.26? Both have
> some cleanups in this area.
My system is at 2.25. Cloned the glibc repo and could not see anything in the
commits (after a quick look).
Never built glibc before, but I'll have a look at it at the weekend.
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>From glibc-bugs-return-39021-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 22 14:14:21 2017
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Subject: [Bug nss/22184] Memory leak(s) in getaddrinfo_a
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--- Comment #3 from Tim Rühsen <tim.ruehsen at gmx dot de> ---
(In reply to Carlos O'Donell from comment #1)
> Are you able to try reproducing this with glibc master or 2.26? Both have
> some cleanups in this area.
Just checked with current master.
CFLAGS="-O1 -g" ../configure --prefix=/usr/tim/src/glibc/myinstall
--disable-werror
make
make install
gcc -I../myinstall/include gai_leak.c -o gai_leak -L../myinstall/lib
../myinstall/lib/libanl.so ../myinstall/lib/libc.so
../myinstall/lib/libpthread.so
valgrind ./gai_leak
...
==29332== in use at exit: 2,440 bytes in 5 blocks
==29332== total heap usage: 74 allocs, 69 frees, 104,809 bytes allocated
==29332==
==29332== LEAK SUMMARY:
==29332== definitely lost: 0 bytes in 0 blocks
==29332== indirectly lost: 0 bytes in 0 blocks
==29332== possibly lost: 272 bytes in 1 blocks
==29332== still reachable: 2,168 bytes in 4 blocks
...
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Subject: [Bug libc/22180] destructor registered via __cxa_atexit is called twice
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Subject: [Bug math/22189] New: [powerpc] math_private.h definitions of math_opt_barrier and math_force_eval
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Bug ID: 22189
Summary: [powerpc] math_private.h definitions of
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Product: glibc
Version: 2.28
Status: UNCONFIRMED
Severity: enhancement
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: dje.gcc at gmail dot com
Target Milestone: ---
The PowerPC port should define math_opt_barrier and math_force_eval in
sysdeps/powerpc/fpu/math_private.h to override the default definitions that
force a write to memory.
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Subject: [Bug math/22146] C++ build issue with float128 on x86_64
Date: Fri, 22 Sep 2017 18:11:00 -0000
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--- Comment #12 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c5c4a626098ec884b8527356abdf2a4bb7b6bf27
commit c5c4a626098ec884b8527356abdf2a4bb7b6bf27
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Wed Sep 20 15:10:26 2017 -0300
Let fpclassify use the builtin when optimizing for size in C++ mode (bug
22146)
When optimization for size is on (-Os), fpclassify does not use the
type-generic __builtin_fpclassify builtin, instead it uses __MATH_TG.
However, when library support for float128 is available, __MATH_TG uses
__builtin_types_compatible_p, which is not available in C++ mode.
On the other hand, libstdc++ undefines (in cmath) many macros from
math.h, including fpclassify, so that it can provide its own functions.
However, during its configure tests, libstdc++ just tests for the
availability of the macros (it does not undefine them, nor does it
provide its own functions).
Finally, when libstdc++ is configured with optimization for size
enabled, its configure tests include math.h and get the definition of
fpclassify that uses __MATH_TG (and __builtin_types_compatible_p).
Since libstdc++ does not undefine the macros during its configure tests,
they fail.
This patch lets fpclassify use the builtin in C++ mode, even when
optimization for size is on. This allows the configure test in
libstdc++ to work.
Tested for powerpc64le and x86_64.
[BZ #22146]
math/math.h: Let fpclassify use the builtin in C++ mode, even
when optimazing for size.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
math/math.h | 8 +++++++-
2 files changed, 13 insertions(+), 1 deletions(-)
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Subject: [Bug math/22146] C++ build issue with float128 on x86_64
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Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #13 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
Fixed for 2.27.
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Subject: [Bug math/22189] [powerpc] math_private.h definitions of math_opt_barrier and math_force_eval
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Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tuliom at linux dot vnet.ibm.com
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Subject: [Bug math/22189] [powerpc] math_private.h definitions of math_opt_barrier and math_force_eval
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Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Host| |powerpc*-linux-gnu
Assignee|unassigned at sourceware dot org |tuliom at linux dot vnet.ibm.com
--- Comment #1 from Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> ---
Patch submitted: https://patchwork.sourceware.org/patch/23084/
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>From glibc-bugs-return-39028-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 22 20:40:08 2017
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Subject: [Bug localedata/21271] cv_RU: update translations
Date: Fri, 22 Sep 2017 20:40:00 -0000
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--- Comment #3 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Note comment lost in system crash and restore from backup.
https://sourceware.org/ml/glibc-bugs/2017-08/msg00392.html
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Subject: [Bug localedata/20008] km_KH: convert to translit_neutral
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
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Target Milestone|--- |2.27
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Restoring changes lost in system crash and restore from backup.
https://sourceware.org/ml/glibc-bugs/2017-08/msg00393.html
https://sourceware.org/ml/glibc-bugs/2017-08/msg00394.html
https://sourceware.org/ml/glibc-bugs/2017-08/msg00395.html
https://sourceware.org/ml/glibc-bugs/2017-08/msg00396.html
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Subject: [Bug math/22146] C++ build issue with float128 on x86_64
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--- Comment #14 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.26/master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d37c951fde57e8acb320a9a7d437ba50a1fc3c8a
commit d37c951fde57e8acb320a9a7d437ba50a1fc3c8a
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Wed Sep 20 15:10:26 2017 -0300
Let fpclassify use the builtin when optimizing for size in C++ mode (bug
22146)
When optimization for size is on (-Os), fpclassify does not use the
type-generic __builtin_fpclassify builtin, instead it uses __MATH_TG.
However, when library support for float128 is available, __MATH_TG uses
__builtin_types_compatible_p, which is not available in C++ mode.
On the other hand, libstdc++ undefines (in cmath) many macros from
math.h, including fpclassify, so that it can provide its own functions.
However, during its configure tests, libstdc++ just tests for the
availability of the macros (it does not undefine them, nor does it
provide its own functions).
Finally, when libstdc++ is configured with optimization for size
enabled, its configure tests include math.h and get the definition of
fpclassify that uses __MATH_TG (and __builtin_types_compatible_p).
Since libstdc++ does not undefine the macros during its configure tests,
they fail.
This patch lets fpclassify use the builtin in C++ mode, even when
optimization for size is on. This allows the configure test in
libstdc++ to work.
Tested for powerpc64le and x86_64.
[BZ #22146]
math/math.h: Let fpclassify use the builtin in C++ mode, even
when optimazing for size.
(cherry picked from commit c5c4a626098ec884b8527356abdf2a4bb7b6bf27)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
math/math.h | 8 +++++++-
3 files changed, 14 insertions(+), 1 deletions(-)
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From: "gabriel at inconstante dot eti.br" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22146] C++ build issue with float128 on x86_64
Date: Sat, 23 Sep 2017 01:03:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22146
--- Comment #15 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
Romain Naour,
I have applied the fix to the master branch, as well as I have backported it to
the stable branch for glibc 2.26. Could you test it in your setup in
buildroot, please?
Thank you.
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>From glibc-bugs-return-39032-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 23 08:30:58 2017
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From: "romain.naour at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22146] C++ build issue with float128 on x86_64
Date: Sat, 23 Sep 2017 08:30:00 -0000
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--- Comment #16 from romain.naour at gmail dot com ---
Hi Gabriel,
Thanks for the patch!
I tested it on x86_64 with glibc build with -Os and the C++ issue is gone.
Do you plan to release glibc 2.26.1 soon ?
It would help me to update to glibc 2.26.x in Buildroot since I need to
backport (at least) patches for bug 21930 and this one.
Best regards,
Romain
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>From glibc-bugs-return-39033-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 23 12:48:30 2017
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From: "dave.anglin at bell dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22165] [hppa] Text relocations in libc.so
Date: Sat, 23 Sep 2017 12:48:00 -0000
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--- Comment #1 from dave.anglin at bell dot net ---
On 2017-09-21, at 8:19 AM, jsm28 at gcc dot gnu.org wrote:
> On hppa-linux-gnu, elf/check-textrel fails because of text relocations in
> libc.so (this is one of the few obstructions to getting clean compilation test
> results everywhere with build-many-glibcs.py).
>
> The problem code appears to be in sysdeps/unix/sysv/linux/hppa/getcontext.S:
>
> ldil L%__getcontext_ret, %r1
> ldo R%__getcontext_ret(%r1), %r1
>
> which produces R_PARISC_DIR21L and R_PARISC_DIR14R text relocations. I'm not
> familiar with the architecture so don't know how this should be fixed.
I'm testing the attached change. The above code is not PIC.
Dave
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>From glibc-bugs-return-39034-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 23 13:06:53 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nss/22184] Memory leak(s) in getaddrinfo_a
Date: Sat, 23 Sep 2017 13:06:00 -0000
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--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Tim Rühsen from comment #3)
> (In reply to Carlos O'Donell from comment #1)
> > Are you able to try reproducing this with glibc master or 2.26? Both have
> > some cleanups in this area.
>
> Just checked with current master.
> CFLAGS="-O1 -g" ../configure --prefix=/usr/tim/src/glibc/myinstall
> --disable-werror
> make
> make install
> gcc -I../myinstall/include gai_leak.c -o gai_leak -L../myinstall/lib
> ../myinstall/lib/libanl.so ../myinstall/lib/libc.so
> ../myinstall/lib/libpthread.so
> valgrind ./gai_leak
>
> ...
> ==29332== in use at exit: 2,440 bytes in 5 blocks
> ==29332== total heap usage: 74 allocs, 69 frees, 104,809 bytes allocated
> ==29332==
> ==29332== LEAK SUMMARY:
> ==29332== definitely lost: 0 bytes in 0 blocks
> ==29332== indirectly lost: 0 bytes in 0 blocks
> ==29332== possibly lost: 272 bytes in 1 blocks
> ==29332== still reachable: 2,168 bytes in 4 blocks
> ...
You must use -rpath to build a binary that uses the new libraries, otherwise
this uses your system libraries.
Please see this document for steps on how to do that:
https://sourceware.org/glibc/wiki/Testing/Builds
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>From glibc-bugs-return-39035-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 23 22:45:39 2017
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From: "psmith at gnu dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug glob/22194] New: Building glob outside of glibc fails
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https://sourceware.org/bugzilla/show_bug.cgi?id=22194
Bug ID: 22194
Summary: Building glob outside of glibc fails
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: glob
Assignee: unassigned at sourceware dot org
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Target Milestone: ---
GNU make contains its own version of the glob library, which it compiles on
systems which do not support sufficiently competent glob implementations
(basically, any system without glibc).
The last time GNU make took a drop of the glibc glob implementation was in
1999.
I'm trying to integrate a new drop (based on the current Git master HEAD
2f49ce7d626) and am finding a number of problems when compiling glob without
the _LIBC option set:
There's a syntax error in alloca_account() in fnmatch.c:
diff --git a/glob/fnmatch.c b/glob/fnmatch.c
index 62df3ec..ae28b56 100644
--- a/glob/fnmatch.c
+++ b/glob/fnmatch.c
@@ -37,7 +37,7 @@
#ifdef _LIBC
# include <alloca.h>
#else
-# define alloca_account(size., var) alloca (size)
+# define alloca_account(size, var) alloca (size)
#endif
In glob.c, FLEXIBLE_ARRAY_MEMBER is only defined if _LIBC is defined:
diff --git a/glob/glob.c b/glob/glob.c
index c699177..f1faa05 100644
--- a/glob/glob.c
+++ b/glob/glob.c
@@ -68,6 +68,7 @@
# endif
# define __readdir readdir
# define COMPILE_GLOB64
+# define FLEXIBLE_ARRAY_MEMBER 1
#endif /* _LIBC */
#include <fnmatch.h>
Beyond that, in order to build an external glob library I now need these files:
- fnmatch.c
- fnmatch.h
- glob.c
- glob.h
- glob_internal.h
- flexmember.h
- scratch_buffer.h
In scratch_buffer.h, libc_hidden_proto() is used but is nowhere defined.
In glob.c, __THROWNL is used but nowhere defined.
In glob.c, attribute_hidden is used but nowhere defined.
In glob.c, mempcpy() is used extensively which is not declared/available unless
_GNU_SOURCE is set.
In both glob.c and fnmatch.c, __set_errno() is used but nowhere defined.
After hacking around these issues I can build a version of glob and link it
with GNU make and it works, with GCC on GNU/Linux with glibc also installed.
Note I have not yet tried on other systems such as Windows, VMS, etc. and with
other compilers.
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Subject: [Bug nss/22184] Memory leak(s) in getaddrinfo_a
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
I think this is just a race condition involving the getaddrinfo_a helper
threads. The process terminates when they are still around, so valgrind
reports the memory allocated for them.
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Subject: [Bug glob/22194] Building glob outside of glibc fails
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What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
You should take glob from gnulib, which should contain sources tweaked for
inclusion from other programs.
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>From glibc-bugs-return-39038-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 25 09:59:10 2017
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Subject: [Bug glob/22183] commit 5554304f0ddd ("posix: Allow glob to match dangling symlinks") cause "make" segfaults
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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>From glibc-bugs-return-39039-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 25 10:03:10 2017
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Subject: [Bug dynamic-link/22101] Dynamic loader must ignore "debug" shared objects e.g. ET_GNU_DEBUG_*
Date: Mon, 25 Sep 2017 10:03:00 -0000
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--- Comment #6 from Andreas Schwab <schwab@linux-m68k.org> ---
> Does it means that dlopen is authorized to crash (SIGSEGV)?
Yes, because you allow it to run arbitrary code.
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From: "tim.ruehsen at gmx dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nss/22184] Memory leak(s) in getaddrinfo_a
Date: Mon, 25 Sep 2017 10:24:00 -0000
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--- Comment #6 from Tim Rühsen <tim.ruehsen at gmx dot de> ---
(In reply to Carlos O'Donell from comment #4)
> You must use -rpath to build a binary that uses the new libraries, otherwise
> this uses your system libraries.
>
> Please see this document for steps on how to do that:
> https://sourceware.org/glibc/wiki/Testing/Builds
Ok, looks now like
$ ldd gai_leak
linux-vdso.so.1 (0x00007ffd743a2000)
libanl.so.1 => /usr/tim/src/glibc/mybuild//resolv/libanl.so.1
(0x00007f93fddd3000)
libpthread.so.0 => /usr/tim/src/glibc/mybuild//nptl/libpthread.so.0
(0x00007f93fdbb5000)
libc.so.6 => /usr/tim/src/glibc/mybuild/libc.so.6 (0x00007f93fd812000)
/usr/tim/src/glibc/mybuild//elf/ld.so => /lib64/ld-linux-x86-64.so.2
(0x00007f93fe1da000)
but can't get valgrind working (what tool do you use ?).
$ gcc -g
-Wl,-rpath=${GLIBC}:${GLIBC}/math:${GLIBC}/elf:${GLIBC}/dlfcn:${GLIBC}/nss:${GLIBC}/nis:${GLIBC}/rt:${GLIBC}/resolv:${GLIBC}/crypt:${GLIBC}/nptl:${GLIBC}/dfp
-Wl,--dynamic-linker=${GLIBC}/elf/ld.so gai_leak.c -o gai_leak -lanl
-lpthread
$ valgrind ./gai_leak
...
valgrind: Fatal error at startup: a function redirection
valgrind: which is mandatory for this platform-tool combination
valgrind: cannot be set up. Details of the redirection are:
valgrind:
valgrind: A must-be-redirected function
valgrind: whose name matches the pattern: strlen
valgrind: in an object with soname matching: ld-linux-x86-64.so.2
valgrind: was not found whilst processing
valgrind: symbols from the object with soname: ld-linux-x86-64.so.2
valgrind:
valgrind: Possible fixes: (1, short term): install glibc's debuginfo
valgrind: package on this machine. (2, longer term): ask the packagers
valgrind: for your Linux distribution to please in future ship a non-
valgrind: stripped ld.so (or whatever the dynamic linker .so is called)
valgrind: that exports the above-named function using the standard
valgrind: calling conventions for this platform. The package you need
valgrind: to install for fix (1) is called
valgrind:
valgrind: On Debian, Ubuntu: libc6-dbg
valgrind: On SuSE, openSuSE, Fedora, RHEL: glibc-debuginfo
valgrind:
valgrind: Note that if you are debugging a 32 bit process on a
valgrind: 64 bit system, you will need a corresponding 32 bit debuginfo
valgrind: package (e.g. libc6-dbg:i386).
valgrind:
valgrind: Cannot continue -- exiting now. Sorry.
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>From glibc-bugs-return-39041-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 25 11:01:59 2017
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Subject: [Bug nss/22184] Memory leak(s) in getaddrinfo_a
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--- Comment #7 from Andreas Schwab <schwab@linux-m68k.org> ---
This works for me, giving the following result:
==32477== Memcheck, a memory error detector
==32477== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==32477== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==32477== Command: ./gai_leak
==32477==
resolving example.com:80...
freeaddrinfo 0x560c7b0
==32477==
==32477== HEAP SUMMARY:
==32477== in use at exit: 2,384 bytes in 3 blocks
==32477== total heap usage: 14 allocs, 11 frees, 10,166 bytes allocated
==32477==
==32477== 272 bytes in 1 blocks are possibly lost in loss record 2 of 3
==32477== at 0x4C30250: calloc (vg_replace_malloc.c:711)
==32477== by 0x4011AD1: allocate_dtv (dl-tls.c:286)
==32477== by 0x401244D: _dl_allocate_tls (dl-tls.c:530)
==32477== by 0x50462C3: allocate_stack (allocatestack.c:623)
==32477== by 0x50462C3: pthread_create@@GLIBC_2.2.5 (pthread_create.c:644)
==32477== by 0x4E3B46A: __gai_create_helper_thread (gai_misc.h:113)
==32477== by 0x4E3B46A: __gai_enqueue_request (gai_misc.c:253)
==32477== by 0x4E3BB84: getaddrinfo_a (getaddrinfo_a.c:67)
==32477== by 0x400829: main (gai_leak.c:34)
==32477==
==32477== LEAK SUMMARY:
==32477== definitely lost: 0 bytes in 0 blocks
==32477== indirectly lost: 0 bytes in 0 blocks
==32477== possibly lost: 272 bytes in 1 blocks
==32477== still reachable: 2,112 bytes in 2 blocks
==32477== suppressed: 0 bytes in 0 blocks
==32477== Reachable blocks (those to which a pointer was found) are not shown.
==32477== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==32477==
==32477== For counts of detected and suppressed errors, rerun with: -v
==32477== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)
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>From glibc-bugs-return-39042-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 25 12:45:55 2017
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Subject: [Bug math/22146] C++ build issue with float128 on x86_64
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Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |siddhesh at sourceware dot org
--- Comment #17 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
(In reply to romain.naour from comment #16)
>
> Do you plan to release glibc 2.26.1 soon ?
> It would help me to update to glibc 2.26.x in Buildroot since I need to
> backport (at least) patches for bug 21930 and this one.
Each branch in glibc is maintained by a release manager [1] (for glibc 2.26,
that would be Siddhesh (now in CC)). We could ask him what are the plans for
further tagging, if any.
Romain, let me ask you this in advance... In Buildroot, can you fetch the
components from a particular revision in their VCS, meaning you could fetch
glibc from a commit ID that contains this backport (i.e.: commit ID
d37c951fde57 or newer)?
[1] https://sourceware.org/glibc/wiki/Release#General_policy (not written in
stone, but provides some insight into the branch/tag policies)
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>From glibc-bugs-return-39043-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 25 13:18:47 2017
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Subject: [Bug math/22146] C++ build issue with float128 on x86_64
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--- Comment #18 from Siddhesh Poyarekar <siddhesh at sourceware dot org> ---
No plans for a 2.26.1 release, but you're free to backport to the 2.26 branch
and then merge into whatever distribution you're using.
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>From glibc-bugs-return-39044-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Sep 25 15:33:44 2017
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Subject: [Bug dynamic-link/22101] Dynamic loader must ignore "debug" shared objects e.g. ET_GNU_DEBUG_*
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--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to José Bollo from comment #2)
> Does it means that dlopen is authorized to crash (SIGSEGV)?
>
> I don't share your opinion.
(In reply to Andreas Schwab from comment #6)
> > Does it means that dlopen is authorized to crash (SIGSEGV)?
>
> Yes, because you allow it to run arbitrary code.
As Andreas states, the answer is "Yes", but within reason.
The context of the various ways in which we check errors or don't (and crash)
is covered under the project "Style and Conventions" on error handling:
https://sourceware.org/glibc/wiki/Style_and_Conventions#Error_Handling
Having the loader check all possible errors would make it slow in the normal
case, and the normal case is that ELF binaries are well formed.
There is a double problem here:
ldd is the loader itself running in trace mode, and that has problems.
I have started an eu-ldd project that is robust against such failures and that
would make ldd more robust in detecting debug info vs. real binaries, however
this change would still be welcome in that case as a quick way to determine
which files are what.
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Yann E. MORIN <yann.morin.1998 at free dot fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |yann.morin.1998 at free dot fr
--- Comment #19 from Yann E. MORIN <yann.morin.1998 at free dot fr> ---
Gabriel,
(In reply to Gabriel F. T. Gomes from comment #17)
> (In reply to romain.naour from comment #16)
> > Do you plan to release glibc 2.26.1 soon ?
> > It would help me to update to glibc 2.26.x in Buildroot since I need to
> > backport (at least) patches for bug 21930 and this one.
> Romain, let me ask you this in advance... In Buildroot, can you fetch the
> components from a particular revision in their VCS, meaning you could fetch
> glibc from a commit ID that contains this backport (i.e.: commit ID
> d37c951fde57 or newer)?
Yes, we could technically use a sha1 (or a tag) from the glibc git tree.
However, using "2.26.1" is much more descriptive than "1d4f239a7b34cf12"
(totally made up sha1).
Also, a release tarball is a strong indication that the content has somehow
been sanctioned by upstream, much more than a random sha1 from the git tree.
Regards,
Yann E. MORIN.
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Subject: [Bug libc/22207] New: FAIL: stdlib/test-atexit-race
Date: Mon, 25 Sep 2017 22:51:00 -0000
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Bug ID: 22207
Summary: FAIL: stdlib/test-atexit-race
Product: glibc
Version: 2.27
Status: NEW
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Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com, ppluzhnikov at google dot com
Target Milestone: ---
On i686, I got
FAIL: stdlib/test-atexit-race
FAIL: stdlib/test-on_exit-race
[hjl@gnu-efi-2 build-i686-linux]$ ./stdlib/test-atexit-race
error: xpthread_check_return.c:32: pthread_create: Resource temporarily
unavailable
error: 1 test failures
[hjl@gnu-efi-2 build-i686-linux]$ ./stdlib/test-on_exit-race
error: xpthread_check_return.c:32: pthread_create: Resource temporarily
unavailable
error: 1 test failures
[hjl@gnu-efi-2 build-i686-linux]$
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Subject: [Bug nscd/22161] nscd cache prune for netgroups hangs after timeout bump
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commit 3de93d194a5d27cabfe40ddf58aea36939498ba4
Author: DJ Delorie <dj@redhat.com>
Date: Mon Sep 25 19:43:09 2017 -0400
nscd: Release read lock after resetting timeout.
[BZ #22161]
* nscd/netgroupcache.c (addinnetgrX): Release read lock after
resetting timeout.
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Andreas Schwab <schwab@suse.de>
A lock is held by mempool_allocate() when CACHEABLE is true; we
must release this lock if we exit early.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
nscd/netgroupcache.c | 2 ++
2 files changed, 8 insertions(+), 0 deletions(-)
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dj at redhat dot com <dj at redhat dot com> changed:
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--- Comment #2 from dj at redhat dot com <dj at redhat dot com> ---
Fix pushed to master.
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Paul Pluzhnikov <ppluzhnikov at google dot com> changed:
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commit 8f8349870fbcd822b0bdbd3200bc0245f812dae4
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Mon Sep 25 17:51:34 2017 -0700
Reduce total memory required to create all threads to 128MiB. This fixes
intermittent failure in stdlib/test-{atexit,at_quick_exit,...} tests
(Bug 22207).
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
stdlib/test-atexit-race-common.c | 5 +++++
2 files changed, 11 insertions(+), 0 deletions(-)
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--- Comment #2 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Fixed.
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Subject: [Bug glob/22183] commit 5554304f0ddd ("posix: Allow glob to match dangling symlinks") cause "make" segfaults
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commit 5f9f31ad129d97e6fc548954c9b97e27dd332600
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 18 09:26:00 2017 -0300
scratch_buffer: use union for internal buffer
Problem reported by Florian Weimer [1] and solution suggested by
Andreas Schwab [2]. It also set the same buffer size independent
of architecture max_align_t size.
Checked on x86_64-linux-gnu and i686-linux-gnu.
* lib/malloc/scratch_buffer.h (struct scratch_buffer):
Use an union instead of a max_align_t array for __space,
so that __space is the same size on all platforms.
* malloc/scratch_buffer_grow_preserve.c
(__libc_scratch_buffer_grow_preserve): Likewise.
[1] https://sourceware.org/ml/libc-alpha/2017-09/msg00693.html
[2] https://sourceware.org/ml/libc-alpha/2017-09/msg00695.html
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ccf970c7a77e86f4f5ef8ecc5e637114b1c0136a
commit ccf970c7a77e86f4f5ef8ecc5e637114b1c0136a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Sep 15 11:31:13 2017 -0300
posix: Add compat glob symbol to not follow dangling symbols
This patch follows commit 5554304f0 (posix: Allow glob to match dangling
symlinks [BZ #866]) by adding a compat symbol that follow previous
semantic of not following dangling symlinks and thus avoiding call
gl_lstat with GLOB_ALTDIRFUNC.
It avoids failure with old binaries that not set the alternate function
pointer for lstat (GNUmake for instance). The following scenario, for
instance, fails with current GNUmake because glibc will access unitialized
memory when calling gl_lstat:
$ cat src/t/t.c
int main ()
{
return 0;
}
$ cat Makefile
SRC = $(wildcard src/*/t.c)
OBJ = $(patsubst src/%.c, obj/%.o, $(SRC))
prog: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) $(LIBS) $(OBJ) -o prog
obj/%.o: src/%.c
$(CC) $(CFLAGS) -c $< -o $@
$ make
This works as expected with the patch applied. Since it is for generic
ABI, default compat symbols are added with override for Linux due LFS.
Now we have two compat symbols for glob on Linux:
1. sysdeps/unix/sysv/linux/oldglob.c which implements glob64 with
the old dirent layout. For this implementation I also set it to
not follow dangling symlinks (which is the safest path).
2. sysdeps/unix/sysv/linux/glob{64}-lstat-compat.c which implements
the compat symbol for dangling symlinks. As for generic glob,
the implementation uses XSTAT_IS_XSTAT64 to define whether
both __glob_lstat_compat and __glob64_lstat_compat should be
different implementations. For archictures that define
XSTAT_IS_XSTAT64, __glob_lstat_compat is aliased to
__glob64_lstat_compat.
3. sysdeps/unix/sysv/linux/alpha/oldglob.c with a different glob_t
layout. As for 1. this patch changes it to not follow dangling
symlinks.
The patch also bumps _GNU_GLOB_INTERFACE_VERSION to 2 to advertise the
new semantic. On GNUmake, for instance, it will force to it use its
internal glob implementation instead and avoiding triggering the same
failure on builds against newer GLIBCs.
Checked on x86_64-linux-gnu and i686-linux-gnu. I also checked
with a build against the major ABIs required to check for the abilist.
The changes should also work on gnulib (I run gnulib-tool.py check glob
and it shown no regressions).
[BZ #22183]
* include/gnu-versions.h (_GNU_GLOB_INTERFACE_VERSION): Increase
version to 2.
* posix/Makefile (routines): Add glob-lstat-compat and
glob64-lstat-compat.
* posix/Versions (GLIBC_2.27, glob, glob64): Add symbol version.
* posix/glob-lstat-compat.c: New file.
* posix/glob64-lstat-compat.c: Likewise.
* posix/tst-glob_lstat_compat.c: Likewise.
* sysdeps/unix/sysv/linux/glob-lstat-compat.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/glob-lstat-compat.c: Likewise.
* sysdeps/unix/sysv/linux/glob64-lstat-compat.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/glob.c: Remove file.
* posix/glob.c (glob_lstat): New function.
(glob): Rename to __glob and add versioned symbol to 2.27.
(glob_in_dir): Use glob_lstat.
* posix/glob64.c (glob64): Add GLOB_ATTRIBUTE.
* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/glob.c (glob): Add versioned symbol for
2.27.
* sysdeps/unix/sysv/linux/glob64.c (glob64): Likewise.
* sysdeps/unix/sysv/linux/oldglob.c (GLOB_NO_LSTAT): Define.
* sysdeps/unix/sysv/linux/alpha/oldglob.c (__old_glob): Do not use
gl_lstat on glob call.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Add GLIBC_2.27 glob
and glob64 symbols.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 64 +++++
include/gnu-versions.h | 2 +-
include/scratch_buffer.h | 6 +-
malloc/scratch_buffer_grow_preserve.c | 4 +-
malloc/tst-scratch_buffer.c | 2 +-
posix/Makefile | 4 +-
posix/Versions | 3 +
posix/glob-lstat-compat.c | 36 +++
posix/glob.c | 67 ++++--
posix/glob64-lstat-compat.c | 36 +++
posix/glob64.c | 5 +
posix/tst-glob_lstat_compat.c | 263 ++++++++++++++++++++
sysdeps/unix/sysv/linux/aarch64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/alpha/glob-lstat-compat.c | 2 +
sysdeps/unix/sysv/linux/alpha/glob.c | 47 ----
sysdeps/unix/sysv/linux/alpha/libc.abilist | 3 +
sysdeps/unix/sysv/linux/alpha/oldglob.c | 6 +-
sysdeps/unix/sysv/linux/arm/libc.abilist | 3 +
sysdeps/unix/sysv/linux/glob-lstat-compat.c | 47 ++++
sysdeps/unix/sysv/linux/glob.c | 5 +-
sysdeps/unix/sysv/linux/glob64-lstat-compat.c | 56 ++++
sysdeps/unix/sysv/linux/glob64.c | 7 +-
sysdeps/unix/sysv/linux/hppa/libc.abilist | 3 +
sysdeps/unix/sysv/linux/i386/libc.abilist | 3 +
sysdeps/unix/sysv/linux/ia64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist | 3 +
sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 3 +
sysdeps/unix/sysv/linux/microblaze/libc.abilist | 3 +
.../unix/sysv/linux/mips/mips32/fpu/libc.abilist | 3 +
.../unix/sysv/linux/mips/mips32/nofpu/libc.abilist | 3 +
.../unix/sysv/linux/mips/mips64/n32/libc.abilist | 3 +
.../unix/sysv/linux/mips/mips64/n64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/nios2/libc.abilist | 3 +
sysdeps/unix/sysv/linux/oldglob.c | 5 +-
.../sysv/linux/powerpc/powerpc32/fpu/libc.abilist | 3 +
.../linux/powerpc/powerpc32/nofpu/libc.abilist | 3 +
.../sysv/linux/powerpc/powerpc64/libc-le.abilist | 3 +
.../unix/sysv/linux/powerpc/powerpc64/libc.abilist | 3 +
.../sysv/linux/s390/s390-32/glob64-lstat-compat.c | 2 +
sysdeps/unix/sysv/linux/s390/s390-32/glob64.c | 2 -
sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist | 3 +
sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/sh/libc.abilist | 3 +
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist | 3 +
sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist | 3 +
.../sysv/linux/tile/tilegx/tilegx32/libc.abilist | 3 +
.../sysv/linux/tile/tilegx/tilegx64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist | 3 +
sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 3 +
50 files changed, 666 insertions(+), 89 deletions(-)
create mode 100644 posix/glob-lstat-compat.c
create mode 100644 posix/glob64-lstat-compat.c
create mode 100644 posix/tst-glob_lstat_compat.c
create mode 100644 sysdeps/unix/sysv/linux/alpha/glob-lstat-compat.c
delete mode 100644 sysdeps/unix/sysv/linux/alpha/glob.c
create mode 100644 sysdeps/unix/sysv/linux/glob-lstat-compat.c
create mode 100644 sysdeps/unix/sysv/linux/glob64-lstat-compat.c
create mode 100644 sysdeps/unix/sysv/linux/s390/s390-32/glob64-lstat-compat.c
delete mode 100644 sysdeps/unix/sysv/linux/s390/s390-32/glob64.c
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Subject: [Bug glob/22183] commit 5554304f0ddd ("posix: Allow glob to match dangling symlinks") cause "make" segfaults
Date: Tue, 26 Sep 2017 01:05:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed by ccf970c7a77e86f4f5ef8ecc5e637114b1c0136a.
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Subject: [Bug glob/866] glob should match dangling symlinks
Date: Tue, 26 Sep 2017 01:05:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=866
--- Comment #11 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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via ccf970c7a77e86f4f5ef8ecc5e637114b1c0136a (commit)
from b4396163aa8666f970aaf43eaca25f3a92b18c1b (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5f9f31ad129d97e6fc548954c9b97e27dd332600
commit 5f9f31ad129d97e6fc548954c9b97e27dd332600
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 18 09:26:00 2017 -0300
scratch_buffer: use union for internal buffer
Problem reported by Florian Weimer [1] and solution suggested by
Andreas Schwab [2]. It also set the same buffer size independent
of architecture max_align_t size.
Checked on x86_64-linux-gnu and i686-linux-gnu.
* lib/malloc/scratch_buffer.h (struct scratch_buffer):
Use an union instead of a max_align_t array for __space,
so that __space is the same size on all platforms.
* malloc/scratch_buffer_grow_preserve.c
(__libc_scratch_buffer_grow_preserve): Likewise.
[1] https://sourceware.org/ml/libc-alpha/2017-09/msg00693.html
[2] https://sourceware.org/ml/libc-alpha/2017-09/msg00695.html
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ccf970c7a77e86f4f5ef8ecc5e637114b1c0136a
commit ccf970c7a77e86f4f5ef8ecc5e637114b1c0136a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Sep 15 11:31:13 2017 -0300
posix: Add compat glob symbol to not follow dangling symbols
This patch follows commit 5554304f0 (posix: Allow glob to match dangling
symlinks [BZ #866]) by adding a compat symbol that follow previous
semantic of not following dangling symlinks and thus avoiding call
gl_lstat with GLOB_ALTDIRFUNC.
It avoids failure with old binaries that not set the alternate function
pointer for lstat (GNUmake for instance). The following scenario, for
instance, fails with current GNUmake because glibc will access unitialized
memory when calling gl_lstat:
$ cat src/t/t.c
int main ()
{
return 0;
}
$ cat Makefile
SRC = $(wildcard src/*/t.c)
OBJ = $(patsubst src/%.c, obj/%.o, $(SRC))
prog: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) $(LIBS) $(OBJ) -o prog
obj/%.o: src/%.c
$(CC) $(CFLAGS) -c $< -o $@
$ make
This works as expected with the patch applied. Since it is for generic
ABI, default compat symbols are added with override for Linux due LFS.
Now we have two compat symbols for glob on Linux:
1. sysdeps/unix/sysv/linux/oldglob.c which implements glob64 with
the old dirent layout. For this implementation I also set it to
not follow dangling symlinks (which is the safest path).
2. sysdeps/unix/sysv/linux/glob{64}-lstat-compat.c which implements
the compat symbol for dangling symlinks. As for generic glob,
the implementation uses XSTAT_IS_XSTAT64 to define whether
both __glob_lstat_compat and __glob64_lstat_compat should be
different implementations. For archictures that define
XSTAT_IS_XSTAT64, __glob_lstat_compat is aliased to
__glob64_lstat_compat.
3. sysdeps/unix/sysv/linux/alpha/oldglob.c with a different glob_t
layout. As for 1. this patch changes it to not follow dangling
symlinks.
The patch also bumps _GNU_GLOB_INTERFACE_VERSION to 2 to advertise the
new semantic. On GNUmake, for instance, it will force to it use its
internal glob implementation instead and avoiding triggering the same
failure on builds against newer GLIBCs.
Checked on x86_64-linux-gnu and i686-linux-gnu. I also checked
with a build against the major ABIs required to check for the abilist.
The changes should also work on gnulib (I run gnulib-tool.py check glob
and it shown no regressions).
[BZ #22183]
* include/gnu-versions.h (_GNU_GLOB_INTERFACE_VERSION): Increase
version to 2.
* posix/Makefile (routines): Add glob-lstat-compat and
glob64-lstat-compat.
* posix/Versions (GLIBC_2.27, glob, glob64): Add symbol version.
* posix/glob-lstat-compat.c: New file.
* posix/glob64-lstat-compat.c: Likewise.
* posix/tst-glob_lstat_compat.c: Likewise.
* sysdeps/unix/sysv/linux/glob-lstat-compat.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/glob-lstat-compat.c: Likewise.
* sysdeps/unix/sysv/linux/glob64-lstat-compat.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/glob.c: Remove file.
* posix/glob.c (glob_lstat): New function.
(glob): Rename to __glob and add versioned symbol to 2.27.
(glob_in_dir): Use glob_lstat.
* posix/glob64.c (glob64): Add GLOB_ATTRIBUTE.
* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/glob.c (glob): Add versioned symbol for
2.27.
* sysdeps/unix/sysv/linux/glob64.c (glob64): Likewise.
* sysdeps/unix/sysv/linux/oldglob.c (GLOB_NO_LSTAT): Define.
* sysdeps/unix/sysv/linux/alpha/oldglob.c (__old_glob): Do not use
gl_lstat on glob call.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Add GLIBC_2.27 glob
and glob64 symbols.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 64 +++++
include/gnu-versions.h | 2 +-
include/scratch_buffer.h | 6 +-
malloc/scratch_buffer_grow_preserve.c | 4 +-
malloc/tst-scratch_buffer.c | 2 +-
posix/Makefile | 4 +-
posix/Versions | 3 +
posix/glob-lstat-compat.c | 36 +++
posix/glob.c | 67 ++++--
posix/glob64-lstat-compat.c | 36 +++
posix/glob64.c | 5 +
posix/tst-glob_lstat_compat.c | 263 ++++++++++++++++++++
sysdeps/unix/sysv/linux/aarch64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/alpha/glob-lstat-compat.c | 2 +
sysdeps/unix/sysv/linux/alpha/glob.c | 47 ----
sysdeps/unix/sysv/linux/alpha/libc.abilist | 3 +
sysdeps/unix/sysv/linux/alpha/oldglob.c | 6 +-
sysdeps/unix/sysv/linux/arm/libc.abilist | 3 +
sysdeps/unix/sysv/linux/glob-lstat-compat.c | 47 ++++
sysdeps/unix/sysv/linux/glob.c | 5 +-
sysdeps/unix/sysv/linux/glob64-lstat-compat.c | 56 ++++
sysdeps/unix/sysv/linux/glob64.c | 7 +-
sysdeps/unix/sysv/linux/hppa/libc.abilist | 3 +
sysdeps/unix/sysv/linux/i386/libc.abilist | 3 +
sysdeps/unix/sysv/linux/ia64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist | 3 +
sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 3 +
sysdeps/unix/sysv/linux/microblaze/libc.abilist | 3 +
.../unix/sysv/linux/mips/mips32/fpu/libc.abilist | 3 +
.../unix/sysv/linux/mips/mips32/nofpu/libc.abilist | 3 +
.../unix/sysv/linux/mips/mips64/n32/libc.abilist | 3 +
.../unix/sysv/linux/mips/mips64/n64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/nios2/libc.abilist | 3 +
sysdeps/unix/sysv/linux/oldglob.c | 5 +-
.../sysv/linux/powerpc/powerpc32/fpu/libc.abilist | 3 +
.../linux/powerpc/powerpc32/nofpu/libc.abilist | 3 +
.../sysv/linux/powerpc/powerpc64/libc-le.abilist | 3 +
.../unix/sysv/linux/powerpc/powerpc64/libc.abilist | 3 +
.../sysv/linux/s390/s390-32/glob64-lstat-compat.c | 2 +
sysdeps/unix/sysv/linux/s390/s390-32/glob64.c | 2 -
sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist | 3 +
sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/sh/libc.abilist | 3 +
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist | 3 +
sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist | 3 +
.../sysv/linux/tile/tilegx/tilegx32/libc.abilist | 3 +
.../sysv/linux/tile/tilegx/tilegx64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist | 3 +
sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 3 +
sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 3 +
50 files changed, 666 insertions(+), 89 deletions(-)
create mode 100644 posix/glob-lstat-compat.c
create mode 100644 posix/glob64-lstat-compat.c
create mode 100644 posix/tst-glob_lstat_compat.c
create mode 100644 sysdeps/unix/sysv/linux/alpha/glob-lstat-compat.c
delete mode 100644 sysdeps/unix/sysv/linux/alpha/glob.c
create mode 100644 sysdeps/unix/sysv/linux/glob-lstat-compat.c
create mode 100644 sysdeps/unix/sysv/linux/glob64-lstat-compat.c
create mode 100644 sysdeps/unix/sysv/linux/s390/s390-32/glob64-lstat-compat.c
delete mode 100644 sysdeps/unix/sysv/linux/s390/s390-32/glob64.c
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Subject: [Bug libc/22207] FAIL: stdlib/test-atexit-race
Date: Tue, 26 Sep 2017 01:14:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed.
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Subject: [Bug libc/22156] [hppa,ia64,microblaze] Executable stack default
Date: Tue, 26 Sep 2017 16:31:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=12ef66c411efe5910f0a9a74c92480db7e12eae0
commit 12ef66c411efe5910f0a9a74c92480db7e12eae0
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Sep 26 16:30:46 2017 +0000
Fix ia64 executable stack default (bug 22156).
As per https://gcc.gnu.org/ml/gcc-patches/2017-09/msg01220.html ia64
defaults to non-executable stacks in the Linux kernel (furthermore,
the use of function descriptors means that trampolines for nested
function pointers never need an executable stack). glibc however
defines DEFAULT_STACK_PERMS to include PF_X for that architecture,
meaning (a) elf/check-execstack fails and (b) (from code inspection,
not tested, but this is why I think this is a user-visible bug) thread
stacks are unnecessarily mapped with execute permission. This patch
fixes the DEFAULT_STACK_PERMS definition in question.
Tested (compilation only) with build-many-glibcs.py for ia64. This
fixes the check-execstack failure.
[BZ #22156]
* sysdeps/ia64/stackinfo.h (DEFAULT_STACK_PERMS): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/ia64/stackinfo.h | 5 ++---
2 files changed, 7 insertions(+), 3 deletions(-)
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Subject: [Bug libc/22156] [hppa,ia64,microblaze] Executable stack default
Date: Tue, 26 Sep 2017 16:37:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for ia64 for 2.27. For the other architectures we concluded that glibc's
definition matches the kernel, and GCC has been fixed in r253204 (for GCC 8) to
output the required GNU-stack markers so most programs do not get executable
stacks.
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>From glibc-bugs-return-39058-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 26 20:51:14 2017
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Subject: [Bug dynamic-link/22101] Dynamic loader must ignore "debug" shared objects e.g. ET_GNU_DEBUG_*
Date: Tue, 26 Sep 2017 20:51:00 -0000
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=592d5c75392e1da170050a4999af0618c4865aed
commit 592d5c75392e1da170050a4999af0618c4865aed
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Sep 26 13:49:48 2017 -0700
Skip PT_DYNAMIC segment with p_filesz == 0 [BZ #22101]
ELF objects generated with "objcopy --only-keep-debug" have
Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
DYNAMIC 0x0+e28 0x0+200e40 0x0+200e40 0x0+ 0x0+1a0 RW 0x8
with 0 file size. ld.so should skip such PT_DYNAMIC segments.
Without a PT_DYNAMIC segment the loading of the shared object will
fail, and therefore ldd on such objects will also fail instead of
crashing. This provides better diagnostics for tooling that is
attempting to inspect the invalid shared objects which may just
contain debug information.
[BZ #22101]
* elf/Makefile (tests): Add tst-debug1.
($(objpfx)tst-debug1): New.
($(objpfx)tst-debug1.out): Likewise.
($(objpfx)tst-debug1mod1.so): Likewise.
* elf/dl-load.c (_dl_map_object_from_fd): Skip PT_DYNAMIC segment
with p_filesz == 0.
* elf/tst-debug1.c: New file.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +++++++++++
elf/Makefile | 9 ++++++++-
elf/dl-load.c | 10 ++++++++--
elf/{tst-audit11.c => tst-debug1.c} | 13 ++++++-------
4 files changed, 33 insertions(+), 10 deletions(-)
copy elf/{tst-audit11.c => tst-debug1.c} (75%)
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Subject: [Bug dynamic-link/22101] Dynamic loader must ignore "debug" shared objects e.g. ET_GNU_DEBUG_*
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----------------------------------------------------------------------------
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--- Comment #9 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.27.
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From: "romain.naour at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22146] C++ build issue with float128 on x86_64
Date: Tue, 26 Sep 2017 20:55:00 -0000
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--- Comment #20 from romain.naour at gmail dot com ---
(In reply to Siddhesh Poyarekar from comment #18)
> No plans for a 2.26.1 release, but you're free to backport to the 2.26
> branch and then merge into whatever distribution you're using.
I do fully agree with Yann's comment.
Bugs 21930 and 22146 impact one of the major architecture (x86_64) for C++
programs (ex: mesa). Releasing glibc 2.26.1 would allow other packagers (usual
Linux distrib, Yocto, Buildroot...) to sync with it and benefit from all
corrections.
Best regards,
Romain
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From: "siddhesh at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22146] C++ build issue with float128 on x86_64
Date: Tue, 26 Sep 2017 21:11:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22146
--- Comment #21 from Siddhesh Poyarekar <siddhesh at sourceware dot org> ---
Most distributions I have worked with (Fedora, Debian, Ubuntu) prefer to
backport specific patches that interest them rather than rebasing to upstream
tarballs mid-release or as updates. This is because it gives them much finer
control for maintenance from the distro viewpoint; it is easier to back off one
patch and test instead of using a different tarball.
So distribution use is not a sufficient case for a point release because they
have never really asked for it in the past. I'm open to other reasons or
suggestions or even opening up a debate on whether it makes sense to have point
releases (and if distributions are actually going to use it) but bugzilla is
not the place to discuss it. Please start a discussion on the libc-alpha
mailing list.
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>From glibc-bugs-return-39062-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Sep 26 23:55:09 2017
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Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Tue, 26 Sep 2017 23:55:00 -0000
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--- Comment #66 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 825adeeed1e95990fd1efb70d9ac3eb7f1ea802a (commit)
from bfb0deb3554204cbba10d61d96cad355e4ca5623 (commit)
Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=825adeeed1e95990fd1efb70d9ac3eb7f1ea802a
commit 825adeeed1e95990fd1efb70d9ac3eb7f1ea802a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Sep 26 16:53:25 2017 -0700
Mark __dso_handle as hidden [BZ #18822]
Since __dso_handle is always defined by either crtbegin.o from GCC or
dso_handle.c, it should be marked as hidden and be passed directly.
[BZ #18822]
* dlfcn/modatexit.c (foo): Remove __dso_handle check.
* dlfcn/modcxaatexit.c: Include <dso_handle.h>.
(__dso_handle): Remove declaration.
* dlfcn/tstatexit.c (__dso_handle): Removed.
(main): Don't check __dso_handle.
* dlfcn/tstcxaatexit.c (__dso_handle): Removed.
(main): Don't check __dso_handle.
* include/dso_handle.h: New file.
* malloc/mtrace.c: Include <dso_handle.h>.
(mtrace): Pass __dso_handle directly.
* nptl/pthread_atfork.c: Include <dso_handle.h>.
(__dso_handle): Remove declaration.
(__pthread_atfork): Pass __dso_handle directly.
* nptl/tst-atfork2mod.c: Include <dso_handle.h>.
(__dso_handle): Removed.
* posix/wordexp-test.c: Include <dso_handle.h>.
(__dso_handle): Remove declaration.
(__app_register_atfork): Pass __dso_handle directly.
* stdlib/at_quick_exit.c: Include <dso_handle.h>.
(__dso_handle): Remove declaration.
(at_quick_exit): Pass __dso_handle directly.
* stdlib/atexit.c: Include <dso_handle.h>.
(__dso_handle): Remove declaration.
(atexit): Pass __dso_handle directly.
* stdlib/tst-tls-atexit-lib.c: Include <dso_handle.h>.
(__dso_handle): Removed.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 30 ++++++++++++++++++++++++++++++
dlfcn/modatexit.c | 2 --
dlfcn/modcxaatexit.c | 2 +-
dlfcn/tstatexit.c | 8 --------
dlfcn/tstcxaatexit.c | 8 --------
include/dso_handle.h | 3 +++
malloc/mtrace.c | 4 ++--
nptl/pthread_atfork.c | 8 ++------
nptl/tst-atfork2mod.c | 2 +-
posix/wordexp-test.c | 5 ++---
stdlib/at_quick_exit.c | 8 ++------
stdlib/atexit.c | 9 ++-------
stdlib/tst-tls-atexit-lib.c | 3 +--
13 files changed, 46 insertions(+), 46 deletions(-)
create mode 100644 include/dso_handle.h
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>From glibc-bugs-return-39063-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 27 04:17:41 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug malloc/22111] malloc: per thread cache is not returned when thread exits
Date: Wed, 27 Sep 2017 04:17:00 -0000
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #4)
> (In reply to Hal Gentz from comment #3)
> > Sorry, the referenced issues gave exactly so I thought that was it.
> >
> > Anyways, I've compiled glibc with those two lines changed and its fixed, YAY!
> >
> > Should I mark this issue as resovled, or should I wait tell it gets merged
> > or something?
>
> Thanks for testing. The patch will have to be posted to the mailing list,
> committed, and then we can close the bug. Backporting to the 2.26 release
> branch is also needed.
I'm preparing the patch for this with a test that validates the leak.
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>From glibc-bugs-return-39064-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 27 05:35:18 2017
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Subject: [Bug malloc/22111] malloc: per thread cache is not returned when thread exits
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--- Comment #6 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #5)
> I'm preparing the patch for this with a test that validates the leak.
cat ~/build/glibc-work/malloc/tst-malloc-tcache-leak.out
INFO: 688 (bytes) are in use before starting threads.
INFO: 10864 (bytes) are in use after all threads joined.
OK, I got the test done somewhat portably using mallinfo and some heuristics.
If you see greater than 1000x size difference from the start to the end, then
you've got a leak.
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>From glibc-bugs-return-39066-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 27 05:46:28 2017
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Subject: [Bug malloc/22111] malloc: per thread cache is not returned when thread exits
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----------------------------------------------------------------------------
Status|NEW |ASSIGNED
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Subject: [Bug malloc/22111] malloc: per thread cache is not returned when thread exits
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--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
Posted for review:
https://www.sourceware.org/ml/libc-alpha/2017-09/msg01008.html
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----------------------------------------------------------------------------
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>From glibc-bugs-return-39069-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Sep 27 23:10:13 2017
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22225] New: nearbyint arithmetic moved before feholdexcept
Date: Wed, 27 Sep 2017 23:10:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22225
Bug ID: 22225
Summary: nearbyint arithmetic moved before feholdexcept
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
Target Milestone: ---
In https://sourceware.org/ml/libc-alpha/2013-05/msg00722.html I remarked on the
possibility of arithmetic in various nearbyint implementations being scheduled
before feholdexcept calls, resulting in spurious "inexact" exceptions.
I'm now actually observing this occurring in glibc built for ARM with GCC 7 (in
fact, both copies of the same addition/subtraction sequence being combined and
moved out before the conditionals and feholdexcept/fesetenv pairs), resulting
in test failures.
FAIL: math/test-double-finite-lrint
FAIL: math/test-double-finite-nearbyint
FAIL: math/test-double-lrint
FAIL: math/test-double-nearbyint
FAIL: math/test-float-finite-nearbyint
FAIL: math/test-float-nearbyint
Testing a patch.
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>From glibc-bugs-return-39070-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 28 02:00:11 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug math/22225] nearbyint arithmetic moved before feholdexcept
Date: Thu, 28 Sep 2017 02:00:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f124cb381116b5809de198327690ad0bd8d1478e
commit f124cb381116b5809de198327690ad0bd8d1478e
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Sep 28 01:59:02 2017 +0000
Fix nearbyint arithmetic moved before feholdexcept (bug 22225).
In <https://sourceware.org/ml/libc-alpha/2013-05/msg00722.html> I
remarked on the possibility of arithmetic in various nearbyint
implementations being scheduled before feholdexcept calls, resulting
in spurious "inexact" exceptions.
I'm now actually observing this occurring in glibc built for ARM with
GCC 7 (in fact, both copies of the same addition/subtraction sequence
being combined and moved out before the conditionals and
feholdexcept/fesetenv pairs), resulting in test failures.
This patch makes the nearbyint implementations with this particular
feholdexcept / arithmetic / fesetenv pattern consistently use
math_opt_barrier on the function argument when first used in
arithmetic, and also consistently use math_force_eval before fesetenv
(the latter was generally already done, but the dbl-64/wordsize-64
implementation used math_opt_barrier instead, and as
math_opt_barrier's intended effect is through its output value being
used, such a use that doesn't use the return value is suspect).
Tested for x86_64 (--disable-multi-arch so more of these
implementations get used), and for ARM in a configuration where I saw
the problem scheduling.
[BZ #22225]
* sysdeps/ieee754/dbl-64/s_nearbyint.c (__nearbyint): Use
math_opt_barrier on argument when doing arithmetic on it.
* sysdeps/ieee754/dbl-64/wordsize-64/s_nearbyint.c (__nearbyint):
Likewise. Use math_force_eval not math_opt_barrier after
arithmetic.
* sysdeps/ieee754/flt-32/s_nearbyintf.c (__nearbyintf): Use
math_opt_barrier on argument when doing arithmetic on it.
* sysdeps/ieee754/ldbl-128/s_nearbyintl.c (__nearbyintl):
Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 +++++++++++++
sysdeps/ieee754/dbl-64/s_nearbyint.c | 4 ++--
sysdeps/ieee754/dbl-64/wordsize-64/s_nearbyint.c | 8 ++++----
sysdeps/ieee754/flt-32/s_nearbyintf.c | 4 ++--
sysdeps/ieee754/ldbl-128/s_nearbyintl.c | 4 ++--
5 files changed, 23 insertions(+), 10 deletions(-)
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>From glibc-bugs-return-39071-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 28 02:01:36 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug math/22225] nearbyint arithmetic moved before feholdexcept
Date: Thu, 28 Sep 2017 02:01:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.27.
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>From glibc-bugs-return-39072-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 28 02:04:32 2017
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Subject: [Bug math/22225] nearbyint arithmetic moved before feholdexcept
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.26/master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=548cc83c38a91852b1e44045ead3d20ccd5db4cf
commit 548cc83c38a91852b1e44045ead3d20ccd5db4cf
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Sep 28 01:59:02 2017 +0000
Fix nearbyint arithmetic moved before feholdexcept (bug 22225).
In <https://sourceware.org/ml/libc-alpha/2013-05/msg00722.html> I
remarked on the possibility of arithmetic in various nearbyint
implementations being scheduled before feholdexcept calls, resulting
in spurious "inexact" exceptions.
I'm now actually observing this occurring in glibc built for ARM with
GCC 7 (in fact, both copies of the same addition/subtraction sequence
being combined and moved out before the conditionals and
feholdexcept/fesetenv pairs), resulting in test failures.
This patch makes the nearbyint implementations with this particular
feholdexcept / arithmetic / fesetenv pattern consistently use
math_opt_barrier on the function argument when first used in
arithmetic, and also consistently use math_force_eval before fesetenv
(the latter was generally already done, but the dbl-64/wordsize-64
implementation used math_opt_barrier instead, and as
math_opt_barrier's intended effect is through its output value being
used, such a use that doesn't use the return value is suspect).
Tested for x86_64 (--disable-multi-arch so more of these
implementations get used), and for ARM in a configuration where I saw
the problem scheduling.
[BZ #22225]
* sysdeps/ieee754/dbl-64/s_nearbyint.c (__nearbyint): Use
math_opt_barrier on argument when doing arithmetic on it.
* sysdeps/ieee754/dbl-64/wordsize-64/s_nearbyint.c (__nearbyint):
Likewise. Use math_force_eval not math_opt_barrier after
arithmetic.
* sysdeps/ieee754/flt-32/s_nearbyintf.c (__nearbyintf): Use
math_opt_barrier on argument when doing arithmetic on it.
* sysdeps/ieee754/ldbl-128/s_nearbyintl.c (__nearbyintl):
Likewise.
(cherry picked from commit f124cb381116b5809de198327690ad0bd8d1478e)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 +++++++++++++
sysdeps/ieee754/dbl-64/s_nearbyint.c | 4 ++--
sysdeps/ieee754/dbl-64/wordsize-64/s_nearbyint.c | 8 ++++----
sysdeps/ieee754/flt-32/s_nearbyintf.c | 4 ++--
sysdeps/ieee754/ldbl-128/s_nearbyintl.c | 4 ++--
5 files changed, 23 insertions(+), 10 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22156] [hppa,ia64,microblaze] Executable stack default
Date: Thu, 28 Sep 2017 10:05:00 -0000
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CC| |fweimer at redhat dot com
Flags| |security+
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From: "markus at trippelsdorf dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/22226] New: valgrind issues with static binaries
Date: Thu, 28 Sep 2017 13:36:00 -0000
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Bug ID: 22226
Summary: valgrind issues with static binaries
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: markus at trippelsdorf dot de
CC: dj at redhat dot com
Target Milestone: ---
~ % echo "int main(){}" | gcc -x c - -static
~ % valgrind ./a.out
==22776== Memcheck, a memory error detector
==22776== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==22776== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
==22776== Command: ./a.out
==22776==
==22776== Conditional jump or move depends on uninitialised value(s)
==22776== at 0x41EAE9: __libc_malloc (malloc.c:3032)
==22776== by 0x41EAE9: malloc_hook_ini (hooks.c:32)
==22776== by 0x45FA09: _dl_get_origin (dl-origin.c:50)
==22776== by 0x42E34E: _dl_non_dynamic_init (dl-support.c:309)
==22776== by 0x42FA62: __libc_init_first (init-first.c:74)
==22776== by 0x400C28: (below main) (libc-start.c:242)
==22776==
==22776== Conditional jump or move depends on uninitialised value(s)
==22776== at 0x41EBE1: tcache_init (malloc.c:2981)
==22776== by 0x41EBE1: __libc_malloc (malloc.c:3032)
==22776== by 0x41EBE1: malloc_hook_ini (hooks.c:32)
==22776== by 0x45FA09: _dl_get_origin (dl-origin.c:50)
==22776== by 0x42E34E: _dl_non_dynamic_init (dl-support.c:309)
==22776== by 0x42FA62: __libc_init_first (init-first.c:74)
==22776== by 0x400C28: (below main) (libc-start.c:242)
==22776==
==22776== Conditional jump or move depends on uninitialised value(s)
==22776== at 0x41DEA8: _int_malloc (malloc.c:3673)
==22776== by 0x41DEA8: tcache_init.part.9 (malloc.c:2985)
==22776== by 0x41EBEB: tcache_init (malloc.c:2981)
==22776== by 0x41EBEB: __libc_malloc (malloc.c:3032)
==22776== by 0x41EBEB: malloc_hook_ini (hooks.c:32)
==22776== by 0x45FA09: _dl_get_origin (dl-origin.c:50)
==22776== by 0x42E34E: _dl_non_dynamic_init (dl-support.c:309)
==22776== by 0x42FA62: __libc_init_first (init-first.c:74)
==22776== by 0x400C28: (below main) (libc-start.c:242)
==22776==
==22776==
==22776== HEAP SUMMARY:
==22776== in use at exit: 0 bytes in 0 blocks
==22776== total heap usage: 0 allocs, 0 frees, 0 bytes allocated
==22776==
==22776== All heap blocks were freed -- no leaks are possible
==22776==
==22776== For counts of detected and suppressed errors, rerun with: -v
==22776== Use --track-origins=yes to see where uninitialised values come from
==22776== ERROR SUMMARY: 3 errors from 3 contexts (suppressed: 0 from 0)
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Subject: [Bug malloc/22226] valgrind issues with static binaries
Date: Thu, 28 Sep 2017 14:45:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Markus Trippelsdorf from comment #0)
> ==22776== at 0x41DEA8: _int_malloc (malloc.c:3673)
> ==22776== by 0x41DEA8: tcache_init.part.9 (malloc.c:2985)
> ==22776== by 0x41EBEB: tcache_init (malloc.c:2981)
What is the source code at this line?
Is it:
3670 #if USE_TCACHE
3671 INTERNAL_SIZE_T tcache_nb = 0;
3672 size_t tc_idx = csize2tidx (nb);
3673 if (tcache && tc_idx < mp_.tcache_bins)
3674 tcache_nb = nb;
3675 int return_cached = 0;
3676
3677 tcache_unsorted_count = 0;
3678 #endif
tcache should be NULL, globally initialized as TLS is setup.
Likewise mp_.tcache_bins is statically initialized in mp_ as global data.
What is uninitialized?
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Subject: [Bug malloc/22226] valgrind issues with static binaries
Date: Thu, 28 Sep 2017 14:58:00 -0000
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From: "markus at trippelsdorf dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/22226] valgrind issues with static binaries
Date: Thu, 28 Sep 2017 15:08:00 -0000
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--- Comment #2 from Markus Trippelsdorf <markus at trippelsdorf dot de> ---
(In reply to Carlos O'Donell from comment #1)
> (In reply to Markus Trippelsdorf from comment #0)
> > ==22776== at 0x41DEA8: _int_malloc (malloc.c:3673)
> > ==22776== by 0x41DEA8: tcache_init.part.9 (malloc.c:2985)
> > ==22776== by 0x41EBEB: tcache_init (malloc.c:2981)
>
> What is the source code at this line?
tcache should be culprit.
3661 if (tcache && tc_idx < mp_.tcache_bins)
(gdb) l
3656 */
3657
3658 #if USE_TCACHE
3659 INTERNAL_SIZE_T tcache_nb = 0;
3660 size_t tc_idx = csize2tidx (nb);
3661 if (tcache && tc_idx < mp_.tcache_bins)
3662 tcache_nb = nb;
3663 int return_cached = 0;
3664
3665 tcache_unsorted_count = 0;
(gdb) bt
#0 0x000000000041e328 in _int_malloc (bytes=576, av=0x49e7a0 <main_arena>) at
malloc.c:3661
#1 tcache_init () at malloc.c:2973
#2 0x000000000041f0ac in tcache_init () at malloc.c:2969
#3 __libc_malloc (bytes=20) at malloc.c:3020
#4 malloc_hook_ini (sz=20, caller=<optimized out>) at hooks.c:32
#5 0x0000000000461bf2 in _dl_get_origin () at
../sysdeps/unix/sysv/linux/dl-origin.c:50
#6 0x000000000042f6ef in _dl_non_dynamic_init () at dl-support.c:348
#7 0x0000000000430e81 in __libc_init_first (argc=argc@entry=1,
argv=argv@entry=0x1fff000538, envp=0x1fff000548) at ../csu/init-first.c:74
#8 0x0000000000400c5f in __libc_start_main (main=0x40088d <main>, argc=1,
argv=0x1fff000538, init=0x4014c0 <__libc_csu_init>, fini=0x4016c0
<__libc_csu_fini>, rtld_fini=0x0,
stack_end=0x1fff000528) at ../csu/libc-start.c:244
#9 0x000000000040078a in _start () at ../sysdeps/x86_64/start.S:120
(gdb) p tcache
Cannot find thread-local storage for Thread 9625, executable file
/home/markus/glibc/a.out:
Remote target doesn't support qGetTLSAddr packet
(gdb) p mp_.tcache_bins
$1 = 64
(gdb) p nb
$2 = <optimized out>
(gdb) p tc_idx
$3 = <optimized out>
Not sure if it is a false positive or not.
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Subject: [Bug malloc/22226] valgrind issues with static binaries
Date: Thu, 28 Sep 2017 15:12:00 -0000
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--- Comment #3 from Markus Trippelsdorf <markus at trippelsdorf dot de> ---
(gdb) b malloc.c:3661
Breakpoint 1 at 0x41bc27: malloc.c:3661. (2 locations)
(gdb) run
Starting program: /home/markus/glibc/a.out
Breakpoint 1, _int_malloc (bytes=576, av=0x49e7a0 <main_arena>) at
malloc.c:3661
3661 if (tcache && tc_idx < mp_.tcache_bins)
(gdb) p tcache
Cannot find thread-local storage for process 10095, executable file
/home/markus/glibc/a.out:
Cannot find thread-local variables on this target
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Subject: [Bug malloc/22226] valgrind issues with static binaries
Date: Thu, 28 Sep 2017 15:19:00 -0000
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--- Comment #4 from Markus Trippelsdorf <markus at trippelsdorf dot de> ---
objdump shows:
00000000004001e1 <tcache_put.part.3>:
static __thread tcache_perthread_struct *tcache = NULL;
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug malloc/22226] valgrind issues with static binaries
Date: Thu, 28 Sep 2017 15:28:00 -0000
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Markus Trippelsdorf from comment #3)
> (gdb) b malloc.c:3661
> Breakpoint 1 at 0x41bc27: malloc.c:3661. (2 locations)
> (gdb) run
> Starting program: /home/markus/glibc/a.out
>
> Breakpoint 1, _int_malloc (bytes=576, av=0x49e7a0 <main_arena>) at
> malloc.c:3661
> 3661 if (tcache && tc_idx < mp_.tcache_bins)
> (gdb) p tcache
> Cannot find thread-local storage for process 10095, executable file
> /home/markus/glibc/a.out:
> Cannot find thread-local variables on this target
Why can't gdb find the thread-local storage for the static binary?
We have already initialized TLS in csu/libc-start.c:195 by calling
__libc_setup_tls(), and so the tcache variable should be initialized.
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>From glibc-bugs-return-39081-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Sep 28 17:07:14 2017
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From: "chen.pang.he at jdh8 dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22227] New: expm1f gives inaccurate results
Date: Thu, 28 Sep 2017 17:07:00 -0000
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Bug ID: 22227
Summary: expm1f gives inaccurate results
Product: glibc
Version: 2.25
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Component: math
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I'm running glibc 2.25.10. I found expm1f occasionally gives inaccurate
results.
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
int main(void)
{
for (int k = 0; k < 1024; ++k) {
float x = rand() / (float) RAND_MAX;
if (expm1f(x) != (float) expm1(x))
printf("%g\n", x);
}
}
I have been working on a libc recently. I have a (possibly slow) working
implementation licensed in MPL, which is compatible with GPL.
https://github.com/jdh8/metallic/blob/master/c/math/float/expm1f.c
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22227] expm1f gives inaccurate results
Date: Thu, 28 Sep 2017 17:14:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22227
--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Having a result that is not correctly rounded is not a bug (please see the
documented accuracy goals in the glibc manual), and tests involving random
inputs are not suitable for bug reports.
If there is a particular input for which expm1f produces a result with an
error of more than a few ulps, please specify the exact input (as a hex
float constant) that gives the largest error you observed, stating the
expected result and the actual result you observe, as hex floats.
If the error is more than 1ulp from the correctly rounded result, that
input could then be added to auto-libm-test-in so the libm-test-ulps files
become more accurate. It would need to be several ulp to consider there
to possibly be a bug.
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>From glibc-bugs-return-39083-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 29 17:45:58 2017
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22229] New: [sparc32] missing copysignl, fabsl, fmal compat symbols
Date: Fri, 29 Sep 2017 17:45:00 -0000
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Bug ID: 22229
Summary: [sparc32] missing copysignl, fabsl, fmal compat
symbols
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
Target Milestone: ---
Host: sparc*-*-linux*
32-bit SPARC libm should have compat symbols for copysignl (GLIBC_2.0), fabsl
(GLIBC_2.0), fmal (GLIBC_2.1), pointing to the double functions; they were
present in glibc 2.8, for example, but are now missing, probably when optimized
SPARC function implementations were added without appropriate compat symbol
handling.
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>From glibc-bugs-return-39084-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 29 19:27:54 2017
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/22194] Building glob outside of glibc fails
Date: Fri, 29 Sep 2017 19:27:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |INVALID
--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
As Paul Eggert has put, gnulib glob.c already handles FLEXIBLE_ARRAY_MEMBER,
__set_errno, and mempcpy automatically, because its 'glob' module has the
modules 'flexmember', 'libc-config', and 'mempcpy' as prerequisites, and these
supply the necessary definitions.
You can test Gnulib glob.c's portabililty by running this shell command in
Gnulib's top directory:
./gnulib-tool --create-testdir --dir foo glob
and then by copying the newly-created 'foo' directory to the platform of your
choice and running './configure; make check' there.
I will close this bug and you can follow with gnulib if you find issues
integrating its implementation on GNU make.
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>From glibc-bugs-return-39085-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Sep 29 23:54:59 2017
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From: "P at draigBrady dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/19329] dl-tls.c assert failure at concurrent pthread_create and dlopen
Date: Fri, 29 Sep 2017 23:54:00 -0000
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--- Comment #9 from Pádraig Brady <P at draigBrady dot com> ---
We found an off by one issue with this (with ASAN + certain number of shared
libs). When the last vector in the _dl_allocate_tls_init list of vectors was of
size one it would have been skipped. The fix is:
diff --git a/elf/dl-tls.c b/elf/dl-tls.c
index 073321c..2c9ad2a 100644
--- a/elf/dl-tls.c
+++ b/elf/dl-tls.c
@@ -571,7 +571,7 @@ _dl_allocate_tls_init (void *result)
}
total += cnt;
- if (total >= dtv_slots)
+ if (total > dtv_slots)
break;
/* Synchronize with dl_add_to_slotinfo. */
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>From glibc-bugs-return-39086-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 30 23:06:37 2017
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Subject: [Bug libc/22165] [hppa] Text relocations in libc.so
Date: Sat, 30 Sep 2017 23:06:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=388784cfddc20ada56d3e52f830d6445b14aa3af
commit 388784cfddc20ada56d3e52f830d6445b14aa3af
Author: John David Anglin <danglin@gcc.gnu.org>
Date: Sat Sep 30 19:02:57 2017 -0400
Fix hppa text relocations in libc.so
[BZ libc/22165]
* sysdeps/unix/sysv/linux/hppa/getcontext.S (__getcontext): Use PIC
code to load address of __getcontext_ret when generating PIC code.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/unix/sysv/linux/hppa/getcontext.S | 5 +++++
2 files changed, 11 insertions(+), 0 deletions(-)
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>From glibc-bugs-return-39087-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Sep 30 23:16:45 2017
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Subject: [Bug libc/22165] [hppa] Text relocations in libc.so
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John David Anglin <danglin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #3 from John David Anglin <danglin at gcc dot gnu.org> ---
Should be fixed.
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>From glibc-bugs-return-39088-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 01 01:14:50 2017
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Subject: [Bug libc/18822] Internal functions are called via PLT
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--- Comment #67 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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functions [BZ #18822]
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>From glibc-bugs-return-39089-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 01 01:15:36 2017
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Subject: [Bug libc/18822] Internal functions are called via PLT
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commit 2c668a5c126c66f9ee4164730e805f36278a4b20
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Aug 31 05:56:32 2017 -0700
Hide internal fadvise64/fallocate64 functions [BZ #18822]
Hide internal fadvise64/fallocate64 functions to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/posix_fadvise64.c
(__posix_fadvise64_l64): Add Add libc_hidden_proto and
libc_hidden_def.
* sysdeps/unix/sysv/linux/posix_fallocate64.c
(__posix_fallocate64_l64): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=76687f844dd983b09df9306aa3527564ebb431c9
commit 76687f844dd983b09df9306aa3527564ebb431c9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Aug 31 05:45:40 2017 -0700
Hide internal __sched_setaffinity_new function [BZ #18822]
Hide internal __sched_setaffinity_new function to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/sched_setaffinity.c
(__sched_setaffinity_new): Add libc_hidden_proto and
libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=36756b2e9f73e77d2e65488080f61494eca65bc0
commit 36756b2e9f73e77d2e65488080f61494eca65bc0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Aug 31 05:38:44 2017 -0700
Hide internal __glob64 function [BZ #18822]
Hide internal __glob64 function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/glob.h (__glob64): Add libc_hidden_proto.
* sysdeps/unix/sysv/linux/glob64.c (__glob64): Add
libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=53d1a65b2e2833cc59c1172b8db6a6dcd0c6f87b
commit 53d1a65b2e2833cc59c1172b8db6a6dcd0c6f87b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Aug 31 05:09:53 2017 -0700
Hide internal __new_getrlimit function [BZ #18822]
Hide internal __new_getrlimit function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/getrlimit64.c (__new_getrlimit): Add
attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e6515ab253f55cfe5535b5e4e4779ded7acb3d11
commit e6515ab253f55cfe5535b5e4e4779ded7acb3d11
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Aug 31 05:03:51 2017 -0700
Hide internal __new_exitfn function [BZ #18822]
Hide internal __new_exitfn function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* stdlib/exit.h (__new_exitfn): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=398f6e35fec61ce55b1092a00ede6f7323e1d834
commit 398f6e35fec61ce55b1092a00ede6f7323e1d834
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Aug 31 04:58:36 2017 -0700
Hide internal __moncontrol function [BZ #18822]
Hide internal __moncontrol function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* mon/gmon.c (__moncontrol): Add libc_hidden_proto and
libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a14e4b011d5dd4f9858b7bb558ab0f46e98a4b1d
commit a14e4b011d5dd4f9858b7bb558ab0f46e98a4b1d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 08:41:32 2017 -0700
Hide internal __libc_print_version function [BZ #18822]
Hide internal __libc_print_version function to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* csu/version.c (__libc_print_version): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c613781146f4fd2dc3a2dea39b416cd7cfab34e9
commit c613781146f4fd2dc3a2dea39b416cd7cfab34e9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 08:40:40 2017 -0700
Hide internal __init_misc function [BZ #18822]
Hide internal __init_misc function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/libc-internal.h (__init_misc): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6d3a328f997e3a5157aaa148c0c0408506871afa
commit 6d3a328f997e3a5157aaa148c0c0408506871afa
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 08:39:40 2017 -0700
Hide internal __setfpucw function [BZ #18822]
Hide internal __setfpucw function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/fpu_control.h (__setfpucw): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ad9f88c3cfa0848e4074ccd87d6f93e468939437
commit ad9f88c3cfa0848e4074ccd87d6f93e468939437
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 08:38:13 2017 -0700
Hide internal __nis_hash function [BZ #18822]
Hide internal __nis_hash function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* nscd/nscd_helper.c (__nis_hash): New prototype.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3afe5949af31a5028e41d6b1b172138789cd40cb
commit 3afe5949af31a5028e41d6b1b172138789cd40cb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 08:35:33 2017 -0700
Hide internal __tcgetattr function [BZ #18822]
Hide internal __tcgetattr function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/termios.h (__tcgetattr): Add libc_hidden_proto.
* sysdeps/unix/bsd/tcgetattr.c (__tcgetattr): Add
libc_hidden_def.
* sysdeps/unix/sysv/linux/tcgetattr.c (__tcgetattr): Likewise.
* termios/tcgetattr.c (__tcgetattr): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95f58a3f75d55bff60154b4bb70b3cc5d3945609
commit 95f58a3f75d55bff60154b4bb70b3cc5d3945609
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 06:42:46 2017 -0700
Hide internal __setrlimit function [BZ #18822]
Hide internal __setrlimit function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/resource.h (__setrlimit): Add libc_hidden_proto.
* resource/setrlimit.c (__setrlimit): Add libc_hidden_def.
* sysdeps/mach/hurd/setrlimit.c (__setrlimit): Likewise.
* sysdeps/unix/sysv/linux/setrlimit.c (__setrlimit): Likewise.
* sysdeps/unix/sysv/linux/setrlimit64.c (__GI___setrlimit): New.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=22355d035fde56486fa847c405f318e2c24aa454
commit 22355d035fde56486fa847c405f318e2c24aa454
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 06:41:49 2017 -0700
Hide internal __vstrfmon_l function [BZ #18822]
Hide internal __vstrfmon_l function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/monetary.h (__vstrfmon_l): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=92a24006e4765bef48bb0f238805d2d3c38d4ff2
commit 92a24006e4765bef48bb0f238805d2d3c38d4ff2
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 06:25:16 2017 -0700
Hide internal __sched_setparam function [BZ #18822]
Hide internal __sched_setparam function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
__GI___sched_setparam is defined when sysdeps/unix/syscalls.list is
used to generate sched_setparam. Otherwise libc_hidden_def is needed
explicitly.
[BZ #18822]
* include/sched.h (__sched_setparam): Add libc_hidden_proto.
* posix/sched_setp.c (__sched_setparam): Add libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c2bc3017e5b905ec98183395ab3a39249cc705af
commit c2bc3017e5b905ec98183395ab3a39249cc705af
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 05:51:51 2017 -0700
Hide internal __hash_string function [BZ #18822]
Hide internal __hash_string function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* intl/hash-string.h (__hash_string): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0f0e100902b0006fb7f9c97687a1340f577d92af
commit 0f0e100902b0006fb7f9c97687a1340f577d92af
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 05:50:09 2017 -0700
Hide internal __hasmntopt function [BZ #18822]
Hide internal __hasmntopt function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/mntent.h (__hasmntopt): Add libc_hidden_proto.
* misc/mntent_r.c (__hasmntopt): Add libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=083282849c4b6561cbe25e2c18191674f1eba44c
commit 083282849c4b6561cbe25e2c18191674f1eba44c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 05:43:49 2017 -0700
Hide internal __ifreq function [BZ #18822]
Hide internal __ifreq function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* include/ifreq.h: New file.
* sysdeps/generic/ifreq.h (__if_nextreq): Removed.
(__ifreq): Likewise.
* sysdeps/mach/hurd/ifreq.h (__if_nextreq): Removed.
(__ifreq): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5b1cd47a56bc9ac82170caa776a5f461cca3ac0f
commit 5b1cd47a56bc9ac82170caa776a5f461cca3ac0f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 04:50:04 2017 -0700
Hide internal idna functions [BZ #18822]
Hide internal idna functions to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* include/idna.h: New file.
* inet/getnameinfo.c: Include <idna.h> instead of
<libidn/idna.h>.
(__idna_to_unicode_lzlz): Removed.
* sysdeps/posix/getaddrinfo.c: Include <idna.h> instead of
<libidn/idna.h>.
(__idna_to_ascii_lz): Removed.
(__idna_to_unicode_lzlz): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1b18d31f4b338d9c1f98a7a207ca86a322e42014
commit 1b18d31f4b338d9c1f98a7a207ca86a322e42014
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 10:39:50 2017 -0700
Hide internal __gettextparse function [BZ #18822]
Hide internal __gettextparse function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/plural-exp.h: New file.
* intl/plural-exp.c: Include <plural-exp.h> instead of
"plural-exp.h".
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fcd6350605ca490df1d9f06895252edad52f6457
commit fcd6350605ca490df1d9f06895252edad52f6457
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 10:20:45 2017 -0700
Hide internal __get_sol function [BZ #18822]
Hide internal __get_sol function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/getsourcefilter.c: Include
"getsourcefilter.h".
* sysdeps/unix/sysv/linux/getsourcefilter.h: New file.
* sysdeps/unix/sysv/linux/setsourcefilter.c: Include
"getsourcefilter.h".
(__get_sol): Removed.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=60c12c4a59b9e41a20fe959a6f02fb0a579e4f81
commit 60c12c4a59b9e41a20fe959a6f02fb0a579e4f81
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 10:11:21 2017 -0700
Move hidden_proto (__dl_iterate_phdr) to include/link.h [BZ #18822]
[BZ #18822]
* elf/dl-iteratephdr.c (hidden_proto (__dl_iterate_phdr)): Moved
to ...
* include/link.h (hidden_proto (__dl_iterate_phdr)): Here.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8f1995c2955a07ca657d7c22ea58fcd86acdf835
commit 8f1995c2955a07ca657d7c22ea58fcd86acdf835
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 10:07:55 2017 -0700
Hide internal __bsd_getpt function [BZ #18822]
Hide internal __bsd_getpt function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/getpt.c (__bsd_getpt): Add
attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=01b30e390481dcc3f11be36c2485448ce2b1e5d1
commit 01b30e390481dcc3f11be36c2485448ce2b1e5d1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 09:20:06 2017 -0700
Hide internal __fopen_maybe_mmap function [BZ #18822]
Hide internal __fopen_maybe_mmap function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* libio/iolibio.h (__fopen_maybe_mmap): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4c15d7c23f8aa81687a0ef5add1a71bca1dd30df
commit 4c15d7c23f8aa81687a0ef5add1a71bca1dd30df
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 09:18:36 2017 -0700
Hide internal __tdestroy function [BZ #18822]
Hide internal __tdestroy function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/search.h (__tdestroy): Add libc_hidden_proto.
* misc/tsearch.c (__tdestroy): Add libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8ab6c45c1e1e0015ed671879774e7d942291e3d7
commit 8ab6c45c1e1e0015ed671879774e7d942291e3d7
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 09:17:07 2017 -0700
Hide internal __assert_fail_base function [BZ #18822]
Hide internal __assert_fail_base function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/assert.h (__assert_fail_base): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b754ea5d07c744f23b509826668b7607246fea8
commit 3b754ea5d07c744f23b509826668b7607246fea8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 09:15:33 2017 -0700
Hide internal __sysinfo function [BZ #18822]
Hide internal __sysinfo function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/include/sys/sysinfo.h (__sysinfo): Add
attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=68076640718d72cc40b3635c1031cbceb514e21d
commit 68076640718d72cc40b3635c1031cbceb514e21d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 08:17:57 2017 -0700
Hide internal signal functions [BZ #18822]
Hide internal signal functions to allow direct access within libc.so and
libc.a without using GOT nor PLT.
__GI___kill and __GI___sigaltstack are defined when syscalls.list is
used to generate them. Otherwise libc_hidden_def is needed explicitly.
[BZ #18822]
* include/signal.h (__kill): Add libc_hidden_proto.
(__sigblock): Likewise.
(__sigprocmask): Likewise.
(__sigaltstack): Likewise.
* signal/kill.c (__kill): Add libc_hidden_def.
* signal/sigblock.c (__sigblock): Likewise.
* signal/sigprocmask.c (__sigprocmask): Likewise.
* sysdeps/mach/hurd/kill.c (__kill): Likewise.
* sysdeps/mach/hurd/sigaltstack.c (__sigaltstack): Likewise.
* sysdeps/mach/hurd/sigprocmask.c (__sigprocmask): Likewise.
* sysdeps/posix/sigblock.c (__sigblock): Likewise.
* sysdeps/unix/sysv/linux/alpha/sigprocmask.c (__sigprocmask):
Likewise.
* sysdeps/unix/sysv/linux/ia64/sigprocmask.c (__sigprocmask):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sigprocmask.c
(__sigprocmask): Likewise.
* sysdeps/unix/sysv/linux/sigprocmask.c (__sigprocmask):
Likewise.
* /sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c
(__sigprocmask): Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigprocmask.c (__sigprocmask):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4cd6128f473d4db7bbc71de6b0d3b0a9871db5fa
commit 4cd6128f473d4db7bbc71de6b0d3b0a9871db5fa
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 08:07:16 2017 -0700
Hide internal __strsep function [BZ #18822]
Hide internal __strsep function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* include/string.h (__strsep): Add libc_hidden_proto.
* string/strsep.c (__strsep): Add libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dedfbdfec414f973b8c96a5430be9feb9d473f9e
commit dedfbdfec414f973b8c96a5430be9feb9d473f9e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 06:24:41 2017 -0700
Hide __posix_spawn_file_actions_realloc/__spawni [BZ #18822]
Hide internal __posix_spawn_file_actions_realloc and /__spawni functions
to allow direct access within libc.so and libc.a without using GOT nor
PLT.
[BZ #18822]
* posix/spawn_int.h (__posix_spawn_file_actions_realloc): Add
attribute_hidden.
(__spawni): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f9f658b161c22bb43f111fa73dc4222492aeabcb
commit f9f658b161c22bb43f111fa73dc4222492aeabcb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 06:10:22 2017 -0700
Hide internal __mremap function [BZ #18822]
Hide internal __mremap function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
__GI___mremap is defined when sysdeps/unix/syscalls.list is used to
generate mremap. Otherwise libc_hidden_def is needed explicitly.
[BZ #18822]
* include/sys/mman.h (__mremap): Add libc_hidden_proto.
* sysdeps/unix/sysv/linux/m68k/mremap.S (__mremap): Add
libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0700a91920d2348c875481da44c0da6a1a5064aa
commit 0700a91920d2348c875481da44c0da6a1a5064aa
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Aug 21 06:07:11 2017 -0700
Hide internal __malloc_check_init function [BZ #18822]
Hide internal __malloc_check_init function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
* include/malloc.h (__malloc_check_init): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=03e0fd739c24f1e74eb710f6bf004c653832a7a9
commit 03e0fd739c24f1e74eb710f6bf004c653832a7a9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 11:53:06 2017 -0700
Hide internal __ioctl function [BZ #18822]
Hide internal __ioctl function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
__GI___ioctl is defined when sysdeps/unix/syscalls.list is used to
generate ioctl. Otherwise libc_hidden_def is needed explicitly.
[BZ #18822]
* include/sys/ioctl.h (__ioctl): Add libc_hidden_proto.
* misc/ioctl.c (__ioctl): Add libc_hidden_def.
* sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/aarch64/ioctl.S (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/ioctl.S (__ioctl):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/ioctl.c (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/ioctl.S (__ioctl): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=414250adc18eb7516d43262d5dc2dbfe2d76d888
commit 414250adc18eb7516d43262d5dc2dbfe2d76d888
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 11:40:26 2017 -0700
Mark internal intl functions with attribute_hidden [BZ #18822]
Mark internal intl functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* intl/gettextP.h (__dcngettext): Add attribute_hidden.
(__dcigettext): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c1394fab7c3e9eed70defb442ad5c152be51fc9a
commit c1394fab7c3e9eed70defb442ad5c152be51fc9a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 11:25:56 2017 -0700
Hide internal sysinfo functions [BZ #18822]
Hide internal sysinfo functions to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/sysinfo.h (__get_nprocs_conf): Add
libc_hidden_proto.
(__get_nprocs): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
(__get_child_max): Add attribute_hidden.
* misc/getsysstats.c (__get_nprocs_conf): Add libc_hidden_def.
(__get_nprocs): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
* sysdeps/mach/getsysstats.c (__get_nprocs_conf): Add
libc_hidden_def.
(__get_nprocs): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
* sysdeps/unix/sysv/linux/getsysstats.c (__get_nprocs): Add
libc_hidden_def.
(__get_nprocs_conf): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1dbe90c340d17dfc34fc9fd58ef9ff43347e0ef2
commit 1dbe90c340d17dfc34fc9fd58ef9ff43347e0ef2
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 10:38:46 2017 -0700
Mark internal netlink functions with attribute_hidden [BZ #18822]
Mark internal netlink functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/netlinkaccess.h (__netlink_open): Add
attribute_hidden.
(__netlink_close): Likewise.
(__netlink_free_handle): Likewise.
(__netlink_request): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=605bef612eb2ffadcfff14906c62363a895da631
commit 605bef612eb2ffadcfff14906c62363a895da631
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 10:22:10 2017 -0700
Mark internal rpc functions with attribute_hidden [BZ #18822]
Mark internal rpc functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/rpc/rpc.h (__rpc_thread_variables): Add
attribute_hidden.
(__rpc_thread_svc_cleanup): Likewise.
(__rpc_thread_clnt_cleanup): Likewise.
(__rpc_thread_key_cleanup): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8a83677848555643d4430e9050172144e35c6878
commit 8a83677848555643d4430e9050172144e35c6878
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 08:05:25 2017 -0700
Hide __readv and __writev [BZ #18822]
Hide internal __readv and __writev functions to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/uio.h (__readv): Add libc_hidden_proto.
(__writev): Likewise.
* misc/readv.c (__readv): Add libc_hidden_def.
* misc/writev.c (__writev): Likewise.
* sysdeps/posix/readv.c (__readv): Likewise.
* sysdeps/posix/writev.c (__writev): Likewise.
* sysdeps/unix/sysv/linux/readv.c: Include <sys/uio.h>.
(__readv): Likewise.
* sysdeps/unix/sysv/linux/writev.c: Include <sys/uio.h>.
(__writev): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=148a658735ad5bc592a0b89d32987f26a2fe4bed
commit 148a658735ad5bc592a0b89d32987f26a2fe4bed
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 07:28:23 2017 -0700
Hide internal regex functions [BZ #18822]
Hide internal regex functions to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* include/regex.h (__re_compile_fastmap): Add attribute_hidden.
(__regcomp): Add libc_hidden_proto.
(__regexec): Likewise.
(__regfree): Likewise.
* posix/regcomp.c (__regcomp): Add libc_hidden_def.
(__regfree): Likewise.
* posix/regexec.c (__regexec): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=111ec3a710a8d9fa1b8c3b73fe3ffcd74d21a7ff
commit 111ec3a710a8d9fa1b8c3b73fe3ffcd74d21a7ff
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Aug 19 16:47:56 2017 -0700
Mark internal stdlib functions with attribute_hidden [BZ #18822]
Mark internal stdlib functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT. __realpath
is hidden with libc_hidden_proto and libc_hidden_def since the exported
realpath is an alias of __realpath.
[BZ #18822]
* include/stdlib.h (__random): Add attribute_hidden.
(__random_r): Likewise.
(__srandom_r): Likewise.
(__initstate_r): Likewise.
(__setstate_r): Likewise.
(__erand48_r): Likewise.
(__nrand48_r): Likewise.
(__jrand48_r): Likewise.
(__srand48_r): Likewise.
(__seed48_r): Likewise.
(__lcong48_r): Likewise.
(__drand48_iterate): Likewise.
(__setenv): Likewise.
(__unsetenv): Likewise.
(__clearenv): Likewise.
(__ptsname_r): Likewise.
(__posix_openpt): Likewise.
(__add_to_environ): Likewise.
(__realpath): Add libc_hidden_proto.
(__ecvt_r): Likewise.
(__fcvt_r): Likewise.
(__qecvt_r): Likewise.
(__qfcvt_r): Likewise.
* misc/efgcvt_r.c (cvt_symbol_1): Add libc_hidden_def (local).
* stdlib/canonicalize.c (__realpath): Add libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=550efff5105253c16925a74da89d178a96bec7c0
commit 550efff5105253c16925a74da89d178a96bec7c0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Aug 19 16:29:20 2017 -0700
Mark internal utmp functions with attribute_hidden [BZ #18822]
Mark internal utmp functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/utmp.h (__updwtmp): Add libc_hidden_proto.
(__getutent): Likewise.
(__getutid): Likewise.
(__getutline): Likewise.
(__pututline): Likewise.
(__getutent_r): Likewise.
(__getutid_r): Likewise.
(__getutline_r): Likewise.
(__utmpname): Add attribute_hidden.
(__setutent): Likewise.
(__endutent): Likewise.
* login/getutent.c (__getutent): Add libc_hidden_def.
* login/getutent_r.c (__getutent_r): Likewise.
(__pututline): Likewise.
* login/getutid.c (__getutid): Likewise.
* login/getutid_r.c (__getutid_r): Likewise.
* login/getutline.c (__getutline): Likewise.
* login/getutline_r.c (__getutline_r): Likewise.
* login/updwtmp.c (__updwtmp): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7c43e85b727a1d175ef442cb137dbbf50ca8e355
commit 7c43e85b727a1d175ef442cb137dbbf50ca8e355
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Aug 19 16:23:58 2017 -0700
Mark internal dirent functions with attribute_hidden [BZ #18822]
Mark internal dirent functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT. __readdir64
is hidden with libc_hidden_proto and libc_hidden_def since the exported
readdir64 is an alias of __readdir64.
[BZ #18822]
* include/dirent.h (__opendir): Always add attribute_hidden.
(__fdopendir): Likewise.
(__closedir): Likewise.
(__readdir): Likewise.
(__readdir64): Add libc_hidden_proto.
* sysdeps/mach/hurd/readdir64.c (__readdir64): Add libc_hidden_def.
* sysdeps/unix/sysv/linux/i386/readdir64.c (__readdir64): Likewise.
* sysdeps/unix/sysv/linux/readdir64.c (__readdir64): Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/readdir.c (__GI___readdir64):
New alias.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69b667c9f70d6a3745e557c3f23c930268ac5013
commit 69b667c9f70d6a3745e557c3f23c930268ac5013
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Aug 19 15:49:08 2017 -0700
Mark internal getXXXbyYYY functions with attribute_hidden [BZ #18822]
Mark internal getXXXbyYYY functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/aliases.h (__getaliasbyname_r): Add attribute_hidden.
* include/netdb.h (__gethostbyaddr_r): Likewise.
(__gethostbyname_r): Likewise.
(__gethostbyname2_r): Likewise.
(__getnetbyaddr_r): Likewise.
(__getnetbyname_r): Likewise.
(__getservbyname_r): Likewise.
(__getservbyport_r): Likewise.
(__getprotobyname_r): Likewise.
(__getprotobynumber_r): Likewise.
(__getnetgrent_r): Likewise.
* include/rpc/netdb.h (__getrpcbyname_r): Likewise.
(__getrpcbynumber_r): Likewise.
* nss/getXXbyYY.c (INTERNAL (REENTRANT_NAME)): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eba46f5a421fbe1359fd26b6edd5c792a85ea8b6
commit eba46f5a421fbe1359fd26b6edd5c792a85ea8b6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Aug 19 15:45:30 2017 -0700
Mark internal stdio functions with attribute_hidden [BZ #18822]
Mark internal stdio functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/stdio.h (__fcloseall): Add attribute_hidden.
(__getline): Likewise.
(__path_search): Likewise.
(__gen_tempname): Likewise.
(__libc_message): Likewise.
(__flockfile): Likewise.
(__funlockfile): Likewise.
(__fxprintf): Likewise.
(__fxprintf_nocancel): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=be1f438df78d4da2b3a296b3cd2e2ee357c3defe
commit be1f438df78d4da2b3a296b3cd2e2ee357c3defe
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Aug 19 15:44:27 2017 -0700
Mark internal gshadow functions with attribute_hidden [BZ #18822]
Mark internal gshadow functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/gshadow.h (__fgetsgent_r): Add attribute_hidden.
(__sgetsgent_r): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=02af6ae09abb8c3297b5d5f84b7718ec0e010a7d
commit 02af6ae09abb8c3297b5d5f84b7718ec0e010a7d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Aug 19 15:37:42 2017 -0700
Mark internal statfs functions with attribute_hidden [BZ #18822]
Mark internal statfs functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/statfs.h (__fstatfs): Add attribute_hidden.
(__statfs64): Likewise.
(__fstatfs64): Likewise.
* include/sys/statvfs.h (__statvfs64): Likewise.
(__fstatvfs64): Likewise.
* sysdeps/unix/sysv/linux/pathconf.h (__statfs_link_max): Likewise.
(__statfs_filesize_max): Likewise.
(__statfs_symlinks): Likewise.
(__statfs_chown_restricted): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b346121113437ec8cdad6b865c4c5367de845a38
commit b346121113437ec8cdad6b865c4c5367de845a38
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Aug 18 17:30:29 2017 -0700
Mark internal time functions with attribute_hidden [BZ #18822]
Mark internal time functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/time.h (__tzstring): Add attribute_hidden.
(__tzfile_read): Likewise.
(__tzfile_compute): Likewise.
(__tzfile_default): Likewise.
(__tzset_parse_tz): Likewise.
(__offtime): Likewise.
(__asctime_r): Likewise.
(__tzset): Likewise.
(__tz_convert): Likewise.
(__getdate_r): Likewise.
(__getclktck): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b1e27ca514ab111bfb3e5f41d375b2cd12d6d6b3
commit b1e27ca514ab111bfb3e5f41d375b2cd12d6d6b3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Aug 18 17:16:26 2017 -0700
Mark internal nscd functions with attribute_hidden [BZ #18822]
Mark internal nscd functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* nscd/nscd-client.h (__nscd_get_map_ref): Add attribute_hidden.
(__nscd_unmap): Likewise.
(__nscd_cache_search): Likewise.
(__nscd_get_nl_timestamp): Likewise.
(__nscd_getpwnam_r): Likewise.
(__nscd_getpwuid_r): Likewise.
(__nscd_getgrnam_r): Likewise.
(__nscd_getgrgid_r): Likewise.
(__nscd_gethostbyname_r): Likewise.
(__nscd_gethostbyname2_r): Likewise.
(__nscd_gethostbyaddr_r): Likewise.
(__nscd_getai): Likewise.
(__nscd_getgrouplist): Likewise.
(__nscd_getservbyname_r): Likewise.
(__nscd_getservbyport_r): Likewise.
(__nscd_innetgr): Likewise.
(__nscd_setnetgrent): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8486c25530f0a343459f4f80eeb267dffebc3611
commit 8486c25530f0a343459f4f80eeb267dffebc3611
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Aug 18 17:04:20 2017 -0700
Mark internal gmp functions with attribute_hidden [BZ #18822]
Mark internal gmp functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/gmp.h: Declare internal functions only if _ISOMAC is
undefined.
(__mpn_extract_double): Add attribute_hidden.
(__mpn_extract_long_double): Likewise.
(__mpn_extract_float128): Likewise.
(__mpn_construct_float): Likewise.
(__mpn_construct_double): Likewise.
(__mpn_construct_long_double): Likewise.
(__mpn_construct_float128): Likewise.
(mpn_add_1): Likewise.
(mpn_addmul_1): Likewise.
(mpn_add_n): Likewise.
(mpn_cmp): Likewise.
(mpn_divrem): Likewise.
(mpn_lshift): Likewise.
(mpn_mul): Likewise.
(mpn_mul_1): Likewise.
(mpn_rshift): Likewise.
(mpn_sub_1): Likewise.
(mpn_submul_1): Likewise.
(mpn_sub_n): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f811cc4759291c4119982e3d7adf7e882c81e4f4
commit f811cc4759291c4119982e3d7adf7e882c81e4f4
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Aug 18 13:24:43 2017 -0700
Mark internal wchar functions with attribute_hidden [BZ #18822]
Mark internal wchar functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/wchar.h (__wcsnlen): Add attribute_hidden.
(__wcscat): Likewise.
(__btowc): Likewise.
(__wcrtomb): Likewise.
(__mbsrtowcs): Likewise.
(__wcsrtombs): Likewise.
(__mbsnrtowcs): Likewise.
(__wcsnrtombs): Likewise.
(__wcsncpy): Likewise.
(__wcpncpy): Likewise.
(__wmemcpy): Likewise.
(__wmempcpy): Likewise.
(__wmemmove): Likewise.
(__wcschrnul): Likewise.
(__vfwscanf): Likewise.
(__vswprintf): Likewise.
(__fwprintf): Likewise.
(__vfwprintf): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e39a59eb172c4cdf851f2c21baa91cdd3d1d0ac
commit 8e39a59eb172c4cdf851f2c21baa91cdd3d1d0ac
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Aug 18 09:00:24 2017 -0700
Mark internal grp/pwd/shadow functions with attribute_hidden [BZ #18822]
Mark internal grp/pwd/shadow functions with attribute_hidden to allow
direct access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/grp.h (__fgetgrent_r): Add attribute_hidden.
(__getgrgid_r): Likewise.
(__getgrnam_r): Likewise.
* include/pwd.h (__getpwuid_r): Likewise.
(__getpwnam_r): Likewise.
(__fgetpwent_r): Likewise.
* include/shadow.h (__getspnam_r): Likewise.
(__sgetspent_r): Likewise.
(__fgetspent_r): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a560f498ecf60cf910e4c3fd834a13424bd0f47d
commit a560f498ecf60cf910e4c3fd834a13424bd0f47d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Aug 18 05:43:12 2017 -0700
Mark internal unistd functions with attribute_hidden [BZ #18822]
Mark internal unistd functions with attribute_hidden to allow direct
access to them within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/unistd.h (__access): Add attribute_hidden.
(__lseek64): Likewise.
(__libc_pread64): Likewise.
(__pipe2): Likewise.
(__sleep): Likewise.
(__chdir): Likewise.
(__fchdir): Likewise.
(__getcwd): Likewise.
(__rmdir): Likewise.
(__execvpe): Likewise.
(__execve): Likewise.
(__setsid): Likewise.
(__getuid): Likewise.
(__geteuid): Likewise.
(__getgid): Likewise.
(__getegid): Likewise.
(__getgroups): Likewise.
(__group_member): Likewise.
(__ttyname_r): Likewise.
(__isatty): Likewise.
(__readlink): Likewise.
(__unlink): Likewise.
(__gethostname): Likewise.
(__profil): Likewise.
(__getdtablesize): Likewise.
(__brk): Likewise.
(__ftruncate): Likewise.
(__ftruncate64): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e8b5e8f35828b658f4d5deb08c55ab31a4fc63bd
commit e8b5e8f35828b658f4d5deb08c55ab31a4fc63bd
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Aug 17 13:17:12 2017 -0700
Mark internal argp functions with attribute_hidden [BZ #18822]
Mark internal argp functions with attribute_hidden to allow direct
access to them within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* argp/argp-fmtstream.c: Include <argp-fmtstream.h>.
* argp/argp-fs-xinl.c: Likewise.
* argp/argp-help.c: Include <argp.h> and <argp-fmtstream.h>.
* argp/argp-parse.c: Include <argp.h>.
* argp/argp-xinl.c: Likewise.
* include/argp-fmtstream.h: New file.
* include/argp.h (__argp_error): Add attribute_hidden.
(__argp_failure): Likewise.
(__argp_input): Likewise.
(__argp_state_help): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=614c77aedcb2965b91dd413b380227650dfcb67b
commit 614c77aedcb2965b91dd413b380227650dfcb67b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Aug 17 12:48:28 2017 -0700
Mark ____wcsto*_l_internal functions with attribute_hidden [BZ #18822]
Mark ____wcsto*_l_internal functions with attribute_hidden to allow
direct access to them within libc.so and libc.a without using GOT nor
PLT.
[BZ #18822]
* include/wchar.h (____wcstof_l_internal): New prototype.
(____wcstod_l_internal): Likewise.
(____wcstold_l_internal): Likewise.
(____wcstol_l_internal): Likewise.
(____wcstoul_l_internal): Likewise.
(____wcstoll_l_internal): Likewise.
(____wcstoull_l_internal): Likewise.
(____wcstof128_l_internal): Likewise.
* sysdeps/ieee754/float128/wcstof128.c
(____wcstof128_l_internal): Removed.
* sysdeps/ieee754/float128/wcstof128_l.c
(____wcstof128_l_internal): Likewise.
* wcsmbs/wcstod.c (____wcstod_l_internal): Likewise.
* wcsmbs/wcstod_l.c (____wcstod_l_internal): Likewise.
* wcsmbs/wcstof.c (____wcstof_l_internal): Likewise.
* wcsmbs/wcstof_l.c (____wcstof_l_internal): Likewise.
* wcsmbs/wcstol_l.c (____wcstol_l_internal): Likewise.
* wcsmbs/wcstold.c (____wcstold_l_internal): Likewise.
* wcsmbs/wcstold_l.c (____wcstold_l_internal): Likewise.
* wcsmbs/wcstoll_l.c (____wcstoll_l_internal): Likewise.
* wcsmbs/wcstoul_l.c (____wcstoul_l_internal): Likewise.
* wcsmbs/wcstoull_l.c (____wcstoull_l_internal): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=438de19d7b49d2b8469722c4a932e5f4c17036fa
commit 438de19d7b49d2b8469722c4a932e5f4c17036fa
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Aug 17 12:35:02 2017 -0700
Mark __internal_statvfs[64] with attribute_hidden [BZ #18822]
Mark __internal_statvfs[64] with attribute_hidden to allow direct access
to them within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/fstatvfs.c: Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs): Removed.
* sysdeps/unix/sysv/linux/fstatvfs64.c Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs64): Removed.
* sysdeps/unix/sysv/linux/internal_statvfs.c: Include
"internal_statvfs.h" instead of <sys/statvfs.h>.
* sysdeps/unix/sysv/linux/internal_statvfs.h: New file.
* sysdeps/unix/sysv/linux/statvfs.c Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs): Removed.
* sysdeps/unix/sysv/linux/statvfs64.c Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs64): Removed.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7666f34db1d3e0f62888374cf3e49744d8baf109
commit 7666f34db1d3e0f62888374cf3e49744d8baf109
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Aug 17 12:26:17 2017 -0700
Mark 3 *_internal functions with attribute_hidden [BZ #18822]
Mark __ptsname_internal, __mktime_internal and __fopen_internal with
attribute_hidden to allow direct access to them within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* include/stdlib.h (__ptsname_internal): Add attribute_hidden.
* include/time.h (__mktime_internal): Likewise.
* libio/iolibio.h (__fopen_internal): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d71ea66017853c7aaeeb2e75945e9261030cf9d7
commit d71ea66017853c7aaeeb2e75945e9261030cf9d7
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 13 07:00:22 2017 -0700
Mark internal functions with attribute_hidden [BZ #18822]
Mark internal functions with attribute_hidden to allow direct access to
internal functions within libc.so and libc.a without using GOT nor PLT.
Size comparison of libc.so:
On x86-64:
text data bss dec hex
Before: 1728577 20584 17088 1766249 1af369
After : 1728593 20584 17088 1766265 1af379
The only change is __gconv_release_shlib in iconv/gconv_dl.c is inlined
since it is hidden, which increases the code size of gconv_dl.os by 18
bytes.
On i686:
text data bss dec hex
Before: 1869039 11444 11112 1891595 1cdd0b
After : 1868635 11444 11112 1891191 1cdb77
The code size is decreased by avoiding GOT/PLT for hidden functions.
[BZ #18822]
* iconv/gconv_int.h (__gconv_open): Add attribute_hidden.
(__gconv_close): Likewise.
(__gconv): Likewise.
(__gconv_find_transform): Likewise.
(__gconv_lookup_cache): Likewise.
(__gconv_compare_alias_cache): Likewise.
(__gconv_load_cache): Likewise.
(__gconv_get_path): Likewise.
(__gconv_close_transform): Likewise.
(__gconv_release_cache): Likewise.
(__gconv_find_shlib): Likewise.
(__gconv_release_shlib): Likewise.
(__gconv_get_builtin_trans): Likewise.
(__gconv_compare_alias): Likewise.
* include/dlfcn.h (_dlerror_run): Likewise.
* include/stdio.h (__fortify_fail_abort): Likewise.
* include/time.h (__tz_compute): Likewise.
(__strptime_internal): Likewise.
* intl/gettextP.h (_nl_find_domain): Likewise.
(_nl_load_domain): Likewise.
(_nl_find_msg): Likewise.
* intl/plural-exp.h (FREE_EXPRESSION): Likewise.
(EXTRACT_PLURAL_EXPRESSION): Likewise.
* locale/coll-lookup.h (__collidx_table_lookup): Likewise.
* resolv/gai_misc.h (__gai_enqueue_request): Likewise.
(__gai_find_request): Likewise.
(__gai_remove_request): Likewise.
(__gai_notify): Likewise.
(__gai_notify_only): Likewise.
* sysdeps/generic/aio_misc.h (__aio_sigqueue): Likewise.
* sysdeps/generic/ldsodefs.h (_dl_fini): Likewise.
(_dl_non_dynamic_init): Likewise.
(_dl_aux_init): Likewise.
* sysdeps/i386/machine-gmon.h (mcount_internal): Likewise.
* sysdeps/unix/sysv/linux/i386/olddirent.h (__old_getdents64):
Likewise.
* wcsmbs/wcsmbsload.h (__wcsmbs_load_conv): Likewise.
(__wcsmbs_clone_conv): Likewise.
(__wcsmbs_named_conv): Likewise.
-----------------------------------------------------------------------
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>From glibc-bugs-return-39090-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 01 22:05:56 2017
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Sun, 01 Oct 2017 22:05:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18822
--- Comment #69 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 8ed3b64330cd24e2a17d8794a871cab034707a33 (commit)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8ed3b64330cd24e2a17d8794a871cab034707a33
commit 8ed3b64330cd24e2a17d8794a871cab034707a33
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 14:34:18 2017 -0700
Mark internal stdlib functions with attribute_hidden [BZ #18822]
Mark internal stdlib functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT. __realpath
is hidden with libc_hidden_proto and libc_hidden_def since the exported
realpath is an alias of __realpath.
[BZ #18822]
* include/stdlib.h (__random): Add attribute_hidden.
(__random_r): Likewise.
(__srandom_r): Likewise.
(__initstate_r): Likewise.
(__setstate_r): Likewise.
(__erand48_r): Likewise.
(__nrand48_r): Likewise.
(__jrand48_r): Likewise.
(__srand48_r): Likewise.
(__seed48_r): Likewise.
(__lcong48_r): Likewise.
(__drand48_iterate): Likewise.
(__setenv): Likewise.
(__unsetenv): Likewise.
(__clearenv): Likewise.
(__ptsname_r): Likewise.
(__posix_openpt): Likewise.
(__add_to_environ): Likewise.
(__realpath): Add libc_hidden_proto.
(__ecvt_r): Likewise.
(__fcvt_r): Likewise.
(__qecvt_r): Likewise.
(__qfcvt_r): Likewise.
* misc/efgcvt_r.c (cvt_symbol_1): Add libc_hidden_def (local).
* stdlib/canonicalize.c (__realpath): Add libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ef9b6f73f45a46d079018f63e2d9184eaa0db1d5
commit ef9b6f73f45a46d079018f63e2d9184eaa0db1d5
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 14:33:26 2017 -0700
Mark 3 *_internal functions with attribute_hidden [BZ #18822]
Mark __ptsname_internal, __mktime_internal and __fopen_internal with
attribute_hidden to allow direct access to them within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* include/stdlib.h (__ptsname_internal): Add attribute_hidden.
* include/time.h (__mktime_internal): Likewise.
* libio/iolibio.h (__fopen_internal): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 36 +++++++++++++++++++++++++++++++++
include/stdlib.h | 53 ++++++++++++++++++++++++++++++------------------
include/time.h | 2 +-
libio/iolibio.h | 3 +-
misc/efgcvt_r.c | 7 +++++-
stdlib/canonicalize.c | 1 +
6 files changed, 79 insertions(+), 23 deletions(-)
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>From glibc-bugs-return-39091-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 01 22:48:41 2017
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Sun, 01 Oct 2017 22:48:00 -0000
X-Bugzilla-Reason: CC
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Message-ID: <bug-18822-131-5jGvnayQWQ@http.sourceware.org/bugzilla/>
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https://sourceware.org/bugzilla/show_bug.cgi?id=18822
--- Comment #70 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9635ce69626bfe41196bdef8efe4aba8d8a7b58f
commit 9635ce69626bfe41196bdef8efe4aba8d8a7b58f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:20:47 2017 -0700
Mark internal getXXXbyYYY functions with attribute_hidden [BZ #18822]
Mark internal getXXXbyYYY functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/aliases.h (__getaliasbyname_r): Add attribute_hidden.
* include/netdb.h (__gethostbyaddr_r): Likewise.
(__gethostbyname_r): Likewise.
(__gethostbyname2_r): Likewise.
(__getnetbyaddr_r): Likewise.
(__getnetbyname_r): Likewise.
(__getservbyname_r): Likewise.
(__getservbyport_r): Likewise.
(__getprotobyname_r): Likewise.
(__getprotobynumber_r): Likewise.
(__getnetgrent_r): Likewise.
* include/rpc/netdb.h (__getrpcbyname_r): Likewise.
(__getrpcbynumber_r): Likewise.
* nss/getXXbyYY.c (INTERNAL (REENTRANT_NAME)): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2e0a69097d38382fc26cce2a482e9ef2ddda52cf
commit 2e0a69097d38382fc26cce2a482e9ef2ddda52cf
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:19:51 2017 -0700
Mark internal stdio functions with attribute_hidden [BZ #18822]
Mark internal stdio functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/stdio.h (__fcloseall): Add attribute_hidden.
(__getline): Likewise.
(__path_search): Likewise.
(__gen_tempname): Likewise.
(__libc_message): Likewise.
(__flockfile): Likewise.
(__funlockfile): Likewise.
(__fxprintf): Likewise.
(__fxprintf_nocancel): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=94fd682c9b7c0b1ed95234a491f86b8d529e15c2
commit 94fd682c9b7c0b1ed95234a491f86b8d529e15c2
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:19:01 2017 -0700
Mark internal gshadow functions with attribute_hidden [BZ #18822]
Mark internal gshadow functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/gshadow.h (__fgetsgent_r): Add attribute_hidden.
(__sgetsgent_r): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e1b33bba7c30b36be33fa8bb1e6cffbb65b97730
commit e1b33bba7c30b36be33fa8bb1e6cffbb65b97730
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:18:09 2017 -0700
Mark internal statfs functions with attribute_hidden [BZ #18822]
Mark internal statfs functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/statfs.h (__fstatfs): Add attribute_hidden.
(__statfs64): Likewise.
(__fstatfs64): Likewise.
* include/sys/statvfs.h (__statvfs64): Likewise.
(__fstatvfs64): Likewise.
* sysdeps/unix/sysv/linux/pathconf.h (__statfs_link_max): Likewise.
(__statfs_filesize_max): Likewise.
(__statfs_symlinks): Likewise.
(__statfs_chown_restricted): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b0f5678494d727b6868435dfc32b066ade6d3e49
commit b0f5678494d727b6868435dfc32b066ade6d3e49
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:17:19 2017 -0700
Mark internal time functions with attribute_hidden [BZ #18822]
Mark internal time functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/time.h (__tzstring): Add attribute_hidden.
(__tzfile_read): Likewise.
(__tzfile_compute): Likewise.
(__tzfile_default): Likewise.
(__tzset_parse_tz): Likewise.
(__offtime): Likewise.
(__asctime_r): Likewise.
(__tzset): Likewise.
(__tz_convert): Likewise.
(__getdate_r): Likewise.
(__getclktck): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a4338d994fe4b1802db040140153b4b6bc36c817
commit a4338d994fe4b1802db040140153b4b6bc36c817
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:16:13 2017 -0700
Mark internal nscd functions with attribute_hidden [BZ #18822]
Mark internal nscd functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* nscd/nscd-client.h (__nscd_get_map_ref): Add attribute_hidden.
(__nscd_unmap): Likewise.
(__nscd_cache_search): Likewise.
(__nscd_get_nl_timestamp): Likewise.
(__nscd_getpwnam_r): Likewise.
(__nscd_getpwuid_r): Likewise.
(__nscd_getgrnam_r): Likewise.
(__nscd_getgrgid_r): Likewise.
(__nscd_gethostbyname_r): Likewise.
(__nscd_gethostbyname2_r): Likewise.
(__nscd_gethostbyaddr_r): Likewise.
(__nscd_getai): Likewise.
(__nscd_getgrouplist): Likewise.
(__nscd_getservbyname_r): Likewise.
(__nscd_getservbyport_r): Likewise.
(__nscd_innetgr): Likewise.
(__nscd_setnetgrent): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a2ca165230cfa951605e5904be838c3e3e04be0b
commit a2ca165230cfa951605e5904be838c3e3e04be0b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:15:15 2017 -0700
Mark internal gmp functions with attribute_hidden [BZ #18822]
Mark internal gmp functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/gmp.h: Declare internal functions only if _ISOMAC is
undefined.
(__mpn_extract_double): Add attribute_hidden.
(__mpn_extract_long_double): Likewise.
(__mpn_extract_float128): Likewise.
(__mpn_construct_float): Likewise.
(__mpn_construct_double): Likewise.
(__mpn_construct_long_double): Likewise.
(__mpn_construct_float128): Likewise.
(mpn_add_1): Likewise.
(mpn_addmul_1): Likewise.
(mpn_add_n): Likewise.
(mpn_cmp): Likewise.
(mpn_divrem): Likewise.
(mpn_lshift): Likewise.
(mpn_mul): Likewise.
(mpn_mul_1): Likewise.
(mpn_rshift): Likewise.
(mpn_sub_1): Likewise.
(mpn_submul_1): Likewise.
(mpn_sub_n): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=44af8a32c341672b5160fdc2839767e9a837ad26
commit 44af8a32c341672b5160fdc2839767e9a837ad26
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:14:17 2017 -0700
Mark internal wchar functions with attribute_hidden [BZ #18822]
Mark internal wchar functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/wchar.h (__wcsnlen): Add attribute_hidden.
(__wcscat): Likewise.
(__btowc): Likewise.
(__wcrtomb): Likewise.
(__mbsrtowcs): Likewise.
(__wcsrtombs): Likewise.
(__mbsnrtowcs): Likewise.
(__wcsnrtombs): Likewise.
(__wcsncpy): Likewise.
(__wcpncpy): Likewise.
(__wmemcpy): Likewise.
(__wmempcpy): Likewise.
(__wmemmove): Likewise.
(__wcschrnul): Likewise.
(__vfwscanf): Likewise.
(__vswprintf): Likewise.
(__fwprintf): Likewise.
(__vfwprintf): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=783cd767af5f3746b639f76b1de5e0e3c3d64683
commit 783cd767af5f3746b639f76b1de5e0e3c3d64683
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:12:57 2017 -0700
Mark internal grp/pwd/shadow functions with attribute_hidden [BZ #18822]
Mark internal grp/pwd/shadow functions with attribute_hidden to allow
direct access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/grp.h (__fgetgrent_r): Add attribute_hidden.
(__getgrgid_r): Likewise.
(__getgrnam_r): Likewise.
* include/pwd.h (__getpwuid_r): Likewise.
(__getpwnam_r): Likewise.
(__fgetpwent_r): Likewise.
* include/shadow.h (__getspnam_r): Likewise.
(__sgetspent_r): Likewise.
(__fgetspent_r): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7ec4b39ac484ba65e011dde4e8ff0b7f478efc7c
commit 7ec4b39ac484ba65e011dde4e8ff0b7f478efc7c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:11:40 2017 -0700
Mark internal unistd functions with attribute_hidden [BZ #18822]
Mark internal unistd functions with attribute_hidden to allow direct
access to them within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/unistd.h (__access): Add attribute_hidden.
(__lseek64): Likewise.
(__libc_pread64): Likewise.
(__pipe2): Likewise.
(__sleep): Likewise.
(__chdir): Likewise.
(__fchdir): Likewise.
(__getcwd): Likewise.
(__rmdir): Likewise.
(__execvpe): Likewise.
(__execve): Likewise.
(__setsid): Likewise.
(__getuid): Likewise.
(__geteuid): Likewise.
(__getgid): Likewise.
(__getegid): Likewise.
(__getgroups): Likewise.
(__group_member): Likewise.
(__ttyname_r): Likewise.
(__isatty): Likewise.
(__readlink): Likewise.
(__unlink): Likewise.
(__gethostname): Likewise.
(__profil): Likewise.
(__getdtablesize): Likewise.
(__brk): Likewise.
(__ftruncate): Likewise.
(__ftruncate64): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8345a76018851ba52e05216e3d7c772e24d5da44
commit 8345a76018851ba52e05216e3d7c772e24d5da44
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:10:12 2017 -0700
Mark internal argp functions with attribute_hidden [BZ #18822]
Mark internal argp functions with attribute_hidden to allow direct
access to them within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* argp/argp-fmtstream.c: Include <argp-fmtstream.h>.
* argp/argp-fs-xinl.c: Likewise.
* argp/argp-help.c: Include <argp.h> and <argp-fmtstream.h>.
* argp/argp-parse.c: Include <argp.h>.
* argp/argp-xinl.c: Likewise.
* include/argp-fmtstream.h: New file.
* include/argp.h (__argp_error): Add attribute_hidden.
(__argp_failure): Likewise.
(__argp_input): Likewise.
(__argp_state_help): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c26dd7c600a2192d031efa2a0fb28b1ded85bf1d
commit c26dd7c600a2192d031efa2a0fb28b1ded85bf1d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:09:11 2017 -0700
Mark ____wcsto*_l_internal functions with attribute_hidden [BZ #18822]
Mark ____wcsto*_l_internal functions with attribute_hidden to allow
direct access to them within libc.so and libc.a without using GOT nor
PLT.
[BZ #18822]
* include/wchar.h (____wcstof_l_internal): New prototype.
(____wcstod_l_internal): Likewise.
(____wcstold_l_internal): Likewise.
(____wcstol_l_internal): Likewise.
(____wcstoul_l_internal): Likewise.
(____wcstoll_l_internal): Likewise.
(____wcstoull_l_internal): Likewise.
(____wcstof128_l_internal): Likewise.
* sysdeps/ieee754/float128/wcstof128.c
(____wcstof128_l_internal): Removed.
* sysdeps/ieee754/float128/wcstof128_l.c
(____wcstof128_l_internal): Likewise.
* wcsmbs/wcstod.c (____wcstod_l_internal): Likewise.
* wcsmbs/wcstod_l.c (____wcstod_l_internal): Likewise.
* wcsmbs/wcstof.c (____wcstof_l_internal): Likewise.
* wcsmbs/wcstof_l.c (____wcstof_l_internal): Likewise.
* wcsmbs/wcstol_l.c (____wcstol_l_internal): Likewise.
* wcsmbs/wcstold.c (____wcstold_l_internal): Likewise.
* wcsmbs/wcstold_l.c (____wcstold_l_internal): Likewise.
* wcsmbs/wcstoll_l.c (____wcstoll_l_internal): Likewise.
* wcsmbs/wcstoul_l.c (____wcstoul_l_internal): Likewise.
* wcsmbs/wcstoull_l.c (____wcstoull_l_internal): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3aff56444e96300fba1e2c25bd0b2545613a20fa
commit 3aff56444e96300fba1e2c25bd0b2545613a20fa
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:08:14 2017 -0700
Mark __internal_statvfs[64] with attribute_hidden [BZ #18822]
Mark __internal_statvfs[64] with attribute_hidden to allow direct access
to them within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/fstatvfs.c: Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs): Removed.
* sysdeps/unix/sysv/linux/fstatvfs64.c Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs64): Removed.
* sysdeps/unix/sysv/linux/internal_statvfs.c: Include
"internal_statvfs.h" instead of <sys/statvfs.h>.
* sysdeps/unix/sysv/linux/internal_statvfs.h: New file.
* sysdeps/unix/sysv/linux/statvfs.c Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs): Removed.
* sysdeps/unix/sysv/linux/statvfs64.c Include "internal_statvfs.h"
instead of <sys/statvfs.h>.
(__internal_statvfs64): Removed.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8bcdb7e0c5346d2e9d61b208d80fd8213e1dbd90
commit 8bcdb7e0c5346d2e9d61b208d80fd8213e1dbd90
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:07:06 2017 -0700
Mark internal functions with attribute_hidden [BZ #18822]
Mark internal functions with attribute_hidden to allow direct access to
internal functions within libc.so and libc.a without using GOT nor PLT.
Size comparison of libc.so:
On x86-64:
text data bss dec hex
Before: 1728577 20584 17088 1766249 1af369
After : 1728593 20584 17088 1766265 1af379
The only change is __gconv_release_shlib in iconv/gconv_dl.c is inlined
since it is hidden, which increases the code size of gconv_dl.os by 18
bytes.
On i686:
text data bss dec hex
Before: 1869039 11444 11112 1891595 1cdd0b
After : 1868635 11444 11112 1891191 1cdb77
The code size is decreased by avoiding GOT/PLT for hidden functions.
[BZ #18822]
* iconv/gconv_int.h (__gconv_open): Add attribute_hidden.
(__gconv_close): Likewise.
(__gconv): Likewise.
(__gconv_find_transform): Likewise.
(__gconv_lookup_cache): Likewise.
(__gconv_compare_alias_cache): Likewise.
(__gconv_load_cache): Likewise.
(__gconv_get_path): Likewise.
(__gconv_close_transform): Likewise.
(__gconv_release_cache): Likewise.
(__gconv_find_shlib): Likewise.
(__gconv_release_shlib): Likewise.
(__gconv_get_builtin_trans): Likewise.
(__gconv_compare_alias): Likewise.
* include/dlfcn.h (_dlerror_run): Likewise.
* include/stdio.h (__fortify_fail_abort): Likewise.
* include/time.h (__tz_compute): Likewise.
(__strptime_internal): Likewise.
* intl/gettextP.h (_nl_find_domain): Likewise.
(_nl_load_domain): Likewise.
(_nl_find_msg): Likewise.
* intl/plural-exp.h (FREE_EXPRESSION): Likewise.
(EXTRACT_PLURAL_EXPRESSION): Likewise.
* locale/coll-lookup.h (__collidx_table_lookup): Likewise.
* resolv/gai_misc.h (__gai_enqueue_request): Likewise.
(__gai_find_request): Likewise.
(__gai_remove_request): Likewise.
(__gai_notify): Likewise.
(__gai_notify_only): Likewise.
* sysdeps/generic/aio_misc.h (__aio_sigqueue): Likewise.
* sysdeps/generic/ldsodefs.h (_dl_fini): Likewise.
(_dl_non_dynamic_init): Likewise.
(_dl_aux_init): Likewise.
* sysdeps/i386/machine-gmon.h (mcount_internal): Likewise.
* sysdeps/unix/sysv/linux/i386/olddirent.h (__old_getdents64):
Likewise.
* wcsmbs/wcsmbsload.h (__wcsmbs_load_conv): Likewise.
(__wcsmbs_clone_conv): Likewise.
(__wcsmbs_named_conv): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 280 ++++++++++++++++++++
argp/argp-fmtstream.c | 2 +-
argp/argp-fs-xinl.c | 2 +-
argp/argp-help.c | 4 +-
argp/argp-parse.c | 2 +-
argp/argp-xinl.c | 2 +-
iconv/gconv_int.h | 43 ++-
include/aliases.h | 3 +-
include/argp-fmtstream.h | 19 ++
include/argp.h | 10 +
include/dlfcn.h | 3 +-
include/gmp.h | 33 ++-
include/grp.h | 6 +-
include/gshadow.h | 6 +-
include/netdb.h | 30 ++-
include/pwd.h | 6 +-
include/rpc/netdb.h | 4 +-
include/shadow.h | 7 +-
include/stdio.h | 20 +-
include/sys/statfs.h | 9 +-
include/sys/statvfs.h | 6 +-
include/time.h | 30 ++-
include/unistd.h | 60 +++--
include/wchar.h | 61 ++++-
intl/gettextP.h | 12 +-
intl/plural-exp.h | 5 +-
locale/coll-lookup.h | 6 +-
nscd/nscd-client.h | 12 +-
nscd/nscd_proto.h | 34 ++-
nss/getXXbyYY.c | 3 +-
resolv/gai_misc.h | 15 +-
stdlib/gmp-impl.h | 12 +-
sysdeps/generic/aio_misc.h | 3 +-
sysdeps/generic/ldsodefs.h | 8 +-
sysdeps/i386/machine-gmon.h | 2 +-
sysdeps/ieee754/float128/wcstof128.c | 3 -
sysdeps/ieee754/float128/wcstof128_l.c | 3 -
sysdeps/unix/sysv/linux/fstatvfs.c | 6 +-
sysdeps/unix/sysv/linux/fstatvfs64.c | 7 +-
sysdeps/unix/sysv/linux/internal_statvfs.c | 2 +-
.../unix/sysv/linux/internal_statvfs.h | 19 +-
sysdeps/unix/sysv/linux/olddirent.h | 3 +-
sysdeps/unix/sysv/linux/pathconf.h | 12 +-
sysdeps/unix/sysv/linux/statvfs.c | 6 +-
sysdeps/unix/sysv/linux/statvfs64.c | 7 +-
wcsmbs/wcsmbsload.h | 9 +-
wcsmbs/wcstod.c | 3 -
wcsmbs/wcstod_l.c | 3 -
wcsmbs/wcstof.c | 3 -
wcsmbs/wcstof_l.c | 3 -
wcsmbs/wcstol_l.c | 3 -
wcsmbs/wcstold.c | 3 -
wcsmbs/wcstold_l.c | 3 -
wcsmbs/wcstoll_l.c | 3 -
wcsmbs/wcstoul_l.c | 3 -
wcsmbs/wcstoull_l.c | 4 -
56 files changed, 626 insertions(+), 242 deletions(-)
create mode 100644 include/argp-fmtstream.h
copy bits/stdint-intn.h => sysdeps/unix/sysv/linux/internal_statvfs.h (69%)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Sun, 01 Oct 2017 23:14:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18822
--- Comment #71 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at 564fd3712068200d3659f43bca63537bde7b525b (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=564fd3712068200d3659f43bca63537bde7b525b
commit 564fd3712068200d3659f43bca63537bde7b525b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a3fbc16706ad26d094d38bc1862f6069c203f944
commit a3fbc16706ad26d094d38bc1862f6069c203f944
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 29 01:07:53 2017 -0700
tile: Check SHARED instead PIC for SYSCALL_ERROR_NAME
For static PIE code, PIC is defined and SHARED is undefined. We
should check SHARED instead PIC for SYSCALL_ERROR_NAME.
* sysdeps/unix/sysv/linux/tile/sysdep.h (SYSCALL_ERROR_NAME):
Check SHARED instead PIC.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f29948104a576cb38ecde6148f7e24a8d5c44d91
commit f29948104a576cb38ecde6148f7e24a8d5c44d91
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8a17e75fe7cde79e02f56729d7338ff28fe4f0a5
commit 8a17e75fe7cde79e02f56729d7338ff28fe4f0a5
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=31751c2b427bd591f84471891621dc63318eb124
commit 31751c2b427bd591f84471891621dc63318eb124
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=45c66102112767bc989d49cf515f7914116121eb
commit 45c66102112767bc989d49cf515f7914116121eb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3513a4d38be5186c2b109f162b1400acde53109
commit b3513a4d38be5186c2b109f162b1400acde53109
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=45b1c08883d1f20b9e832b91e27d0c02e074d824
commit 45b1c08883d1f20b9e832b91e27d0c02e074d824
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:59:00 2017 -0700
tile: Update elf_machine_load_address for static PIE
tile uses _DYNAMIC to compute load address, which works with static PIE.
We just need to return 0 if _DYNAMIC is undefined for static executable.
* sysdeps/tile/dl-machine.h (elf_machine_load_address): Return 0
if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7583ff6e18f3fa4eabc5e9c21065475f16802f4a
commit 7583ff6e18f3fa4eabc5e9c21065475f16802f4a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:57:09 2017 -0700
sparc: Update elf_machine_load_address for static PIE
sparc uses a local label to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_dynamic): Return
0 if _DYNAMIC is undefined for static executable.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e3e46e81264b44842a1b5f0cfedae88bd7dce2e7
commit e3e46e81264b44842a1b5f0cfedae88bd7dce2e7
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aac23fa9e6b56a605a314fe8177d2dc3912792e1
commit aac23fa9e6b56a605a314fe8177d2dc3912792e1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a23c8b2f091e0e1f2647bcc1df83b5c1bb1d5998
commit a23c8b2f091e0e1f2647bcc1df83b5c1bb1d5998
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:51:41 2017 -0700
powerpc32: Update elf_machine_load_address for static PIE
powerpc32 uses _DYNAMIC to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_load_address):
Return 0 if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=015f2e4770152d467595dc8c0c3e3845ce5bda37
commit 015f2e4770152d467595dc8c0c3e3845ce5bda37
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:50:10 2017 -0700
nios2: Update elf_machine_load_address for static PIE
nios2 uses a local label to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/nios2/dl-machine.h (elf_machine_dynamic): Return 0 if
_DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eedf9b4822d848ef1ef30e7a43ac9b06703ab98f
commit eedf9b4822d848ef1ef30e7a43ac9b06703ab98f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:47:20 2017 -0700
microblaze: Update elf_machine_load_address for static PIE
microblaze uses _DYNAMIC to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/microblaze/dl-machine.h (elf_machine_load_address):
Return 0 if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a4b207d2a8516804209204e79fb3c515cb6932b9
commit a4b207d2a8516804209204e79fb3c515cb6932b9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bf10de53783a770b0e1706541df3de6ca58b175f
commit bf10de53783a770b0e1706541df3de6ca58b175f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:44:46 2017 -0700
ia64: Update elf_machine_load_address for static PIE
ia64 uses a local label to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/ia64/dl-machine.h (elf_machine_dynamic): Return 0 if
_DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=357a9c0b0f901a7672cb45073f16fe324e190a68
commit 357a9c0b0f901a7672cb45073f16fe324e190a68
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:42:18 2017 -0700
hppa: Update elf_machine_load_address for static PIE
hppa uses _DYNAMIC to compute load address, which works with static PIE.
We just need to return 0 if _DYNAMIC is undefined for static executable.
* sysdeps/hppa/dl-machine.h (elf_machine_load_address): Return 0
if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dab877ccc5a766e74eb67fb9a9c65258496bae92
commit dab877ccc5a766e74eb67fb9a9c65258496bae92
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=16c4bc96bd9b7d72c3385239d0b3557bcf6ca8ef
commit 16c4bc96bd9b7d72c3385239d0b3557bcf6ca8ef
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 15:37:10 2017 -0700
Don't use hidden visibility in libc.a with PIE on i386
On i386, when multi-arch is enabled, all external functions must be
called via PIC PLT in PIE, which requires setting up EBX register,
since they may be IFUNC functions.
* config.h.in (NO_HIDDEN_EXTERN_FUNC_IN_PIE): New.
* include/libc-symbols.h (__hidden_proto_hiddenattr): Add check
for PIC and NO_HIDDEN_EXTERN_FUNC_IN_PIE.
* sysdeps/i386/configure.ac (NO_HIDDEN_EXTERN_FUNC_IN_PIE): New
AC_DEFINE if multi-arch is enabled.
* sysdeps/i386/configure: Regenerated.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=26953cdecfd73b63352e1acd349671b4dbf4ec90
commit 26953cdecfd73b63352e1acd349671b4dbf4ec90
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
Static PIE can work on all architectures which support PIE, provided
1. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, arm, hppa,
m68k, microblaze and sparc.
2. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
3. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
4. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, arm, hppa, ia64, m68k, microblaze,
mips, nios2, powerpc, s390, sh, sparc and tile.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
Binutils 2.29 or above are OK for x86-64. But linker status for other
targets need to be verified.
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
* INSTALL: Regenerated.
* Makeconfig (pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Add $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* elf/dl-support.c: Include "dynamic-link.h" and don't include
"get-dynamic-info.h" for --enable-static-pie.
(_dl_relocate_static_pie): New function for --enable-static-pie.
(STATIC_PIE_BOOTSTRAP): New for --enable-static-pie.
(BOOTSTRAP_MAP): Likewise.
(RESOLVE_MAP): Likewise.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/x86_64/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure: Regenerated.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e69fe23f7999b9b2f1f2477b831c043b4412215e
commit e69fe23f7999b9b2f1f2477b831c043b4412215e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 29 01:09:48 2017 -0700
ld.so: Replace (&bootstrap_map) with BOOTSTRAP_MAP
(&_dl_main_map) is used instead of (&bootstrap_map) to bootstrap static
PIE. Define BOOTSTRAP_MAP with (&_dl_main_map) to avoid hardcode to
(&bootstrap_map).
* elf/rtld.c (BOOTSTRAP_MAP): New.
(RESOLVE_MAP): Replace (&bootstrap_map) with BOOTSTRAP_MAP.
* sysdeps/hppa/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC):
Likewise.
* sysdeps/ia64/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC):
Likewise.
* sysdeps/mips/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8369d216dcc0e192e0e1243d9dad443e68f13f06
commit 8369d216dcc0e192e0e1243d9dad443e68f13f06
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:12:08 2017 -0700
Hide internal __get_sol function [BZ #18822]
Hide internal __get_sol function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/getsourcefilter.c: Include
"getsourcefilter.h".
* sysdeps/unix/sysv/linux/getsourcefilter.h: New file.
* sysdeps/unix/sysv/linux/setsourcefilter.c: Include
"getsourcefilter.h".
(__get_sol): Removed.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a0aef7830eb0698f72129b647be8c00cdf0c7938
commit a0aef7830eb0698f72129b647be8c00cdf0c7938
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:09:20 2017 -0700
Move hidden_proto (__dl_iterate_phdr) to include/link.h [BZ #18822]
__dl_iterate_phdr is hidden and should be accessed directly within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* elf/dl-iteratephdr.c (hidden_proto (__dl_iterate_phdr)): Moved
to ...
* include/link.h (hidden_proto (__dl_iterate_phdr)): Here.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3ee8209be761210dc6a8f121fd79231e7f364a9b
commit 3ee8209be761210dc6a8f121fd79231e7f364a9b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:08:25 2017 -0700
Hide internal __bsd_getpt function [BZ #18822]
Hide internal __bsd_getpt function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/getpt.c (__bsd_getpt): Add
attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6036fc38bf50d61ac5f09a435ce4622b586238ed
commit 6036fc38bf50d61ac5f09a435ce4622b586238ed
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:07:30 2017 -0700
Hide internal __fopen_maybe_mmap function [BZ #18822]
Hide internal __fopen_maybe_mmap function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* libio/iolibio.h (__fopen_maybe_mmap): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fe84fed04800bc5becb9fba84db98f58007e77f3
commit fe84fed04800bc5becb9fba84db98f58007e77f3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:06:43 2017 -0700
Hide internal __tdestroy function [BZ #18822]
Hide internal __tdestroy function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/search.h (__tdestroy): Add libc_hidden_proto.
* misc/tsearch.c (__tdestroy): Add libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=048dd6813f36c31fa21871d840a0b62f1c3a590f
commit 048dd6813f36c31fa21871d840a0b62f1c3a590f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:06:00 2017 -0700
Hide internal __assert_fail_base function [BZ #18822]
Hide internal __assert_fail_base function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/assert.h (__assert_fail_base): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6e342af6e7399c96246c6174802e84d46a176ffa
commit 6e342af6e7399c96246c6174802e84d46a176ffa
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:05:10 2017 -0700
Hide internal __sysinfo function [BZ #18822]
Hide internal __sysinfo function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/include/sys/sysinfo.h (__sysinfo): Add
attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6a088436d4c04b8081e86f9e856f10fba97d0612
commit 6a088436d4c04b8081e86f9e856f10fba97d0612
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:04:26 2017 -0700
Hide internal signal functions [BZ #18822]
Hide internal signal functions to allow direct access within libc.so and
libc.a without using GOT nor PLT.
__GI___kill and __GI___sigaltstack are defined when syscalls.list is
used to generate them. Otherwise libc_hidden_def is needed explicitly.
[BZ #18822]
* include/signal.h (__kill): Add libc_hidden_proto.
(__sigblock): Likewise.
(__sigprocmask): Likewise.
(__sigaltstack): Likewise.
* signal/kill.c (__kill): Add libc_hidden_def.
* signal/sigblock.c (__sigblock): Likewise.
* signal/sigprocmask.c (__sigprocmask): Likewise.
* sysdeps/mach/hurd/kill.c (__kill): Likewise.
* sysdeps/mach/hurd/sigaltstack.c (__sigaltstack): Likewise.
* sysdeps/mach/hurd/sigprocmask.c (__sigprocmask): Likewise.
* sysdeps/posix/sigblock.c (__sigblock): Likewise.
* sysdeps/unix/sysv/linux/alpha/sigprocmask.c (__sigprocmask):
Likewise.
* sysdeps/unix/sysv/linux/ia64/sigprocmask.c (__sigprocmask):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sigprocmask.c
(__sigprocmask): Likewise.
* sysdeps/unix/sysv/linux/sigprocmask.c (__sigprocmask):
Likewise.
* /sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c
(__sigprocmask): Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigprocmask.c (__sigprocmask):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=78cf1d74d28c9312d888dea1ad3de01d38c5fc4a
commit 78cf1d74d28c9312d888dea1ad3de01d38c5fc4a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:03:28 2017 -0700
Hide internal __strsep function [BZ #18822]
Hide internal __strsep function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* include/string.h (__strsep): Add libc_hidden_proto.
* string/strsep.c (__strsep): Add libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=85b358949d506ddc7c35301e7ae1316d2036a736
commit 85b358949d506ddc7c35301e7ae1316d2036a736
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:02:41 2017 -0700
Hide __posix_spawn_file_actions_realloc/__spawni [BZ #18822]
Hide internal __posix_spawn_file_actions_realloc and /__spawni functions
to allow direct access within libc.so and libc.a without using GOT nor
PLT.
[BZ #18822]
* posix/spawn_int.h (__posix_spawn_file_actions_realloc): Add
attribute_hidden.
(__spawni): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=225f7eec85b83ad38a1c92dbb16a843732a25899
commit 225f7eec85b83ad38a1c92dbb16a843732a25899
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:01:43 2017 -0700
Hide internal __mremap function [BZ #18822]
Hide internal __mremap function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
__GI___mremap is defined when sysdeps/unix/syscalls.list is used to
generate mremap. Otherwise libc_hidden_def is needed explicitly.
[BZ #18822]
* include/sys/mman.h (__mremap): Add libc_hidden_proto.
* sysdeps/unix/sysv/linux/m68k/mremap.S (__mremap): Add
libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=372fe247b11eb4079f93f11f3f20d14bc6c2c57f
commit 372fe247b11eb4079f93f11f3f20d14bc6c2c57f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 16:00:05 2017 -0700
Hide internal __malloc_check_init function [BZ #18822]
Hide internal __malloc_check_init function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/malloc.h (__malloc_check_init): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9e5ee8b839175b7f48d2e64e87d1e3da8fa6458f
commit 9e5ee8b839175b7f48d2e64e87d1e3da8fa6458f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:58:52 2017 -0700
Hide internal __ioctl function [BZ #18822]
Hide internal __ioctl function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
__GI___ioctl is defined when sysdeps/unix/syscalls.list is used to
generate ioctl. Otherwise libc_hidden_def is needed explicitly.
[BZ #18822]
* include/sys/ioctl.h (__ioctl): Add libc_hidden_proto.
* misc/ioctl.c (__ioctl): Add libc_hidden_def.
* sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/aarch64/ioctl.S (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/ioctl.S (__ioctl):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/ioctl.c (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/ioctl.S (__ioctl): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2ff16592d8a6b873467c9348f609738973217288
commit 2ff16592d8a6b873467c9348f609738973217288
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:58:05 2017 -0700
Mark internal intl functions with attribute_hidden [BZ #18822]
Mark internal intl functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* intl/gettextP.h (__dcngettext): Add attribute_hidden.
(__dcigettext): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b5648377d923d790dd7e995d79d480066b25e6bb
commit b5648377d923d790dd7e995d79d480066b25e6bb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:57:00 2017 -0700
Hide internal sysinfo functions [BZ #18822]
Hide internal sysinfo functions to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/sysinfo.h (__get_nprocs_conf): Add
libc_hidden_proto.
(__get_nprocs): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
(__get_child_max): Add attribute_hidden.
* misc/getsysstats.c (__get_nprocs_conf): Add libc_hidden_def.
(__get_nprocs): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
* sysdeps/mach/getsysstats.c (__get_nprocs_conf): Add
libc_hidden_def.
(__get_nprocs): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
* sysdeps/unix/sysv/linux/getsysstats.c (__get_nprocs): Add
libc_hidden_def.
(__get_nprocs_conf): Likewise.
(__get_phys_pages): Likewise.
(__get_avphys_pages): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0389a6aaae6d07f69de5b42345293ec578337de2
commit 0389a6aaae6d07f69de5b42345293ec578337de2
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:56:04 2017 -0700
Mark internal netlink functions with attribute_hidden [BZ #18822]
Mark internal netlink functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/netlinkaccess.h (__netlink_open): Add
attribute_hidden.
(__netlink_close): Likewise.
(__netlink_free_handle): Likewise.
(__netlink_request): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d48354d86087ba63acb7e2b20fb604c0b6ba4352
commit d48354d86087ba63acb7e2b20fb604c0b6ba4352
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:54:51 2017 -0700
Mark internal rpc functions with attribute_hidden [BZ #18822]
Mark internal rpc functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/rpc/rpc.h (__rpc_thread_variables): Add
attribute_hidden.
(__rpc_thread_svc_cleanup): Likewise.
(__rpc_thread_clnt_cleanup): Likewise.
(__rpc_thread_key_cleanup): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6daff12617290d4dfb499ed8425d33a48d844ba
commit d6daff12617290d4dfb499ed8425d33a48d844ba
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:53:52 2017 -0700
Hide __readv and __writev [BZ #18822]
Hide internal __readv and __writev functions to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/uio.h (__readv): Add libc_hidden_proto.
(__writev): Likewise.
* misc/readv.c (__readv): Add libc_hidden_def.
* misc/writev.c (__writev): Likewise.
* sysdeps/posix/readv.c (__readv): Likewise.
* sysdeps/posix/writev.c (__writev): Likewise.
* sysdeps/unix/sysv/linux/readv.c: Include <sys/uio.h>.
(__readv): Likewise.
* sysdeps/unix/sysv/linux/writev.c: Include <sys/uio.h>.
(__writev): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b68f8620561d7658b475eb512978d3c33d8a4547
commit b68f8620561d7658b475eb512978d3c33d8a4547
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:52:56 2017 -0700
Hide internal regex functions [BZ #18822]
Hide internal regex functions to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* include/regex.h (__re_compile_fastmap): Add attribute_hidden.
(__regcomp): Add libc_hidden_proto.
(__regexec): Likewise.
(__regfree): Likewise.
* posix/regcomp.c (__regcomp): Add libc_hidden_def.
(__regfree): Likewise.
* posix/regexec.c (__regexec): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=59c04e67631d370738b80923d42d4d1539d8f95f
commit 59c04e67631d370738b80923d42d4d1539d8f95f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:51:44 2017 -0700
Mark internal utmp functions with attribute_hidden [BZ #18822]
Mark internal utmp functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/utmp.h (__updwtmp): Add libc_hidden_proto.
(__getutent): Likewise.
(__getutid): Likewise.
(__getutline): Likewise.
(__pututline): Likewise.
(__getutent_r): Likewise.
(__getutid_r): Likewise.
(__getutline_r): Likewise.
(__utmpname): Add attribute_hidden.
(__setutent): Likewise.
(__endutent): Likewise.
* login/getutent.c (__getutent): Add libc_hidden_def.
* login/getutent_r.c (__getutent_r): Likewise.
(__pututline): Likewise.
* login/getutid.c (__getutid): Likewise.
* login/getutid_r.c (__getutid_r): Likewise.
* login/getutline.c (__getutline): Likewise.
* login/getutline_r.c (__getutline_r): Likewise.
* login/updwtmp.c (__updwtmp): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4587a421c54a8912b3e24913c7e1501293042b40
commit 4587a421c54a8912b3e24913c7e1501293042b40
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 15:50:56 2017 -0700
Mark internal dirent functions with attribute_hidden [BZ #18822]
Mark internal dirent functions with attribute_hidden to allow direct
access within libc.so and libc.a without using GOT nor PLT. __readdir64
is hidden with libc_hidden_proto and libc_hidden_def since the exported
readdir64 is an alias of __readdir64.
[BZ #18822]
* include/dirent.h (__opendir): Always add attribute_hidden.
(__fdopendir): Likewise.
(__closedir): Likewise.
(__readdir): Likewise.
(__readdir64): Add libc_hidden_proto.
* sysdeps/mach/hurd/readdir64.c (__readdir64): Add libc_hidden_def.
* sysdeps/unix/sysv/linux/i386/readdir64.c (__readdir64): Likewise.
* sysdeps/unix/sysv/linux/readdir64.c (__readdir64): Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/readdir.c (__GI___readdir64):
New alias.
-----------------------------------------------------------------------
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>From glibc-bugs-return-39093-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 01 23:16:31 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug nptl/22153] nptl: save error code before process termination
Date: Sun, 01 Oct 2017 23:16:00 -0000
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--- Comment #2 from peter.zelezny at dektech dot com.au <peter.zelezny at dektech dot com.au> ---
Newer version was on the mailing list:
https://sourceware.org/ml/libc-alpha/2017-09/msg00765.html
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Mon, 02 Oct 2017 01:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18822
--- Comment #72 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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via d0a4512bd437c8caebc0e6ce295e4e0a5079e6b3 (commit)
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Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=397286ea93ad30c24a5dad7928d0056c7b7d603d
commit 397286ea93ad30c24a5dad7928d0056c7b7d603d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 18:05:52 2017 -0700
Hide internal fadvise64/fallocate64 functions [BZ #18822]
Hide internal fadvise64/fallocate64 functions to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/posix_fadvise64.c
(__posix_fadvise64_l64): Add Add libc_hidden_proto and
libc_hidden_def.
* sysdeps/unix/sysv/linux/posix_fallocate64.c
(__posix_fallocate64_l64): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d0a4512bd437c8caebc0e6ce295e4e0a5079e6b3
commit d0a4512bd437c8caebc0e6ce295e4e0a5079e6b3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 18:03:46 2017 -0700
Hide internal __sched_setaffinity_new function [BZ #18822]
Hide internal __sched_setaffinity_new function to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/sched_setaffinity.c
(__sched_setaffinity_new): Add libc_hidden_proto and
libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c0769f7031b8293e7dc2762bff98d75691fe6a0d
commit c0769f7031b8293e7dc2762bff98d75691fe6a0d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 18:01:54 2017 -0700
Hide internal __glob64 function [BZ #18822]
Hide internal __glob64 function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/glob.h (__glob64): Add libc_hidden_proto.
* sysdeps/unix/sysv/linux/glob64.c (__glob64): Add
libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0e7d5b6e241b3e367b806f65f6df1e7469af68fa
commit 0e7d5b6e241b3e367b806f65f6df1e7469af68fa
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:59:51 2017 -0700
Hide internal __new_getrlimit function [BZ #18822]
Hide internal __new_getrlimit function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/getrlimit64.c (__new_getrlimit): Add
attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bde06c87b7de97b5cd4721414b11af6e0d09187e
commit bde06c87b7de97b5cd4721414b11af6e0d09187e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:58:08 2017 -0700
Hide internal __new_exitfn function [BZ #18822]
Hide internal __new_exitfn function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* stdlib/exit.h (__new_exitfn): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fa4265909edaa5118f7860f452e2fb9da48d0f6e
commit fa4265909edaa5118f7860f452e2fb9da48d0f6e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:56:46 2017 -0700
Hide internal __moncontrol function [BZ #18822]
Hide internal __moncontrol function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* mon/gmon.c (__moncontrol): Add libc_hidden_proto and
libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2f8a05d826f554210eb2bec8dd6344c9615e00d7
commit 2f8a05d826f554210eb2bec8dd6344c9615e00d7
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:55:11 2017 -0700
Hide internal __libc_print_version function [BZ #18822]
Hide internal __libc_print_version function to allow direct access
within libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* csu/version.c (__libc_print_version): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7bfd08ac5be538a2beaa48f029944e01fb3b5d7a
commit 7bfd08ac5be538a2beaa48f029944e01fb3b5d7a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:53:31 2017 -0700
Hide internal __init_misc function [BZ #18822]
Hide internal __init_misc function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/libc-internal.h (__init_misc): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0e1fd06cde496eb4f3cefdbee44e794ab5d52cb7
commit 0e1fd06cde496eb4f3cefdbee44e794ab5d52cb7
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:52:15 2017 -0700
Hide internal __setfpucw function [BZ #18822]
Hide internal __setfpucw function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/fpu_control.h (__setfpucw): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=36e7ae1e9d3b6a434e119aab4d10176aaaddf0c3
commit 36e7ae1e9d3b6a434e119aab4d10176aaaddf0c3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:49:47 2017 -0700
Hide internal __nis_hash function [BZ #18822]
Hide internal __nis_hash function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* nscd/nscd_helper.c (__nis_hash): New prototype.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=87078544f24cfbd355bf2f7e63a0d01ff7c96cca
commit 87078544f24cfbd355bf2f7e63a0d01ff7c96cca
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:48:11 2017 -0700
Hide internal __tcgetattr function [BZ #18822]
Hide internal __tcgetattr function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/termios.h (__tcgetattr): Add libc_hidden_proto.
* sysdeps/unix/bsd/tcgetattr.c (__tcgetattr): Add
libc_hidden_def.
* sysdeps/unix/sysv/linux/tcgetattr.c (__tcgetattr): Likewise.
* termios/tcgetattr.c (__tcgetattr): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dd3121df08d5ee44ba770d12365022aa802fb364
commit dd3121df08d5ee44ba770d12365022aa802fb364
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:46:39 2017 -0700
Hide internal __setrlimit function [BZ #18822]
Hide internal __setrlimit function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/sys/resource.h (__setrlimit): Add libc_hidden_proto.
* resource/setrlimit.c (__setrlimit): Add libc_hidden_def.
* sysdeps/mach/hurd/setrlimit.c (__setrlimit): Likewise.
* sysdeps/unix/sysv/linux/setrlimit.c (__setrlimit): Likewise.
* sysdeps/unix/sysv/linux/setrlimit64.c (__GI___setrlimit): New.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=047d1a81fd82db4cd7458fec37230f3b31b414e9
commit 047d1a81fd82db4cd7458fec37230f3b31b414e9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:44:52 2017 -0700
Hide internal __vstrfmon_l function [BZ #18822]
Hide internal __vstrfmon_l function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/monetary.h (__vstrfmon_l): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fd331b1179df7fef8016273fb26f5f054793875a
commit fd331b1179df7fef8016273fb26f5f054793875a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:43:13 2017 -0700
Hide internal __sched_setparam function [BZ #18822]
Hide internal __sched_setparam function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
__GI___sched_setparam is defined when sysdeps/unix/syscalls.list is
used to generate sched_setparam. Otherwise libc_hidden_def is needed
explicitly.
[BZ #18822]
* include/sched.h (__sched_setparam): Add libc_hidden_proto.
* posix/sched_setp.c (__sched_setparam): Add libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=57f859bdb7be1acb7eea48aba8edf0c6b5900191
commit 57f859bdb7be1acb7eea48aba8edf0c6b5900191
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:41:20 2017 -0700
Hide internal __hash_string function [BZ #18822]
Hide internal __hash_string function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* intl/hash-string.h (__hash_string): Add attribute_hidden.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d19033298f832f5b3e10da6f07e7959f0483df74
commit d19033298f832f5b3e10da6f07e7959f0483df74
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:37:27 2017 -0700
Hide internal __hasmntopt function [BZ #18822]
Hide internal __hasmntopt function to allow direct access within libc.so
and libc.a without using GOT nor PLT.
[BZ #18822]
* include/mntent.h (__hasmntopt): Add libc_hidden_proto.
* misc/mntent_r.c (__hasmntopt): Add libc_hidden_def.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b4744101f36021bf2dde713682abbd0cc6935168
commit b4744101f36021bf2dde713682abbd0cc6935168
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:35:26 2017 -0700
Hide internal __ifreq function [BZ #18822]
Hide internal __ifreq function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* include/ifreq.h: New file.
* sysdeps/generic/ifreq.h (__if_nextreq): Removed.
(__ifreq): Likewise.
* sysdeps/mach/hurd/ifreq.h (__if_nextreq): Removed.
(__ifreq): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=43b7dfd1b6cfd1b603e96270dc6a0b1758f81a13
commit 43b7dfd1b6cfd1b603e96270dc6a0b1758f81a13
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:33:08 2017 -0700
Hide internal idna functions [BZ #18822]
Hide internal idna functions to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* include/idna.h: New file.
* inet/getnameinfo.c: Include <idna.h> instead of
<libidn/idna.h>.
(__idna_to_unicode_lzlz): Removed.
* sysdeps/posix/getaddrinfo.c: Include <idna.h> instead of
<libidn/idna.h>.
(__idna_to_ascii_lz): Removed.
(__idna_to_unicode_lzlz): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2c0cd8f81fee4d9dc8e34254f4f6ed56d5bb6f59
commit 2c0cd8f81fee4d9dc8e34254f4f6ed56d5bb6f59
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 1 17:30:49 2017 -0700
Hide internal __gettextparse function [BZ #18822]
Hide internal __gettextparse function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* include/plural-exp.h: New file.
* intl/plural-exp.c: Include <plural-exp.h> instead of
"plural-exp.h".
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 128 +++++++++++++++++++++++++++
csu/version.c | 2 +-
gmon/gmon.c | 2 +
include/fpu_control.h | 2 +-
include/glob.h | 1 +
include/idna.h | 8 ++
include/ifreq.h | 14 +++
include/libc-internal.h | 2 +-
include/mntent.h | 1 +
include/monetary.h | 3 +-
include/plural-exp.h | 8 ++
include/sched.h | 1 +
include/sys/resource.h | 1 +
include/termios.h | 1 +
inet/getnameinfo.c | 4 +-
intl/hash-string.h | 3 +-
intl/plural-exp.c | 2 +-
misc/mntent_r.c | 1 +
nscd/nscd_helper.c | 5 +
posix/sched_setp.c | 1 +
resource/setrlimit.c | 1 +
stdlib/exit.h | 4 +-
sysdeps/generic/ifreq.h | 12 ---
sysdeps/mach/hurd/ifreq.h | 12 ---
sysdeps/mach/hurd/setrlimit.c | 1 +
sysdeps/posix/getaddrinfo.c | 5 +-
sysdeps/unix/bsd/tcgetattr.c | 1 +
sysdeps/unix/sysv/linux/getrlimit64.c | 3 +-
sysdeps/unix/sysv/linux/glob64.c | 1 +
sysdeps/unix/sysv/linux/posix_fadvise64.c | 2 +
sysdeps/unix/sysv/linux/posix_fallocate64.c | 2 +
sysdeps/unix/sysv/linux/sched_setaffinity.c | 4 +
sysdeps/unix/sysv/linux/setrlimit.c | 1 +
sysdeps/unix/sysv/linux/setrlimit64.c | 3 +
sysdeps/unix/sysv/linux/tcgetattr.c | 1 +
termios/tcgetattr.c | 1 +
36 files changed, 204 insertions(+), 40 deletions(-)
create mode 100644 include/idna.h
create mode 100644 include/ifreq.h
create mode 100644 include/plural-exp.h
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>From glibc-bugs-return-39095-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 02 04:56:59 2017
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Mon, 02 Oct 2017 04:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18822
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #73 from H.J. Lu <hjl.tools at gmail dot com> ---
On x86-64, I got
[hjl@gnu-efi-2 build-x86_64-linux]$ readelf -rW libc_pic.a | grep " __" | grep
PLT32 | awk '{ print $5 }' | sort | uniq
__addtf3
__dirfd
__divtf3
__eqtf2
__floatsitf
__getf2
__GI_fwrite
__GI_fwrite_unlocked
__GI_memcmp
__GI_memcpy
__GI_mempcpy
__GI_memset
__GI_stpcpy
__GI_strchr
__GI_strcpy
__GI_strlen
__glob
__glob_lstat_compat
__gttf2
__letf2
__memrchr
__multf3
__popcountdi2
__pthread_unwind
__scalbn
__scalbnf
__scalbnf128
__scalbnl
__strchrnul
__strncasecmp
__subtf3
__tls_get_addr
__tunable_get_val
__umount2
__unordtf2
__wcslen
__wctrans
__wctype
[hjl@gnu-efi-2 build-x86_64-linux]$
I am closing it now. Please free feel to open new bug reports for remaining
internal functions are called via PLT.
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>From glibc-bugs-return-39096-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 02 15:37:01 2017
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Mon, 02 Oct 2017 15:37:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18822
--- Comment #74 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
I don't think this will stay fixed without a checked-in testcase.
Such a testcase, to be machine-independent, should not be checking names
of relocations. Instead it needs to look at properties of (global/weak)
symbols in objects that go into shared libraries. Symbols (defined or
undefined) that are not hidden, but are not exported from those shared
libraries, are suspect, but I'm not sure how reliably GCC will mark
undefined symbols hidden even given appropriate declarations (and there
may also be issues with undefined symbols properly called from .S sources
but not marked hidden there). So likely lists of exceptions to any such
tests would be needed (including architecture-specific exceptions for e.g.
libgcc symbols).
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>From glibc-bugs-return-39097-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 02 15:43:58 2017
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22235] New: iscanonical in C++ and float128
Date: Mon, 02 Oct 2017 15:43:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22235
Bug ID: 22235
Summary: iscanonical in C++ and float128
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
CC: gabriel at inconstante dot eti.br
Target Milestone: ---
Similar to the other such issues with __MATH_TG not working in C++ in
configurations with float128 support, the iscanonical macro also uses __MATH_TG
in certain configurations, and, not being a C99 macro, is not part of the
standard C++ library, so we need to handle it like issignaling and iszero
(providing C++ overloads).
The default definition in the top-level bits/iscanonical.h is fine (it doesn't
use __MATH_TG, just evaluates its argument and returns 1). It's
sysdeps/ieee754/ldbl-96/bits/iscanonical.h and
sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h that need fixing to provide
overloads when they would overwise use __MATH_TG.
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>From glibc-bugs-return-39098-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 02 15:52:06 2017
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Subject: [Bug math/21987] [sparc32] wrong bits/long-double.h installed
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f68c5c9b61600f0f85c75bac15b1520d5059359
commit 3f68c5c9b61600f0f85c75bac15b1520d5059359
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Aug 22 00:59:43 2017 +0000
Fix sparc32 bits/long-double.h (bug 21987).
My refactoring of long double information
commit 0acb8a2a855395c25b1feef2470f4d7ca4bed589
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Dec 14 18:27:56 2016 +0000
Refactor long double information into bits/long-double.h.
resulted in sparc32 configurations installing the ldbl-opt version of
bits/long-double.h instead of the intended
sysdeps/unix/sysv/linux/sparc version.
For sparc32 by itself, this is not a problem, since the ldbl-opt
version is correct for sparc32. However, both sparc32 and sparc64 are
supposed to install sets of headers that work for both of them, so
that a single sysroot, whichever order the libraries are built and
installed in, works for both. The effect of having the wrong version
installed is that you end up with a miscompiled sparc64 libstdc++
which fails glibc's configure tests for the C++ compiler.
This patch moves the header from sysdeps/unix/sysv/linux/sparc to
separate copies of the same file for sparc32 and sparc64, to ensure it
comes before ldbl-opt in the sysdeps directory ordering.
Tested with build-many-glibcs.py for sparc64-linux-gnu and
sparcv9-linux-gnu.
[BZ #21987]
* sysdeps/unix/sysv/linux/sparc/bits/long-double.h: Remove file
and copy to ...
* sysdeps/unix/sysv/linux/sparc/sparc32/bits/long-double.h:
... here.
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/long-double.h:
... and here.
(cherry picked from commit 80f91666fed71fa3dd5eb5618739147cc731bc89)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
.../linux/sparc/{ => sparc32}/bits/long-double.h | 0
.../linux/sparc/{ => sparc64}/bits/long-double.h | 0
3 files changed, 10 insertions(+), 0 deletions(-)
copy sysdeps/unix/sysv/linux/sparc/{ => sparc32}/bits/long-double.h (100%)
rename sysdeps/unix/sysv/linux/sparc/{ => sparc64}/bits/long-double.h (100%)
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>From glibc-bugs-return-39099-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 02 15:55:23 2017
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Subject: [Bug math/21987] [sparc32] wrong bits/long-double.h installed
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ac93084c086ff06f815c405c9eb36a2b1f02da6a
commit ac93084c086ff06f815c405c9eb36a2b1f02da6a
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Aug 22 00:59:43 2017 +0000
Fix sparc32 bits/long-double.h (bug 21987).
My refactoring of long double information
commit 0acb8a2a855395c25b1feef2470f4d7ca4bed589
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Dec 14 18:27:56 2016 +0000
Refactor long double information into bits/long-double.h.
resulted in sparc32 configurations installing the ldbl-opt version of
bits/long-double.h instead of the intended
sysdeps/unix/sysv/linux/sparc version.
For sparc32 by itself, this is not a problem, since the ldbl-opt
version is correct for sparc32. However, both sparc32 and sparc64 are
supposed to install sets of headers that work for both of them, so
that a single sysroot, whichever order the libraries are built and
installed in, works for both. The effect of having the wrong version
installed is that you end up with a miscompiled sparc64 libstdc++
which fails glibc's configure tests for the C++ compiler.
This patch moves the header from sysdeps/unix/sysv/linux/sparc to
separate copies of the same file for sparc32 and sparc64, to ensure it
comes before ldbl-opt in the sysdeps directory ordering.
Tested with build-many-glibcs.py for sparc64-linux-gnu and
sparcv9-linux-gnu.
[BZ #21987]
* sysdeps/unix/sysv/linux/sparc/bits/long-double.h: Remove file
and copy to ...
* sysdeps/unix/sysv/linux/sparc/sparc32/bits/long-double.h:
... here.
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/long-double.h:
... and here.
(cherry picked from commit 80f91666fed71fa3dd5eb5618739147cc731bc89)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
.../linux/sparc/{ => sparc32}/bits/long-double.h | 0
.../linux/sparc/{ => sparc64}/bits/long-double.h | 0
3 files changed, 10 insertions(+), 0 deletions(-)
copy sysdeps/unix/sysv/linux/sparc/{ => sparc32}/bits/long-double.h (100%)
rename sysdeps/unix/sysv/linux/sparc/{ => sparc64}/bits/long-double.h (100%)
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>From glibc-bugs-return-39100-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 02 18:10:27 2017
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From: "gabriel at inconstante dot eti.br" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22235] iscanonical in C++ and float128
Date: Mon, 02 Oct 2017 18:10:00 -0000
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Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at sourceware dot org |gabriel at inconstante dot eti.br
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>From glibc-bugs-return-39101-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 02 21:36:09 2017
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Subject: [Bug libc/22237] New: Check internal symbols of libc.so accessed via PLT or GOT
Date: Mon, 02 Oct 2017 21:36:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22237
Bug ID: 22237
Summary: Check internal symbols of libc.so accessed via PLT or
GOT
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com
Depends on: 18822
Target Milestone: ---
If supported by target, internal symbols of libc.so should be accessed
without PLT nor GOT. X86 PLT relocation is checked on libc_pic.a:
[hjl@gnu-efi-2 build-x86_64-linux]$ readelf -rW libc_pic.a | grep " __" | grep
PLT32 | awk '{ print $5 }' | sort | uniq
It assumes that only symbols with "__" prefix are internal symbols. A
machine-independent script should not be checking names
of relocations. Instead it needs to look at properties of (global/weak)
symbols in objects that go into shared libraries. Symbols (defined or
undefined) that are not hidden, but are not exported from those shared
libraries, are suspect, but I'm not sure how reliably GCC will mark
undefined symbols hidden even given appropriate declarations (and there
may also be issues with undefined symbols properly called from .S sources
but not marked hidden there). So likely lists of exceptions to any such
tests would be needed (including architecture-specific exceptions for e.g.
libgcc symbols).
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=18822
[Bug 18822] Internal functions are called via PLT
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Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Mon, 02 Oct 2017 21:36:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |22237
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=22237
[Bug 22237] Check internal symbols of libc.so accessed via PLT or GOT
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Mon, 02 Oct 2017 21:37:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18822
--- Comment #75 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to joseph@codesourcery.com from comment #74)
> I don't think this will stay fixed without a checked-in testcase.
>
> Such a testcase, to be machine-independent, should not be checking names
> of relocations. Instead it needs to look at properties of (global/weak)
> symbols in objects that go into shared libraries. Symbols (defined or
> undefined) that are not hidden, but are not exported from those shared
> libraries, are suspect, but I'm not sure how reliably GCC will mark
> undefined symbols hidden even given appropriate declarations (and there
> may also be issues with undefined symbols properly called from .S sources
> but not marked hidden there). So likely lists of exceptions to any such
> tests would be needed (including architecture-specific exceptions for e.g.
> libgcc symbols).
I opened PR 22237 to track it.
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>From glibc-bugs-return-39104-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 02 21:49:07 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Mon, 02 Oct 2017 21:49:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |2.27
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
I created hjl/pie/static branch to add a configure option, --enable-static-pie,
to built static PIE. It works on i686 and x86-64 with binutils 2.29. Static
PIE requires:
1. Target must support accessing of local functions without dynamic
relocations,
which is needed in start.S to call __libc_start_main with function addresses
of __libc_csu_init, __libc_csu_fini and main. All functions in statice PIE
are local functions.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
Binutils 2.29 or above are OK for x86-64. But linker status for other
targets need to be verified.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Mon, 02 Oct 2017 22:32:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at 54a6ea8dca4a8007925509e5062dad58ad372503 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=54a6ea8dca4a8007925509e5062dad58ad372503
commit 54a6ea8dca4a8007925509e5062dad58ad372503
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06c90ff31c731f5e9c3d24e760781f18e087c3d6
commit 06c90ff31c731f5e9c3d24e760781f18e087c3d6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 29 01:07:53 2017 -0700
tile: Check SHARED instead PIC for SYSCALL_ERROR_NAME
For static PIE code, PIC is defined and SHARED is undefined. We
should check SHARED instead PIC for SYSCALL_ERROR_NAME.
* sysdeps/unix/sysv/linux/tile/sysdep.h (SYSCALL_ERROR_NAME):
Check SHARED instead PIC.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f53e358df7532a9f8e8537914f82ceae020e9c49
commit f53e358df7532a9f8e8537914f82ceae020e9c49
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3242c259949f625970d4cb39260958386eae3a6b
commit 3242c259949f625970d4cb39260958386eae3a6b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2596f9a1ef039f01093ab12e722a80ba82d49a34
commit 2596f9a1ef039f01093ab12e722a80ba82d49a34
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5f6f3d1b97329b69e7e791d5f9966f5a112aa1d3
commit 5f6f3d1b97329b69e7e791d5f9966f5a112aa1d3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=53518afc4d43e3d99f7db5399d1588f757128857
commit 53518afc4d43e3d99f7db5399d1588f757128857
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2fcb20f193be0c02a71e52959059cb9df7dfc3a9
commit 2fcb20f193be0c02a71e52959059cb9df7dfc3a9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:59:00 2017 -0700
tile: Update elf_machine_load_address for static PIE
tile uses _DYNAMIC to compute load address, which works with static PIE.
We just need to return 0 if _DYNAMIC is undefined for static executable.
* sysdeps/tile/dl-machine.h (elf_machine_load_address): Return 0
if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d4febf8a4f48083bf5cd20ac46f636e24e5497d9
commit d4febf8a4f48083bf5cd20ac46f636e24e5497d9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:57:09 2017 -0700
sparc: Update elf_machine_load_address for static PIE
sparc uses a local label to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_dynamic): Return
0 if _DYNAMIC is undefined for static executable.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33c40ab8b1bf1f47b53f8908163e3a2eaa577c35
commit 33c40ab8b1bf1f47b53f8908163e3a2eaa577c35
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=adbdf586e7de0bfc248481249eaaa44e16445466
commit adbdf586e7de0bfc248481249eaaa44e16445466
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=97457b7992475cd80cef4d709cd10df205703562
commit 97457b7992475cd80cef4d709cd10df205703562
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:51:41 2017 -0700
powerpc32: Update elf_machine_load_address for static PIE
powerpc32 uses _DYNAMIC to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_load_address):
Return 0 if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7538a7874c483fcf075779152cbca7d51ff1277c
commit 7538a7874c483fcf075779152cbca7d51ff1277c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:50:10 2017 -0700
nios2: Update elf_machine_load_address for static PIE
nios2 uses a local label to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/nios2/dl-machine.h (elf_machine_dynamic): Return 0 if
_DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ba237e4b9c3456617dc0d9fd2f43b0ca2726f8c4
commit ba237e4b9c3456617dc0d9fd2f43b0ca2726f8c4
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:47:20 2017 -0700
microblaze: Update elf_machine_load_address for static PIE
microblaze uses _DYNAMIC to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/microblaze/dl-machine.h (elf_machine_load_address):
Return 0 if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b47111243c4581e1171474672a4c26e2e200b41c
commit b47111243c4581e1171474672a4c26e2e200b41c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0f44bbea33bae18ce17acee9f09538803c099fad
commit 0f44bbea33bae18ce17acee9f09538803c099fad
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:44:46 2017 -0700
ia64: Update elf_machine_load_address for static PIE
ia64 uses a local label to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/ia64/dl-machine.h (elf_machine_dynamic): Return 0 if
_DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3994c3090a0026ff9c430c6dc0284133df017b67
commit 3994c3090a0026ff9c430c6dc0284133df017b67
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:42:18 2017 -0700
hppa: Update elf_machine_load_address for static PIE
hppa uses _DYNAMIC to compute load address, which works with static PIE.
We just need to return 0 if _DYNAMIC is undefined for static executable.
* sysdeps/hppa/dl-machine.h (elf_machine_load_address): Return 0
if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ec465b0fc04cf2e4020b8ee898b63ba8350b095c
commit ec465b0fc04cf2e4020b8ee898b63ba8350b095c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9783b57f4852d8d7f79ff1f4b2d5240f5fa4d6e6
commit 9783b57f4852d8d7f79ff1f4b2d5240f5fa4d6e6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 15:37:10 2017 -0700
Don't use hidden visibility in libc.a with PIE on i386
On i386, when multi-arch is enabled, all external functions must be
called via PIC PLT in PIE, which requires setting up EBX register,
since they may be IFUNC functions.
* config.h.in (NO_HIDDEN_EXTERN_FUNC_IN_PIE): New.
* include/libc-symbols.h (__hidden_proto_hiddenattr): Add check
for PIC and NO_HIDDEN_EXTERN_FUNC_IN_PIE.
* sysdeps/i386/configure.ac (NO_HIDDEN_EXTERN_FUNC_IN_PIE): New
AC_DEFINE if multi-arch is enabled.
* sysdeps/i386/configure: Regenerated.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e4b0d965b31762dee691e663df6e4db339a150dd
commit e4b0d965b31762dee691e663df6e4db339a150dd
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, arm, hppa,
m68k, microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, arm, hppa, ia64, m68k, microblaze,
mips, nios2, powerpc, s390, sh, sparc and tile.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
Binutils 2.29 or above are OK for x86-64. But linker status for other
targets need to be verified.
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Add $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* elf/dl-support.c: Include "dynamic-link.h" and don't include
"get-dynamic-info.h" for --enable-static-pie.
(_dl_relocate_static_pie): New function for --enable-static-pie.
(STATIC_PIE_BOOTSTRAP): New for --enable-static-pie.
(BOOTSTRAP_MAP): Likewise.
(RESOLVE_MAP): Likewise.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/x86_64/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure: Regenerated.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=029e1197a4e0ace7a0ad18a00540d114926a524b
commit 029e1197a4e0ace7a0ad18a00540d114926a524b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 29 01:09:48 2017 -0700
ld.so: Replace (&bootstrap_map) with BOOTSTRAP_MAP
(&_dl_main_map) is used instead of (&bootstrap_map) to bootstrap static
PIE. Define BOOTSTRAP_MAP with (&_dl_main_map) to avoid hardcode to
(&bootstrap_map).
* elf/rtld.c (BOOTSTRAP_MAP): New.
(RESOLVE_MAP): Replace (&bootstrap_map) with BOOTSTRAP_MAP.
* sysdeps/hppa/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC):
Likewise.
* sysdeps/ia64/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC):
Likewise.
* sysdeps/mips/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC):
Likewise.
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From: "andreas+sourceware at aurora dot npff.co" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22238] New: NULL pointer dereference in dlopen on out-of-memory
Date: Tue, 03 Oct 2017 07:24:00 -0000
X-Bugzilla-Reason: CC
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X-Bugzilla-Version: 2.26
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https://sourceware.org/bugzilla/show_bug.cgi?id=22238
Bug ID: 22238
Summary: NULL pointer dereference in dlopen on out-of-memory
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: andreas+sourceware at aurora dot npff.co
Target Milestone: ---
Doing low-memory stress testing on PostgreSQL yielded a crash in dlopen.
It looks like the code in fillin_rpath tripped into
expand_dynamic_string_token returning a NULL on a failed malloc:
,----[ glibc-2.24/elf/dl-load.c:442 ]
| to_free = cp = expand_dynamic_string_token (l, cp, 1);
|
| size_t len = strlen (cp);
`----
Backtrace below.
regards,
Andreas
Core was generated by `postgres: bgworker: parallel worker for PID 24326
'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 strlen () at ../sysdeps/x86_64/strlen.S:106
#1 0x00007f5184852a36 in fillin_rpath (rpath=<optimized out>,
rpath@entry=0x55b692f0d360 "/home/smith/postgres/inst/master/lib",
result=result@entry=0x55b692f1b380, sep=sep@entry=0x7f5184868060 ":",
check_trusted=check_trusted@entry=0, what=what@entry=0x7f51848683bd
"RUNPATH", where=where@entry=0x55b692f2d2f0
"/home/smith/postgres/inst/master/lib/pgcrypto.so", l=0x55b692f2d330)
at dl-load.c:444
#2 0x00007f5184852daf in decompose_rpath (sps=sps@entry=0x55b692f2d6d8,
rpath=<optimized out>, l=l@entry=0x55b692f2d330, what=what@entry=0x7f51848683bd
"RUNPATH") at dl-load.c:618
#3 0x00007f5184852ef7 in cache_rpath (l=l@entry=0x55b692f2d330,
sp=sp@entry=0x55b692f2d6d8, tag=tag@entry=29, what=what@entry=0x7f51848683bd
"RUNPATH") at dl-load.c:652
#4 0x00007f5184853c62 in cache_rpath (what=0x7f51848683bd "RUNPATH", tag=29,
sp=0x55b692f2d6d8, l=0x55b692f2d330) at dl-load.c:2307
#5 _dl_map_object (loader=0x55b692f2d330, name=0x7f517f300cc3 "libz.so.1",
type=2, trace_mode=0, mode=<optimized out>, nsid=<optimized out>) at
dl-load.c:2314
#6 0x00007f5184857e70 in openaux (a=a@entry=0x7ffd4f686130) at dl-deps.c:63
#7 0x00007f518485a4f4 in _dl_catch_error
(objname=objname@entry=0x7ffd4f686128,
errstring=errstring@entry=0x7ffd4f686120,
mallocedp=mallocedp@entry=0x7ffd4f68611f, operate=operate@entry=0x7f5184857e40
<openaux>, args=args@entry=0x7ffd4f686130) at dl-error.c:187
#8 0x00007f51848580df in _dl_map_object_deps (map=map@entry=0x55b692f2d330,
preloads=preloads@entry=0x0, npreloads=npreloads@entry=0,
trace_mode=trace_mode@entry=0, open_mode=open_mode@entry=-2147483648) at
dl-deps.c:254
#9 0x00007f518485ea02 in dl_open_worker (a=a@entry=0x7ffd4f6863c0) at
dl-open.c:280
#10 0x00007f518485a4f4 in _dl_catch_error
(objname=objname@entry=0x7ffd4f6863b0,
errstring=errstring@entry=0x7ffd4f6863b8,
mallocedp=mallocedp@entry=0x7ffd4f6863af, operate=operate@entry=0x7f518485e8f0
<dl_open_worker>, args=args@entry=0x7ffd4f6863c0) at dl-error.c:187
#11 0x00007f518485e489 in _dl_open (file=0x55b692f2d2b0
"/home/smith/postgres/inst/master/lib/pgcrypto.so", mode=-2147483390,
caller_dlopen=0x55b691cb4c7e <internal_load_library+286>, nsid=-2,
argc=<optimized out>, argv=<optimized out>, env=0x55b692eef880) at
dl-open.c:660
#12 0x00007f5184020ee9 in dlopen_doit (a=a@entry=0x7ffd4f6865f0) at dlopen.c:66
#13 0x00007f518485a4f4 in _dl_catch_error (objname=0x55b692eef6d0,
errstring=0x55b692eef6d8, mallocedp=0x55b692eef6c8, operate=0x7f5184020e90
<dlopen_doit>, args=0x7ffd4f6865f0) at dl-error.c:187
#14 0x00007f5184021521 in _dlerror_run (operate=operate@entry=0x7f5184020e90
<dlopen_doit>, args=args@entry=0x7ffd4f6865f0) at dlerror.c:163
#15 0x00007f5184020f82 in __dlopen (file=<optimized out>, mode=mode@entry=258)
at dlopen.c:87
#16 0x000055b691cb4c7e in internal_load_library
(libname=libname@entry=0x7f51848be7f8 <error: Cannot access memory at address
0x7f51848be7f8>) at dfmgr.c:231
#17 0x000055b691cb5928 in RestoreLibraryState (start_address=0x7f51848be7f8
<error: Cannot access memory at address 0x7f51848be7f8>) at dfmgr.c:754
#18 0x000055b6919459d9 in ParallelWorkerMain (main_arg=<optimized out>) at
parallel.c:1030
#19 0x000055b691b23746 in StartBackgroundWorker () at bgworker.c:835
#20 0x000055b691b2faf5 in do_start_bgworker (rw=0x55b692f0e050) at
postmaster.c:5680
#21 maybe_start_bgworkers () at postmaster.c:5884
#22 0x000055b691b305c8 in sigusr1_handler (postgres_signal_arg=<optimized out>)
at postmaster.c:5073
#23 <signal handler called>
#24 0x00007f5183a5f273 in __select_nocancel () at
../sysdeps/unix/syscall-template.S:84
#25 0x000055b6918b8c0b in ServerLoop () at postmaster.c:1717
#26 0x000055b691b31c65 in PostmasterMain (argc=3, argv=0x55b692eea5f0) at
postmaster.c:1361
#27 0x000055b6918bac4d in main (argc=3, argv=0x55b692eea5f0) at main.c:228
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From: "timiriliyev at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New: New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Tue, 03 Oct 2017 09:44:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22241
Bug ID: 22241
Summary: New locale: Yakut (Sakha) locale for Russia (sah_RU)
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: timiriliyev at gmail dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
Created attachment 10501
--> https://sourceware.org/bugzilla/attachment.cgi?id=10501&action=edit
sah_RU locale file for glibc
Dear maintainers,
I created glibc locale data for Yakut (Sakha) language (sah_RU) and want to
submit it.
Please find attached the locale definition for sah_RU to be
considered for inclusion in glibc.
Git repo: https://github.com/qfoxxy/glibc-sah_RU
Thanks!
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>From glibc-bugs-return-39108-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 03 14:05:01 2017
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From: "gabriel at inconstante dot eti.br" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22235] iscanonical in C++ and float128
Date: Tue, 03 Oct 2017 14:05:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22235
--- Comment #1 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
I posted a patch on libc-alpha:
https://sourceware.org/ml/libc-alpha/2017-10/msg00102.html
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>From glibc-bugs-return-39109-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 03 14:27:52 2017
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Tue, 03 Oct 2017 14:27:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at cfe0d52782764c4f4d0701985459931b7a579ea8 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cfe0d52782764c4f4d0701985459931b7a579ea8
commit cfe0d52782764c4f4d0701985459931b7a579ea8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d9c5665a6df85479fa9535d912956eefb565739c
commit d9c5665a6df85479fa9535d912956eefb565739c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 29 01:07:53 2017 -0700
tile: Check SHARED instead PIC for SYSCALL_ERROR_NAME
For static PIE code, PIC is defined and SHARED is undefined. We
should check SHARED instead PIC for SYSCALL_ERROR_NAME.
* sysdeps/unix/sysv/linux/tile/sysdep.h (SYSCALL_ERROR_NAME):
Check SHARED instead PIC.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=79453220daacdf11ec12a44cce831dcd78b92d72
commit 79453220daacdf11ec12a44cce831dcd78b92d72
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e435376ffe41749285ec9f7c2dff0f9beb53becd
commit e435376ffe41749285ec9f7c2dff0f9beb53becd
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=871ea1623680c7b236c9a41928638ea3ee0679f0
commit 871ea1623680c7b236c9a41928638ea3ee0679f0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=86dedca076cb8a64c71209424d2dcc6e76823e76
commit 86dedca076cb8a64c71209424d2dcc6e76823e76
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82cb35c2e6ecad2a82062aea4834f1684c12bf19
commit 82cb35c2e6ecad2a82062aea4834f1684c12bf19
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4dd595fa8888f31fdfed21c1ece1a4b25f178667
commit 4dd595fa8888f31fdfed21c1ece1a4b25f178667
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:59:00 2017 -0700
tile: Update elf_machine_load_address for static PIE
tile uses _DYNAMIC to compute load address, which works with static PIE.
We just need to return 0 if _DYNAMIC is undefined for static executable.
* sysdeps/tile/dl-machine.h (elf_machine_load_address): Return 0
if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0e7446e61030aca7848c9a0fd75ef4454b616ac3
commit 0e7446e61030aca7848c9a0fd75ef4454b616ac3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:57:09 2017 -0700
sparc: Update elf_machine_load_address for static PIE
sparc uses a local label to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_dynamic): Return
0 if _DYNAMIC is undefined for static executable.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34c3eb56717ff903808e112e9898cf2fa395dbb7
commit 34c3eb56717ff903808e112e9898cf2fa395dbb7
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b15a9995a23a588a8dc7b3948947c4be3a811176
commit b15a9995a23a588a8dc7b3948947c4be3a811176
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9d68ebe8eb3d2cee5f7d9aae7b3d198a861e4bbf
commit 9d68ebe8eb3d2cee5f7d9aae7b3d198a861e4bbf
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:51:41 2017 -0700
powerpc32: Update elf_machine_load_address for static PIE
powerpc32 uses _DYNAMIC to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_load_address):
Return 0 if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5e819917600a4a5fd2c751739e1ee42b28f9644d
commit 5e819917600a4a5fd2c751739e1ee42b28f9644d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:50:10 2017 -0700
nios2: Update elf_machine_load_address for static PIE
nios2 uses a local label to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/nios2/dl-machine.h (elf_machine_dynamic): Return 0 if
_DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=358575f2c530d7dcc680204ccf87e7cf6c071906
commit 358575f2c530d7dcc680204ccf87e7cf6c071906
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:47:20 2017 -0700
microblaze: Update elf_machine_load_address for static PIE
microblaze uses _DYNAMIC to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/microblaze/dl-machine.h (elf_machine_load_address):
Return 0 if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d876d0384e07170a3c3ac1bf49030c817dcb8781
commit d876d0384e07170a3c3ac1bf49030c817dcb8781
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e78ad9e38d4df5210818588bafa861490efa613c
commit e78ad9e38d4df5210818588bafa861490efa613c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:44:46 2017 -0700
ia64: Update elf_machine_load_address for static PIE
ia64 uses a local label to compute load address, which works with static
PIE. We just need to return 0 if _DYNAMIC is undefined for static
executable.
* sysdeps/ia64/dl-machine.h (elf_machine_dynamic): Return 0 if
_DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=870ac9f7969d4de7974cf64f8805c05b3c66ea06
commit 870ac9f7969d4de7974cf64f8805c05b3c66ea06
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:42:18 2017 -0700
hppa: Update elf_machine_load_address for static PIE
hppa uses _DYNAMIC to compute load address, which works with static PIE.
We just need to return 0 if _DYNAMIC is undefined for static executable.
* sysdeps/hppa/dl-machine.h (elf_machine_load_address): Return 0
if _DYNAMIC is undefined for static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5e6c987785f992abbf0e56ac2e48bc90ec235714
commit 5e6c987785f992abbf0e56ac2e48bc90ec235714
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE. Return 0 if _DYNAMIC is undefined for
static executable.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c7f8f74e82dc8427be97211c8383757952b747e3
commit c7f8f74e82dc8427be97211c8383757952b747e3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 15:37:10 2017 -0700
Don't use hidden visibility in libc.a with PIE on i386
On i386, when multi-arch is enabled, all external functions must be
called via PIC PLT in PIE, which requires setting up EBX register,
since they may be IFUNC functions.
* config.h.in (NO_HIDDEN_EXTERN_FUNC_IN_PIE): New.
* include/libc-symbols.h (__hidden_proto_hiddenattr): Add check
for PIC and NO_HIDDEN_EXTERN_FUNC_IN_PIE.
* sysdeps/i386/configure.ac (NO_HIDDEN_EXTERN_FUNC_IN_PIE): New
AC_DEFINE if multi-arch is enabled.
* sysdeps/i386/configure: Regenerated.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9f807af3b78dc14c8d6bfa87d27efa77dc72ec82
commit 9f807af3b78dc14c8d6bfa87d27efa77dc72ec82
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, arm, hppa,
m68k, microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, arm, hppa, ia64, m68k, microblaze,
mips, nios2, powerpc, s390, sh, sparc and tile.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Add $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* elf/dl-support.c: Include "dynamic-link.h" and don't include
"get-dynamic-info.h" for --enable-static-pie.
(_dl_relocate_static_pie): New function for --enable-static-pie.
(STATIC_PIE_BOOTSTRAP): New for --enable-static-pie.
(BOOTSTRAP_MAP): Likewise.
(RESOLVE_MAP): Likewise.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f84d2c7c3988ac6f89d6e3dbde5ffffde4c538f5
commit f84d2c7c3988ac6f89d6e3dbde5ffffde4c538f5
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 06:54:54 2017 -0700
i386: Use "movl main@GOT(%ebx), %eax" in start.S
Don't use "leal main@GOTOFF(%ebx), %eax" since main may be in a
shared object. Linker will convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
* sysdeps/i386/start.S: Replace "leal main@GOT(%ebx), %eax" with
"movl main@GOTOFF(%ebx), %eax".
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=67e8204d4812c54d3e48abb9860f2a1ec7049f46
commit 67e8204d4812c54d3e48abb9860f2a1ec7049f46
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 06:48:11 2017 -0700
Add a test for main () in a shared object
Verify that crt1.o can be used with main () in a shared object.
* elf/Makefile (tests): Add tst-main1.
(modules-names): Add tst-main1mod.
($(objpfx)tst-main1): New.
(CRT-tst-main1): Likewise.
(LDFLAGS-tst-main1): Likewise.
(LDLIBS-tst-main1): Likewise.
(tst-main1mod.so-no-z-defs): Likewise.
* elf/tst-main1.c: New file.
* elf/tst-main1mod.c: Likewise.
-----------------------------------------------------------------------
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From: "nszabolcs at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22243] New: log2(0) and log10(0) are wrong in downward rounding without the svid compat wrapper
Date: Tue, 03 Oct 2017 16:03:00 -0000
X-Bugzilla-Reason: CC
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https://sourceware.org/bugzilla/show_bug.cgi?id=22243
Bug ID: 22243
Summary: log2(0) and log10(0) are wrong in downward rounding
without the svid compat wrapper
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: nszabolcs at gmail dot com
Target Milestone: ---
log2(0) and log10(0) return inf instead of -inf in downward rounding when the
svid wrapper is suppressed (static linking, new targets).
#include <math.h>
#include <stdio.h>
#include <fenv.h>
int main()
{
fesetround(FE_DOWNWARD);
double y1 = log2(0);
double y2 = log10(0);
fesetround(FE_TONEAREST);
printf("%a\n", y1);
printf("%a\n", y2);
}
prints
inf
inf
with static linking.
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From: "nszabolcs at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22244] New: ynf and yn are wrong without the svid compat wrapper
Date: Tue, 03 Oct 2017 16:07:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22244
Bug ID: 22244
Summary: ynf and yn are wrong without the svid compat wrapper
Product: glibc
Version: 2.27
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: nszabolcs at gmail dot com
Target Milestone: ---
without svid compat wrapper (static linking, new targets) i see the following
math failures:
$ cat math/test-float-yn.out
testing float (without inline functions)
Failure: yn (0, 0.0): Exception "Divide by zero" not set
Failure: yn (0, -0.0): Exception "Divide by zero" not set
Failure: yn (1, 0.0): Exception "Divide by zero" not set
Failure: yn (1, -0.0): Exception "Divide by zero" not set
Failure: yn (-1, 0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn (-1, 0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn (-1, -0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn (-1, -0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn (2, 0.0): Exception "Divide by zero" not set
Failure: yn (2, -0.0): Exception "Divide by zero" not set
Failure: yn (-2, 0.0): Exception "Divide by zero" not set
Failure: yn (-2, -0.0): Exception "Divide by zero" not set
Failure: yn (3, 0.0): Exception "Divide by zero" not set
Failure: yn (3, -0.0): Exception "Divide by zero" not set
Failure: yn_downward (0, 0.0): Exception "Divide by zero" not set
Failure: yn_downward (0, -0.0): Exception "Divide by zero" not set
Failure: yn_downward (1, 0.0): Exception "Divide by zero" not set
Failure: yn_downward (1, -0.0): Exception "Divide by zero" not set
Failure: yn_downward (-1, 0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_downward (-1, 0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_downward (-1, -0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_downward (-1, -0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_downward (2, 0.0): Exception "Divide by zero" not set
Failure: yn_downward (2, -0.0): Exception "Divide by zero" not set
Failure: yn_downward (-2, 0.0): Exception "Divide by zero" not set
Failure: yn_downward (-2, -0.0): Exception "Divide by zero" not set
Failure: yn_downward (3, 0.0): Exception "Divide by zero" not set
Failure: yn_downward (3, -0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (0, 0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (0, -0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (1, 0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (1, -0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (-1, 0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_towardzero (-1, 0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_towardzero (-1, -0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_towardzero (-1, -0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_towardzero (2, 0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (2, -0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (-2, 0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (-2, -0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (3, 0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (3, -0.0): Exception "Divide by zero" not set
Failure: yn_upward (0, 0.0): Exception "Divide by zero" not set
Failure: yn_upward (0, -0.0): Exception "Divide by zero" not set
Failure: yn_upward (1, 0.0): Exception "Divide by zero" not set
Failure: yn_upward (1, -0.0): Exception "Divide by zero" not set
Failure: yn_upward (-1, 0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_upward (-1, 0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_upward (-1, -0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_upward (-1, -0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_upward (2, 0.0): Exception "Divide by zero" not set
Failure: yn_upward (2, -0.0): Exception "Divide by zero" not set
Failure: yn_upward (-2, 0.0): Exception "Divide by zero" not set
Failure: yn_upward (-2, -0.0): Exception "Divide by zero" not set
Failure: yn_upward (3, 0.0): Exception "Divide by zero" not set
Failure: yn_upward (3, -0.0): Exception "Divide by zero" not set
Test suite completed:
524 test cases plus 520 tests for exception flags and
520 tests for errno executed.
56 errors occurred.
$ cat math/test-double-yn.out
testing double (without inline functions)
Failure: yn (0, 0.0): Exception "Divide by zero" not set
Failure: yn (0, -0.0): Exception "Divide by zero" not set
Failure: yn (1, 0.0): Exception "Divide by zero" not set
Failure: yn (1, -0.0): Exception "Divide by zero" not set
Failure: yn (-1, 0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn (-1, 0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn (-1, -0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn (-1, -0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn (2, 0.0): Exception "Divide by zero" not set
Failure: yn (2, -0.0): Exception "Divide by zero" not set
Failure: yn (-2, 0.0): Exception "Divide by zero" not set
Failure: yn (-2, -0.0): Exception "Divide by zero" not set
Failure: yn (3, 0.0): Exception "Divide by zero" not set
Failure: yn (3, -0.0): Exception "Divide by zero" not set
Failure: yn_downward (0, 0.0): Exception "Divide by zero" not set
Failure: yn_downward (0, -0.0): Exception "Divide by zero" not set
Failure: yn_downward (1, 0.0): Exception "Divide by zero" not set
Failure: yn_downward (1, -0.0): Exception "Divide by zero" not set
Failure: yn_downward (-1, 0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_downward (-1, 0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_downward (-1, -0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_downward (-1, -0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_downward (2, 0.0): Exception "Divide by zero" not set
Failure: yn_downward (2, -0.0): Exception "Divide by zero" not set
Failure: yn_downward (-2, 0.0): Exception "Divide by zero" not set
Failure: yn_downward (-2, -0.0): Exception "Divide by zero" not set
Failure: yn_downward (3, 0.0): Exception "Divide by zero" not set
Failure: yn_downward (3, -0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (0, 0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (0, -0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (1, 0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (1, -0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (-1, 0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_towardzero (-1, 0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_towardzero (-1, -0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_towardzero (-1, -0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_towardzero (2, 0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (2, -0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (-2, 0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (-2, -0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (3, 0.0): Exception "Divide by zero" not set
Failure: yn_towardzero (3, -0.0): Exception "Divide by zero" not set
Failure: yn_upward (0, 0.0): Exception "Divide by zero" not set
Failure: yn_upward (0, -0.0): Exception "Divide by zero" not set
Failure: yn_upward (1, 0.0): Exception "Divide by zero" not set
Failure: yn_upward (1, -0.0): Exception "Divide by zero" not set
Failure: yn_upward (-1, 0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_upward (-1, 0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_upward (-1, -0.0): Exception "Divide by zero" not set
infinity has wrong sign.
Failure: Test: yn_upward (-1, -0.0)
Result:
is: -inf -inf
should be: inf inf
Failure: yn_upward (2, 0.0): Exception "Divide by zero" not set
Failure: yn_upward (2, -0.0): Exception "Divide by zero" not set
Failure: yn_upward (-2, 0.0): Exception "Divide by zero" not set
Failure: yn_upward (-2, -0.0): Exception "Divide by zero" not set
Failure: yn_upward (3, 0.0): Exception "Divide by zero" not set
Failure: yn_upward (3, -0.0): Exception "Divide by zero" not set
Test suite completed:
660 test cases plus 656 tests for exception flags and
656 tests for errno executed.
56 errors occurred.
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Subject: [Bug math/22243] log2(0) and log10(0) are wrong in downward rounding without the svid compat wrapper
Date: Tue, 03 Oct 2017 16:14:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22243
--- Comment #1 from Szabolcs Nagy <nszabolcs at gmail dot com> ---
wordsize-64 targets only
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Subject: [Bug math/22235] iscanonical in C++ and float128
Date: Tue, 03 Oct 2017 19:07:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22235
--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aa0235dfdebffe9b338deba51f3ba563ee9b433d
commit aa0235dfdebffe9b338deba51f3ba563ee9b433d
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Mon Oct 2 14:46:35 2017 -0300
Add C++ versions of iscanonical for ldbl-96 and ldbl-128ibm (bug 22235)
All representations of floating-point numbers in types with IEC 60559
binary exchange format are canonical. On the other hand, types with IEC
60559 extended formats, such as those implemented under ldbl-96 and
ldbl-128ibm, contain representations that are not canonical.
TS 18661-1 introduced the type-generic macro iscanonical, which returns
whether a floating-point value is canonical or not. In Glibc, this
type-generic macro is implemented using the macro __MATH_TG, which, when
support for float128 is enabled, relies on __builtin_types_compatible_p
to select between floating-point types. However, this use of
iscanonical breaks C++ applications, because the builtin is only
available in C mode.
This patch provides a C++ implementation of iscanonical that relies on
function overloading, rather than builtins, to select between
floating-point types.
Unlike the C++ implementations for iszero and issignaling, this
implementation ignores __NO_LONG_DOUBLE_MATH. The double type always
matches IEC 60559 double format, which is always canonical. Thus, when
double and long double are the same (__NO_LONG_DOUBLE_MATH), iscanonical
always returns 1 and is not implemented with __MATH_TG.
Tested for powerpc64, powerpc64le and x86_64.
[BZ #22235]
* math/math.h: Trivial fix for unbalanced parentheses in comment.
* math/Makefile [CXX] (tests): Add test-math-iscanonical.cc.
(CFLAGS-test-math-iscanonical.cc): New variable.
* math/test-math-iscanonical.cc: New file.
* sysdeps/ieee754/ldbl-96/bits/iscanonical.h (iscanonical):
Provide a C++ implementation based on function overloading,
rather than using __MATH_TG, which uses C-only builtins.
* sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h (iscanonical):
Likewise.
* sysdeps/powerpc/powerpc64le/Makefile
(CFLAGS-test-math-iscanonical.cc): New variable.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 +++++++++
math/Makefile | 4 ++-
math/math.h | 2 +-
...st-finite-macros.c => test-math-iscanonical.cc} | 31 ++++++++++++++------
sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h | 21 ++++++++++++-
sysdeps/ieee754/ldbl-96/bits/iscanonical.h | 19 +++++++++++-
sysdeps/powerpc/powerpc64le/Makefile | 1 +
7 files changed, 79 insertions(+), 14 deletions(-)
copy math/{test-finite-macros.c => test-math-iscanonical.cc} (66%)
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>From glibc-bugs-return-39114-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 03 19:11:44 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug math/22235] iscanonical in C++ and float128
Date: Tue, 03 Oct 2017 19:11:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22235
Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #3 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
Fixed for 2.27.
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Subject: [Bug math/22235] iscanonical in C++ and float128
Date: Tue, 03 Oct 2017 20:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22235
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.26/master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b10c5d2abb0392d5ecfd865e2eb911ac109e36f
commit 3b10c5d2abb0392d5ecfd865e2eb911ac109e36f
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Mon Oct 2 14:46:35 2017 -0300
Add C++ versions of iscanonical for ldbl-96 and ldbl-128ibm (bug 22235)
All representations of floating-point numbers in types with IEC 60559
binary exchange format are canonical. On the other hand, types with IEC
60559 extended formats, such as those implemented under ldbl-96 and
ldbl-128ibm, contain representations that are not canonical.
TS 18661-1 introduced the type-generic macro iscanonical, which returns
whether a floating-point value is canonical or not. In Glibc, this
type-generic macro is implemented using the macro __MATH_TG, which, when
support for float128 is enabled, relies on __builtin_types_compatible_p
to select between floating-point types. However, this use of
iscanonical breaks C++ applications, because the builtin is only
available in C mode.
This patch provides a C++ implementation of iscanonical that relies on
function overloading, rather than builtins, to select between
floating-point types.
Unlike the C++ implementations for iszero and issignaling, this
implementation ignores __NO_LONG_DOUBLE_MATH. The double type always
matches IEC 60559 double format, which is always canonical. Thus, when
double and long double are the same (__NO_LONG_DOUBLE_MATH), iscanonical
always returns 1 and is not implemented with __MATH_TG.
Tested for powerpc64, powerpc64le and x86_64.
[BZ #22235]
* math/math.h: Trivial fix for unbalanced parentheses in comment.
* math/Makefile [CXX] (tests): Add test-math-iscanonical.cc.
(CFLAGS-test-math-iscanonical.cc): New variable.
* math/test-math-iscanonical.cc: New file.
* sysdeps/ieee754/ldbl-96/bits/iscanonical.h (iscanonical):
Provide a C++ implementation based on function overloading,
rather than using __MATH_TG, which uses C-only builtins.
* sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h (iscanonical):
Likewise.
* sysdeps/powerpc/powerpc64le/Makefile
(CFLAGS-test-math-iscanonical.cc): New variable.
(cherry picked from commit aa0235dfdebffe9b338deba51f3ba563ee9b433d)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 +++++++++
NEWS | 1 +
math/Makefile | 4 ++-
math/math.h | 2 +-
debug/tst-ssp-1.c => math/test-math-iscanonical.cc | 33 +++++++++++---------
sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h | 21 +++++++++++-
sysdeps/ieee754/ldbl-96/bits/iscanonical.h | 19 +++++++++++-
sysdeps/powerpc/powerpc64le/Makefile | 1 +
8 files changed, 76 insertions(+), 20 deletions(-)
copy debug/tst-ssp-1.c => math/test-math-iscanonical.cc (65%)
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
Date: Tue, 03 Oct 2017 22:46:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-10-03
CC| |carlos at redhat dot com
Ever confirmed|0 |1
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
I confirm this needs fixing. In fillin_rpath we need to detect the error and
raise a signal with an error like we do in all the error paths.
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
Date: Tue, 03 Oct 2017 22:55:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
Are you able to test a master glibc with a patch like this?
diff --git a/elf/dl-load.c b/elf/dl-load.c
index a067760..6ddceda 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -439,6 +439,9 @@ fillin_rpath (char *rpath, struct r_search_path_elem
**result, const char *sep,
struct r_search_path_elem *dirp;
to_free = cp = expand_dynamic_string_token (l, cp, 1);
+ if (cp == NULL)
+ _dl_signal_error (ENOMEM, NULL, NULL,
+ N_("cannot expand dynamic string token"));
size_t len = strlen (cp);
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Subject: [Bug libc/19574] glibc should support building static PIE binaries
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=64d957024bd253920061cc4c75ddf1287e42c17b
commit 64d957024bd253920061cc4c75ddf1287e42c17b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 17:35:17 2017 -0700
Fix --enable-static-pie
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8be686b5d2149f04b2328d0b3d1f6fbe40e4e47f
commit 8be686b5d2149f04b2328d0b3d1f6fbe40e4e47f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 17:11:55 2017 -0700
test-math-iscanonical.cc: Replace bool with int
Fix GCC 7 compilation error:
test-math-iscanonical.cc: In function ‘void check_type()’:
test-math-iscanonical.cc:33:11: error: use of an operand of type ‘bool’ in
‘operator++’ is deprecated [-Werror=deprecated]
errors++;
^~
* math/test-math-iscanonical.cc (error): Replace bool with int.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7dbd6f4b7e299a6448838ac2d33d2340eddc3f8f
commit 7dbd6f4b7e299a6448838ac2d33d2340eddc3f8f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 16:43:10 2017 -0700
Fix Use $(DEFAULT-LDFLAGS-$(@F)) in +link-static-before-libc
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=26dba541029a992ec3bc28db72c261ca92fff62b
commit 26dba541029a992ec3bc28db72c261ca92fff62b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 16:05:59 2017 -0700
Update dl-reloc-static-pie.c
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6f429fe0f1c7a5d16dec356cfa4c7bbca39b9f11
commit 6f429fe0f1c7a5d16dec356cfa4c7bbca39b9f11
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 16:04:03 2017 -0700
Add dl-reloc-static-pie.c
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=86ffc842702faea44f7b3ebf76fac99bf326fcbc
commit 86ffc842702faea44f7b3ebf76fac99bf326fcbc
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a8fd5b03471befddc3cdbed00d7db54298660023
commit a8fd5b03471befddc3cdbed00d7db54298660023
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b4a008a2de115f102d1ea4a62f50ac17bda2692c
commit b4a008a2de115f102d1ea4a62f50ac17bda2692c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=26980a9466847ff15bff60a9a36498da1c7f5d46
commit 26980a9466847ff15bff60a9a36498da1c7f5d46
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3c6968d9f5b7b47e1099b090239d6d240b8cad52
commit 3c6968d9f5b7b47e1099b090239d6d240b8cad52
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a98e37b67d6a1ae6eb499b0c9dd23b664a1e165
commit 9a98e37b67d6a1ae6eb499b0c9dd23b664a1e165
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dfa19eda45eefa5f6b2845f42ef8146cee30828d
commit dfa19eda45eefa5f6b2845f42ef8146cee30828d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=761b339e1530aae4fa43d3b5972d6b6d980ced71
commit 761b339e1530aae4fa43d3b5972d6b6d980ced71
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4209ccbd250c858db5972bad8eef985d0e558d02
commit 4209ccbd250c858db5972bad8eef985d0e558d02
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=42b7a7665875ae3e8cabd1ab53379357509d490c
commit 42b7a7665875ae3e8cabd1ab53379357509d490c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c3b2185725b349597a399116010960520097f255
commit c3b2185725b349597a399116010960520097f255
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 15:37:10 2017 -0700
Don't use hidden visibility in libc.a with PIE on i386
On i386, when multi-arch is enabled, all external functions must be
called via PIC PLT in PIE, which requires setting up EBX register,
since they may be IFUNC functions.
* config.h.in (NO_HIDDEN_EXTERN_FUNC_IN_PIE): New.
* include/libc-symbols.h (__hidden_proto_hiddenattr): Add check
for PIC and NO_HIDDEN_EXTERN_FUNC_IN_PIE.
* sysdeps/i386/configure.ac (NO_HIDDEN_EXTERN_FUNC_IN_PIE): New
AC_DEFINE if multi-arch is enabled.
* sysdeps/i386/configure: Regenerated.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2792d2c0983d9d89569216a4dd5ee5e388c40a40
commit 2792d2c0983d9d89569216a4dd5ee5e388c40a40
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, arm, hppa,
m68k, microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, arm, hppa, ia64, m68k, microblaze,
mips, nios2, powerpc, s390, sh, sparc and tile.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Add $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* elf/dl-support.c: Include "dynamic-link.h" and don't include
"get-dynamic-info.h" for --enable-static-pie.
(_dl_relocate_static_pie): New function for --enable-static-pie.
(STATIC_PIE_BOOTSTRAP): New for --enable-static-pie.
(BOOTSTRAP_MAP): Likewise.
(RESOLVE_MAP): Likewise.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4d73532f5636be52b6445be9d0a2eafee5f4ba24
commit 4d73532f5636be52b6445be9d0a2eafee5f4ba24
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 06:54:54 2017 -0700
i386: Use "movl main@GOT(%ebx), %eax" in start.S
Don't use "leal main@GOTOFF(%ebx), %eax" since main may be in a
shared object. Linker will convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
* sysdeps/i386/start.S: Replace "leal main@GOT(%ebx), %eax" with
"movl main@GOTOFF(%ebx), %eax".
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6e0cd13bf81411f222810240328aa03b2313a966
commit 6e0cd13bf81411f222810240328aa03b2313a966
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 06:48:11 2017 -0700
Add a test for main () in a shared object
Verify that crt1.o can be used with main () in a shared object.
* elf/Makefile (tests): Add tst-main1.
(modules-names): Add tst-main1mod.
($(objpfx)tst-main1): New.
(CRT-tst-main1): Likewise.
(LDFLAGS-tst-main1): Likewise.
(LDLIBS-tst-main1): Likewise.
(tst-main1mod.so-no-z-defs): Likewise.
* elf/tst-main1.c: New file.
* elf/tst-main1mod.c: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=42bbc3513379917d1760a7f60e347cc91b565fb9
commit 42bbc3513379917d1760a7f60e347cc91b565fb9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 14:35:52 2017 -0700
Revert x86: Allow undefined _DYNAMIC in static executable
This code is used in non-PIE static executable and static PIE. It checks
if _DYNAMIC is undefined before using it to compute load address. But
not all targets can convert access _DYNAMIC via GOT, which needs dynamic
relocation, to PC-relative at link-time.
* sysdeps/i386/dl-machine.h (elf_machine_load_address): Don't
allow undefined _DYNAMIC in PIE libc.a.
* sysdeps/x86_64/dl-machine.h (elf_machine_load_address):
Likewse.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6f3ce7fc4381fa522634755950d36ef870dc594e
commit 6f3ce7fc4381fa522634755950d36ef870dc594e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 15:40:34 2017 -0700
mips: Don't check _DYNAMIC in elf_machine_load_address
Since mips can't convert access _DYNAMIC via GOT, which needs dynamic
relocation, to PC-relative at link-time, don't check _DYNAMIC in
elf_machine_load_address.
* sysdeps/mips/dl-machine.h (elf_machine_load_address): Don't
check _DYNAMIC.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0bf96e84ef82eba764b729c6946b482d8b8a839f
commit 0bf96e84ef82eba764b729c6946b482d8b8a839f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 15:36:22 2017 -0700
arm: Don't check _DYNAMIC in elf_machine_load_address
Since arm can't convert access _DYNAMIC via GOT, which needs dynamic
relocation, to PC-relative at link-time, don't check _DYNAMIC in
elf_machine_load_address.
* sysdeps/arm/dl-machine.h (elf_machine_load_address): Don't
check _DYNAMIC.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4ff3d69aa407f815c1ddc3623ae045dde55f2b7f
commit 4ff3d69aa407f815c1ddc3623ae045dde55f2b7f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 15:02:19 2017 -0700
Use $(DEFAULT-LDFLAGS-$(@F)) in +link-static-before-libc
Use $(LDFLAGS-$(@F)) with tst-tls1-static-non-pie may not be sufficient
when static PIE is built by default. Use $(DEFAULT-LDFLAGS-$(@F)) in
+link-static-before-libc to make sure that tst-tls1-static-non-pie is
always built as non-PIE static executable.
* Makeconfig (+link-static-before-libc): Use
$(DEFAULT-LDFLAGS-$(@F)).
* elf/Makefile (LDFLAGS-tst-tls1-static-non-pie): Renamed to ...
(DEFAULT-LDFLAGS-tst-tls1-static-non-pie): This.
-----------------------------------------------------------------------
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>From glibc-bugs-return-39119-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 07:03:36 2017
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Subject: [Bug libc/22237] Check internal symbols of libc.so accessed via PLT or GOT
Date: Wed, 04 Oct 2017 07:03:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
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>From glibc-bugs-return-39120-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 07:11:04 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
Date: Wed, 04 Oct 2017 07:11:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
decompose_rpath has this:
fillin_rpath (copy, result, ":", 0, what, where, l);
/* Free the copied RPATH string. `fillin_rpath' make own copies if
necessary. */
free (copy);
Other callers of fillin_rpath also have local allocations that they need to
free.
So we can throw from from fillin_rpath without introducing a memory leak. I
expect it will be easier to make fillin_rpath to return an error code than to
change the callers to catch and reraise the exception.
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>From glibc-bugs-return-39121-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 07:43:54 2017
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From: "seltenreich at gmx dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
Date: Wed, 04 Oct 2017 07:43:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22238
--- Comment #4 from seltenreich at gmx dot de ---
carlos at redhat dot com writes:
> Are you able to test a master glibc with a patch like this?
I could give a patched master glibc a spin on my testing rig over the
weekend. During the last testing, about 5 core dumps with the above
backtraces were generated per hour, so I guess re-testing would give a
reasonable confidence that it is fixed after running for a couple hours.
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>From glibc-bugs-return-39122-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 08:59:41 2017
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Wed, 04 Oct 2017 08:59:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at ab0809ccface7f63fd4f0e055c677e77b2d01008 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ab0809ccface7f63fd4f0e055c677e77b2d01008
commit ab0809ccface7f63fd4f0e055c677e77b2d01008
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=642c130061bf0a2e35943a88a63ae90de86abf89
commit 642c130061bf0a2e35943a88a63ae90de86abf89
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8c3c555b62e91fcdb3065805c12053e991553a2d
commit 8c3c555b62e91fcdb3065805c12053e991553a2d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b354f7c233d1d859b10e7b086bc145313604222c
commit b354f7c233d1d859b10e7b086bc145313604222c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c8ce29efb2808b1ada02b5a0206722476080aa95
commit c8ce29efb2808b1ada02b5a0206722476080aa95
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=749617e6ba915234313d2879d2b8ae267ae90171
commit 749617e6ba915234313d2879d2b8ae267ae90171
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e942ecd67439b7d2c071fad571b30aa9f6dc9652
commit e942ecd67439b7d2c071fad571b30aa9f6dc9652
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=64eac2bc887b9fbc420de6234a88ab8ca23c20a0
commit 64eac2bc887b9fbc420de6234a88ab8ca23c20a0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4ddb52a88b25e2a8b36074930cd1e1cff6b1c8c2
commit 4ddb52a88b25e2a8b36074930cd1e1cff6b1c8c2
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=460ec96cf757b9b3e472cf06398716e8fa8bbe9d
commit 460ec96cf757b9b3e472cf06398716e8fa8bbe9d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=658c5c67ee1716a555a3c56edc97eeedea98eb3b
commit 658c5c67ee1716a555a3c56edc97eeedea98eb3b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 22 15:37:10 2017 -0700
Don't use hidden visibility in libc.a with PIE on i386
On i386, when multi-arch is enabled, all external functions must be
called via PIC PLT in PIE, which requires setting up EBX register,
since they may be IFUNC functions.
* config.h.in (NO_HIDDEN_EXTERN_FUNC_IN_PIE): New.
* include/libc-symbols.h (__hidden_proto_hiddenattr): Add check
for PIC and NO_HIDDEN_EXTERN_FUNC_IN_PIE.
* sysdeps/i386/configure.ac (NO_HIDDEN_EXTERN_FUNC_IN_PIE): New
AC_DEFINE if multi-arch is enabled.
* sysdeps/i386/configure: Regenerated.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=87cef0df3062b7fe6a2b2e52d726ffd6271504e1
commit 87cef0df3062b7fe6a2b2e52d726ffd6271504e1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
crt1.o, which is used to create dynamic and non-PIE static executables,
is updated to include a dummy _dl_relocate_static_pie. Pcrt1.o is added
to create static PIE, which will link in the real _dl_relocate_static_pie.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, m68k, s390 and sh.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `P' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag). Use the first of $(CRT-$(@F)) and
$(csu-objpfx)$(static-start-installed-name).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add P$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(all-static-start-installed-names): New.
(extra-objs): Use it.
(omit-deps): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o.
($(objpfx)$(start-installed-name)): Include $(objpfx)static-reloc.o.
($(objpfx)P$(start-installed-name)): New.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_main_map): Make it hidden global.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5ab38a8b89415d4ca59d46ff5a036859a3918a1e
commit 5ab38a8b89415d4ca59d46ff5a036859a3918a1e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 06:48:11 2017 -0700
Add a test for main () in a shared object
Verify that crt1.o can be used with main () in a shared object.
* elf/Makefile (tests): Add tst-main1.
(modules-names): Add tst-main1mod.
($(objpfx)tst-main1): New.
(CRT-tst-main1): Likewise.
(LDFLAGS-tst-main1): Likewise.
(LDLIBS-tst-main1): Likewise.
(tst-main1mod.so-no-z-defs): Likewise.
* elf/tst-main1.c: New file.
* elf/tst-main1mod.c: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a0b9dd6c93d349722f7266aac8e5f27686b8cbbe
commit a0b9dd6c93d349722f7266aac8e5f27686b8cbbe
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 3 15:02:19 2017 -0700
Use $(DEFAULT-LDFLAGS-$(@F)) in +link-static-before-libc
Use $(LDFLAGS-$(@F)) with tst-tls1-static-non-pie may not be sufficient
when static PIE is built by default. Use $(DEFAULT-LDFLAGS-$(@F)) in
+link-static-before-libc to make sure that tst-tls1-static-non-pie is
always built as non-PIE static executable and make sure that crt1.o is
used with tst-tls1-static-non-pie.
* Makeconfig (+link-static-before-libc): Use
$(DEFAULT-LDFLAGS-$(@F)).
* elf/Makefile (CRT-tst-tls1-static-non-pie): New.
(LDFLAGS-tst-tls1-static-non-pie): Renamed to ...
(DEFAULT-LDFLAGS-tst-tls1-static-non-pie): This.
-----------------------------------------------------------------------
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
Date: Wed, 04 Oct 2017 09:05:00 -0000
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
ITYM "we cannot throw from fillin_rpath".
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To: glibc-bugs@sourceware.org
Subject: [Bug math/22243] log2(0) and log10(0) are wrong in downward rounding without the svid compat wrapper
Date: Wed, 04 Oct 2017 09:16:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
via 86c27ade1e44e29922d33676f950f7334edb37a7 (commit)
via 8f8f8ef7aba40ef883291e4c4d95a419c3327d70 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=86c27ade1e44e29922d33676f950f7334edb37a7
commit 86c27ade1e44e29922d33676f950f7334edb37a7
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue Oct 3 18:12:42 2017 +0100
[BZ #22244] Fix yn(n,0) without SVID wrapper
Without SVID compat wrapper yn(n,0) and ynf(n,0) does not raise
the divide-by-zero excpetion and it may return inf with the wrong
sign for n < 0.
[BZ #22244]
* sysdeps/ieee754/dbl-64/e_jn.c (__ieee754_yn): Fix x == 0 case.
* sysdeps/ieee754/flt-32/e_jnf.c (__ieee754_ynf): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8f8f8ef7aba40ef883291e4c4d95a419c3327d70
commit 8f8f8ef7aba40ef883291e4c4d95a419c3327d70
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue Oct 3 17:13:18 2017 +0100
[BZ #22243] fix log2(0) and log(10) in downward rounding
On 64bit targets if the SVID compat wrapper is suppressed (e.g. static
linking)
then log2(0) and log10(0) returned inf instead of -inf.
[BZ #22243]
* sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c (__ieee754_log10): Use
fabs.
* sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c (__ieee754_log2):
Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
sysdeps/ieee754/dbl-64/e_jn.c | 10 +++++-----
sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c | 2 +-
sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c | 2 +-
sysdeps/ieee754/flt-32/e_jnf.c | 6 +++---
5 files changed, 22 insertions(+), 10 deletions(-)
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Subject: [Bug math/22244] ynf and yn are wrong without the svid compat wrapper
Date: Wed, 04 Oct 2017 09:16:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=86c27ade1e44e29922d33676f950f7334edb37a7
commit 86c27ade1e44e29922d33676f950f7334edb37a7
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue Oct 3 18:12:42 2017 +0100
[BZ #22244] Fix yn(n,0) without SVID wrapper
Without SVID compat wrapper yn(n,0) and ynf(n,0) does not raise
the divide-by-zero excpetion and it may return inf with the wrong
sign for n < 0.
[BZ #22244]
* sysdeps/ieee754/dbl-64/e_jn.c (__ieee754_yn): Fix x == 0 case.
* sysdeps/ieee754/flt-32/e_jnf.c (__ieee754_ynf): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8f8f8ef7aba40ef883291e4c4d95a419c3327d70
commit 8f8f8ef7aba40ef883291e4c4d95a419c3327d70
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue Oct 3 17:13:18 2017 +0100
[BZ #22243] fix log2(0) and log(10) in downward rounding
On 64bit targets if the SVID compat wrapper is suppressed (e.g. static
linking)
then log2(0) and log10(0) returned inf instead of -inf.
[BZ #22243]
* sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c (__ieee754_log10): Use
fabs.
* sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c (__ieee754_log2):
Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
sysdeps/ieee754/dbl-64/e_jn.c | 10 +++++-----
sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c | 2 +-
sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c | 2 +-
sysdeps/ieee754/flt-32/e_jnf.c | 6 +++---
5 files changed, 22 insertions(+), 10 deletions(-)
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>From glibc-bugs-return-39126-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 09:33:33 2017
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From: "nszabolcs at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22243] log2(0) and log10(0) are wrong in downward rounding without the svid compat wrapper
Date: Wed, 04 Oct 2017 09:33:00 -0000
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Szabolcs Nagy <nszabolcs at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Szabolcs Nagy <nszabolcs at gmail dot com> ---
fixed.
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>From glibc-bugs-return-39127-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 09:34:09 2017
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Subject: [Bug math/22244] ynf and yn are wrong without the svid compat wrapper
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Szabolcs Nagy <nszabolcs at gmail dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #2 from Szabolcs Nagy <nszabolcs at gmail dot com> ---
fixed.
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>From glibc-bugs-return-39128-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 09:38:09 2017
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Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #5)
> ITYM "we cannot throw from fillin_rpath".
Right, I meant to write *cannot throw* in comment 3.
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>From glibc-bugs-return-39129-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 11:13:30 2017
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From: "dilfridge at gentoo dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22247] New: CVE-2017-14062 : Integer overflow in the decode_digit function in puny_decode.c in libidn
Date: Wed, 04 Oct 2017 11:13:00 -0000
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Bug ID: 22247
Summary: CVE-2017-14062 : Integer overflow in the decode_digit
function in puny_decode.c in libidn
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: dilfridge at gentoo dot org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
In bug Gentoo-629466 [1] Jeroen Roovers found that glibc is vulnerable to the
same CVE-2017-14062 [2] as libidn is; see also bug Gentoo-632556 [3].
"Integer overflow in the decode_digit function in puny_decode.c in Libidn2
before 2.0.4 allows remote attackers to cause a denial of service or possibly
have unspecified other impact."
The backport to libidn-1, which should also apply to the glibc code, can be
found here [4].
[1] https://bugs.gentoo.org/show_bug.cgi?id=629466
[2] https://nvd.nist.gov/vuln/detail/CVE-2017-14062
[3] https://bugs.gentoo.org/632556
[4]
https://git.savannah.gnu.org/gitweb/?p=libidn.git;a=commitdiff;h=e9e81b8063b095b02cf104bb992fa9bf9515b9d8
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>From glibc-bugs-return-39130-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 11:15:41 2017
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Subject: [Bug libc/22247] CVE-2017-14062 : Integer overflow in the decode_digit function in puny_decode.c in libidn
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Andreas K. Huettel <dilfridge at gentoo dot org> changed:
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----------------------------------------------------------------------------
See Also| |https://bugs.gentoo.org/sho
| |w_bug.cgi?id=632556
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>From glibc-bugs-return-39131-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 11:43:16 2017
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CC| |fweimer at redhat dot com
Flags| |security+
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>From glibc-bugs-return-39133-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 13:16:48 2017
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Subject: [Bug build/17956] Build fails on missing definitions from header file nss/nss.h when Mozilla NSS is used for cryptography
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--- Comment #25 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 57b4af1955e28c1623c98397b8597847d16bdd8c (commit)
from 64d1e08ea822bf47cb2796ad0f727136227f983c (commit)
Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=57b4af1955e28c1623c98397b8597847d16bdd8c
commit 57b4af1955e28c1623c98397b8597847d16bdd8c
Author: Guido Trentalancia <guido@trentalancia.net>
Date: Wed Oct 4 15:02:35 2017 +0200
crypt: Use NSPR header files in addition to NSS header files [BZ #17956]
When configuring and building GNU libc using the Mozilla NSS library
for cryptography (--enable-nss-crypt option), also include the
NSPR header files along with the Mozilla NSS library header files.
Finally, when running the check-local-headers test, ignore the
Mozilla NSPR library header files (used by the Mozilla NSS library).
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +++++++++++
configure | 6 +++++-
configure.ac | 6 +++++-
crypt/Makefile | 8 +++++---
scripts/check-local-headers.sh | 2 +-
5 files changed, 27 insertions(+), 6 deletions(-)
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>From glibc-bugs-return-39135-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 13:26:24 2017
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https://sourceware.org/bugzilla/show_bug.cgi?id=17956
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
CC| |fweimer at redhat dot com
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1489339
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #26 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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Subject: [Bug build/17956] Build fails on missing definitions from header file nss/nss.h when Mozilla NSS is used for cryptography
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--- Comment #27 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit 11c4f5010c58029e73e656d5df4f8f42c9b8e877
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Oct 4 15:49:06 2017 +0200
crypt: Adjust check-local-headers.sh for nspr4 include directory [BZ
#17956]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
scripts/check-local-headers.sh | 2 +-
2 files changed, 6 insertions(+), 1 deletions(-)
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----------------------------------------------------------------------------
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Subject: [Bug math/22244] ynf and yn are wrong without the svid compat wrapper
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Subject: [Bug math/22243] log2(0) and log10(0) are wrong in downward rounding without the svid compat wrapper
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Subject: [Bug math/22229] [sparc32] missing copysignl, fabsl, fmal compat symbols
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What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
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Target Milestone|--- |2.27
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.27.
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Subject: [Bug math/22229] [sparc32] missing copysignl, fabsl, fmal compat symbols
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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from 72d13ed1bdb3154adce67a74b7d6ec240a6b12a4 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32d372d548122b224ec63a520a780d9227094a48
commit 32d372d548122b224ec63a520a780d9227094a48
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Oct 4 16:46:05 2017 +0000
Restore sparc32 copysignl, fabsl, fmal compat symbols (bug 22229).
32-bit SPARC libm should have compat symbols for copysignl
(GLIBC_2.0), fabsl (GLIBC_2.0), fmal (GLIBC_2.1), pointing to the
double functions; they were present in glibc 2.8, for example, but are
now missing, probably when optimized SPARC function implementations
were added without appropriate compat symbol handling. The same
applies to copysignl in libc. This patch restores those compat
symbols.
Tested with build-many-glibcs.py for sparcv9-linux-gnu.
[BZ #22229]
* sysdeps/sparc/sparc32/fpu/s_copysign.S: Include
<math_ldbl_opt.h>
(copysignl): Define as compat symbol at version GLIBC_2_0 for libm
and libc.
* sysdeps/sparc/sparc32/fpu/s_fabs.S: Include <math_ldbl_opt.h>.
(fabsl): Define as compat symbol at version GLIBC_2_0 for libm.
* sysdeps/sparc/sparc32/fpu/s_fma.c: Include <math_ldbl_opt.h>.
(fmal): Define as compat symbol at version GLIBC_2_1 for libm.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S:
Include <math_ldbl_opt.h>
(copysignl): Define as compat symbol at version GLIBC_2_0 for libm
and libc.
(compat_symbol): Undefine and redefine.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S: Include
<math_ldbl_opt.h>
(fabsl): Define as compat symbol at version GLIBC_2_0 for libm.
(compat_symbol): Undefine and redefine.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c
[HAVE_AS_VIS3_SUPPORT]: Include <math_ldbl_opt.h>.
[HAVE_AS_VIS3_SUPPORT] (fmal): Define as compat symbol at version
GLIBC_2_1 for libm.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Add
GLIBC_2.0 copysignl symbol.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Add
GLIBC_2.0 copysignl and fabsl and GLIBC_2.1 fmal symbols.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 27 ++++++++++++++++++++
sysdeps/sparc/sparc32/fpu/s_copysign.S | 9 ++++++-
sysdeps/sparc/sparc32/fpu/s_fabs.S | 4 +++
sysdeps/sparc/sparc32/fpu/s_fma.c | 4 +++
.../sparc32/sparcv9/fpu/multiarch/s_copysign.S | 9 ++++++
.../sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S | 6 ++++
.../sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c | 4 +++
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist | 1 +
sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist | 3 ++
9 files changed, 66 insertions(+), 1 deletions(-)
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>From glibc-bugs-return-39142-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 20:38:00 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/15686] Shared-object static constructors called with a lock held
Date: Wed, 04 Oct 2017 20:37:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
This is normally not a problem except when constructors spawn threads to do
additional work, which seems like a scenario we might support. In order to
support it we would have to quiesce the state of the loader, release the locks,
and run the constructor. This is something we have never supported before, but
could in the future.
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>From glibc-bugs-return-39143-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 22:22:05 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
Date: Wed, 04 Oct 2017 22:22:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22238
--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #3)
> decompose_rpath has this:
>
> fillin_rpath (copy, result, ":", 0, what, where, l);
>
> /* Free the copied RPATH string. `fillin_rpath' make own copies if
> necessary. */
> free (copy);
>
> Other callers of fillin_rpath also have local allocations that they need to
> free.
>
> So we can throw from from fillin_rpath without introducing a memory leak. I
> expect it will be easier to make fillin_rpath to return an error code than
> to change the callers to catch and reraise the exception.
I didn't notice that in my review. Good catch.
In which case we need to clean this up even more, but not much, there aren't
many users of fillin_rpath.
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>From glibc-bugs-return-39144-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 04 22:22:22 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
Date: Wed, 04 Oct 2017 22:22:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22238
--- Comment #8 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to seltenreich from comment #4)
> carlos at redhat dot com writes:
>
> > Are you able to test a master glibc with a patch like this?
>
> I could give a patched master glibc a spin on my testing rig over the
> weekend. During the last testing, about 5 core dumps with the above
> backtraces were generated per hour, so I guess re-testing would give a
> reasonable confidence that it is fixed after running for a couple hours.
Wait on that. We're going to get a better fix.
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>From glibc-bugs-return-39145-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 05 01:08:36 2017
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Thu, 05 Oct 2017 01:08:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at fdcd654de6a9157b8fe5a5d3ebc4010727d885fe (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fdcd654de6a9157b8fe5a5d3ebc4010727d885fe
commit fdcd654de6a9157b8fe5a5d3ebc4010727d885fe
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a305cebf497d8ba006dd4dd9a913184cbc6efc4b
commit a305cebf497d8ba006dd4dd9a913184cbc6efc4b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=998b75b5a06324473fa13f44384466056792d96b
commit 998b75b5a06324473fa13f44384466056792d96b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f1b8027262864bf8fccc9e8fc0d7526bd2e27760
commit f1b8027262864bf8fccc9e8fc0d7526bd2e27760
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f4a80fea9d091b58421b2cf0f5b9cee15667bcc1
commit f4a80fea9d091b58421b2cf0f5b9cee15667bcc1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=de133a5edbc640de98dbb75000bbecb06ef54dd3
commit de133a5edbc640de98dbb75000bbecb06ef54dd3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=72eaf5f48e60ab1361958a8d926fec451c1abbd4
commit 72eaf5f48e60ab1361958a8d926fec451c1abbd4
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e43e61ddb410f86c65eeff36ef71f284d53e33c
commit 4e43e61ddb410f86c65eeff36ef71f284d53e33c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f3e02e5cdf9bba70381bcb732c1060f61b1dfcd
commit 7f3e02e5cdf9bba70381bcb732c1060f61b1dfcd
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bd9e7ad5513910c796b610f4abd9a218ee89b477
commit bd9e7ad5513910c796b610f4abd9a218ee89b477
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bcfcd615fe4283371172f02ef87db4dbbf2f6e80
commit bcfcd615fe4283371172f02ef87db4dbbf2f6e80
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
crt1.o, which is used to create dynamic and non-PIE static executables,
is updated to include a dummy _dl_relocate_static_pie. Pcrt1.o is added
to create static PIE, which will link in the real _dl_relocate_static_pie.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, m68k, s390 and sh.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `P' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag). Use the first of $(CRT-$(@F)) and
$(csu-objpfx)$(static-start-installed-name).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add P$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(all-static-start-installed-names): New.
(extra-objs): Use it.
(omit-deps): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o.
($(objpfx)$(start-installed-name)): Include $(objpfx)static-reloc.o.
($(objpfx)P$(start-installed-name)): New.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_main_map): Make it hidden global.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
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Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
Date: Thu, 05 Oct 2017 04:28:00 -0000
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--- Comment #10 from Carlos O'Donell <carlos at redhat dot com> ---
Created attachment 10506
--> https://sourceware.org/bugzilla/attachment.cgi?id=10506&action=edit
swbz22238-v2.patch
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
Date: Thu, 05 Oct 2017 04:28:00 -0000
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--- Comment #9 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #8)
> (In reply to seltenreich from comment #4)
> > carlos at redhat dot com writes:
> >
> > > Are you able to test a master glibc with a patch like this?
> >
> > I could give a patched master glibc a spin on my testing rig over the
> > weekend. During the last testing, about 5 core dumps with the above
> > backtraces were generated per hour, so I guess re-testing would give a
> > reasonable confidence that it is fixed after running for a couple hours.
>
> Wait on that. We're going to get a better fix.
OK, I'm doing fault injection on the new fix to see if there was anything I
missed.
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Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Thu, 05 Oct 2017 04:43:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
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| |com, maiku.fabian at gmail dot com
Assignee|unassigned at sourceware dot org |maiku.fabian at gmail dot com
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>From glibc-bugs-return-39149-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 05 05:42:07 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
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--- Comment #11 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #10)
> Created attachment 10506 [details]
> swbz22238-v2.patch
OK, this is what I ended up with.
/home/carlos/support/swbz22238/test: error while loading shared libraries:
NULL: cannot process RPATH: Cannot allocate memory
I had to fix one more thing though:
diff --git a/elf/dl-error-skeleton.c b/elf/dl-error-skeleton.c
index 5b0fc89..6543e39 100644
--- a/elf/dl-error-skeleton.c
+++ b/elf/dl-error-skeleton.c
@@ -75,6 +75,8 @@ fatal_error (int errcode, const char *objname, const char
*occasion,
const char *errstring)
{
char buffer[1024];
+ if (objname == NULL)
+ objname = "NULL";
_dl_fatal_printf ("%s: %s: %s%s%s%s%s\n",
RTLD_PROGNAME,
occasion ?: N_("error while loading shared libraries"),
---
Otherwise we crash in fatal_error attempting to deref objname.
Florian, what do you think we should do here? It's common practice to elide
objname in some of these calls and use NULL.
In the old code after refactoring we had:
9e78f6f6 (Florian Weimer 2016-11-30 15:59:57 +0100 89) if (objname == NULL)
9e78f6f6 (Florian Weimer 2016-11-30 15:59:57 +0100 90) objname = "";
Which we dropped in a later cleanup.
We should probably put back the these two lines in fatal_error.
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Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
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--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Carlos O'Donell from comment #10)
> Created attachment 10506 [details]
> swbz22238-v2.patch
Patch has implicit comparison against zero, and we nowadays prefer to declare
local variables on first use. The general approach appears to be fine, though.
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Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
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--- Comment #13 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Carlos O'Donell from comment #11)
> I had to fix one more thing though:
>
> diff --git a/elf/dl-error-skeleton.c b/elf/dl-error-skeleton.c
> index 5b0fc89..6543e39 100644
> --- a/elf/dl-error-skeleton.c
> +++ b/elf/dl-error-skeleton.c
> @@ -75,6 +75,8 @@ fatal_error (int errcode, const char *objname, const char
> *occasion,
> const char *errstring)
> {
> char buffer[1024];
> + if (objname == NULL)
> + objname = "NULL";
> _dl_fatal_printf ("%s: %s: %s%s%s%s%s\n",
> RTLD_PROGNAME,
> occasion ?: N_("error while loading shared libraries"),
> ---
>
> Otherwise we crash in fatal_error attempting to deref objname.
>
> Florian, what do you think we should do here? It's common practice to elide
> objname in some of these calls and use NULL.
>
> In the old code after refactoring we had:
> 9e78f6f6 (Florian Weimer 2016-11-30 15:59:57 +0100 89) if (objname ==
> NULL)
> 9e78f6f6 (Florian Weimer 2016-11-30 15:59:57 +0100 90) objname = "";
>
> Which we dropped in a later cleanup.
>
> We should probably put back the these two lines in fatal_error.
Right, but this is a separate fix (and please use "", not "NULL").
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22247] CVE-2017-14062 : Integer overflow in the decode_digit function in puny_decode.c in libidn
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--- Comment #1 from Andreas K. Huettel <dilfridge at gentoo dot org> ---
Needs another libidn commit, it seems.
http://git.savannah.gnu.org/gitweb/?p=libidn.git;a=commit;h=6c8a9375641ca283b50f9680c90dcd57f9c44798
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Subject: [Bug libc/22264] New: Check PIC instead of SHARED for PIC code path
Date: Thu, 05 Oct 2017 12:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22264
Bug ID: 22264
Summary: Check PIC instead of SHARED for PIC code path
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
SHARED is checked in:
sysdeps/arm/__longjmp.S:# ifdef SHARED
sysdeps/arm/dl-tlsdesc.S:#ifdef SHARED
sysdeps/arm/dl-tlsdesc.S:#endif /* SHARED */
sysdeps/arm/setjmp.S:# ifdef SHARED
sysdeps/ia64/fpu/e_exp2f.S:#ifdef SHARED
sysdeps/ia64/fpu/e_expf.S:#ifdef SHARED
sysdeps/ia64/fpu/e_log2f.S:#ifdef SHARED
sysdeps/ia64/fpu/e_logf.S:#ifdef SHARED
sysdeps/ia64/fpu/e_powf.S:#ifdef SHARED
sysdeps/ia64/fpu/e_powl.S:POWL_64_SHARED:
sysdeps/microblaze/_mcount.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/a2/memcpy.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S:# ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_ceil.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_ceilf.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_floor.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_floorf.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_lround.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_nearbyint.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_nearbyintf.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_rint.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_rintf.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_round.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_round.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_roundf.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_roundf.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_trunc.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/s_truncf.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/fpu/setjmp-common.S:# ifdef SHARED
sysdeps/powerpc/powerpc32/memset.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/power4/multiarch/bzero-ppc32.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/power4/multiarch/strchr-ppc32.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/power7/fpu/s_finite.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/power7/fpu/s_isinf.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S:#ifdef SHARED
sysdeps/powerpc/powerpc32/power7/strcasecmp.S:# ifdef SHARED
sysdeps/powerpc/powerpc32/power7/strcasecmp.S:# endif /* SHARED */
sysdeps/powerpc/powerpc32/ppc-mcount.S:#ifndef SHARED
sysdeps/powerpc/powerpc64/__longjmp-common.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/__longjmp-common.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/dl-trampoline.S:#ifndef SHARED
sysdeps/powerpc/powerpc64/dl-trampoline.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/dl-trampoline.S:#ifdef SHARED
sysdeps/powerpc/powerpc64/dl-trampoline.S:#ifndef SHARED
sysdeps/powerpc/powerpc64/dl-trampoline.S:#ifndef SHARED
sysdeps/powerpc/powerpc64/multiarch/stpncpy-power7.S:#ifdef SHARED
sysdeps/powerpc/powerpc64/multiarch/stpncpy-power8.S:#ifdef SHARED
sysdeps/powerpc/powerpc64/multiarch/strchr-ppc64.S:#ifdef SHARED
sysdeps/powerpc/powerpc64/multiarch/strncpy-power7.S:#ifdef SHARED
sysdeps/powerpc/powerpc64/multiarch/strncpy-power8.S:#ifdef SHARED
sysdeps/powerpc/powerpc64/multiarch/strstr-power7.S:#ifdef SHARED
sysdeps/powerpc/powerpc64/power7/strncpy.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/power7/strstr.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/power7/strstr.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/power7/strstr.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/power8/strcasestr.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/power8/strcasestr.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/power8/strcasestr.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/power8/strncpy.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/ppc-mcount.S:#ifndef SHARED
sysdeps/powerpc/powerpc64/setjmp-common.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/setjmp-common.S:# ifdef SHARED
sysdeps/powerpc/powerpc64/setjmp-common.S:#elif defined SHARED
sysdeps/sh/_mcount.S:#ifdef SHARED
sysdeps/sh/_mcount.S:#ifdef SHARED
sysdeps/sh/bsd-_setjmp.S:#ifdef SHARED
sysdeps/sh/bsd-setjmp.S:#ifdef SHARED
sysdeps/sh/dl-trampoline.S:#ifdef SHARED
sysdeps/sh/dl-trampoline.S:#ifdef SHARED
sysdeps/sh/dl-trampoline.S:#ifdef SHARED
sysdeps/sh/dl-trampoline.S:#ifdef SHARED
sysdeps/sh/dl-trampoline.S:#ifdef SHARED
sysdeps/sh/dl-trampoline.S:#ifdef SHARED
sysdeps/sh/sh3/setjmp.S:# ifdef SHARED
sysdeps/sh/sh4/setjmp.S:# ifdef SHARED
sysdeps/sparc/sparc64/cpu_relax.S:# ifdef SHARED
sysdeps/sparc/sparc64/cpu_relax.S:# ifdef SHARED
sysdeps/sparc/sparc64/cpu_relax.S:# ifdef SHARED
sysdeps/sparc/sparc64/cpu_relax.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/add_n.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/add_n.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/add_n.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/add_n.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/addmul_1.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/addmul_1.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/addmul_1.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/addmul_1.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memcpy.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memset.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memset.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memset.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memset.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memset.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memset.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memset.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memset.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memset.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/memset.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/mul_1.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/mul_1.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/mul_1.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/mul_1.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/sub_n.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/sub_n.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/sub_n.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/sub_n.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/submul_1.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/submul_1.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/submul_1.S:# ifdef SHARED
sysdeps/sparc/sparc64/multiarch/submul_1.S:# ifdef SHARED
sysdeps/unix/sh/sysdep.S:#ifndef SHARED
sysdeps/unix/sh/sysdep.S:#ifndef SHARED
sysdeps/unix/sysv/linux/m68k/m68k-helpers.S:# ifdef SHARED
sysdeps/unix/sysv/linux/m68k/m68k-helpers.S:# else /* !SHARED */
sysdeps/unix/sysv/linux/m68k/m68k-helpers.S:# endif /* SHARED */
sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S:# ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S:# ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S:# ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S:# ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S:#ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S:# ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S:#ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S:#ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S:# ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S:# ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S:#ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S:# ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S:#ifdef SHARED
sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S:# ifdef SHARED
If SHARED is checked to select PIC code path, it should be changed to
check PIC to support static PIE.
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Subject: [Bug stdio/15436] Don't close or flush stdio streams on abort
Date: Thu, 05 Oct 2017 12:56:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91e7cf982d0104f0e71770f5ae8e3faf352dea9f
commit 91e7cf982d0104f0e71770f5ae8e3faf352dea9f
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Oct 5 14:48:16 2017 +0200
abort: Do not flush stdio streams [BZ #15436]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
NEWS | 5 +++++
stdlib/abort.c | 29 +++++------------------------
3 files changed, 17 insertions(+), 24 deletions(-)
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Subject: [Bug stdio/15436] Don't close or flush stdio streams on abort
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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Subject: [Bug libc/19574] glibc should support building static PIE binaries
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--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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The branch, hjl/pie/static has been created
at f587daf25136646a5a2de01c04814c930f0897c7 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f587daf25136646a5a2de01c04814c930f0897c7
commit f587daf25136646a5a2de01c04814c930f0897c7
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3ee7525f8edc4907f70e0eb905957e8eca6bd099
commit 3ee7525f8edc4907f70e0eb905957e8eca6bd099
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3969f58b55fb6d7b051b7666bf172515a6291ae2
commit 3969f58b55fb6d7b051b7666bf172515a6291ae2
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b0286374c12aedd127a625a931c8269b2e0a9ae1
commit b0286374c12aedd127a625a931c8269b2e0a9ae1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d32b55506513141311444cdf3e1a1d382e93552a
commit d32b55506513141311444cdf3e1a1d382e93552a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ffc326a9bb88a7111327db0bb581cf04feb50ceb
commit ffc326a9bb88a7111327db0bb581cf04feb50ceb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=938f1fb2c52412a395148d9e62aabe5e5e296735
commit 938f1fb2c52412a395148d9e62aabe5e5e296735
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1b8670104f21dbd639ccba92ea838c60d07a24c8
commit 1b8670104f21dbd639ccba92ea838c60d07a24c8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=db977155c5f038581905db2267fe67e435c14bce
commit db977155c5f038581905db2267fe67e435c14bce
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4edf60fa32443d077de566e0c67b74a60a2b5c01
commit 4edf60fa32443d077de566e0c67b74a60a2b5c01
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63696fa1d8b2d152b10540639e2eaa78f48c86c8
commit 63696fa1d8b2d152b10540639e2eaa78f48c86c8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
crt1.o, which is used to create dynamic and non-PIE static executables,
is updated to include a dummy _dl_relocate_static_pie. Pcrt1.o is added
to create static PIE, which will link in the real _dl_relocate_static_pie.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, m68k, s390 and sh.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a:
https://sourceware.org/bugzilla/show_bug.cgi?id=20179
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `P' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag). Use the first of $(CRT-$(@F)) and
$(csu-objpfx)$(static-start-installed-name).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add P$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
Don't add gPcrt1.o.
(extra-objs): Add static-reloc.o.
($(objpfx)$(start-installed-name)): Include $(objpfx)static-reloc.o.
($(objpfx)P$(start-installed-name)): New.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_main_map): Make it hidden global.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
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To: glibc-bugs@sourceware.org
Subject: [Bug stdio/15142] Missing locking in _IO_cleanup
Date: Thu, 05 Oct 2017 15:43:00 -0000
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This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=19f82f358670f4b80533156b9edbf81223358bf9
commit 19f82f358670f4b80533156b9edbf81223358bf9
Author: Andreas Schwab <schwab@suse.de>
Date: Mon Aug 21 16:07:29 2017 +0200
Always do locking when iterating over list of streams (bug 15142)
_IO_list_all should only be traversed while locking list_all_lock.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 +++++++
libio/genops.c | 60 ++++++++++++++++---------------------------------------
2 files changed, 26 insertions(+), 42 deletions(-)
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22264] Check PIC instead of SHARED for PIC code path
Date: Thu, 05 Oct 2017 16:04:00 -0000
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None of the ARM files listed look like they should be testing for PIC.
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Subject: [Bug libc/19574] glibc should support building static PIE binaries
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the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at 1533643281aceac6c0e4fc8c5fc23bb4d8231d84 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1533643281aceac6c0e4fc8c5fc23bb4d8231d84
commit 1533643281aceac6c0e4fc8c5fc23bb4d8231d84
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f01b79354b15c74ceb608b2adba100945462b0d3
commit f01b79354b15c74ceb608b2adba100945462b0d3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a8d35ee5c352f1dc8462b52a1736c381c6870f8a
commit a8d35ee5c352f1dc8462b52a1736c381c6870f8a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3dcd7e147ff5e5f071d176f725829f290d8a380d
commit 3dcd7e147ff5e5f071d176f725829f290d8a380d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9c0188668b358927a11d072cae14931f65e6f29a
commit 9c0188668b358927a11d072cae14931f65e6f29a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cb10c792647cb2bb3e9f0d4503ce602671e9d570
commit cb10c792647cb2bb3e9f0d4503ce602671e9d570
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=39abed4674273ced1adce7f85d5ba47ca73d1274
commit 39abed4674273ced1adce7f85d5ba47ca73d1274
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f256161edd3d97736e114ba24e6ecdc091cd143b
commit f256161edd3d97736e114ba24e6ecdc091cd143b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6989f9b7be76e467fa00819b059d746e7fe342a6
commit 6989f9b7be76e467fa00819b059d746e7fe342a6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d192dfe91049b1fd9e35470bc33242b42062ac80
commit d192dfe91049b1fd9e35470bc33242b42062ac80
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dc4e128babe69ab9f179653ebc24825cc73555ab
commit dc4e128babe69ab9f179653ebc24825cc73555ab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
crt1.o, which is used to create dynamic and non-PIE static executables,
is updated to include a dummy _dl_relocate_static_pie. Pcrt1.o is added
to create static PIE, which will link in the real _dl_relocate_static_pie.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, m68k, s390 and sh.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=20179
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `P' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag). Use the first of $(CRT-$(@F)) and
$(csu-objpfx)$(static-start-installed-name).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add P$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
Don't add gPcrt1.o.
(extra-objs): Add static-reloc.o.
($(objpfx)$(start-installed-name)): Include $(objpfx)static-reloc.o.
($(objpfx)P$(start-installed-name)): New.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Fri, 06 Oct 2017 08:54:00 -0000
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Christian Brauner <christian.brauner at mailbox dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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| |rg
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Fri, 06 Oct 2017 09:44:00 -0000
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--- Comment #5 from Christian Brauner <christian.brauner at mailbox dot org> ---
Hi,
I'm one of the authors of the original ttyname{_r}() patch you referred to.
Florian just made me aware of this bug report. Would've been cool if you
could've CCed us before. :)
(In reply to Luke Shumaker from comment #0)
> Commit 15e9a4f (which was the fix for #12167) introduced returning ENODEV
> for when we can't determine the TTY's name because we inherited it from a
> different mount namespace. However, just because the TTY is from a
> different namespace, and we can no longer reach it at the original name
> doesn't mean its unreachable. It shouldn't stop the old fallback iteration
> code from running; that fallback might very well find the name.
>
> For instance, systemd-nspawn arranges for the TTY to be at /dev/console,
> even though it's original /dev/pts/X location won't be the same TTY. With
> glibc 2.25 this worked fine, but with 15e9a4f applied in 2.26, not so much:
>
> $ sudo systemd-nspawn --register=no -D /path/to/my-container /bin/bash
> Spawning container my-container on /path/to/my-container.
> Press ^] three times within 1s to kill container.
> bash: cannot set terminal process group (-1): Inappropriate ioctl for
> device
> bash: no job control in this shell
> [root@my-container /]#
I'm a little confused. We do the same in liblxc namely, we bind-mount a
/dev/pty/<idx> path from the parent's devpts mount in the parent's mount
namespace over /dev/console. And things work just fine meaning:
chb@conventiont|~
> lxc-execute -n a5 -- bash
bash: cannot set terminal process group (1): Inappropriate ioctl for device
bash: no job control in this shell
root@a5:/# tty
/dev/console
root@a5:/# findmnt | grep console
| `-/dev/console devpts[/9]
devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000
root@a5:/# ls -al /dev/pts/
total 0
drwxr-xr-x 2 root root 0 Oct 6 09:18 .
drwxr-xr-x 6 root root 360 Oct 6 09:18 ..
crw--w---- 1 root tty 136, 0 Oct 6 09:18 0
crw--w---- 1 root tty 136, 1 Oct 6 09:18 1
crw--w---- 1 root tty 136, 2 Oct 6 09:18 2
crw--w---- 1 root tty 136, 3 Oct 6 09:18 3
crw-rw-rw- 1 root root 5, 2 Oct 6 09:18 ptmx
you can clearly see that the tty coreutil reports /dev/console and exits 0 so
it correctly detects that the program is attached to a pty and reports the
correct path even thought bind-mounted /dev/pts/<idx> (where <idx> == 9 in this
case) does not exist in the current devpts mount's mount namespace. Internally,
tty calls ttyname and isatty so there doesn't seem to be a regression here.
Also, I'm not sure how your patch would help with bash. What your patch does is
have ttyname() set ENODEV or have ttyname_r() return ENODEV but in both cases
no tty name will be returned. So this presupposes that any program that calls
ttyname{_r}() recognizes that ENODEV means "is a tty but no path was found"
which is not the case for bash so I'm confused how that would help you get
around this problem. Maybe you can explain this in a little more detail I might
just be dense.
>
> This is because the TTY, originally /dev/pts/${X}, is only available at
> /dev/console in the new mount namespace. Bash gets the TTY on FD 0, and
> calls ttyname(STDIN_FILENO). Before 15e9a4f, this correctly returned
> "/dev/console", but now it returns NULL and sets errno=ENODEV.
I don't completely understand this analysis as well. It seems to me that the
error comes from setting the process group leader and not from ttyname{_r}()
failures in the bash code. I think the codepath responsible is:
/* If (and only if) we just set our process group to our pid,
thereby becoming a process group leader, and the terminal
is not in the same process group as our (new) process group,
then set the terminal's process group to our (new) process
group. If that fails, set our process group back to what it
was originally (so we can still read from the terminal) and
turn off job control. */
if (shell_pgrp != original_pgrp && shell_pgrp != terminal_pgrp)
{
if (give_terminal_to (shell_pgrp, 0) < 0)
{
t_errno = errno;
setpgid (0, original_pgrp);
shell_pgrp = original_pgrp;
errno = t_errno;
sys_error (_("cannot set terminal process group (%d)"),
shell_pgrp);
job_control = 0;
}
}
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>From glibc-bugs-return-39162-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 06 09:57:44 2017
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From: "christian.brauner at mailbox dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Fri, 06 Oct 2017 09:57:00 -0000
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--- Comment #6 from Christian Brauner <christian.brauner at mailbox dot org> ---
(In reply to Christian Brauner from comment #5)
> Hi,
>
> I'm one of the authors of the original ttyname{_r}() patch you referred to.
> Florian just made me aware of this bug report. Would've been cool if you
> could've CCed us before. :)
>
> (In reply to Luke Shumaker from comment #0)
> > Commit 15e9a4f (which was the fix for #12167) introduced returning ENODEV
> > for when we can't determine the TTY's name because we inherited it from a
> > different mount namespace. However, just because the TTY is from a
> > different namespace, and we can no longer reach it at the original name
> > doesn't mean its unreachable. It shouldn't stop the old fallback iteration
> > code from running; that fallback might very well find the name.
> >
> > For instance, systemd-nspawn arranges for the TTY to be at /dev/console,
> > even though it's original /dev/pts/X location won't be the same TTY. With
> > glibc 2.25 this worked fine, but with 15e9a4f applied in 2.26, not so much:
> >
> > $ sudo systemd-nspawn --register=no -D /path/to/my-container /bin/bash
> > Spawning container my-container on /path/to/my-container.
> > Press ^] three times within 1s to kill container.
> > bash: cannot set terminal process group (-1): Inappropriate ioctl for
> > device
> > bash: no job control in this shell
> > [root@my-container /]#
>
> I'm a little confused. We do the same in liblxc namely, we bind-mount a
> /dev/pty/<idx> path from the parent's devpts mount in the parent's mount
> namespace over /dev/console. And things work just fine meaning:
>
>
> chb@conventiont|~
> > lxc-execute -n a5 -- bash
> bash: cannot set terminal process group (1): Inappropriate ioctl for device
> bash: no job control in this shell
>
> root@a5:/# tty
> /dev/console
>
> root@a5:/# findmnt | grep console
> | `-/dev/console devpts[/9]
> devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000
>
> root@a5:/# ls -al /dev/pts/
> total 0
> drwxr-xr-x 2 root root 0 Oct 6 09:18 .
> drwxr-xr-x 6 root root 360 Oct 6 09:18 ..
> crw--w---- 1 root tty 136, 0 Oct 6 09:18 0
> crw--w---- 1 root tty 136, 1 Oct 6 09:18 1
> crw--w---- 1 root tty 136, 2 Oct 6 09:18 2
> crw--w---- 1 root tty 136, 3 Oct 6 09:18 3
> crw-rw-rw- 1 root root 5, 2 Oct 6 09:18 ptmx
>
> you can clearly see that the tty coreutil reports /dev/console and exits 0
> so it correctly detects that the program is attached to a pty and reports
> the correct path even thought bind-mounted /dev/pts/<idx> (where <idx> == 9
> in this case) does not exist in the current devpts mount's mount namespace.
> Internally, tty calls ttyname and isatty so there doesn't seem to be a
> regression here.
>
> Also, I'm not sure how your patch would help with bash. What your patch does
> is have ttyname() set ENODEV or have ttyname_r() return ENODEV but in both
> cases no tty name will be returned. So this presupposes that any program
> that calls ttyname{_r}() recognizes that ENODEV means "is a tty but no path
> was found" which is not the case for bash so I'm confused how that would
> help you get around this problem. Maybe you can explain this in a little
> more detail I might just be dense.
The fact that you got working job control with prior versions of glibc was
caused by an actual bug: Namely that ttyname{_r}() did not detect that
/dev/console indeed did a) refer to pty b) the path for the pty exists in that
namespace. Serge's and my patch fixed this by having ttyname{_r}() detect that
/dev/console indeed refers to a pty and reporting correctly. (Unless I'm
misunderstanding something which is entirely possible.). So bash tries to
initialize job control but fails so this is more likely a bash bug and should
be handled there.
>
> >
> > This is because the TTY, originally /dev/pts/${X}, is only available at
> > /dev/console in the new mount namespace. Bash gets the TTY on FD 0, and
> > calls ttyname(STDIN_FILENO). Before 15e9a4f, this correctly returned
> > "/dev/console", but now it returns NULL and sets errno=ENODEV.
>
> I don't completely understand this analysis as well. It seems to me that the
> error comes from setting the process group leader and not from ttyname{_r}()
> failures in the bash code. I think the codepath responsible is:
>
>
> /* If (and only if) we just set our process group to our pid,
> thereby becoming a process group leader, and the terminal
> is not in the same process group as our (new) process group,
> then set the terminal's process group to our (new) process
> group. If that fails, set our process group back to what it
> was originally (so we can still read from the terminal) and
> turn off job control. */
> if (shell_pgrp != original_pgrp && shell_pgrp != terminal_pgrp)
> {
> if (give_terminal_to (shell_pgrp, 0) < 0)
> {
> t_errno = errno;
> setpgid (0, original_pgrp);
> shell_pgrp = original_pgrp;
> errno = t_errno;
> sys_error (_("cannot set terminal process group (%d)"), shell_pgrp);
> job_control = 0;
> }
> }
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Subject: [Bug malloc/22111] malloc: per thread cache is not returned when thread exits
Date: Fri, 06 Oct 2017 17:31:00 -0000
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 1e26d35193efbb29239c710a4c46a64708643320
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Thu Sep 28 11:05:18 2017 -0600
malloc: Fix tcache leak after thread destruction [BZ #22111]
The malloc tcache added in 2.26 will leak all of the elements remaining
in the cache and the cache structure itself when a thread exits. The
defect is that we do not set tcache_shutting_down early enough, and the
thread simply recreates the tcache and places the elements back onto a
new tcache which is subsequently lost as the thread exits (unfreed
memory). The fix is relatively simple, move the setting of
tcache_shutting_down earlier in tcache_thread_freeres. We add a test
case which uses mallinfo and some heuristics to look for unaccounted for
memory usage between the start and end of a thread start/join loop. It
is very reliable at detecting that there is a leak given the number of
iterations. Without the fix the test will consume 122MiB of leaked
memory.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++
malloc/Makefile | 3 +
malloc/malloc.c | 8 ++-
malloc/tst-malloc-tcache-leak.c | 112 +++++++++++++++++++++++++++++++++++++++
4 files changed, 129 insertions(+), 3 deletions(-)
create mode 100644 malloc/tst-malloc-tcache-leak.c
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Subject: [Bug malloc/22111] malloc: per thread cache is not returned when thread exits
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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Resolution|--- |FIXED
--- Comment #9 from Carlos O'Donell <carlos at redhat dot com> ---
Fixed for 2.27.
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Subject: [Bug malloc/22111] malloc: per thread cache is not returned when thread exits
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commit 6e1ea21501eac981204c3cc8212d45998f74983c
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Thu Sep 28 11:05:18 2017 -0600
malloc: Fix tcache leak after thread destruction [BZ #22111]
The malloc tcache added in 2.26 will leak all of the elements remaining
in the cache and the cache structure itself when a thread exits. The
defect is that we do not set tcache_shutting_down early enough, and the
thread simply recreates the tcache and places the elements back onto a
new tcache which is subsequently lost as the thread exits (unfreed
memory). The fix is relatively simple, move the setting of
tcache_shutting_down earlier in tcache_thread_freeres. We add a test
case which uses mallinfo and some heuristics to look for unaccounted for
memory usage between the start and end of a thread start/join loop. It
is very reliable at detecting that there is a leak given the number of
iterations. Without the fix the test will consume 122MiB of leaked
memory.
(cherry picked from commit 1e26d35193efbb29239c710a4c46a64708643320)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++
malloc/Makefile | 3 +
malloc/malloc.c | 8 ++-
malloc/tst-malloc-tcache-leak.c | 112 +++++++++++++++++++++++++++++++++++++++
4 files changed, 129 insertions(+), 3 deletions(-)
create mode 100644 malloc/tst-malloc-tcache-leak.c
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commit d5c6dea2d5b4b5c64625c5386f6baec7bf2d89b3
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Fri Oct 6 13:31:05 2017 -0700
Update NEWS for bug 22111.
-----------------------------------------------------------------------
Summary of changes:
NEWS | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
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Subject: [Bug nss/21654] Incorrect pointer alignment in NSS group merge result construction
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--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Also needs:
commit f8cef4d07d9641e27629bd3ce2d13f5d702fb251
Author: DJ Delorie <dj@delorie.com>
Date: Wed Jul 19 13:14:34 2017 -0400
Fix cast-after-dereference
Original code was dereferencing a char*, then casting the value
to size_t. Should cast the pointer to size_t* then deference.
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Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Oct 7 13:14:14 2017 +0200
Add missing reference to bug 21654
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Subject: [Bug nss/21654] Incorrect pointer alignment in NSS group merge result construction
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=864ea5f6579edfee41f7d4a778807045b5aff66b
commit 864ea5f6579edfee41f7d4a778807045b5aff66b
Author: DJ Delorie <dj@delorie.com>
Date: Sat Oct 7 13:28:16 2017 +0200
Fix cast-after-dereference
Original code was dereferencing a char*, then casting the value
to size_t. Should cast the pointer to size_t* then deference.
(cherry picked from commit f8cef4d07d9641e27629bd3ce2d13f5d702fb251)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0279dcae8825f5835d636a68372f6b4e72eb27f3
commit 0279dcae8825f5835d636a68372f6b4e72eb27f3
Author: DJ Delorie <dj@delorie.com>
Date: Fri Jul 14 21:46:42 2017 -0400
Fix BZ #21654 - grp-merge.c alignment
* grp/grp_merge.c (__copy_grp): Align char** to minimum pointer
alignment not char alignment.
(__merge_grp): Likewise.
(cherry picked from commit 4fa8ae49aa169fb8d97882938e8bee3ed9ce5410)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
NEWS | 1 +
grp/grp-merge.c | 18 +++++++++++++++++-
3 files changed, 30 insertions(+), 1 deletions(-)
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Subject: [Bug nss/21654] Incorrect pointer alignment in NSS group merge result construction
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commit b70f43dcef0ca638d2d550ead8007f7c9bb7e4bb
Author: DJ Delorie <dj@delorie.com>
Date: Sat Oct 7 13:32:00 2017 +0200
Fix cast-after-dereference
Original code was dereferencing a char*, then casting the value
to size_t. Should cast the pointer to size_t* then deference.
(cherry picked from commit f8cef4d07d9641e27629bd3ce2d13f5d702fb251)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=caa97d7a46db35a5ddb7bc53e56a866bc180c3b0
commit caa97d7a46db35a5ddb7bc53e56a866bc180c3b0
Author: DJ Delorie <dj@delorie.com>
Date: Fri Jul 14 21:46:42 2017 -0400
Fix BZ #21654 - grp-merge.c alignment
* grp/grp_merge.c (__copy_grp): Align char** to minimum pointer
alignment not char alignment.
(__merge_grp): Likewise.
(cherry picked from commit 4fa8ae49aa169fb8d97882938e8bee3ed9ce5410)
-----------------------------------------------------------------------
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ChangeLog | 12 ++++++++++++
NEWS | 1 +
grp/grp-merge.c | 18 +++++++++++++++++-
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To: glibc-bugs@sourceware.org
Subject: [Bug nis/20987] NIS+ unbounded stack allocations
Date: Sat, 07 Oct 2017 12:03:00 -0000
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commit 79c6f51428a9ec977e611e609a8be6aebcb00006
Author: Joseph Myers <joseph@codesourcery.com>
Date: Sat Oct 7 13:44:49 2017 +0200
Fix nss_nisplus build with mainline GCC (bug 20978).
glibc build with current mainline GCC fails because
nis/nss_nisplus/nisplus-alias.c contains code
if (name != NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
char buf[strlen (name) + 9 + tablename_len];
producing an error about strlen being called on a pointer that is
always NULL (and a subsequent use of that pointer with a %s format in
snprintf).
As Andreas noted, the bogus conditional comes from a 1997 change:
- if (name == NULL || strlen(name) > 8)
- return NSS_STATUS_NOTFOUND;
- else
+ if (name != NULL || strlen(name) <= 8)
So the intention is clearly to return an error for NULL name.
This patch duly inverts the sense of the conditional. It fixes the
build with GCC mainline, and passes usual glibc testsuite testing for
x86_64. However, I have not tried any actual substantive nisplus
testing, do not have an environment for such testing, and do not know
whether it is possible that strlen (name) or tablename_len might be
large so that the VLA for buf is actually a security issue. However,
if it is a security issue, there are plenty of other similar instances
in the nisplus code (that haven't been hidden by a bogus comparison
with NULL) - and nis_table.c:__create_ib_request uses strdupa on the
string passed to nis_list, so a local fix in the caller wouldn't
suffice anyway (see bug 20987). (Calls to strdupa and other such
macros that use alloca must be considered equally questionable
regarding stack overflow issues as direct calls to alloca and VLA
declarations.)
[BZ #20978]
* nis/nss_nisplus/nisplus-alias.c (_nss_nisplus_getaliasbyname_r):
Compare name == NULL, not name != NULL.
(cherry picked from commit f88759ea9bd3c8d8fef28f123ba9767cb0e421a3)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
nis/nss_nisplus/nisplus-alias.c | 2 +-
3 files changed, 8 insertions(+), 1 deletions(-)
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Subject: [Bug nis/20978] strlen on null pointer in nss_nisplus
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=79c6f51428a9ec977e611e609a8be6aebcb00006
commit 79c6f51428a9ec977e611e609a8be6aebcb00006
Author: Joseph Myers <joseph@codesourcery.com>
Date: Sat Oct 7 13:44:49 2017 +0200
Fix nss_nisplus build with mainline GCC (bug 20978).
glibc build with current mainline GCC fails because
nis/nss_nisplus/nisplus-alias.c contains code
if (name != NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
char buf[strlen (name) + 9 + tablename_len];
producing an error about strlen being called on a pointer that is
always NULL (and a subsequent use of that pointer with a %s format in
snprintf).
As Andreas noted, the bogus conditional comes from a 1997 change:
- if (name == NULL || strlen(name) > 8)
- return NSS_STATUS_NOTFOUND;
- else
+ if (name != NULL || strlen(name) <= 8)
So the intention is clearly to return an error for NULL name.
This patch duly inverts the sense of the conditional. It fixes the
build with GCC mainline, and passes usual glibc testsuite testing for
x86_64. However, I have not tried any actual substantive nisplus
testing, do not have an environment for such testing, and do not know
whether it is possible that strlen (name) or tablename_len might be
large so that the VLA for buf is actually a security issue. However,
if it is a security issue, there are plenty of other similar instances
in the nisplus code (that haven't been hidden by a bogus comparison
with NULL) - and nis_table.c:__create_ib_request uses strdupa on the
string passed to nis_list, so a local fix in the caller wouldn't
suffice anyway (see bug 20987). (Calls to strdupa and other such
macros that use alloca must be considered equally questionable
regarding stack overflow issues as direct calls to alloca and VLA
declarations.)
[BZ #20978]
* nis/nss_nisplus/nisplus-alias.c (_nss_nisplus_getaliasbyname_r):
Compare name == NULL, not name != NULL.
(cherry picked from commit f88759ea9bd3c8d8fef28f123ba9767cb0e421a3)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
nis/nss_nisplus/nisplus-alias.c | 2 +-
3 files changed, 8 insertions(+), 1 deletions(-)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/20790] rpcgen buffer overrun in get_prog_declaration
Date: Sat, 07 Oct 2017 12:03:00 -0000
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--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.24/master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7fca94796b67a8ca3730da255e64ee95a818f231
commit 7fca94796b67a8ca3730da255e64ee95a818f231
Author: Joseph Myers <joseph@codesourcery.com>
Date: Sat Oct 7 13:42:41 2017 +0200
Fix rpcgen buffer overrun (bug 20790).
Building with GCC 7 produces an error building rpcgen:
rpc_parse.c: In function 'get_prog_declaration':
rpc_parse.c:543:25: error: may write a terminating nul past the end of the
destination [-Werror=format-length=]
sprintf (name, "%s%d", ARGNAME, num); /* default name of argument */
~~~~^
rpc_parse.c:543:5: note: format output between 5 and 14 bytes into a
destination of size 10
sprintf (name, "%s%d", ARGNAME, num); /* default name of argument */
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
That buffer overrun is for the case where the .x file declares a
program with a million arguments. The strcpy two lines above can
generate a buffer overrun much more simply for a long argument name.
The limit on length of line read by rpcgen (MAXLINESIZE == 1024)
provides a bound on the buffer size needed, so this patch just changes
the buffer size to MAXLINESIZE to avoid both possible buffer
overruns. A testcase is added that rpcgen does not crash with a
500-character argument name, where it previously crashed.
It would not at all surprise me if there are many other ways of
crashing rpcgen with either valid or invalid input; fuzz testing would
likely find various such bugs, though I don't think they are that
important to fix (rpcgen is not that likely to be used with untrusted
.x files as input). (As well as fuzz-findable bugs there are probably
also issues when various int variables get overflowed on very large
input.) The test infrastructure for rpcgen-not-crashing tests would
need extending if tests are to be added for cases where rpcgen should
produce an error, as opposed to cases where it should succeed.
Tested for x86_64 and x86.
[BZ #20790]
* sunrpc/rpc_parse.c (get_prog_declaration): Increase buffer size
to MAXLINESIZE.
* sunrpc/bug20790.x: New file.
* sunrpc/Makefile [$(run-built-tests) = yes] (rpcgen-tests): New
variable.
[$(run-built-tests) = yes] (tests-special): Add $(rpcgen-tests).
[$(run-built-tests) = yes] ($(rpcgen-tests)): New rule.
(cherry picked from commit 5874510faaf3cbd0bb112aaacab9f225002beed1)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +++++++++++
NEWS | 1 +
sunrpc/Makefile | 11 +++++++++++
sunrpc/bug20790.x | 1 +
sunrpc/rpc_parse.c | 2 +-
5 files changed, 25 insertions(+), 1 deletions(-)
create mode 100644 sunrpc/bug20790.x
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>From glibc-bugs-return-39174-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 07 21:39:48 2017
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From: "andreas+sourceware at aurora dot npff.co" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
Date: Sat, 07 Oct 2017 21:39:00 -0000
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--- Comment #14 from Andreas Seltenreich <andreas+sourceware at aurora dot npff.co> ---
I re-did the stress testing with swbz22238-v2.patch applied on
top of glibc-2.24. Postgres now dutily reports the newly
introduced error message instead of dumping core.
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
Date: Sun, 08 Oct 2017 02:16:00 -0000
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--- Comment #15 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Seltenreich from comment #14)
> I re-did the stress testing with swbz22238-v2.patch applied on
> top of glibc-2.24. Postgres now dutily reports the newly
> introduced error message instead of dumping core.
Andreas,
That's awesome. Thank you very much for testing this. In my local testing I use
gdb to force the result to NULL, emualting a malloc failure, but it's always
good to have a second person test this.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Mon, 09 Oct 2017 00:00:00 -0000
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--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, hjl/pie/static has been created
at 20b5568fd1e0f94ec3358a024f1bdc3acec5c195 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=20b5568fd1e0f94ec3358a024f1bdc3acec5c195
commit 20b5568fd1e0f94ec3358a024f1bdc3acec5c195
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5ee1f4a17675959c681f088dae9c723d0d362978
commit 5ee1f4a17675959c681f088dae9c723d0d362978
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1b379e22b303026fa7c3216844a19ce7c295bfd1
commit 1b379e22b303026fa7c3216844a19ce7c295bfd1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f575bd427daabbedc086fc1875809835d74e9b5b
commit f575bd427daabbedc086fc1875809835d74e9b5b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=edc98938fdbeba433898230d0f2efe6226845d60
commit edc98938fdbeba433898230d0f2efe6226845d60
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2e26361b875d2f85cc114d500c5d1b48a419196d
commit 2e26361b875d2f85cc114d500c5d1b48a419196d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7246ed34f825091e423a8218c1d002dc9af18e94
commit 7246ed34f825091e423a8218c1d002dc9af18e94
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=438dea595bf9e131a237876ae4ad1d0403a991fe
commit 438dea595bf9e131a237876ae4ad1d0403a991fe
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=be98cea9155a4c9115ec942fc011ec27a90f932d
commit be98cea9155a4c9115ec942fc011ec27a90f932d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0eeced450018376c7745e86261333ef262e76057
commit 0eeced450018376c7745e86261333ef262e76057
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fdf9f41fb0018820fb706935a3029e4c4356d1d9
commit fdf9f41fb0018820fb706935a3029e4c4356d1d9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
crt1.o, which is used to create dynamic and non-PIE static executables,
is updated to include a dummy _dl_relocate_static_pie. Pcrt1.o is added
to create static PIE, which will link in the real _dl_relocate_static_pie.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, m68k, s390 and sh.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `P' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag). Use the first of $(CRT-$(@F)) and
$(csu-objpfx)$(static-start-installed-name).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add P$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
Don't add gPcrt1.o.
(extra-objs): Add static-reloc.o.
($(objpfx)$(start-installed-name)): Include $(objpfx)static-reloc.o.
($(objpfx)P$(start-installed-name)): New.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
-----------------------------------------------------------------------
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22270] New: SH PIC TLS code doesn't match SH TLS implementation in ld
Date: Mon, 09 Oct 2017 01:07:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22270
Bug ID: 22270
Summary: SH PIC TLS code doesn't match SH TLS implementation in
ld
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Target: sh
SH ld has
else
{
int target;
/* IE->LE transition:
mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM;
bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2:
We change it into:
mov.l .Ln,rM; stc gbr,rN; nop; ...;
1: x@TPOFF; 2:. */
offset = rel->r_offset;
BFD_ASSERT (offset >= 16);
/* Size of IE instructions is 10 or 12. */
offset -= 10;
insn = bfd_get_16 (input_bfd, contents + offset + 0);
if ((insn & 0xf0ff) == 0x0012)
{
BFD_ASSERT (offset >= 2);
offset -= 2;
insn = bfd_get_16 (input_bfd, contents + offset + 0);
}
BFD_ASSERT ((insn & 0xff00) == 0xd000);
target = insn & 0x00ff;
insn = bfd_get_16 (input_bfd, contents + offset + 2);
BFD_ASSERT ((insn & 0xf0ff) == 0x0012);
insn = bfd_get_16 (input_bfd, contents + offset + 4);
BFD_ASSERT ((insn & 0xf0ff) == 0x00ce);
insn = 0xd000 | (insn & 0x0f00) | target;
bfd_put_16 (output_bfd, insn, contents + offset + 0);
bfd_put_16 (output_bfd, 0x0009, contents + offset + 4);
}
But SH syscall in glibc has
.text; .globl __sched_yield; .type __sched_yield,@function; .align 5;
__sched_yield: .cfi_startproc; ; mov.l 1f,r3; trapa #0x10; or r0,r0; or r0,r0;
or r0,r0; or r0,r0; or r0,r0; bra 2f; nop; .align 2; 1: .long (158); 2:; mov
r0,r1; mov #-12,r2; shad r2,r1; not r1,r1; tst r1,r1; bf .Lpseudo_end; neg
r0,r1; mov r12,r2; .cfi_register r12, r2; mov.l 0f,r12; mova 0f,r0; add r0,r12;
mov.l 1f,r0; stc gbr, r4; mov.l @(r0,r12),r0; mov r2,r12; .cfi_restore r12; add
r4,r0; mov.l r1,@r0; bra .Lpseudo_end; mov #-1,r0; .align 2; 0: .long
_GLOBAL_OFFSET_TABLE_; 1: .long __libc_errno@GOTTPOFF; .Lpseudo_end:
rts ; nop
.cfi_endproc; .size __sched_yield,.-__sched_yield
The TLS code sequences don't match.
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Mon, 09 Oct 2017 07:08:00 -0000
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--- Comment #7 from Andreas Schwab <schwab@linux-m68k.org> ---
Can someone please forward this to bug-bash@?
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/19282] dl_load_write_lock isn't reinitialised during fork
Date: Mon, 09 Oct 2017 07:59:00 -0000
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
In a multi-threaded process a forked child may only call async-signal-safe
functions.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/21326] C99 functions are not declared for C++11 and later if _GNU_SOURCE is not predefined by g++
Date: Mon, 09 Oct 2017 14:19:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via d6c064e914cba3277d852c9fa27db53f0059ff8c (commit)
from 645ac9aaf89e3311949828546df6334322f48933 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6c064e914cba3277d852c9fa27db53f0059ff8c
commit d6c064e914cba3277d852c9fa27db53f0059ff8c
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Mon Oct 9 14:58:34 2017 +0100
Ensure C99 and C11 interfaces are available for C++ [BZ #21326]
This patch ensures that the C99 and C11 features required by C++ are
defined according to the value of the __cplusplus macro, and not just
because G++ always defines _GNU_SOURCE. This will allow G++ to stop
defining _GNU_SOURCE some day, without causing the C99 and C11
interfaces to disappear for C++ programs.
[BZ #21326]
* include/features.h [__cplusplus >= 201103] (__USE_ISOC99): Define.
[__cplusplus >= 201703] (__USE_ISOCXX17, __USE_ISOC11): Define.
* math/Makefile (test-math-cxx11): New test.
* math/test-math-cxx11.cc: New file.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 +++
include/features.h | 17 +++--
math/Makefile | 4 +-
math/test-math-cxx11.cc | 160 +++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 182 insertions(+), 7 deletions(-)
create mode 100644 math/test-math-cxx11.cc
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Subject: [Bug libc/21326] C99 functions are not declared for C++11 and later if _GNU_SOURCE is not predefined by g++
Date: Mon, 09 Oct 2017 14:20:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |jwakely.gcc at gmail dot com
Target Milestone|--- |2.27
--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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>From glibc-bugs-return-39182-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 09 14:32:51 2017
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Subject: [Bug libc/22273] New: Improper assert in Linux posix_spawn implementation
Date: Mon, 09 Oct 2017 14:32:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22273
Bug ID: 22273
Summary: Improper assert in Linux posix_spawn implementation
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
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Target: Linux
Flags: security-
__spawnix has this code:
340 /* Child must set args.err to something non-negative - we rely on
341 the parent and child sharing VM. */
342 args.err = -1;
…
354 /* The clone flags used will create a new child that will run in the
same
355 memory space (CLONE_VM) and the execution of calling thread will
be
356 suspend until the child calls execve or _exit.
357
358 Also since the calling thread execution will be suspend, there is
not
359 need for CLONE_SETTLS. Although parent and child share the same
TLS
360 namespace, there will be no concurrent access for TLS variables
(errno
361 for instance). */
362 new_pid = CLONE (__spawni_child, STACK (stack, stack_size),
stack_size,
363 CLONE_VM | CLONE_VFORK | SIGCHLD, &args);
364
365 if (new_pid > 0)
366 {
367 ec = args.err;
368 assert (ec >= 0);
The assert can fire if the child process dies before the err member is written.
Atomics should probably used to guard against compiler reordering of the
store, too.
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://github.com/apple/cu
| |ps/issues/5127
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>From glibc-bugs-return-39184-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 09 14:40:43 2017
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
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--- Comment #8 from Christian Brauner <christian.brauner at mailbox dot org> ---
(In reply to Andreas Schwab from comment #7)
> Can someone please forward this to bug-bash@?
Sent a mail to bug-bash@ and CCed you and Florian.
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
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--- Comment #9 from Christian Brauner <christian.brauner at mailbox dot org> ---
(In reply to Christian Brauner from comment #8)
> (In reply to Andreas Schwab from comment #7)
> > Can someone please forward this to bug-bash@?
>
> Sent a mail to bug-bash@ and CCed you and Florian.
See https://lists.gnu.org/archive/html/bug-bash/2017-10/msg00042.html .
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
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--- Comment #10 from Luke Shumaker <lukeshu at sbcglobal dot net> ---
Hi Christian,
I'm sorry I didn't CC you, I meant to (I guess that's what I get for
thinking I can do things at 3 AM).
> > lxc-execute -n a5 -- bash
> bash: cannot set terminal process group (1): Inappropriate ioctl for
device
> bash: no job control in this shell
>
> root@a5:/# tty
> /dev/console
Huh? From my understanding, either `bash` should not be spitting out
those errors, or `tty` should also be saying "not a tty"; which is
what I see with systemd-nspawn:
$ sudo systemd-nspawn --register=no --keep-unit -D /path/to/my-container
Spawning container my-container on /path/to/my-container.
Press ^] three times within 1s to kill container.
-bash: cannot set terminal process group (-1): Inappropriate ioctl for
device
-bash: no job control in this shell
[root@my-container ~]# tty
not a tty
[root@my-container ~]# findmnt|grep console
│ └─/dev/console devpts[/6]
devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000
[root@my-container ~]# ls -al /dev/pts
total 0
drwxr-xr-x 2 root root 0 Oct 6 14:11 .
drwxr-xr-x 5 root root 340 Oct 6 14:11 ..
crw-rw-rw- 1 root root 5, 2 Oct 6 14:11 ptmx
At first I suspected that the difference is maybe you are running an
older coreutils; and that the commits in 2.28 (937388c 2c622e1) in
response to you reporting the equivalent issue in coreutils made the
difference, but I see "not a tty" with both 2.27 and 2.28. Anyway...
Because magical TTY reasons that aren't really relevant, Bash needs to
re-open(2) its TTY on a new FD to set up job control. It won't do
anything with it, it will immediately close it after it opens it. It
just needs to open it. First, it tries "/dev/tty", and if that fails,
it tries opening the path returned by `ttyname(0)`.
Here's what happened with systemd-nspawn/bash/glibc-2.25:
- Bash calls `ttyname(0)` to identify the current TTY.
- `ttyname(0)` calls `readlink("/proc/self/fd/0", ...)` and gets
`"/6"` (or some other number).
- `ttyname(0)` calls `xstat64(..., "/6", ...)`, which fails.
- `ttyname(0)` then goes to a fall-back loop over all files
`/dev/pts/*` and `/dev/*` checking each to see if it matches our
TTY.
- `ttyname(0)` eventually comes across `/dev/console` which matches,
and returns that.
Here's what's happening with systemd-nspawn/bash/glibc-2.26:
- Bash calls `ttyname(0)` to identify the current TTY.
- `ttyname(0)` calls `readlink("/proc/self/fd/0", ...)` and gets
`"/6"` (or some other number).
- `ttyname(0)` calls `xstat64(..., "/6", ...)`, which fails.
- `ttyname(0)` calls `is_pty(...)` to check if FD-0 is a PTY but the
device doesn't exist because it's from another namespace (which is
the case).
- `ttyname(0)` sets `errno=ENODEV` and returns `NULL` because
`is_pty(...)` returned true.
So, within the container, the TTY is named "/dev/console", and with
glibc 2.25, ttyname() correctly returned "/dev/console", but glibc
2.26 ttyname() returns NULL and sets errno=ENODEV.
----
> What your patch does is have ttyname() set ENODEV or have
> ttyname_r() return ENODEV but in both cases no tty name will be
> returned. So this presupposes that any program that calls
> ttyname{_r}() recognizes that ENODEV means "is a tty but no path was
> found" which is not the case for bash so I'm confused how that would
> help you get around this problem.
Wait? Now I'm confused. Isn't that what *your* patch does? My issue
is that your is_pty()/ENODEV check ran too early, and prevents the old
fallback search from running.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
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--- Comment #11 from Christian Brauner <christian.brauner at mailbox dot org> ---
(In reply to Luke Shumaker from comment #10)
> Hi Christian,
>
> I'm sorry I didn't CC you, I meant to (I guess that's what I get for
> thinking I can do things at 3 AM).
No worries, I just wanted to point it out for the future. :) The more eyes on
this code the better!
>
> > > lxc-execute -n a5 -- bash
> > bash: cannot set terminal process group (1): Inappropriate ioctl for
> device
> > bash: no job control in this shell
> >
> > root@a5:/# tty
> > /dev/console
>
> Huh? From my understanding, either `bash` should not be spitting out
> those errors, or `tty` should also be saying "not a tty"; which is
> what I see with systemd-nspawn:
Stupid question, but did you make sure that you're running a version with
Serge's and my patch in the container?
>
> $ sudo systemd-nspawn --register=no --keep-unit -D /path/to/my-container
> Spawning container my-container on /path/to/my-container.
> Press ^] three times within 1s to kill container.
> -bash: cannot set terminal process group (-1): Inappropriate ioctl for
> device
> -bash: no job control in this shell
> [root@my-container ~]# tty
> not a tty
> [root@my-container ~]# findmnt|grep console
> │ └─/dev/console devpts[/6]
> devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000
> [root@my-container ~]# ls -al /dev/pts
> total 0
> drwxr-xr-x 2 root root 0 Oct 6 14:11 .
> drwxr-xr-x 5 root root 340 Oct 6 14:11 ..
> crw-rw-rw- 1 root root 5, 2 Oct 6 14:11 ptmx
>
> At first I suspected that the difference is maybe you are running an
> older coreutils; and that the commits in 2.28 (937388c 2c622e1) in
> response to you reporting the equivalent issue in coreutils made the
> difference, but I see "not a tty" with both 2.27 and 2.28. Anyway...
I've actually tried to make the tty program in coreutils sane in that
regard but upstream didn't like it because POSIX. Let's not get
into that. :) What I can tell you is that we've made things a little
better for the tty program but it didn't change anything in how the
output of ttyname{_r}() is shown.
>
> Because magical TTY reasons that aren't really relevant, Bash needs to
> re-open(2) its TTY on a new FD to set up job control. It won't do
> anything with it, it will immediately close it after it opens it. It
> just needs to open it. First, it tries "/dev/tty", and if that fails,
> it tries opening the path returned by `ttyname(0)`.
>
> Here's what happened with systemd-nspawn/bash/glibc-2.25:
>
> - Bash calls `ttyname(0)` to identify the current TTY.
> - `ttyname(0)` calls `readlink("/proc/self/fd/0", ...)` and gets
> `"/6"` (or some other number).
> - `ttyname(0)` calls `xstat64(..., "/6", ...)`, which fails.
> - `ttyname(0)` then goes to a fall-back loop over all files
> `/dev/pts/*` and `/dev/*` checking each to see if it matches our
> TTY.
> - `ttyname(0)` eventually comes across `/dev/console` which matches,
> and returns that.
>
> Here's what's happening with systemd-nspawn/bash/glibc-2.26:
>
> - Bash calls `ttyname(0)` to identify the current TTY.
> - `ttyname(0)` calls `readlink("/proc/self/fd/0", ...)` and gets
> `"/6"` (or some other number).
> - `ttyname(0)` calls `xstat64(..., "/6", ...)`, which fails.
> - `ttyname(0)` calls `is_pty(...)` to check if FD-0 is a PTY but the
> device doesn't exist because it's from another namespace (which is
> the case).
> - `ttyname(0)` sets `errno=ENODEV` and returns `NULL` because
> `is_pty(...)` returned true.
>
> So, within the container, the TTY is named "/dev/console", and with
> glibc 2.25, ttyname() correctly returned "/dev/console", but glibc
> 2.26 ttyname() returns NULL and sets errno=ENODEV.
Thanks! I suggest ignoring differences between systemd-nspawn and liblxc
console setup from now on since the issue clearly should be generally fixed
in bash and glibc.
>
> ----
>
> > What your patch does is have ttyname() set ENODEV or have
> > ttyname_r() return ENODEV but in both cases no tty name will be
> > returned. So this presupposes that any program that calls
> > ttyname{_r}() recognizes that ENODEV means "is a tty but no path was
> > found" which is not the case for bash so I'm confused how that would
> > help you get around this problem.
>
> Wait? Now I'm confused. Isn't that what *your* patch does? My issue
> is that your is_pty()/ENODEV check ran too early, and prevents the old
> fallback search from running.
I'm going to build a glibc with your patch now and take a closer look.
If things look sane and it passes a couple of tests sending around {p,t}ty
fds I think we're good to go.
Bash however, still needs to handle the job control case better because
as you saw jobctl still fails even if /dev/console is correctly detected.
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
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--- Comment #1 from Akhilesh Kumar <akhilesh.k at samsung dot com> ---
corrected the above changes
2588 - for ac_option in --version -v -V -qversion; do
2588 +for ac_option in --version -v ; do
3045 - for ac_option in --version -v -V -qversion; do
3045 +for ac_option in --version -v ; do
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Tue, 10 Oct 2017 09:14:00 -0000
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--- Comment #12 from Christian Brauner <christian.brauner at mailbox dot org> ---
Comment on attachment 10416
--> https://sourceware.org/bugzilla/attachment.cgi?id=10416
proposed fix part 2
>From f9209704ded0240b39c7b1157d9294d88aab3591 Mon Sep 17 00:00:00 2001
>From: Luke Shumaker <lukeshu@lukeshu.com>
>Date: Sun, 17 Sep 2017 03:02:07 -0400
>Subject: [PATCH 2/2] linux ttyname() and ttyname_r(): Fix namespace check
>
>In commit 15e9a4f Christian Brauner introduced logic for ttyname() sending
>back ENODEV to signal that we can't get a name for the TTY because we
>inherited it from a different mount namespace.
>
>However, just because we inherited it from a different mount namespace, and
>it isn't available at its original path, doesn't mean that its name is
>unknowable; we can still find it by allowing the normal fall back on
>iterating through devices.
>
> This is the case for systemd-nspawn, which arranges for the TTY to be at
> /dev/console in the new mount namespace. Christian's check meant that
> Bash has broken job control when run directly in systemd-nspawn.
I know this is on the verge of bikeshedding but please drop the reference
to systemd-nspawn and provide a generic example for the /dev/console case.
This makes it clearer that this is a general problem and avoids mentioning
tools that might change behavior at any point. Maybe something along the
lines of:
"A common scenario where this happens is with /dev/console in containers.
Usually container runtimes/managers will call openpty() on a ptmx device in the
host's mount namespace to safely allocate a {p,t}ty master-slave pair since
they
can't trust the container's devpts mount after the container's init binary has
started (potentially malicious fuse mounts and what not). The slave {p,t}ty fd
will then usually be sent to the container and bind-mounted over the
container's
/dev/console which in this scenario is simply a regular file. This is
especially
common with unprivileged containers where mknod() syscalls are not possible.
This
patch enables ttyname{_r}() to correctly report that /dev/console does in fact
refer to a {p,t}ty device whose path exists in the current mount namespace but
whose origin is a devpts mount in a different mount namespace."
>---
> sysdeps/unix/sysv/linux/ttyname.c | 19 ++++++++++++-------
> sysdeps/unix/sysv/linux/ttyname_r.c | 20 ++++++++++++--------
> 2 files changed, 24 insertions(+), 15 deletions(-)
>
>diff --git a/sysdeps/unix/sysv/linux/ttyname.c b/sysdeps/unix/sysv/linux/ttyname.c
>index ba046205ae..509009bdda 100644
>--- a/sysdeps/unix/sysv/linux/ttyname.c
>+++ b/sysdeps/unix/sysv/linux/ttyname.c
>@@ -118,6 +118,7 @@ ttyname (int fd)
> char procname[30];
> struct stat64 st, st1;
> int dostat = 0;
>+ int doispty = 0;
> char *name;
> int save = errno;
> struct termios term;
>@@ -168,13 +169,7 @@ ttyname (int fd)
> && is_mytty (&st, &st1))
> return ttyname_buf;
>
>- /* If the link doesn't exist, then it points to a device in another
>- namespace. */
>- if (is_pty (&st))
>- {
>- __set_errno (ENODEV);
>- return NULL;
>- }
>+ doispty = 1;
> }
>
> if (__xstat64 (_STAT_VER, "/dev/pts", &st1) == 0 && S_ISDIR (st1.st_mode))
>@@ -198,5 +193,15 @@ ttyname (int fd)
> name = getttyname ("/dev", &st, save, &dostat);
> }
>
>+ if (!name && doispty && is_pty (&st))
>+ {
>+ /* We failed to figure out the TTY's name, but we can at least
>+ * signal that we did verify that it really is a PTY. This
>+ * happens when we have inherited the file descriptor from a
>+ * different mount namespace. */
>+ __set_errno (ENODEV);
>+ return NULL;
>+ }
>+
> return name;
> }
>diff --git a/sysdeps/unix/sysv/linux/ttyname_r.c b/sysdeps/unix/sysv/linux/ttyname_r.c
>index 8ff8653a2d..9dde9f7443 100644
>--- a/sysdeps/unix/sysv/linux/ttyname_r.c
>+++ b/sysdeps/unix/sysv/linux/ttyname_r.c
>@@ -96,6 +96,7 @@ __ttyname_r (int fd, char *buf, size_t buflen)
> char procname[30];
> struct stat64 st, st1;
> int dostat = 0;
>+ int doispty = 0;
> int save = errno;
>
> /* Test for the absolute minimal size. This makes life easier inside
>@@ -150,14 +151,7 @@ __ttyname_r (int fd, char *buf, size_t buflen)
> && is_mytty (&st, &st1));
> return 0;
>
>- /* If the link doesn't exist, then it points to a device in another
>- * namespace.
>- */
>- if (is_pty (&st))
>- {
>- __set_errno (ENODEV);
>- return ENODEV;
>- }
>+ doispty = 1;
> }
>
> /* Prepare the result buffer. */
>@@ -191,6 +185,16 @@ __ttyname_r (int fd, char *buf, size_t buflen)
> save, &dostat);
> }
>
>+ if (ret && doispty && is_pty (&st))
>+ {
>+ /* We failed to figure out the TTY's name, but we can at least
>+ * signal that we did verify that it really is a PTY. This
>+ * happens when we have inherited the file descriptor from a
>+ * different mount namespace. */
>+ __set_errno (ENODEV);
>+ return ENODEV;
>+ }
>+
> return ret;
> }
>
>--
>2.14.1
>
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
That's a generic autoconf macro, which wants to support more than just gcc.
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
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--- Comment #13 from Christian Brauner <christian.brauner at mailbox dot org> ---
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proposed fix part 1
>From 1d8113b396f145ea8fea27c2586b10cc55526be8 Mon Sep 17 00:00:00 2001
>From: Luke Shumaker <lukeshu@lukeshu.com>
>Date: Sun, 17 Sep 2017 01:55:15 -0400
>Subject: [PATCH 1/2] linux ttyname() and ttyname_r(): Make the TTY equivalence
> tests consistent
>
>In the ttyname() and ttyname_r() routines on Linux, at several points it
>it needs to test if a given TTY is the TTY we are looking for. It used to
>be that this test was (to see if `maybe` is `mytty`):
>
> __xstat64(_STAT_VER, maybe_filename, &maybe) == 0
> #ifdef _STATBUF_ST_RDEV
> && S_ISCHR(maybe.st_mode) && maybe.st_rdev == mytty.st_rdev
> #else
> && maybe.st_ino == mytty.st_ino && maybe.st_dev == mytty.st_dev
> #endif
>
>Now, this check appears a couple of places.
>
>Then Christian Brauner came along with commit 15e9a4f3, and changed the
>check to
>
> __xstat64(_STAT_VER, maybe_filename, &maybe) == 0
> #ifdef _STATBUF_ST_RDEV
> && S_ISCHR(maybe.st_mode) && maybe.st_rdev == mytty.st_rdev
> #endif
> && maybe.st_ino == mytty.st_ino && maybe.st_dev == mytty.st_dev
>
>That is, he made st_ino and st_dev checks happen even if we have the
>st_rdev member. This is a good change, because kernel namespaces allow you
>to create a new namespace, and to create a new device with the same
>st_rdev, but isn't the same file.
>
>However, this check appears twice in each file (ttyname.c and ttyname_r.c),
>but Christian only changed it in one place in each file. Now that kind-of
>made sense. The common use-case for this is that you're in a chroot, and
>have inherited a file descriptor to a TTY outside of the chroot. In the
>ttyname() routine, the first check is on the passed-in file descriptor,
>while the remaining checks are for files we open by their absolute path; so
>we'd expect them to be in the new namespace. But that's just the "normal"
>situation, users can do all kinds of funny things, so update the check
>everywhere.
>
>Make it easy to keep consistent by pulling the check in to a static inline
>function.
>---
> sysdeps/unix/sysv/linux/ttyname.c | 41 +++++++++-------------------------
> sysdeps/unix/sysv/linux/ttyname.h | 12 ++++++++++
> sysdeps/unix/sysv/linux/ttyname_r.c | 44 +++++++++----------------------------
> 3 files changed, 32 insertions(+), 65 deletions(-)
>
>diff --git a/sysdeps/unix/sysv/linux/ttyname.c b/sysdeps/unix/sysv/linux/ttyname.c
>index 5909cb765f..ba046205ae 100644
>--- a/sysdeps/unix/sysv/linux/ttyname.c
>+++ b/sysdeps/unix/sysv/linux/ttyname.c
>@@ -35,8 +35,9 @@
> char *__ttyname;
> #endif
>
>-static char *getttyname (const char *dev, dev_t mydev,
>- ino64_t myino, int save, int *dostat)
>+static char *getttyname (const char *dev,
>+ struct stat64 *mytty,
>+ int save, int *dostat)
> internal_function;
>
>
>@@ -44,7 +45,7 @@ libc_freeres_ptr (static char *getttyname_name);
>
> static char *
> internal_function attribute_compat_text_section
>-getttyname (const char *dev, dev_t mydev, ino64_t myino, int save, int *dostat)
>+getttyname (const char *dev, struct stat64 *mytty, int save, int *dostat)
> {
> static size_t namelen;
> struct stat64 st;
>@@ -65,7 +66,7 @@ getttyname (const char *dev, dev_t mydev, ino64_t myino, int save, int *dostat)
> *((char *) __mempcpy (getttyname_name, dev, devlen - 1)) = '/';
>
> while ((d = __readdir64 (dirstream)) != NULL)
>- if ((d->d_fileno == myino || *dostat)
>+ if ((d->d_fileno == mytty->st_ino || *dostat)
> && strcmp (d->d_name, "stdin")
> && strcmp (d->d_name, "stdout")
> && strcmp (d->d_name, "stderr"))
>@@ -87,12 +88,7 @@ getttyname (const char *dev, dev_t mydev, ino64_t myino, int save, int *dostat)
> }
> memcpy (&getttyname_name[devlen], d->d_name, dlen);
> if (__xstat64 (_STAT_VER, getttyname_name, &st) == 0
>-#ifdef _STATBUF_ST_RDEV
>- && S_ISCHR (st.st_mode) && st.st_rdev == mydev
>-#else
>- && d->d_fileno == myino && st.st_dev == mydev
>-#endif
>- )
>+ && is_mytty (mytty, &st))
> {
> (void) __closedir (dirstream);
> #if 0
>@@ -169,12 +165,7 @@ ttyname (int fd)
> /* Verify readlink result, fall back on iterating through devices. */
> if (ttyname_buf[0] == '/'
> && __xstat64 (_STAT_VER, ttyname_buf, &st1) == 0
>-#ifdef _STATBUF_ST_RDEV
>- && S_ISCHR (st1.st_mode)
>- && st1.st_rdev == st.st_rdev
>-#endif
>- && st1.st_ino == st.st_ino
>- && st1.st_dev == st.st_dev)
>+ && is_mytty (&st, &st1))
> return ttyname_buf;
>
> /* If the link doesn't exist, then it points to a device in another
>@@ -188,11 +179,7 @@ ttyname (int fd)
>
> if (__xstat64 (_STAT_VER, "/dev/pts", &st1) == 0 && S_ISDIR (st1.st_mode))
> {
>-#ifdef _STATBUF_ST_RDEV
>- name = getttyname ("/dev/pts", st.st_rdev, st.st_ino, save, &dostat);
>-#else
>- name = getttyname ("/dev/pts", st.st_dev, st.st_ino, save, &dostat);
>-#endif
>+ name = getttyname ("/dev/pts", &st, save, &dostat);
> }
> else
> {
>@@ -202,21 +189,13 @@ ttyname (int fd)
>
> if (!name && dostat != -1)
> {
>-#ifdef _STATBUF_ST_RDEV
>- name = getttyname ("/dev", st.st_rdev, st.st_ino, save, &dostat);
>-#else
>- name = getttyname ("/dev", st.st_dev, st.st_ino, save, &dostat);
>-#endif
>+ name = getttyname ("/dev", &st, save, &dostat);
> }
>
> if (!name && dostat != -1)
> {
> dostat = 1;
>-#ifdef _STATBUF_ST_RDEV
>- name = getttyname ("/dev", st.st_rdev, st.st_ino, save, &dostat);
>-#else
>- name = getttyname ("/dev", st.st_dev, st.st_ino, save, &dostat);
>-#endif
>+ name = getttyname ("/dev", &st, save, &dostat);
> }
>
> return name;
>diff --git a/sysdeps/unix/sysv/linux/ttyname.h b/sysdeps/unix/sysv/linux/ttyname.h
>index 2e415e4e9c..cc911baeb0 100644
>--- a/sysdeps/unix/sysv/linux/ttyname.h
>+++ b/sysdeps/unix/sysv/linux/ttyname.h
>@@ -32,3 +32,15 @@ is_pty (struct stat64 *sb)
> return false;
> #endif
> }
>+
>+static inline int
>+is_mytty(struct stat64 *mytty, struct stat64 *maybe)
>+{
>+ return 1
>+#ifdef _STATBUF_ST_RDEV
>+ && S_ISCHR (maybe->st_mode)
>+ && maybe->st_rdev == mytty->st_rdev
>+#endif
>+ && maybe->st_ino == mytty->st_ino
>+ && maybe->st_dev == mytty->st_dev;
>+}
>diff --git a/sysdeps/unix/sysv/linux/ttyname_r.c b/sysdeps/unix/sysv/linux/ttyname_r.c
>index dc863526ba..8ff8653a2d 100644
>--- a/sysdeps/unix/sysv/linux/ttyname_r.c
>+++ b/sysdeps/unix/sysv/linux/ttyname_r.c
>@@ -31,12 +31,13 @@
> #include "ttyname.h"
>
> static int getttyname_r (char *buf, size_t buflen,
>- dev_t mydev, ino64_t myino, int save,
>- int *dostat) internal_function;
>+ struct stat64 *mytty,
>+ int save, int *dostat)
>+ internal_function;
>
> static int
> internal_function attribute_compat_text_section
>-getttyname_r (char *buf, size_t buflen, dev_t mydev, ino64_t myino,
>+getttyname_r (char *buf, size_t buflen, struct stat64 *mytty,
> int save, int *dostat)
> {
> struct stat64 st;
>@@ -52,7 +53,7 @@ getttyname_r (char *buf, size_t buflen, dev_t mydev, ino64_t myino,
> }
>
> while ((d = __readdir64 (dirstream)) != NULL)
>- if ((d->d_fileno == myino || *dostat)
>+ if ((d->d_fileno == mytty->st_ino || *dostat)
> && strcmp (d->d_name, "stdin")
> && strcmp (d->d_name, "stdout")
> && strcmp (d->d_name, "stderr"))
>@@ -72,12 +73,7 @@ getttyname_r (char *buf, size_t buflen, dev_t mydev, ino64_t myino,
> cp[0] = '\0';
>
> if (__xstat64 (_STAT_VER, buf, &st) == 0
>-#ifdef _STATBUF_ST_RDEV
>- && S_ISCHR (st.st_mode) && st.st_rdev == mydev
>-#else
>- && d->d_fileno == myino && st.st_dev == mydev
>-#endif
>- )
>+ && is_mytty (mytty, &st))
> {
> (void) __closedir (dirstream);
> __set_errno (save);
>@@ -151,12 +147,7 @@ __ttyname_r (int fd, char *buf, size_t buflen)
> /* Verify readlink result, fall back on iterating through devices. */
> if (buf[0] == '/'
> && __xstat64 (_STAT_VER, buf, &st1) == 0
>-#ifdef _STATBUF_ST_RDEV
>- && S_ISCHR (st1.st_mode)
>- && st1.st_rdev == st.st_rdev
>-#endif
>- && st1.st_ino == st.st_ino
>- && st1.st_dev == st.st_dev)
>+ && is_mytty (&st, &st1));
This semicolon will cause the following "return 0" to be executed
unconditionally. That's very much not what you want I suspect.
> return 0;
>
> /* If the link doesn't exist, then it points to a device in another
>@@ -175,13 +166,8 @@ __ttyname_r (int fd, char *buf, size_t buflen)
>
> if (__xstat64 (_STAT_VER, buf, &st1) == 0 && S_ISDIR (st1.st_mode))
> {
>-#ifdef _STATBUF_ST_RDEV
>- ret = getttyname_r (buf, buflen, st.st_rdev, st.st_ino, save,
>+ ret = getttyname_r (buf, buflen, &st, save,
> &dostat);
>-#else
>- ret = getttyname_r (buf, buflen, st.st_dev, st.st_ino, save,
>- &dostat);
>-#endif
> }
> else
> {
>@@ -193,26 +179,16 @@ __ttyname_r (int fd, char *buf, size_t buflen)
> {
> buf[sizeof ("/dev/") - 1] = '\0';
> buflen += sizeof ("pts/") - 1;
>-#ifdef _STATBUF_ST_RDEV
>- ret = getttyname_r (buf, buflen, st.st_rdev, st.st_ino, save,
>- &dostat);
>-#else
>- ret = getttyname_r (buf, buflen, st.st_dev, st.st_ino, save,
>+ ret = getttyname_r (buf, buflen, &st, save,
> &dostat);
>-#endif
> }
>
> if (ret && dostat != -1)
> {
> buf[sizeof ("/dev/") - 1] = '\0';
> dostat = 1;
>-#ifdef _STATBUF_ST_RDEV
>- ret = getttyname_r (buf, buflen, st.st_rdev, st.st_ino,
>- save, &dostat);
>-#else
>- ret = getttyname_r (buf, buflen, st.st_dev, st.st_ino,
>+ ret = getttyname_r (buf, buflen, &st,
> save, &dostat);
>-#endif
> }
>
> return ret;
>--
>2.14.1
>
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Tue, 10 Oct 2017 09:36:00 -0000
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--- Comment #14 from Christian Brauner <christian.brauner at mailbox dot org> ---
Luke, could you please send your patches to the libc-alpha mailing list so that
we can discuss them properly there? And if you're able to do so, could you
please make the patches apply against current glibc master? That would make our
lives a little easier. Thanks!
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Subject: [Bug libc/21936] gcc build hangs with glibc 2.26 (conftest about static binaries dlopening themselves)
Date: Tue, 10 Oct 2017 09:37:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |WORKSFORME
--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
This bug report does not contain sufficient information to identify the root
cause, and the requested toolchain version details were not provided, so
closing.
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Subject: [Bug libc/21620] unable to compile
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Insufficient information in the bug report.
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>From glibc-bugs-return-39196-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 10 09:48:09 2017
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From: "rguenth at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22277] New: __dl_iterate_phdr dlpi_subs computation off
Date: Tue, 10 Oct 2017 09:48:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22277
Bug ID: 22277
Summary: __dl_iterate_phdr dlpi_subs computation off
Product: glibc
Version: 2.28
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: rguenth at gcc dot gnu.org
Target Milestone: ---
It looks like GL(dl_ns)[cnt]._ns_nloaded for cnt > 0 is accounted N times
instead of once. Fix:
diff --git a/elf/dl-iteratephdr.c b/elf/dl-iteratephdr.c
index 88473e790b..bbbd8c1e8f 100644
--- a/elf/dl-iteratephdr.c
+++ b/elf/dl-iteratephdr.c
@@ -47,17 +47,16 @@ __dl_iterate_phdr (int (*callback) (struct dl_phdr_info
*info,
#ifdef SHARED
const void *caller = RETURN_ADDRESS (0);
for (Lmid_t cnt = GL(dl_nns) - 1; cnt > 0; --cnt)
- for (struct link_map *l = GL(dl_ns)[cnt]._ns_loaded; l; l = l->l_next)
- {
- /* We have to count the total number of loaded objects. */
- nloaded += GL(dl_ns)[cnt]._ns_nloaded;
-
+ {
+ /* We have to count the total number of loaded objects. */
+ nloaded += GL(dl_ns)[cnt]._ns_nloaded;
+ for (struct link_map *l = GL(dl_ns)[cnt]._ns_loaded; l; l = l->l_next)
if (caller >= (const void *) l->l_map_start
&& caller < (const void *) l->l_map_end
&& (l->l_contiguous
|| _dl_addr_inside_object (l, (ElfW(Addr)) caller)))
ns = cnt;
- }
+ }
#endif
for (l = GL(dl_ns)[ns]._ns_loaded; l != NULL; l = l->l_next)
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Subject: [Bug dynamic-link/22277] __dl_iterate_phdr dlpi_subs computation off
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Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |schwab at sourceware dot org
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Note that
+ /* There must be exactly one DSO for the range of the virtual
+ memory. Otherwise something is really broken. */
+ ns = cnt;
misses the obvious optimization of not needing to continue iteration, like
the following. Though the comment was removed at some point.
diff --git a/elf/dl-iteratephdr.c b/elf/dl-iteratephdr.c
index 88473e790b..c33f6e14f2 100644
--- a/elf/dl-iteratephdr.c
+++ b/elf/dl-iteratephdr.c
@@ -47,17 +47,20 @@ __dl_iterate_phdr (int (*callback) (struct dl_phdr_info
*info,
#ifdef SHARED
const void *caller = RETURN_ADDRESS (0);
for (Lmid_t cnt = GL(dl_nns) - 1; cnt > 0; --cnt)
- for (struct link_map *l = GL(dl_ns)[cnt]._ns_loaded; l; l = l->l_next)
- {
- /* We have to count the total number of loaded objects. */
- nloaded += GL(dl_ns)[cnt]._ns_nloaded;
-
- if (caller >= (const void *) l->l_map_start
- && caller < (const void *) l->l_map_end
- && (l->l_contiguous
- || _dl_addr_inside_object (l, (ElfW(Addr)) caller)))
- ns = cnt;
- }
+ {
+ /* We have to count the total number of loaded objects. */
+ nloaded += GL(dl_ns)[cnt]._ns_nloaded;
+ if (ns == 0)
+ for (struct link_map *l = GL(dl_ns)[cnt]._ns_loaded; l; l = l->l_next)
+ if (caller >= (const void *) l->l_map_start
+ && caller < (const void *) l->l_map_end
+ && (l->l_contiguous
+ || _dl_addr_inside_object (l, (ElfW(Addr)) caller)))
+ {
+ ns = cnt;
+ break;
+ }
+ }
#endif
for (l = GL(dl_ns)[ns]._ns_loaded; l != NULL; l = l->l_next)
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>From glibc-bugs-return-39198-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 10 10:00:39 2017
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From: "rguenth at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22277] __dl_iterate_phdr dlpi_subs computation off
Date: Tue, 10 Oct 2017 10:00:00 -0000
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--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Not iterating over ns == 0 will of course fail to terminate the iteration
early.
Computing nloaded all the time doesn't seem to have a big benefit of avoding
the previously existing global for it either. So just have globals for
dlpi_adds and dlpi_subs rather than being too clever here would be an
improvement IMHO
(and a TLS single-entry cache for the last used namespace would be possible).
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>From glibc-bugs-return-39199-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 10 11:38:41 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Tue, 10 Oct 2017 11:38:00 -0000
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--- Comment #15 from Christian Brauner <christian.brauner at mailbox dot org> ---
I've built a glibc with your patches applied. Detecting /dev/console as the
path for a {p,t}y fd that stems from a devpts mount in a different mount
namespace works correctly. I am inclined to think that your patch is safe but
would like to pass a final verdict after we've done a proper review of this on
the mailing list.
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| |illa/show_bug.cgi?id=20985
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Subject: [Bug nptl/20985] robust mutexes: lowlevelrobustlock assembly on x86 blocks on wrong condition
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| |illa/show_bug.cgi?id=20973
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From: "lukeshu at sbcglobal dot net" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Tue, 10 Oct 2017 15:54:00 -0000
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--- Comment #16 from Luke Shumaker <lukeshu at sbcglobal dot net> ---
> Luke, could you please send your patches to the libc-alpha mailing
> list
Oh, definitely. I had intended to clean the patches up a bit, then
send them to libc-alpha in the day or so after I posted them here, but
things came up and I never got around to it... I guess I'm doing that
today!
> Stupid question, but did you make sure that you're running a version
> with Serge's and my patch in the container?
You're referring to 15e9a4f, right? If so: Yes, my glibc 2.26 is
58270c0 (plus 2 more patches), and 15e9a4f is an ancestor of that.
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>From glibc-bugs-return-39207-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 10 16:15:34 2017
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Subject: [Bug dynamic-link/22277] __dl_iterate_phdr dlpi_subs computation off
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From: "christian.brauner at mailbox dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Tue, 10 Oct 2017 16:21:00 -0000
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--- Comment #17 from Christian Brauner <christian.brauner at mailbox dot org> ---
(In reply to Luke Shumaker from comment #16)
> > Luke, could you please send your patches to the libc-alpha mailing
> > list
>
> Oh, definitely. I had intended to clean the patches up a bit, then
> send them to libc-alpha in the day or so after I posted them here, but
> things came up and I never got around to it... I guess I'm doing that
> today!
Perfect, if it'd be possible for you to have them apply against current glibc
master that would be fantastic. No need to rush it if you have a lot on your
plate. :)
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>From glibc-bugs-return-39209-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 10 16:54:48 2017
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From: "lukeshu at sbcglobal dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Tue, 10 Oct 2017 16:54:00 -0000
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--- Comment #18 from Luke Shumaker <lukeshu at sbcglobal dot net> ---
In cleaning up my patchset, I went to update the manual, since I
figured ENODEV should be mentioned as a possible return value there.
And I'm left with a question:
Does `errno=ENODEV` really convey any more useful information than
`errno != EBADF && errno != ENOTTY`? It has already passed `isatty()`
(well `tcgetattr()`).
Prior to Serge & your change, name=NULL/errno=unchanged signaled "the
file descriptor is valid, and is associated with a terminal, but the
associated file name could not be determined". ENODEV is mostly that
same thing, but "is associated with a PTY", instead of a generic TTY.
Is that a meaningful distinction to make?
What about using ENODEV for all cases were the file descriptor is
valid, and is associated with a terminal, but the associated file name
could not be determined?
AFAICT, the only other cases where this can happen are if `/proc` and
`/dev` are not mounted/set-up as expected.
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>From glibc-bugs-return-39210-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 10 17:25:50 2017
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Tue, 10 Oct 2017 17:25:00 -0000
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--- Comment #19 from Christian Brauner <christian.brauner at mailbox dot org> ---
(In reply to Luke Shumaker from comment #18)
> In cleaning up my patchset, I went to update the manual, since I
> figured ENODEV should be mentioned as a possible return value there.
> And I'm left with a question:
>
> Does `errno=ENODEV` really convey any more useful information than
> `errno != EBADF && errno != ENOTTY`? It has already passed `isatty()`
> (well `tcgetattr()`).
>
> Prior to Serge & your change, name=NULL/errno=unchanged signaled "the
> file descriptor is valid, and is associated with a terminal, but the
> associated file name could not be determined". ENODEV is mostly that
> same thing, but "is associated with a PTY", instead of a generic TTY.
> Is that a meaningful distinction to make?
While POSIX does explicitly allow for this case I prefer setting errno to a
meaningful value on error. I don't like conveying information implicitly be it
in the error or success case. That's best left for cocktail parties in the
Oxford common room. :)
>
> What about using ENODEV for all cases were the file descriptor is
> valid, and is associated with a terminal, but the associated file name
> could not be determined?
This is not the focus of this patch. I'd prefer if this patch fixed the single
issue of making parsing through /dev work correctly.
In general, I'd consider all {p,t}y codepaths to be tricky since it is very
easy to break backwards compatibility without realizing it. Let's not
generalize the use of ENODEV right now.
>
> AFAICT, the only other cases where this can happen are if `/proc` and
> `/dev` are not mounted/set-up as expected.
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>From glibc-bugs-return-39211-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 10 17:49:35 2017
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
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--- Comment #20 from Luke Shumaker <lukeshu at sbcglobal dot net> ---
> While POSIX does explicitly allow for this case I prefer setting
> errno to a meaningful value on error. I don't like conveying
> information implicitly be it in the error or success case. That's
> best left for cocktail parties in the Oxford common room. :)
It actually doesn't; if isatty(FD) is true, then ttyname(FD) isn't
allowed to fail according to POSIX. The behavior I described is just
what glibc did :)
I suspect that, prior to your patch, no one in glibc had thought very
seriously about what happens when isatty(FD) is true but ttyname(FD)
has to fail for another reason.
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>From glibc-bugs-return-39212-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 10 19:27:59 2017
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Subject: [Bug dynamic-link/22277] __dl_iterate_phdr dlpi_subs computation off
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Previously posted patch:
https://sourceware.org/ml/libc-alpha/2016-07/msg00609.html
https://sourceware.org/ml/libc-alpha/2016-08/msg00005.html
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Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
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Jakub Wilk <jwilk at jwilk dot net> changed:
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From: "christian.brauner at mailbox dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Wed, 11 Oct 2017 04:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22145
--- Comment #21 from Christian Brauner <christian.brauner at mailbox dot org> ---
(In reply to Luke Shumaker from comment #20)
> > While POSIX does explicitly allow for this case I prefer setting
> > errno to a meaningful value on error. I don't like conveying
> > information implicitly be it in the error or success case. That's
> > best left for cocktail parties in the Oxford common room. :)
>
> It actually doesn't; if isatty(FD) is true, then ttyname(FD) isn't
> allowed to fail according to POSIX. The behavior I described is just
> what glibc did :)
No, I just meant that POSIX - or the C standard - says it's perfectly fine for
a function to return an error code but leave errno unchanged. Which for me
should always be the ultima ratio, i.e. when setting errno to anything would be
more confusing than not setting it. But we digress...
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>From glibc-bugs-return-39215-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 11 04:39:37 2017
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From: "woodard at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22280] New: relocations not performed on failed dlopen
Date: Wed, 11 Oct 2017 04:39:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22280
Bug ID: 22280
Summary: relocations not performed on failed dlopen
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: woodard at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 10521
--> https://sourceware.org/bugzilla/attachment.cgi?id=10521&action=edit
reproducer
The runtime linker fails to perform relocation on a shared library brought in
as a dependency which is marked NODELETE even though it isn't deleted. This
causes problems when a subsequent library also tries to make use of the same
library.
[ben@Mustang dl-bug]$ make all
cc -g -c -o main.o main.c
cc -g -o main main.o -ldl
cc -g -c -fpic a.c
cc -g -c -fpic d.c
cc -g -fpic -shared -Wl,-z,nodelete -o libd.so d.o
cc -g -c -fpic e.c
cc -g -fpic -shared -o libe.so e.o
cc -g -fpic -shared -o liba.so a.o -L. -ld -le
cc -g -c -fpic b.c
cc -g -fpic -shared -o libb.so b.o -L. -ld
[ben@Mustang dl-bug]$ make run
LD_LIBRARY_PATH=. ./main
d_fn x=12
inside b_fn
rm libe.so
LD_LIBRARY_PATH=. ./main
Could not open liba.so - libe.so: cannot open shared object file: No such file
or directory
make: *** [Makefile:38: run] Segmentation fault (core dumped)
Note that libd.so is marked NODELETE
So when main dlopen's liba.so which needs on libd.so and libe.so because
libe.so is missing, the load of liba.so fails. This is expected. However, when
libb.so is loaded which also needs libd.so the application crashes because the
relocations haven't been done.
[ben@Mustang dl-bug]$ LD_LIBRARY_PATH=. LD_DEBUG=reloc,files ./main 2> foo
d_fn x=12
inside b_fn
[ben@Mustang dl-bug]$ egrep file\|reloc foo
10901: file=libdl.so.2 [0]; needed by ./main [0]
10901: file=libdl.so.2 [0]; generating link map
10901: file=libc.so.6 [0]; needed by ./main [0]
10901: file=libc.so.6 [0]; generating link map
10901: relocation processing: /lib64/libc.so.6
10901: relocation processing: /lib64/libdl.so.2
10901: relocation processing: ./main (lazy)
10901: relocation processing: /lib64/ld-linux-x86-64.so.2
10901: file=liba.so [0]; dynamically loaded by ./main [0]
10901: file=liba.so [0]; generating link map
10901: file=libd.so [0]; needed by ./liba.so [0]
10901: file=libd.so [0]; generating link map
10901: file=libe.so [0]; needed by ./liba.so [0]
10901: file=libe.so [0]; generating link map
10901: relocation processing: ./libe.so
10901: relocation processing: ./libd.so
10901: relocation processing: ./liba.so
10901: opening file=./liba.so [0]; direct_opencount=1
10901: file=libb.so [0]; dynamically loaded by ./main [0]
10901: file=libb.so [0]; generating link map
10901: relocation processing: ./libb.so
10901: opening file=./libb.so [0]; direct_opencount=1
vs.
[ben@Mustang dl-bug]$ rm libe.so
[ben@Mustang dl-bug]$ LD_LIBRARY_PATH=. LD_DEBUG=reloc,files ./main 2> foo
Segmentation fault (core dumped)
[ben@Mustang dl-bug]$ egrep file\|reloc foo
10965: file=libdl.so.2 [0]; needed by ./main [0]
10965: file=libdl.so.2 [0]; generating link map
10965: file=libc.so.6 [0]; needed by ./main [0]
10965: file=libc.so.6 [0]; generating link map
10965: relocation processing: /lib64/libc.so.6
10965: relocation processing: /lib64/libdl.so.2
10965: relocation processing: ./main (lazy)
10965: relocation processing: /lib64/ld-linux-x86-64.so.2
10965: file=liba.so [0]; dynamically loaded by ./main [0]
10965: file=liba.so [0]; generating link map
10965: file=libd.so [0]; needed by ./liba.so [0]
10965: file=libd.so [0]; generating link map
10965: file=libe.so [0]; needed by ./liba.so [0]
10965: file=./liba.so [0]; destroying link map
Could not open liba.so - libe.so: cannot open shared object file: No such file
or directory
10965: file=libb.so [0]; dynamically loaded by ./main [0]
10965: file=libb.so [0]; generating link map
10965: relocation processing: ./libb.so
Note on the failing case the relocations are never done on libd.so
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Subject: [Bug dynamic-link/20839] Incomplete rollback of dynamic linker state on linking failure
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Ben Woodard <woodard at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |woodard at redhat dot com
--- Comment #1 from Ben Woodard <woodard at redhat dot com> ---
*** Bug 22280 has been marked as a duplicate of this bug. ***
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From: "woodard at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22280] relocations not performed on failed dlopen
Date: Wed, 11 Oct 2017 04:42:00 -0000
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Ben Woodard <woodard at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #1 from Ben Woodard <woodard at redhat dot com> ---
Discovered that there is already a bug reported for this.
*** This bug has been marked as a duplicate of bug 20839 ***
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>From glibc-bugs-return-39218-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 11 04:44:58 2017
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Subject: [Bug dynamic-link/20839] Incomplete rollback of dynamic linker state on linking failure
Date: Wed, 11 Oct 2017 04:44:00 -0000
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--- Comment #2 from Ben Woodard <woodard at redhat dot com> ---
Created attachment 10522
--> https://sourceware.org/bugzilla/attachment.cgi?id=10522&action=edit
a fairly simple reproducer
As a case in point here is a reproducer that I whipped up based upon a customer
report.
[ben@Mustang dl-bug]$ make all
cc -g -c -o main.o main.c
cc -g -o main main.o -ldl
cc -g -c -fpic a.c
cc -g -c -fpic d.c
cc -g -fpic -shared -Wl,-z,nodelete -o libd.so d.o
cc -g -c -fpic e.c
cc -g -fpic -shared -o libe.so e.o
cc -g -fpic -shared -o liba.so a.o -L. -ld -le
cc -g -c -fpic b.c
cc -g -fpic -shared -o libb.so b.o -L. -ld
[ben@Mustang dl-bug]$ make run
LD_LIBRARY_PATH=. ./main
d_fn x=12
inside b_fn
rm libe.so
LD_LIBRARY_PATH=. ./main
Could not open liba.so - libe.so: cannot open shared object file: No such file
or directory
make: *** [Makefile:38: run] Segmentation fault (core dumped)
Note that libd.so is marked NODELETE
So when main dlopen's liba.so which needs on libd.so and libe.so because
libe.so is missing, the load of liba.so fails. This is expected. However, when
libb.so is loaded which also needs libd.so the application crashes because the
relocations haven't been done.
[ben@Mustang dl-bug]$ LD_LIBRARY_PATH=. LD_DEBUG=reloc,files ./main 2> foo
d_fn x=12
inside b_fn
[ben@Mustang dl-bug]$ egrep file\|reloc foo
10901: file=libdl.so.2 [0]; needed by ./main [0]
10901: file=libdl.so.2 [0]; generating link map
10901: file=libc.so.6 [0]; needed by ./main [0]
10901: file=libc.so.6 [0]; generating link map
10901: relocation processing: /lib64/libc.so.6
10901: relocation processing: /lib64/libdl.so.2
10901: relocation processing: ./main (lazy)
10901: relocation processing: /lib64/ld-linux-x86-64.so.2
10901: file=liba.so [0]; dynamically loaded by ./main [0]
10901: file=liba.so [0]; generating link map
10901: file=libd.so [0]; needed by ./liba.so [0]
10901: file=libd.so [0]; generating link map
10901: file=libe.so [0]; needed by ./liba.so [0]
10901: file=libe.so [0]; generating link map
10901: relocation processing: ./libe.so
10901: relocation processing: ./libd.so
10901: relocation processing: ./liba.so
10901: opening file=./liba.so [0]; direct_opencount=1
10901: file=libb.so [0]; dynamically loaded by ./main [0]
10901: file=libb.so [0]; generating link map
10901: relocation processing: ./libb.so
10901: opening file=./libb.so [0]; direct_opencount=1
vs.
[ben@Mustang dl-bug]$ rm libe.so
[ben@Mustang dl-bug]$ LD_LIBRARY_PATH=. LD_DEBUG=reloc,files ./main 2> foo
Segmentation fault (core dumped)
[ben@Mustang dl-bug]$ egrep file\|reloc foo
10965: file=libdl.so.2 [0]; needed by ./main [0]
10965: file=libdl.so.2 [0]; generating link map
10965: file=libc.so.6 [0]; needed by ./main [0]
10965: file=libc.so.6 [0]; generating link map
10965: relocation processing: /lib64/libc.so.6
10965: relocation processing: /lib64/libdl.so.2
10965: relocation processing: ./main (lazy)
10965: relocation processing: /lib64/ld-linux-x86-64.so.2
10965: file=liba.so [0]; dynamically loaded by ./main [0]
10965: file=liba.so [0]; generating link map
10965: file=libd.so [0]; needed by ./liba.so [0]
10965: file=libd.so [0]; generating link map
10965: file=libe.so [0]; needed by ./liba.so [0]
10965: file=./liba.so [0]; destroying link map
Could not open liba.so - libe.so: cannot open shared object file: No such file
or directory
10965: file=libb.so [0]; dynamically loaded by ./main [0]
10965: file=libb.so [0]; generating link map
10965: relocation processing: ./libb.so
Note on the failing case the relocations are never done on libd.so
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/18023] extend_alloca is broken (questionable pointer comparison, horrible machine code)
Date: Wed, 11 Oct 2017 05:15:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=78e806fd8cd8c918d3bbe1bcdf9091ab365e4a69
commit 78e806fd8cd8c918d3bbe1bcdf9091ab365e4a69
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Oct 11 07:01:34 2017 +0200
nss_files: Use struct scratch_buffer for gethostbyname [BZ #18023]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 +
nss/nss_files/files-hosts.c | 320 ++++++++++++++++++++-----------------------
2 files changed, 157 insertions(+), 169 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug nss/22078] nss_files performance issue in multi mode
Date: Wed, 11 Oct 2017 05:16:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via d8425e116cdd954fea0c04c0f406179b5daebbb3 (commit)
from 78e806fd8cd8c918d3bbe1bcdf9091ab365e4a69 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d8425e116cdd954fea0c04c0f406179b5daebbb3
commit d8425e116cdd954fea0c04c0f406179b5daebbb3
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Oct 11 07:07:51 2017 +0200
nss_files: Avoid large buffers with many host addresses [BZ #22078]
The previous implementation had at least a quadratic space
requirement in the number of host addresses and aliases.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++
nss/Makefile | 2 +
nss/nss_files/files-hosts.c | 225 +++++++++++++++-----------
nss/tst-nss-files-hosts-multi.c | 331 +++++++++++++++++++++++++++++++++++++++
4 files changed, 472 insertions(+), 96 deletions(-)
create mode 100644 nss/tst-nss-files-hosts-multi.c
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>From glibc-bugs-return-39221-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 11 05:22:02 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nss/22078] nss_files performance issue in multi mode
Date: Wed, 11 Oct 2017 05:21:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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>From glibc-bugs-return-39222-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 11 05:22:09 2017
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From: "woodard at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/20839] Incomplete rollback of dynamic linker state on linking failure
Date: Wed, 11 Oct 2017 05:22:00 -0000
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--- Comment #3 from Ben Woodard <woodard at redhat dot com> ---
It is my opinion that the NODELETE flag should not be honored at this early
stage. The reason for the NODELETE flag is that the library may have side
effects that are irreversible. However, because the library has not been
relocated, it cannot even have had its constructor run. Therefore, its ability
to cause irreversible side effects are practically nil. Therefore it is safe to
remove it as if the NODELETE flag had not been set.
Earlier testing with my reproducer demonstrated that without the -Wl,nodelete
command line option, the problem does not manifest. Therefore, we have a case
where we do not have a NODELETE flag that works correctly and we have a case
where we do honor the NODELETE flag which crashes. Therefore it seems to make
sense that the NODELETE flag only takes effect after the relocations have been
done. Or maybe only after the library's constructor has been run. It is only
then, that the library could have made a change which that would not permit it
from being deleted.
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From: "akhilesh.k at samsung dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/22281] New: When building glibc 2.26 I stepped into an endless loop building "locale-defines.hT3".
Date: Wed, 11 Oct 2017 09:53:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22281
Bug ID: 22281
Summary: When building glibc 2.26 I stepped into an endless
loop building "locale-defines.hT3".
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: akhilesh.k at samsung dot com
CC: carlos at redhat dot com
Target Milestone: ---
When building glibc 2.26 I stepped into an endless loop building
"locale-defines.hT3".
gawk -f ../scripts/gen-as-const.awk ../sysdeps/x86_64/locale-defines.sym \
| gcc -S -o /home/akhilesh/malloc/glibc-2.26/build/locale-defines.hT3
-std=gnu11 -fgnu89-inline -O2 -Wall -Werror -Wundef -Wwrite-strings
-fmerge-all-constants -fno-stack-protector -frounding-math -g
-Wstrict-prototypes -Wold-style-definition -ftls-model=initial-exec
-I../include -I/home/akhilesh/malloc/glibc-2.26/build/string
-I/home/akhilesh/malloc/glibc-2.26/build
-I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64
-I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl
-I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl
-I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux
-I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu
-I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64
-I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64
-I../sysdeps/x86_64/fpu/multiarch -I../sysdeps/x86_64/fpu
-I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu
-I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86
-I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include
-I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32
-I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I..
-I../libio -I. -nostdinc -isystem
/usr/local/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include -isystem
/usr/local/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include-fixed -isystem
/tools/include -D_LIBC_REENTRANT -include
/home/akhilesh/malloc/glibc-2.26/build/libc-modules.h -DMODULE_NAME=libc
-include ../include/libc-symbols.h -DTOP_NAMESPACE=glibc -x c - \
-MD -MP -MF
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.dT -MT
'/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.d
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h'
sed -n
's/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*$/#define
\1 \2/p' \
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.hT3 >
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.hT
rm -f /home/akhilesh/malloc/glibc-2.26/build/locale-defines.hT3
sed -e 's@ /home/akhilesh/malloc/glibc-2\.26/build/@ $(common-objpfx)@g' -e
's@^/home/akhilesh/malloc/glibc-2\.26/build/@$(common-objpfx)@g' -e 's@
*\.\.\/\([^ \]*\)@ $(..)\1@g' -e 's@^\.\.\/\([^ \]*\)@$(..)\1@g' \
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.dT >
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.dT2
rm -f /home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.dT
mv -f /home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.dT2
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.d
mv -f /home/akhilesh/malloc/glibc-2.26/build/locale-defines.hT
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h
make[2]: Leaving directory `/home/akhilesh/malloc/glibc-2.26/string'
make[2]: Entering directory `/home/akhilesh/malloc/glibc-2.26/string'
/usr/bin/install -c -m 644 ../../include/linux/limits.h
/tools/include/linux/limits.h
/usr/bin/install -c -m 644 ../../include/asm/prctl.h /tools/include/asm/prctl.h
/usr/bin/install -c -m 644 ../../include/asm/unistd.h
/tools/include/asm/unistd.h
/usr/bin/install -c -m 644 ../../include/asm/unistd_64.h
/tools/include/asm/unistd_64.h
/usr/bin/install -c -m 644 ../../include/linux/param.h
/tools/include/linux/param.h
/usr/bin/install -c -m 644 ../../include/asm/param.h /tools/include/asm/param.h
/usr/bin/install -c -m 644 ../../include/asm-generic/param.h
/tools/include/asm-generic/param.h
/usr/bin/install -c -m 644 ../../include/asm/socket.h
/tools/include/asm/socket.h
/usr/bin/install -c -m 644 ../../include/asm-generic/socket.h
/tools/include/asm-generic/socket.h
/usr/bin/install -c -m 644 ../../include/asm/sockios.h
/tools/include/asm/sockios.h
/usr/bin/install -c -m 644 ../../include/asm-generic/sockios.h
/tools/include/asm-generic/sockios.h
gawk -f ../scripts/gen-as-const.awk ../sysdeps/x86_64/locale-defines.sym \
| gcc -S -o /home/akhilesh/malloc/glibc-2.26/build/locale-defines.hT3
-std=gnu11 -fgnu89-inline -O2 -Wall -Werror -Wundef -Wwrite-strings
-fmerge-all-constants -fno-stack-protector -frounding-math -g
-Wstrict-prototypes -Wold-style-definition -ftls-model=initial-exec
-I../include -I/home/akhilesh/malloc/glibc-2.26/build/string
-I/home/akhilesh/malloc/glibc-2.26/build
-I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64
-I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl
-I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl
-I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux
-I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu
-I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64
-I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64
-I../sysdeps/x86_64/fpu/multiarch -I../sysdeps/x86_64/fpu
-I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu
-I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86
-I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include
-I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32
-I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I..
-I../libio -I. -nostdinc -isystem
/usr/local/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include -isystem
/usr/local/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include-fixed -isystem
/tools/include -D_LIBC_REENTRANT -include
/home/akhilesh/malloc/glibc-2.26/build/libc-modules.h -DMODULE_NAME=libc
-include ../include/libc-symbols.h -DTOP_NAMESPACE=glibc -x c - \
-MD -MP -MF
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.dT -MT
'/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.d
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h'
sed -n
's/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*$/#define
\1 \2/p' \
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.hT3 >
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.hT
rm -f /home/akhilesh/malloc/glibc-2.26/build/locale-defines.hT3
sed -e 's@ /home/akhilesh/malloc/glibc-2\.26/build/@ $(common-objpfx)@g' -e
's@^/home/akhilesh/malloc/glibc-2\.26/build/@$(common-objpfx)@g' -e 's@
*\.\.\/\([^ \]*\)@ $(..)\1@g' -e 's@^\.\.\/\([^ \]*\)@$(..)\1@g' \
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.dT >
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.dT2
rm -f /home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.dT
mv -f /home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.dT2
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h.d
mv -f /home/akhilesh/malloc/glibc-2.26/build/locale-defines.hT
/home/akhilesh/malloc/glibc-2.26/build/locale-defines.h
make[2]: Leaving directory `/home/akhilesh/malloc/glibc-2.26/string'
make[2]: Entering directory `/home/akhilesh/malloc/glibc-2.26/string'
/usr/bin/install -c -m 644 ../../include/linux/limits.h
/tools/include/linux/limits.h
/usr/bin/install -c -m 644 ../../include/asm/prctl.h /tools/include/asm/prctl.h
/usr/bin/install -c -m 644 ../../include/asm/unistd.h
/tools/include/asm/unistd.h
/usr/bin/install -c -m 644 ../../include/asm/unistd_64.h
/tools/include/asm/unistd_64.h
/usr/bin/install -c -m 644 ../../include/linux/param.h
/tools/include/linux/param.h
/usr/bin/install -c -m 644 ../../include/asm/param.h /tools/include/asm/param.h
/usr/bin/install -c -m 644 ../../include/asm-generic/param.h
/tools/include/asm-generic/param.h
/usr/bin/install -c -m 644 ../../include/asm/socket.h
/tools/include/asm/socket.h
/usr/bin/install -c -m 644 ../../include/asm-generic/socket.h
/tools/include/asm-generic/socket.h
/usr/bin/install -c -m 644 ../../include/asm/sockios.h
/tools/include/asm/sockios.h
/usr/bin/install -c -m 644 ../../include/asm-generic/sockios.h
/tools/include/asm-generic/sockios.h
gawk -f ../scripts/gen-as-const.awk ../sysdeps/x86_64/locale-defines.sym \
So this creates an endless loop.
My env
akhilesh/malloc/glibc-2.26/build# gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-pc-linux-gnu/6.2.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ./configure --enable-vtable-verify --disable-multilib
Thread model: posix
gcc version 6.2.0 (GCC)
glibc-2.26/build# vim config.log
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
It was created by GNU C Library configure (see version.h), which was
generated by GNU Autoconf 2.69. Invocation command line was
$ ../configure --prefix=/tools --host= --build=x86_64-pc-linux-gnu
--enable-kernel=4.8.0 --with-headers=/tools/include --without-selinux
enable_obsolete_rpc --disable-profile sunrpc-support
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>From glibc-bugs-return-39230-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 11 13:27:47 2017
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Subject: [Bug build/22281] When building glibc 2.26 I stepped into an endless loop building "locale-defines.hT3".
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
Akhilesh,
Are you building on NFS? This should just work, the locale-defines.sym is
translated into a header, and make is deciding that the header is out of date,
and rebuilds it, over and over again.
If you `touch $build/locale-defines.h` and then restart the build, does it
continue?
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>From glibc-bugs-return-39231-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 11 14:04:31 2017
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Subject: [Bug build/22281] When building glibc 2.26 I stepped into an endless loop building "locale-defines.hT3".
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
You should run make all before make install.
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>From glibc-bugs-return-39232-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 11 20:20:42 2017
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Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
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Adam Conrad <adconrad at 0c3 dot net> changed:
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>From glibc-bugs-return-39233-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 11 20:31:19 2017
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
Date: Wed, 11 Oct 2017 20:31:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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| |rg
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
I do not see the scenario you described as expected because of CLONE_VFORK and
every fail path is handled on 'fail' label. On the code:
271 args->err = 0;
272 args->exec (args->file, args->argv, args->envp);
273
274 /* This is compatibility function required to enable posix_spawn run
275 script without shebang definition for older posix_spawn versions
276 (2.15). */
277 maybe_script_execute (args);
278
279 fail:
280 /* errno should have an appropriate non-zero value; otherwise,
281 there's a bug in glibc or the kernel. For lack of an error code
282 (EINTERNALBUG) describing that, use ECHILD. Another option would
283 be to set args->err to some negative sentinel and have the parent
284 abort(), but that seems needlessly harsh. */
285 args->err = errno ? : ECHILD;
286 _exit (SPAWN_ERROR);
287 }
So the input err memory position won't be accessed concurrently on parent
because CLONE_VFORK (since kernel interface guarantee that calling process is
suspended) and all return path on the child functions will be either default
execution through args->exec/maybe_script_execute or through the fail label.
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>From glibc-bugs-return-39234-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 11 20:36:09 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
Date: Wed, 11 Oct 2017 20:36:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #1)
> So the input err memory position won't be accessed concurrently on parent
> because CLONE_VFORK (since kernel interface guarantee that calling process
> is suspended) and all return path on the child functions will be either
> default execution through args->exec/maybe_script_execute or through the
> fail label.
But if the process is killed, this will not result in a vfork failure, will it?
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
Date: Wed, 11 Oct 2017 21:24:00 -0000
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--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #0)
> __spawnix has this code:
>
> 340 /* Child must set args.err to something non-negative - we rely on
> 341 the parent and child sharing VM. */
> 342 args.err = -1;
> …
> 354 /* The clone flags used will create a new child that will run in
> the same
> 355 memory space (CLONE_VM) and the execution of calling thread
> will be
> 356 suspend until the child calls execve or _exit.
> 357
> 358 Also since the calling thread execution will be suspend, there
> is not
> 359 need for CLONE_SETTLS. Although parent and child share the
> same TLS
> 360 namespace, there will be no concurrent access for TLS variables
> (errno
> 361 for instance). */
> 362 new_pid = CLONE (__spawni_child, STACK (stack, stack_size),
> stack_size,
> 363 CLONE_VM | CLONE_VFORK | SIGCHLD, &args);
> 364
> 365 if (new_pid > 0)
> 366 {
> 367 ec = args.err;
> 368 assert (ec >= 0);
>
> The assert can fire if the child process dies before the err member is
> written. Atomics should probably used to guard against compiler reordering
> of the store, too.
(In reply to Florian Weimer from comment #2)
> (In reply to Adhemerval Zanella from comment #1)
> > So the input err memory position won't be accessed concurrently on parent
> > because CLONE_VFORK (since kernel interface guarantee that calling process
> > is suspended) and all return path on the child functions will be either
> > default execution through args->exec/maybe_script_execute or through the
> > fail label.
>
> But if the process is killed, this will not result in a vfork failure, will
> it?
Indeed killing the child in the middle of the its execution might trigger the
assert. Another issue I can see is process might be killed after line 271
(setting err to 0) and before actually issuing exec. In this case it will
posix_spawn won't trigger the assert and returns as the external process has
ran correctly.
However I do not think setting the err atomically would help here, ideally we
will need kernel help on to signaling abrupt child execution. One option would
be to set all signals to SIG_IGN (although it won't help with SIGKILL or
SIGSTOP).
What about removing the assert and setting all signal handler as SIG_IGN?
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Subject: [Bug libc/22284] New: -pg -pie doesn't work
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Bug ID: 22284
Summary: -pg -pie doesn't work
Product: glibc
Version: 2.27
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[hjl@gnu-efi-2 gcc]$ cat x.c
#include <stdio.h>
void
foo (void)
{
printf ("hello\n");
}
int
main ()
{
foo ();
return 0;
}
[hjl@gnu-efi-2 gcc]$ gcc -pg -fpie -pie x.c
[hjl@gnu-efi-2 gcc]$ ./a.out
hello
[hjl@gnu-efi-2 gcc]$ gprof --brief a.out
Flat profile:
Each sample counts as 0.01 seconds.
no time accumulated
% cumulative self self total
time seconds seconds calls Ts/call Ts/call name
Call graph
granularity: each sample hit covers 2 byte(s) no time propagated
index % time self children called name
Index by function name
[hjl@gnu-efi-2 gcc]$ gcc -pg x.c
[hjl@gnu-efi-2 gcc]$ ./a.out
hello
[hjl@gnu-efi-2 gcc]$ gprof --brief a.out
Flat profile:
Each sample counts as 0.01 seconds.
no time accumulated
% cumulative self self total
time seconds seconds calls Ts/call Ts/call name
0.00 0.00 0.00 1 0.00 0.00 foo
Call graph
granularity: each sample hit covers 2 byte(s) no time propagated
index % time self children called name
0.00 0.00 1/1 main [7]
[1] 0.0 0.00 0.00 1 foo [1]
-----------------------------------------------
Index by function name
[1] foo
[hjl@gnu-efi-2 gcc]$
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Subject: [Bug build/22281] When building glibc 2.26 I stepped into an endless loop building "locale-defines.hT3".
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
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--- Comment #22 from Luke Shumaker <lukeshu at sbcglobal dot net> ---
https://sourceware.org/ml/libc-alpha/2017-10/msg00501.html
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>From glibc-bugs-return-39239-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 12 07:36:21 2017
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Subject: [Bug locale/21302] strcoll does not correctly follow locale-specified order in some cases
Date: Thu, 12 Oct 2017 07:36:00 -0000
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--- Comment #10 from Carlos O'Donell <carlos at redhat dot com> ---
While working on C.UTF-8 for upstream (one that does no transliteration, but
should sort via code points) I added a new collation test that shows this
problem. I'll have to work out what's going on in string/strcoll_l.c that is
causing collation issues for the 4-byte UTF-8 characters.
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Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
Date: Thu, 12 Oct 2017 08:57:00 -0000
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Adhemerval Zanella from comment #3)
> However I do not think setting the err atomically would help here, ideally
> we will need kernel help on to signaling abrupt child execution. One option
> would be to set all signals to SIG_IGN (although it won't help with SIGKILL
> or SIGSTOP).
I think atomic accesses are needed for their compiler barrier properties.
> What about removing the assert and setting all signal handler as SIG_IGN?
We can't do that because the signal handler disposition is inherited across
execve. I think it is sufficient to check the waitpid status in combination
with the error code. I don't think we need to report whether the subprocess
was terminated before or after the execve (which can be successful or not).
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Subject: [Bug libc/22284] -pg -pie doesn't work
Date: Thu, 12 Oct 2017 10:51:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.27.
--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d165ca64980f90ccace088670652cc203d1b5411
commit d165ca64980f90ccace088670652cc203d1b5411
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Oct 12 03:45:55 2017 -0700
Support profiling PIE [BZ #22284]
Since PIE can be loaded at any address, we need to subtract load address
from PCs.
[BZ #22284]
* gmon/Makefile [$(have-fpie)$(build-shared) == yesyes] (tests,
tests-pie): Add tst-gmon-pie.
(CFLAGS-tst-gmon-pie.c): New.
(CRT-tst-gmon-pie): Likewise.
(tst-gmon-pie-ENV): Likewise.
[$(have-fpie)$(build-shared) == yesyes] (tests-special): Likewise.
($(objpfx)tst-gmon-pie.out): Likewise.
(clean-tst-gmon-pie-data): Likewise.
($(objpfx)tst-gmon-pie-gprof.out): Likewise.
* gmon/gmon.c [PIC]: Include <link.h>.
[PIC] (callback): New function.
(write_hist): Add an argument for load address. Subtract load
address from PCs.
(write_call_graph): Likewise.
(write_gmon): Call __dl_iterate_phdr to get load address, pass
it to write_hist and write_call_graph.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 20 ++++++++++++++++++++
gmon/Makefile | 21 +++++++++++++++++++++
gmon/gmon.c | 47 +++++++++++++++++++++++++++++++++++++----------
gmon/tst-gmon-pie.c | 1 +
4 files changed, 79 insertions(+), 10 deletions(-)
create mode 100644 gmon/tst-gmon-pie.c
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Subject: [Bug libc/22284] -pg -pie doesn't work
Date: Thu, 12 Oct 2017 10:51:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.27.
--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d165ca64980f90ccace088670652cc203d1b5411
commit d165ca64980f90ccace088670652cc203d1b5411
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Oct 12 03:45:55 2017 -0700
Support profiling PIE [BZ #22284]
Since PIE can be loaded at any address, we need to subtract load address
from PCs.
[BZ #22284]
* gmon/Makefile [$(have-fpie)$(build-shared) == yesyes] (tests,
tests-pie): Add tst-gmon-pie.
(CFLAGS-tst-gmon-pie.c): New.
(CRT-tst-gmon-pie): Likewise.
(tst-gmon-pie-ENV): Likewise.
[$(have-fpie)$(build-shared) == yesyes] (tests-special): Likewise.
($(objpfx)tst-gmon-pie.out): Likewise.
(clean-tst-gmon-pie-data): Likewise.
($(objpfx)tst-gmon-pie-gprof.out): Likewise.
* gmon/gmon.c [PIC]: Include <link.h>.
[PIC] (callback): New function.
(write_hist): Add an argument for load address. Subtract load
address from PCs.
(write_call_graph): Likewise.
(write_gmon): Call __dl_iterate_phdr to get load address, pass
it to write_hist and write_call_graph.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 20 ++++++++++++++++++++
gmon/Makefile | 21 +++++++++++++++++++++
gmon/gmon.c | 47 +++++++++++++++++++++++++++++++++++++----------
gmon/tst-gmon-pie.c | 1 +
4 files changed, 79 insertions(+), 10 deletions(-)
create mode 100644 gmon/tst-gmon-pie.c
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
Date: Thu, 12 Oct 2017 13:20:00 -0000
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--- Comment #5 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Florian Weimer from comment #4)
> (In reply to Adhemerval Zanella from comment #3)
>
> > However I do not think setting the err atomically would help here, ideally
> > we will need kernel help on to signaling abrupt child execution. One option
> > would be to set all signals to SIG_IGN (although it won't help with SIGKILL
> > or SIGSTOP).
>
> I think atomic accesses are needed for their compiler barrier properties.
But exactly what you are trying to prevent in spawni code? Essentially the code
runs sequentially and I think it would not be legal the compiler evaluate ec
without checking for new_pid result.
>
> > What about removing the assert and setting all signal handler as SIG_IGN?
>
> We can't do that because the signal handler disposition is inherited across
> execve. I think it is sufficient to check the waitpid status in combination
> with the error code. I don't think we need to report whether the subprocess
> was terminated before or after the execve (which can be successful or not).
Right, we need to respect POSIX_SPAWN_SETSIGDEF. What about:
diff --git a/sysdeps/unix/sysv/linux/spawni.c
b/sysdeps/unix/sysv/linux/spawni.c
index dea1650..f02ac19 100644
--- a/sysdeps/unix/sysv/linux/spawni.c
+++ b/sysdeps/unix/sysv/linux/spawni.c
@@ -365,9 +365,15 @@ __spawnix (pid_t * pid, const char *file,
if (new_pid > 0)
{
ec = args.err;
- assert (ec >= 0);
if (ec != 0)
- __waitpid (new_pid, NULL, 0);
+ {
+ /* It handles the unlikely case where the auxiliary vfork process
+ is killed before calling _exit or execve. */
+ int status;
+ __waitpid (new_pid, &status, 0);
+ if (WIFSIGNALED (status))
+ ec = -1;
+ }
}
else
ec = -new_pid;
It should handle a installed signal handler not erased by POSIX_SPAWN_SETSIGDEF
(assuming it won't terminate the process) and the case of of a termination
signal before _exit or execve.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
Date: Thu, 12 Oct 2017 13:33:00 -0000
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--- Comment #6 from Andreas Schwab <schwab@linux-m68k.org> ---
You need to use a positive error number, not -1.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
Date: Thu, 12 Oct 2017 13:40:00 -0000
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--- Comment #7 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Andreas Schwab from comment #6)
> You need to use a positive error number, not -1.
Indeed and still it won't help the case where the process is killed after
setting args.err to 0 and I do not see how to correctly report it to user.
Even if we check waitpid unconditionally (with WNOHANG) for ec != 0 it might a
case where the required program runs and it is killed just before the actual
waitpid test. Any idea?
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Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
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--- Comment #8 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Adhemerval Zanella from comment #7)
> (In reply to Andreas Schwab from comment #6)
> > You need to use a positive error number, not -1.
>
> Indeed and still it won't help the case where the process is killed after
> setting args.err to 0 and I do not see how to correctly report it to user.
> Even if we check waitpid unconditionally (with WNOHANG) for ec != 0 it might
> a case where the required program runs and it is killed just before the
> actual waitpid test. Any idea?
One option I have in mind is create the child with CLONE_CHILD_SETTID and call
set_tid_address with args.err as input (I am using set_tid_address to avoid
have to adjust each clone signature to take ctid in correct order).
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
Date: Thu, 12 Oct 2017 14:20:00 -0000
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--- Comment #9 from Andreas Schwab <schwab@linux-m68k.org> ---
Killing the child between args.err = 0 and exec is not a problem, that can be
considered a successful spawn, and the caller will eventually call wait and
note the signal (if he is interested in it). In fact, I think any signal that
happens between fork and exec should be relayed to the caller to figure out, as
if spawn was successful.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
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--- Comment #10 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Andreas Schwab from comment #9)
> Killing the child between args.err = 0 and exec is not a problem, that can
> be considered a successful spawn, and the caller will eventually call wait
> and note the signal (if he is interested in it). In fact, I think any
> signal that happens between fork and exec should be relayed to the caller to
> figure out, as if spawn was successful.
This seems reasonable, in this case I think we should set ec equal 0 for
WIFSIGNALED in my suggestion at comment #5.
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
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Subject: [Bug libc/19574] glibc should support building static PIE binaries
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--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at dc2d3821c24149b6bc1a5917ff53c7b35b40f00f (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dc2d3821c24149b6bc1a5917ff53c7b35b40f00f
commit dc2d3821c24149b6bc1a5917ff53c7b35b40f00f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4471f6b5a2b44730da97a2eb73935ff6f5e8a141
commit 4471f6b5a2b44730da97a2eb73935ff6f5e8a141
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1f24e41adc3a142b9edfaa47578ff6465fc3eb3b
commit 1f24e41adc3a142b9edfaa47578ff6465fc3eb3b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f926b5e40da52f1feeaade253febe6f9ed72d988
commit f926b5e40da52f1feeaade253febe6f9ed72d988
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2fbf3fd6ddd67e90288b03265221c5a4561281de
commit 2fbf3fd6ddd67e90288b03265221c5a4561281de
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=232baff98758cbfe280096ebc09a3afa4d77e170
commit 232baff98758cbfe280096ebc09a3afa4d77e170
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1c00a4d60a7a4ac3d6d3e867c953bcf85b187683
commit 1c00a4d60a7a4ac3d6d3e867c953bcf85b187683
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=352de9d08983de9c06b7e74929d1a466cbb20191
commit 352de9d08983de9c06b7e74929d1a466cbb20191
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=035cc1e670fc0aebd48436b1224a9090b26b6510
commit 035cc1e670fc0aebd48436b1224a9090b26b6510
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=852ba327c44fee88d08a5439c3e1a69616b6ea08
commit 852ba327c44fee88d08a5439c3e1a69616b6ea08
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=79362976f48e8661db80304decc8d29a9fc08d20
commit 79362976f48e8661db80304decc8d29a9fc08d20
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
crt1.o, which is used to create dynamic and non-PIE static executables,
is updated to include a dummy _dl_relocate_static_pie. Pcrt1.o is added
to create static PIE, which will link in the real _dl_relocate_static_pie.
gPcrt1.o is also added to create static PIE with -pg.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, m68k, s390 and sh.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `P' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add P$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)P$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75d3ab88fa26a4576c6cbf1610f493caeaf1136c
commit 75d3ab88fa26a4576c6cbf1610f493caeaf1136c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Oct 12 05:25:23 2017 -0700
Add a test for profiling static executable
The function, main, is added to profiling output of static executable
which must link against gcrt1.o.
* Makeconfig (+link-static-before-libc): Use the first of
$(CRT-$(@F)) and $(csu-objpfx)$(static-start-installed-name).
* gmon/Makefile (tests): Add tst-gmon-static.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static.c): New.
(CRT-tst-gmon-static): Likewise.
(DEFAULT-LDFLAGS-tst-gmon-static): Likewise.
(tst-gmon-static-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static.out): Likewise.
(clean-tst-gmon-static-data): Likewise.
($(objpfx)tst-gmon-static-gprof.out): Likewise.
* gmon/tst-gmon-static-gprof.sh: New file.
* gmon/tst-gmon-static.c: Likewise.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Thu, 12 Oct 2017 21:53:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
--- Comment #11 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at 1798eb01da55411ce2c74ad0241801c03a1b67e6 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1798eb01da55411ce2c74ad0241801c03a1b67e6
commit 1798eb01da55411ce2c74ad0241801c03a1b67e6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=92709e13be16565c049fae273e480bf6080537ac
commit 92709e13be16565c049fae273e480bf6080537ac
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=02371ebc45799726f0cd61539859a89a5a92f168
commit 02371ebc45799726f0cd61539859a89a5a92f168
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=70223be575626b16969241ea2b869f8d9659f2d4
commit 70223be575626b16969241ea2b869f8d9659f2d4
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=99dd76116c3d50007bec9d0e12540de8865a6676
commit 99dd76116c3d50007bec9d0e12540de8865a6676
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=51e266da208f90754a236154479295e9408790dd
commit 51e266da208f90754a236154479295e9408790dd
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=62b05f154471fd11e08303e0380e0118873760ab
commit 62b05f154471fd11e08303e0380e0118873760ab
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=088b6db3931fe144b34ee206f319069b2eb5fffe
commit 088b6db3931fe144b34ee206f319069b2eb5fffe
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5694e48f4572d5c74aad3c6f1bc404f71ee287e9
commit 5694e48f4572d5c74aad3c6f1bc404f71ee287e9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e1664641e0807239bbcccd460e174a558f6c7cbc
commit e1664641e0807239bbcccd460e174a558f6c7cbc
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=83e95a0f4d5450816b968d04f846465caa6d511b
commit 83e95a0f4d5450816b968d04f846465caa6d511b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
crt1.o, which is used to create dynamic and non-PIE static executables,
is updated to include a dummy _dl_relocate_static_pie. Pcrt1.o is added
to create static PIE, which will link in the real _dl_relocate_static_pie.
gPcrt1.o is also added to create static PIE with -pg.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, m68k, s390 and sh.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `P' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add P$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)P$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75d3ab88fa26a4576c6cbf1610f493caeaf1136c
commit 75d3ab88fa26a4576c6cbf1610f493caeaf1136c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Oct 12 05:25:23 2017 -0700
Add a test for profiling static executable
The function, main, is added to profiling output of static executable
which must link against gcrt1.o.
* Makeconfig (+link-static-before-libc): Use the first of
$(CRT-$(@F)) and $(csu-objpfx)$(static-start-installed-name).
* gmon/Makefile (tests): Add tst-gmon-static.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static.c): New.
(CRT-tst-gmon-static): Likewise.
(DEFAULT-LDFLAGS-tst-gmon-static): Likewise.
(tst-gmon-static-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static.out): Likewise.
(clean-tst-gmon-static-data): Likewise.
($(objpfx)tst-gmon-static-gprof.out): Likewise.
* gmon/tst-gmon-static-gprof.sh: New file.
* gmon/tst-gmon-static.c: Likewise.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22284] -pg -pie doesn't work
Date: Thu, 12 Oct 2017 22:59:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pr22284/2.26 has been created
at 5a951cc33ccec638bcd2a2ed44db34f2610dacd3 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a951cc33ccec638bcd2a2ed44db34f2610dacd3
commit 5a951cc33ccec638bcd2a2ed44db34f2610dacd3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Oct 12 03:45:55 2017 -0700
Support profiling PIE [BZ #22284]
Since PIE can be loaded at any address, we need to subtract load address
from PCs.
[BZ #22284]
* gmon/gmon.c [PIC]: Include <link.h>.
[PIC] (callback): New function.
(write_hist): Add an argument for load address. Subtract load
address from PCs.
(write_call_graph): Likewise.
(write_gmon): Call __dl_iterate_phdr to get load address, pass
it to write_hist and write_call_graph.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit d165ca64980f90ccace088670652cc203d1b5411)
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From: "jwakely.gcc at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug string/22290] New: XSI-compliant strerror_r unavailable in C++
Date: Thu, 12 Oct 2017 23:37:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22290
Bug ID: 22290
Summary: XSI-compliant strerror_r unavailable in C++
Product: glibc
Version: 2.23
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: string
Assignee: unassigned at sourceware dot org
Reporter: jwakely.gcc at gmail dot com
Target Milestone: ---
The XSI-compliant strerror_r is provided if:
(_POSIX_C_SOURCE >= 200112L) && ! _GNU_SOURCE
Otherwise, the GNU-specific version is provided.
Because g++ automatically defines _GNU_SOURCE there's no way to get the XSI
version in C++ programs, except gross hacks before including any C++ standard
library headers:
#undef _GNU_SOURCE
#include <string.h>
#define _GNU_SOURCE 1
#include <mutex>
There might be no reasonable fix for this on the glibc side. G++ needs to stop
defining _GNU_SOURCE (see also PR 21326 and PR 21327).
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To: glibc-bugs@sourceware.org
Subject: [Bug build/14624] `make localedata/install-locales` fails with "FATAL: kernel too old"
Date: Fri, 13 Oct 2017 07:55:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
I'm marking this as RESOLVED/INVALID since the user situation is one where the
build system is too old to run binaries from the newly built glibc.
Once you upgrade the build system then localdef will be able to run.
The cross-localdef discussion is completely orthogonal to the issue at hand,
though such a cross-localdef would solve this problem, it is beyond the scope
of filling a bug fix for it.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/22292] New: localedef exits with error 4 when it should be error 1
Date: Fri, 13 Oct 2017 08:11:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22292
Bug ID: 22292
Summary: localedef exits with error 4 when it should be error 1
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
Target Milestone: ---
The current localedef implementation treats all warnings like errors.
This means that you can never have just warnings and an exit code of 1 as is
required by POSIX.
The fix for this is for localdef to stop using error_message_count to count
errors, and instead adopt some better internal structure to track issued
errors, warnings, and verbose messages.
If any errors are seen, then exit with error 4 without writing data.
If only warnings are seen, then exit with error 1 to indicate data was written.
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From: "akhilesh.k at samsung dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/22281] When building glibc 2.26 I stepped into an endless loop building "locale-defines.hT3".
Date: Fri, 13 Oct 2017 08:52:00 -0000
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--- Comment #3 from Akhilesh Kumar <akhilesh.k at samsung dot com> ---
(In reply to Carlos O'Donell from comment #1)
> Akhilesh,
>
> Are you building on NFS? This should just work, the locale-defines.sym is
build glibc on remote server using SSH
> translated into a header, and make is deciding that the header is out of
> date, and rebuilds it, over and over again.
>
> If you `touch $build/locale-defines.h` and then restart the build, does it
> continue?
after touch again stepped again into an endless loop building at different
point
-MD -MP -MF
/home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.h.dT -MT
'/home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.h.d
/home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.h'
sed -n
's/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*$/#define
\1 \2/p' \
/home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.hT3
> /home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.hT
rm -f /home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.hT3
sed -e 's@ /home/samsung/akhilesh/malloc/glibc-2\.26/build/@
$(common-objpfx)@g' -e
's@^/home/samsung/akhilesh/malloc/glibc-2\.26/build/@$(common-objpfx)@g' -e 's@
*\.\.\/\([^ \]*\)@ $(..)\1@g' -e 's@^\.\.\/\([^ \]*\)@$(..)\1@g' \
/home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.h.dT >
/home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.h.dT2
rm -f /home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.h.dT
mv -f /home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.h.dT2
/home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.h.d
mv -f /home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.hT
/home/samsung/akhilesh/malloc/glibc-2.26/build/rtld-offsets.h
gawk -f ../scripts/gen-as-const.awk ../sysdeps/x86_64/tlsdesc.sym \
| gcc -S -o /home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.hT3
-std=gnu11 -fgnu89-inline -O2 -Wall -Werror -Wundef -Wwrite-strings
-fmerge-all-constants -fno-stack-protector -frounding-math -g
-Wstrict-prototypes -Wold-style-definition -ftls-model=initial-exec
-I../include -I/home/samsung/akhilesh/malloc/glibc-2.26/build/csu
-I/home/samsung/akhilesh/malloc/glibc-2.26/build
-I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64
-I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl
-I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl
-I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux
-I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu
-I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64
-I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64
-I../sysdeps/x86_64/fpu/multiarch -I../sysdeps/x86_64/fpu
-I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu
-I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86
-I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include
-I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32
-I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I..
-I../libio -I. -nostdinc -isystem
/usr/local/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include -isystem
/usr/local/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include-fixed -isystem
/tools/include -D_LIBC_REENTRANT -include
/home/samsung/akhilesh/malloc/glibc-2.26/build/libc-modules.h
-DMODULE_NAME=libc -include ../include/libc-symbols.h
-DTOP_NAMESPACE=glibc -x c - \
-MD -MP -MF
/home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.h.dT -MT
'/home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.h.d
/home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.h'
sed -n
's/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*$/#define
\1 \2/p' \
/home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.hT3 >
/home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.hT
rm -f /home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.hT3
sed -e 's@ /home/samsung/akhilesh/malloc/glibc-2\.26/build/@
$(common-objpfx)@g' -e
's@^/home/samsung/akhilesh/malloc/glibc-2\.26/build/@$(common-objpfx)@g' -e 's@
*\.\.\/\([^ \]*\)@ $(..)\1@g' -e 's@^\.\.\/\([^ \]*\)@$(..)\1@g' \
/home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.h.dT >
/home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.h.dT2
rm -f /home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.h.dT
mv -f /home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.h.dT2
/home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.h.d
mv -f /home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.hT
/home/samsung/akhilesh/malloc/glibc-2.26/build/tlsdesc.h
gawk -f ../scripts/gen-as-const.awk
../sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym \
| gcc -S -o
/home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.hT3 -std=gnu11
-fgnu89-inline -O2 -Wall -Werror -Wundef -Wwrite-strings -fmerge-all-constants
-fno-stack-protector -frounding-math -g -Wstrict-prototypes
-Wold-style-definition -ftls-model=initial-exec -I../include
-I/home/samsung/akhilesh/malloc/glibc-2.26/build/csu
-I/home/samsung/akhilesh/malloc/glibc-2.26/build
-I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64
-I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl
-I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl
-I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux
-I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu
-I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64
-I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64
-I../sysdeps/x86_64/fpu/multiarch -I../sysdeps/x86_64/fpu
-I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu
-I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86
-I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include
-I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32
-I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I..
-I../libio -I. -nostdinc -isystem
/usr/local/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include -isystem
/usr/local/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include-fixed -isystem
/tools/include -D_LIBC_REENTRANT -include
/home/samsung/akhilesh/malloc/glibc-2.26/build/libc-modules.h
-DMODULE_NAME=libc -include ../include/libc-symbols.h
-DTOP_NAMESPACE=glibc -x c - \
-MD -MP -MF
/home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.h.dT -MT
'/home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.h.d
/home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.h'
sed -n
's/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*$/#define
\1 \2/p' \
/home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.hT3 >
/home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.hT
rm -f /home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.hT3
sed -e 's@ /home/samsung/akhilesh/malloc/glibc-2\.26/build/@
$(common-objpfx)@g' -e
's@^/home/samsung/akhilesh/malloc/glibc-2\.26/build/@$(common-objpfx)@g' -e 's@
*\.\.\/\([^ \]*\)@ $(..)\1@g' -e 's@^\.\.\/\([^ \]*\)@$(..)\1@g' \
/home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.h.dT >
/home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.h.dT2
rm -f /home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.h.dT
mv -f /home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.h.dT2
/home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.h.d
mv -f /home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.hT
/home/samsung/akhilesh/malloc/glibc-2.26/build/ucontext_i.h
make[2]: Leaving directory `/home/samsung/akhilesh/malloc/glibc-2.26/csu'
make[2]: Entering directory `/home/samsung/akhilesh/malloc/glibc-2.26/csu'
make[2]: Circular /home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.h
<- /home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.h dependency
dropped.
gawk -f ../scripts/gen-as-const.awk ../sysdeps/x86_64/nptl/tcb-offsets.sym \
| gcc -S -o
/home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.hT3 -std=gnu11
-fgnu89-inline -O2 -Wall -Werror -Wundef -Wwrite-strings -fmerge-all-constants
-fno-stack-protector -frounding-math -g -Wstrict-prototypes
-Wold-style-definition -ftls-model=initial-exec -I../include
-I/home/samsung/akhilesh/malloc/glibc-2.26/build/csu
-I/home/samsung/akhilesh/malloc/glibc-2.26/build
-I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64
-I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl
-I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl
-I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux
-I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu
-I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64
-I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64
-I../sysdeps/x86_64/fpu/multiarch -I../sysdeps/x86_64/fpu
-I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu
-I../sysdeps/x86_64/multiarch -I../sysdeps/x86_64 -I../sysdeps/x86
-I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include
-I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64
-I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32
-I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I..
-I../libio -I. -nostdinc -isystem
/usr/local/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include -isystem
/usr/local/lib/gcc/x86_64-pc-linux-gnu/6.2.0/include-fixed -isystem
/tools/include -D_LIBC_REENTRANT -include
/home/samsung/akhilesh/malloc/glibc-2.26/build/libc-modules.h
-DMODULE_NAME=libc -include ../include/libc-symbols.h
-DTOP_NAMESPACE=glibc -x c - \
-MD -MP -MF
/home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.h.dT -MT
'/home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.h.d
/home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.h'
sed -n
's/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*$/#define
\1 \2/p' \
/home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.hT3
> /home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.hT
rm -f /home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.hT3
sed -e 's@ /home/samsung/akhilesh/malloc/glibc-2\.26/build/@
$(common-objpfx)@g' -e
's@^/home/samsung/akhilesh/malloc/glibc-2\.26/build/@$(common-objpfx)@g' -e 's@
*\.\.\/\([^ \]*\)@ $(..)\1@g' -e 's@^\.\.\/\([^ \]*\)@$(..)\1@g' \
/home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.h.dT >
/home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.h.dT2
rm -f /home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.h.dT
mv -f /home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.h.dT2
/home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.h.d
mv -f /home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.hT
/home/samsung/akhilesh/malloc/glibc-2.26/build/tcb-offsets.h
--
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>From glibc-bugs-return-39258-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 13 19:19:18 2017
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22142] [powerpc] printf oupts a wrong value of DBL_MAX on ppc64 and ppc64le
Date: Fri, 13 Oct 2017 19:19:00 -0000
X-Bugzilla-Reason: CC
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https://sourceware.org/bugzilla/show_bug.cgi?id=22142
--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 8644588807215ab09716ac04a150f91ac83acffd (commit)
via e8dbd6a36d8e4d30e736e28a364f7a4d1404079a (commit)
via 179dcdb7af4983fd42824db748ee6cb05f8d71cf (commit)
from 006e766437033d6565133ce356b55d7b301a7b58 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8644588807215ab09716ac04a150f91ac83acffd
commit 8644588807215ab09716ac04a150f91ac83acffd
Author: James Clarke <jrtc27@jrtc27.com>
Date: Fri Oct 13 15:44:39 2017 -0300
Fix TLS relocations against local symbols on powerpc32, sparc32 and sparc64
Normally, TLS relocations against local symbols are optimised by the linker
to be absolute. However, gold does not do this, and so it is possible to
end up with, for example, R_SPARC_TLS_DTPMOD64 referring to a local symbol.
Since sym_map is left as null in elf_machine_rela for the special local
symbol case, the relocation handling thinks it has nothing to do, and so
the module gets left as 0. Havoc then ensues when the variable in question
is accessed.
Before this fix, the main_local_gold program would receive a SIGBUS on
sparc64, and SIGSEGV on powerpc32. With this fix applied, that test now
passes like the rest of them.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela):
Assign sym_map to be map for local symbols, as TLS relocations
use sym_map to determine whether the symbol is defined and to
extract the TLS information.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e8dbd6a36d8e4d30e736e28a364f7a4d1404079a
commit e8dbd6a36d8e4d30e736e28a364f7a4d1404079a
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Fri Oct 13 15:44:39 2017 -0300
powerpc: Avoid putting floating point values in memory [BZ #22189]
[BZ #22189]
* sysdeps/powerpc/fpu/math_private.h (math_opt_barrier):
(math_force_eval): Add powerpc version.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=179dcdb7af4983fd42824db748ee6cb05f8d71cf
commit 179dcdb7af4983fd42824db748ee6cb05f8d71cf
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Fri Oct 13 15:44:39 2017 -0300
[BZ #22142] powerpc: Fix the carry bit on mpn_[add|sub]_n on POWER7
Fix the ifdef clause that was being used in the opposite way, setting
a wrong value of the carry bit.
This is also correcting 2 memory accesses that were mistakenly referring
to r0 while they were supposed to mean the immediate value 0.
[BZ #22142]
* stdio-common/tst-printf.c (fp_test): Add tests for DBL_MAX and
-DBL_MAX.
(do_test): Likewise.
* stdio-common/tst-printf.sh: Likewise.
* sysdeps/powerpc/powerpc64/power7/add_n.S: Invert the initial
ifdef clause in order to set the carry bit right. Replace r0 by
0 without changing the behavior.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 24 ++++++++++++++++++++++++
stdio-common/tst-printf.c | 4 ++++
stdio-common/tst-printf.sh | 8 ++++++++
sysdeps/powerpc/fpu/math_private.h | 7 +++++++
sysdeps/powerpc/powerpc32/dl-machine.h | 5 ++++-
sysdeps/powerpc/powerpc64/power7/add_n.S | 8 ++++----
sysdeps/sparc/sparc32/dl-machine.h | 1 +
sysdeps/sparc/sparc64/dl-machine.h | 1 +
8 files changed, 53 insertions(+), 5 deletions(-)
--
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>From glibc-bugs-return-39257-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 13 19:19:18 2017
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22189] [powerpc] math_private.h definitions of math_opt_barrier and math_force_eval
Date: Fri, 13 Oct 2017 19:19:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 8644588807215ab09716ac04a150f91ac83acffd (commit)
via e8dbd6a36d8e4d30e736e28a364f7a4d1404079a (commit)
via 179dcdb7af4983fd42824db748ee6cb05f8d71cf (commit)
from 006e766437033d6565133ce356b55d7b301a7b58 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8644588807215ab09716ac04a150f91ac83acffd
commit 8644588807215ab09716ac04a150f91ac83acffd
Author: James Clarke <jrtc27@jrtc27.com>
Date: Fri Oct 13 15:44:39 2017 -0300
Fix TLS relocations against local symbols on powerpc32, sparc32 and sparc64
Normally, TLS relocations against local symbols are optimised by the linker
to be absolute. However, gold does not do this, and so it is possible to
end up with, for example, R_SPARC_TLS_DTPMOD64 referring to a local symbol.
Since sym_map is left as null in elf_machine_rela for the special local
symbol case, the relocation handling thinks it has nothing to do, and so
the module gets left as 0. Havoc then ensues when the variable in question
is accessed.
Before this fix, the main_local_gold program would receive a SIGBUS on
sparc64, and SIGSEGV on powerpc32. With this fix applied, that test now
passes like the rest of them.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela):
Assign sym_map to be map for local symbols, as TLS relocations
use sym_map to determine whether the symbol is defined and to
extract the TLS information.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e8dbd6a36d8e4d30e736e28a364f7a4d1404079a
commit e8dbd6a36d8e4d30e736e28a364f7a4d1404079a
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Fri Oct 13 15:44:39 2017 -0300
powerpc: Avoid putting floating point values in memory [BZ #22189]
[BZ #22189]
* sysdeps/powerpc/fpu/math_private.h (math_opt_barrier):
(math_force_eval): Add powerpc version.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=179dcdb7af4983fd42824db748ee6cb05f8d71cf
commit 179dcdb7af4983fd42824db748ee6cb05f8d71cf
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Fri Oct 13 15:44:39 2017 -0300
[BZ #22142] powerpc: Fix the carry bit on mpn_[add|sub]_n on POWER7
Fix the ifdef clause that was being used in the opposite way, setting
a wrong value of the carry bit.
This is also correcting 2 memory accesses that were mistakenly referring
to r0 while they were supposed to mean the immediate value 0.
[BZ #22142]
* stdio-common/tst-printf.c (fp_test): Add tests for DBL_MAX and
-DBL_MAX.
(do_test): Likewise.
* stdio-common/tst-printf.sh: Likewise.
* sysdeps/powerpc/powerpc64/power7/add_n.S: Invert the initial
ifdef clause in order to set the carry bit right. Replace r0 by
0 without changing the behavior.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 24 ++++++++++++++++++++++++
stdio-common/tst-printf.c | 4 ++++
stdio-common/tst-printf.sh | 8 ++++++++
sysdeps/powerpc/fpu/math_private.h | 7 +++++++
sysdeps/powerpc/powerpc32/dl-machine.h | 5 ++++-
sysdeps/powerpc/powerpc64/power7/add_n.S | 8 ++++----
sysdeps/sparc/sparc32/dl-machine.h | 1 +
sysdeps/sparc/sparc64/dl-machine.h | 1 +
8 files changed, 53 insertions(+), 5 deletions(-)
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Subject: [Bug libc/22142] [powerpc] printf oupts a wrong value of DBL_MAX on ppc64 and ppc64le
Date: Fri, 13 Oct 2017 19:21:00 -0000
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Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #3 from Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> ---
Fixed in glibc 2.27.
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Subject: [Bug math/22189] [powerpc] math_private.h definitions of math_opt_barrier and math_force_eval
Date: Fri, 13 Oct 2017 19:21:00 -0000
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Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Version|2.28 |2.26
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #3 from Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> ---
Fixed in glibc 2.27.
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Subject: [Bug libc/22142] [powerpc] printf oupts a wrong value of DBL_MAX on ppc64 and ppc64le
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----------------------------------------------------------------------------
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--- Comment #4 from Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> ---
Fixed, per the previous comment.
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Subject: [Bug locale/22294] New: Allow "" for int_currency_symbol definition in locales.
Date: Fri, 13 Oct 2017 20:51:00 -0000
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Bug ID: 22294
Summary: Allow "" for int_currency_symbol definition in
locales.
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
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Target Milestone: ---
The glibc localedef does not accept "" as a int_currency_symbol definition in a
source locale.
The POSIX locale uses "" as int_currency_symbol, and we should support allowing
it also.
Fixing this would allow a non-builtin C.UTF-8 locale with no currency symbol,
mirroring what POSIX does.
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Subject: [Bug locale/22295] New: Don't warn on non-symbolic characters in locale sources in --verbose.
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Bug ID: 22295
Summary: Don't warn on non-symbolic characters in locale
sources in --verbose.
Product: glibc
Version: 2.27
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When I create a local source file with non-symbolic characters in the
definitions and run localedef with --verbose I get warnings about non-symbolic
characters being used.
We should not warn in --verbose for non-symbolic characters, they are perfectly
valid to use in a locale source file. The warning should be removed.
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e4f530da0db59ff51549c11ed6ef799b4ade1c87
commit e4f530da0db59ff51549c11ed6ef799b4ade1c87
Author: Peter Zelezny <peter.zelezny@dektech.com.au>
Date: Fri Oct 13 22:49:49 2017 +0200
nptl: Preserve error in setxid thread broadcast in coredumps [BZ #22153]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
nptl/allocatestack.c | 9 +++++++--
2 files changed, 13 insertions(+), 2 deletions(-)
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Florian Weimer <fweimer at redhat dot com> changed:
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Fixed in 2.27.
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Sat, 14 Oct 2017 00:40:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22241
--- Comment #1 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Comment on attachment 10501
--> https://sourceware.org/bugzilla/attachment.cgi?id=10501
sah_RU locale file for glibc
Thank you for providing this new locale file. Here is my review:
>escape_char /
>comment_char %
This is correct but I think there is no need to have two spaces after
"escape_char" and "comment_char".
Also, as stated in bug 1123, here should be the legal formula starting with:
"% This file is part of the GNU C Library and contains locale data."
See: https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=a4cea54
>% Yakut (Sakha) locale for Russian Federation
>% Source: Valery Timiriliyev
>% Email: timiriliyev@gmail.com
>% Tel: (none)
>% Fax: (none)
Probably it does not matter much but there is no need to put "none" in
parentheses.
>% Language: sah
>% Territory: RU
>% Revision: 1.0.0
>% Date: 2017-10-02
Regarding the dates: please remember to update them when you deliver the new
version.
>% Users: general
>% Repertoiremap: mnemonic,ds
I don't understand what is this "Repertoiremap" comment. I suggest to remove
it.
>% Charset: UTF-8
We have agreed to remove this line because this is misleading. See:
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=39b20aa
>%
>
>LC_IDENTIFICATION
>title "Yakut (Sakha) locale for Russian Federation"
>source "Valery Timiriliyev"
>address ""
>contact "Valery Timiriliyev"
>email "timiriliyev@gmail.com"
>tel ""
>fax ""
>language "Yakut (Sakha)"
>territory "Russian Federation"
>revision "1.0.0"
>date "2017-10-02"
>%
>category "i18n:2012";LC_IDENTIFICATION
>category "i18n:2012";LC_CTYPE
>category "i18n:2012";LC_COLLATE
>category "i18n:2012";LC_TIME
>category "i18n:2012";LC_NUMERIC
>category "i18n:2012";LC_MONETARY
>category "i18n:2012";LC_MESSAGES
>category "i18n:2012";LC_PAPER
>category "i18n:2012";LC_MEASUREMENT
>category "i18n:2012";LC_NAME
>category "i18n:2012";LC_ADDRESS
>category "i18n:2012";LC_TELEPHONE
>END LC_IDENTIFICATION
LGTM.
>
>LC_CTYPE
>copy "ru_RU"
>END LC_CTYPE
I haven't checked, are you sure that all Yakut-specific characters are already
there?
>
>LC_COLLATE
>copy "iso14651_t1"
>
>collating-symbol <YAK-GHE>
>collating-symbol <YAK-ENG>
>collating-symbol <YAK-OE>
>collating-symbol <YAK-HE>
>collating-symbol <YAK-UE>
>
>reorder-after <CYR-GHE>
><YAK-GHE>
>reorder-after <CYR-EN>
><YAK-ENG>
>reorder-after <CYR-O>
><YAK-OE>
>reorder-after <CYR-ES>
><YAK-HE>
>reorder-after <CYR-OU>
><YAK-UE>
>
>% Ҕ after Г
>reorder-after <U0433>
><U0495> <YAK-GHE>;<PCL>;<MIN>;IGNORE
>reorder-after <U0413>
><U0494> <YAK-GHE>;<PCL>;<CAP>;IGNORE
>
>% Ò¤ after Ð
>reorder-after <U043D>
><U04A5> <YAK-ENG>;<PCL>;<MIN>;IGNORE
>reorder-after <U041D>
><U04A4> <YAK-ENG>;<PCL>;<CAP>;IGNORE
>
>% Ө after О
>reorder-after <U043E>
><U04E9> <YAK-OE>;<PCL>;<MIN>;IGNORE
>reorder-after <U041E>
><U04E8> <YAK-OE>;<PCL>;<CAP>;IGNORE
>
>% Һ after С
>reorder-after <U0441>
><U04BB> <YAK-HE>;<PCL>;<MIN>;IGNORE
>reorder-after <U0421>
><U04BA> <YAK-HE>;<PCL>;<CAP>;IGNORE
>
>% Ү after У
>reorder-after <U0443>
><U04AF> <YAK-UE>;<PCL>;<MIN>;IGNORE
>reorder-after <U0423>
><U04AE> <YAK-UE>;<PCL>;<CAP>;IGNORE
>
>reorder-end
>
>END LC_COLLATE
I haven't tested this but I've compared the source code with the Yakut alphabet
as described in Wikipedia. Looks good. Please ignore the Unicode issues of my
browser. :-)
>
>LC_MONETARY
>% ISO 4217 Currency and fund codes
>
>% 'RUB '
>int_curr_symbol "<U0052><U0055><U0042><U0020>"
>
>% '₽'
>currency_symbol "<U20BD>"
>
>% '.'
>mon_decimal_point "<U002E>"
>
>% 'Â ' (no-break space)
>mon_thousands_sep "<U00A0>"
>
>mon_grouping 3;3
>positive_sign ""
>negative_sign "<U002D>"
>int_frac_digits 2
>frac_digits 2
>p_cs_precedes 0
>p_sep_by_space 1
>n_cs_precedes 0
>n_sep_by_space 1
>p_sign_posn 1
>n_sign_posn 1
>END LC_MONETARY
This section is identical to ru_RU so please consider using ”copy "ru_RU"”
instead.
>
>LC_NUMERIC
>% ","
>decimal_point "<U002C>"
>
>% no-break space
>thousands_sep "<U00A0>"
>grouping 3;3
>END LC_NUMERIC
The same here.
>
>LC_TIME
>% abday - The abbreviations for the week days:
>% - бн, оп, ÑÑ€, чп, бт, Ñб, бÑ
THE MAJOR ISSUE HERE: The abday and day arrays must always start with Sunday.
If you want to display Monday first it will be specified elsewhere.
See also: https://sourceware.org/glibc/wiki/Locales#LC_TIME
>abday "<U0431><U043D>";/
> "<U043E><U043F>";"<U0441><U0440>";/
CLDR says that Wednesday abbreviation should be "сэ" while yours is "ср". We
tend to trust CLDR more so please consider changing to "сэ" or report an issue
to CLDR.
See CLDR: http://st.unicode.org/cldr-apps/v#/sah/Gregorian/
> "<U0447><U043F>";"<U0431><U0442>";/
Similar problem with Friday: CLDR says "бэ" while your version is "бт". Again,
please switch your version to CLDR or report an issue to CLDR.
> "<U0441><U0431>";"<U0431><U0441>"
>
>% day - The full names of the week days:
>% - бÑнидиÑнньик, оптуорунньук, ÑÑÑ€ÑдÑ,
>% чÑппиÑÑ€, бÑÑтинÑÑ, Ñубуота, баÑкыһыанньа
Same problem with days order.
>day "<U0431><U044D><U043D><U0438><U0434><U0438><U044D><U043D><U043D><U044C><U0438><U043A>";/
> "<U043E><U043F><U0442><U0443><U043E><U0440><U0443><U043D><U043D><U044C><U0443><U043A>";/
> "<U0441><U044D><U0440><U044D><U0434><U044D>";/
> "<U0447><U044D><U043F><U043F><U0438><U044D><U0440>";/
> "<U0431><U044D><U044D><U0442><U0438><U043D><U0441><U044D>";/
Friday: CLDR says "Бээтиҥсэ" while your version is "бээтинсэ". I believe that
it's CLDR's bug to start with the uppercase "Б" because all other letters are
lowercase (please report an issue) but there is still the difference "ҥ" vs.
"н". Please switch to CLDR version or report an issue to CLDR.
> "<U0441><U0443><U0431><U0443><U043E><U0442><U0430>";/
> "<U0431><U0430><U0441><U043A><U044B><U04BB><U044B><U0430><U043D><U043D><U044C><U0430>"
>
>% abmon - The abbreviations for the months
>% - тохÑ, олун, кул, мууÑ, ыам, бÑÑ, от, атыр, бал, алт, ÑÑÑ‚, ахÑ
>abmon "<U0442><U043E><U0445><U0441>";"<U043E><U043B><U0443><U043D>";/
> "<U043A><U0443><U043B>";"<U043C><U0443><U0443><U0441>";/
CLDR says "Клн" and "Мсу" here while your version is "кул" and "муус". I
believe it's CLDR bug to start with uppercase but I'd rather believe CLDR
regarding other letters. Regarding uppercase vs. lowercase: for the languages
which don't need different grammatical cases for standalone vs. formatting
month names CLDR suggests that standalone month names can start with uppercase
while formatting can start with lowercase.
> "<U044B><U0430><U043C>";"<U0431><U044D><U0441>";/
> "<U043E><U0442>";"<U0430><U0442><U044B><U0440>";/
CLDR says "Отй and "Атр" here while your version is "от" and "атыр". Same
comment as above.
> "<U0431><U0430><U043B>";"<U0430><U043B><U0442>";/
September: CLDR says "Блҕ" while your version is "бал". Same comment as above.
> "<U0441><U044D><U0442>";"<U0430><U0445><U0441>"
>
>% mon - The full names of the months -
>% - тохÑунньу, олунньу, кулун тутар, Ð¼ÑƒÑƒÑ ÑƒÑтар, ыам ыйа
>% бÑÑ Ñ‹Ð¹Ð°, от ыйа, атырдьах ыйа, балаҕан ыйа, алтынньы
>% ÑÑтинньи, ахÑынньы
I suggest adding commas after the month names at the end of each line to avoid
confusion. One may think that "ыам ыйа бэс ыйа" is a single month name with a
line broken inside.
>mon "<U0442><U043E><U0445><U0441><U0443><U043D><U043D><U044C><U0443>";/
> "<U043E><U043B><U0443><U043D><U043D><U044C><U0443>";/
> "<U043A><U0443><U043B><U0443><U043D><U0020><U0442><U0443><U0442><U0430><U0440>";/
> "<U043C><U0443><U0443><U0441><U0020><U0443><U0441><U0442><U0430><U0440>";/
> "<U044B><U0430><U043C><U0020><U044B><U0439><U0430>";/
I am confused here: CLDR says "ыам ыйа" if the month name is standalone (same
as your version so probably it is correct) but "Ыам ыйын" when it is in a
formatting context. Which version is correct, modulo upper/lowercase?
> "<U0431><U044D><U0441><U0020><U044B><U0439><U0430>";/
> "<U043E><U0442><U0020><U044B><U0439><U0430>";/
> "<U0430><U0442><U044B><U0440><U0434><U044C><U0430><U0445><U0020><U044B><U0439><U0430>";/
> "<U0431><U0430><U043B><U0430><U0495><U0430><U043D><U0020><U044B><U0439><U0430>";/
Same comment everywhere above. Additionally, for August CLDR consequently says
"атырдьых" while your version says "атырдьах". Please fix.
> "<U0430><U043B><U0442><U044B><U043D><U043D><U044C><U044B>";/
> "<U0441><U044D><U0442><U0438><U043D><U043D><U044C><U0438>";/
> "<U0430><U0445><U0441><U044B><U043D><U043D><U044C><U044B>"
Probably correct; please read again my comment about lower/uppercase letters in
CLDR.
>
>% Abreviated date and time representation to be referenced by the "%c" field descriptor -
Typo: s/Abreviated/Abbreviated, and please don't exceed 80 chars per line.
>%
>% "%a" (short weekday name),
>% "%d" (day of month as a decimal number),
>% "%b" (short month name),
>% "%Y" (year with century as a decimal number),
>% "%T" (24-hour clock time in format HH:MM:SS),
>% "%Z" (Time zone name)
>d_t_fmt "%a %Y Ñ. %b %d к. %T (%Z)"
Please don't use non-ASCII characters in the data. We have agreed to use the
ASCII characters directly so it is correct to write "%a %Y" but "с" should be
"<U0441>" instead.
>
>% Date representation to be referenced by the "%x" field descriptor -
>% "%d/%m/%Y", day/month/year as decimal numbers (01/01/2000).
>d_fmt "%Y.%m.%d"
>
>% Time representation to be referenced by the "%X" field descriptor -
>% "%T" (24-hour clock time in format HH:MM:SS)
>t_fmt "%T"
>
>% Define representation of ante meridiem and post meridiem strings -
>% The "" mean default to "AM" and "PM".
>am_pm "";""
>
>% Define time representation in 12-hour format with "am_pm", to be referenced by the "%r"
>% The "" means that this format is not supported.
>t_fmt_ampm ""
LGTM
>
>% Date representation not described in ISO/IEC 14652. Comes out as -
>% "%a %b %e %H:%M:%S %Z %Y" which is default "date" command output
>%
>% %a - abbreviated weekday name,
>% %b - abreviated month name,
>% %e - day of month as a decimal number with leading space (1 to 31),
>% %H - hour (24-hour clock) as a decimal number (00 to 23),
>% %M - minute as a decimal number (00 to 59),
>% %S - seconds as a decimal number (00 to 59),
>% %Z - time-zone name,
>% %Y - year with century as a decimal number,e.g. 2001.
>date_fmt "%a %Y Ñ. %b %e к. %H:%M:%S (%Z)"
Again please don't use non-ASCII characters.
>
>week 7;19971130;1
>first_weekday 2
It seems that it's not a problem to skip "first_workday" here but please add to
avoid confusion:
first_workday=2
>END LC_TIME
>
>LC_MESSAGES
>% The affirmative response -
>% '^[yYдДÑÐ]'
>yesexpr "<U005E><U005B><U0079><U0059><U0434><U0414><U044D><U042D><U005D>"
>
>% The negative response -
>% '^[nNнÐÑС]'
>noexpr "<U005E><U005B><U006E><U004E><U043D><U041D><U0441><U0421><U005D>"
Correct but we have agreed that "+" and "1" should be included in yesexpr
and "-" and "0" should be included in noexpr.
See: https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=f982160
Please include "yesstr" and "nostr" here. They should contain "yes" and "no"
in Yakut language, respectively. Their capitalization should be based on the
regular grammar rules, not assuming that they are in the beginning of the
sentence.
>END LC_MESSAGES
>
>LC_PAPER
>copy "ru_RU"
>END LC_PAPER
>
>LC_TELEPHONE
>copy "ru_RU"
>END LC_TELEPHONE
>
>LC_MEASUREMENT
>copy "ru_RU"
>END LC_MEASUREMENT
LGTM.
>
>LC_NAME
>% Format for addressing a person.
>% "%d%t%g%t%m%t%f"
>%
>% "Salutation",
>% "Empty string, or <Space>",
>% "First given name",
>% "Empty string, or <Space>",
>% "Middle names",
>% "Empty string, or <Space>",
>% "Clan names"
>name_fmt "<U0025><U0064><U0025><U0074><U0025><U0067><U0025><U0074>/
><U0025><U006D><U0025><U0074><U0025><U0066>"
>END LC_NAME
It looks identical to ru_RU so please consider using ”copy "ru_RU"”.
>
>LC_ADDRESS
>postal_fmt "<U0025><U0066><U0025><U004E><U0025><U0061><U0025><U004E>/
><U0025><U0064><U0025><U004E><U0025><U0062><U0025><U004E><U0025><U0073>/
><U0020><U0025><U0068><U0020><U0025><U0065><U0020><U0025><U0072><U0025>/
><U004E><U0025><U0025><U007A><U0020><U0025><U0054><U0025>/
><U004E><U0025><U0063><U0025><U004E>"
>
>% РоÑÑиÑ
>country_name "<U0420><U043E><U0441><U0441><U0438><U044F>"
>
>% Саха тыла
>lang_name "<U0421><U0430><U0445><U0430><U0020><U0442><U044B><U043B><U0430>"
>
>% UN Geneve 1949:68 Distinguishing signs of vehicles in international traffic
>% RUS
>country_car "<U0052><U0055><U0053>"
>
>% ISO 639 language abbreviations:
>% 639-1 2 letter, 639-2 3 letter terminology
>% (empty), sah, sah
>lang_ab ""
>lang_term "<U0073><U0061><U0068>"
>lang_lib "<U0073><U0061><U0068>"
>
>% ISO 3166 country number and 2 and 3 letter abreviations
>% RU, RUS
>country_ab2 "<U0052><U0055>"
>country_ab3 "<U0052><U0055><U0053>"
>country_num 643
>
>END LC_ADDRESS
It would be nice if you could provide country_isbn, otherwise this section
LGTM.
Now when you fix these bugs please provide a patch instead of a file. The
patch should add this file and add the language to localedata/SUPPORTED.
Though, I'm not sure ATM if the new line in localedata/SUPPORTED should be
"sah_RU/UTF-8" or "sah_RU.UTF-8/UTF-8". Please see some examples of patches
which add a new language:
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=f8de956
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=3f802ae
Note that the file locale/iso-639.def already contains a line for Yakut
language but please verify if it is correct. It says "Yakut" while you provide
"Yakut (Sakha)". I believe your version is correct.
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Sat, 14 Oct 2017 00:47:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22241
--- Comment #2 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to Rafal Luzynski from comment #1)
> Comment on attachment 10501 [details]
> [...]
> Also, as stated in bug 1123, here should be the legal formula starting with:
> [...]
Sorry, a typo, should be: bug 11213.
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Subject: [Bug locale/22294] Allow "" for int_currency_symbol definition in locales.
Date: Sat, 14 Oct 2017 05:35:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
Fixed in 2.27.
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Subject: [Bug locale/22295] Don't warn on non-symbolic characters in locale sources in --verbose.
Date: Sat, 14 Oct 2017 05:35:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
Fixed in 2.27.
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Subject: [Bug locale/22292] localedef exits with error 4 when it should be error 1
Date: Sat, 14 Oct 2017 05:35:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
Fixed.
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Subject: [Bug locale/22294] Allow "" for int_currency_symbol definition in locales.
Date: Sat, 14 Oct 2017 05:35:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc3821bb3b19646311d36c82a13b4ce5afea3508
commit bc3821bb3b19646311d36c82a13b4ce5afea3508
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Fri Oct 13 14:36:23 2017 -0700
locale: No warning for non-symbolic character (bug 22295)
In "Is it OK to write ASCII strings directly into locale source files?"
https://sourceware.org/ml/libc-alpha/2017-07/msg00807.html there is
universal consensus that we do not have to keep writing <Uxxxx> symbolic
characters in locale files.
Ulrich Drepper's historical comment was that symbolic characters were
used for the eventuality of converting the source files to any encoding
system. Fast forward to today and UTF-8 is the standard. So the
requirement of <Uxxxx> is hard to justify.
Zack Weinberg's excellent scripts are coming along we can use these to
find instances of human errors in the scripts:
https://sourceware.org/ml/libc-alpha/2017-07/msg00860.html
https://sourceware.org/ml/libc-alpha/2017-08/msg00136.html
It still won't be easy to distinguish from i for �, but that's still the
case for <Uxxxx> characters which humans can't read either.
Since we all agreed that we should be able to use non-symbolic (<Uxxxx>)
characters in locale files, the following change removes the verbose
warning that is raised if you use non-symbolic characters in the locale
file.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a3e23a2c1d9e871545c6f438a41fcb8ad429cf70
commit a3e23a2c1d9e871545c6f438a41fcb8ad429cf70
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Fri Oct 13 14:33:09 2017 -0700
locale: Allow "" int_curr_Symbol (bug 22294)
The builtin POSIX locale has "" as the international currency symbol,
but a non-builtin locale may not have such a blank int_curr_symbol.
Therefore to support non-builtin locales with similar "" int_curr_symbol
we adjust the LC_MONETARY parser to allow the normal 4-character
int_curr_symbol *and* the empty "" no symbol. Anything else remains
invalid.
Tested by building all the locales. Tested also with a custom C.UTF-8
locale with "" for int_curr_symbol.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f16491eb8ebbef402f3da6f4035ce70fe36dec97
commit f16491eb8ebbef402f3da6f4035ce70fe36dec97
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Fri Oct 13 09:54:03 2017 -0700
locale: Fix localedef exit code (Bug 22292)
The error and warning handling in localedef, locale, and iconv
is a bit of a mess.
We use ugly constructs like this:
WITH_CUR_LOCALE (error (1, errno, gettext ("\
cannot read character map directory `%s'"), directory));
to issue errors, and read error_message_count directly from the
error API to detect errors. The problem with that is that the
code also uses error to print warnings, and informative messages.
All of this leads to problems where just having warnings will
produce an exit status as-if errors had been seen.
To fix this situation I have adopted the following high-level
changes:
* All errors are counted distinctly.
* All warnings are counted distinctly.
* All informative messages are not counted.
* Increasing verbosity cannot generate *more* errors, and
it previously did for errors conditional on verbose,
this is now fixed.
* Increasing verbosity *can* generate *more* warnings.
* Making the output quiet cannot generate *fewer* errors,
and it previously did for errors conditional on be_quiet,
this is now fixed.
* Each of error, warning, and informative message has it's
own function to call defined in record-status.h, and they
are: record_error, record_warning, and record_verbose.
* The record_error function always records an error, but
conditional on be_quiet may not print it.
* The record_warning function always records a warning,
but conditional on be_quiet may not print it.
* The record_verbose function only prints the verbose
message if verbose is true and be_quiet is false.
This has allowed the following fix:
* Previously any warnings were being treated as errors
because they incremented error_message_count, but now
we properly return an exit status of 1 if there are
warnings but output was generated.
All of this allows localedef to correctly decide if errors,
or warnings were present, and produce the correct exit code.
The locale and iconv programs now also use record-status.h
and we have removed the WITH_CUR_LOCALE hack, and instead
have internal push_locale/pop_locale functions centralized
in the record routines.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8dc8be75d2afb7ebaf55f7609b301e5c6b8692e5
commit 8dc8be75d2afb7ebaf55f7609b301e5c6b8692e5
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Thu Oct 12 23:52:14 2017 -0700
localedata: Reorganize Unicode LC_CTYPE inclusion.
The commit does the following things:
* Move non-transliteration Unicode generated data to i18n_ctype.
* Copy the i18n_ctype data into i18n and add transliteration.
In the future, any locale which needs Unicode LC_CTYPE data can
also just use `copy i18n_ctype` and get the base character classes
and maps without transliteration.
Tested by compiling all the locales and my prototype C.UTF-8 which
uses it.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 82 ++
locale/programs/charmap-dir.c | 6 +-
locale/programs/charmap.c | 35 +-
locale/programs/ld-address.c | 90 +-
locale/programs/ld-collate.c | 64 +-
locale/programs/ld-ctype.c | 258 ++--
locale/programs/ld-identification.c | 24 +-
locale/programs/ld-measurement.c | 14 +-
locale/programs/ld-messages.c | 35 +-
locale/programs/ld-monetary.c | 69 +-
locale/programs/ld-name.c | 20 +-
locale/programs/ld-numeric.c | 23 +-
locale/programs/ld-paper.c | 14 +-
locale/programs/ld-telephone.c | 26 +-
locale/programs/ld-time.c | 97 +-
locale/programs/linereader.c | 8 -
locale/programs/linereader.h | 26 +-
locale/programs/locale.c | 6 +-
locale/programs/localedef.c | 62 +-
locale/programs/localedef.h | 18 +-
locale/programs/locarchive.c | 4 +-
locale/programs/locfile.c | 15 +-
locale/programs/record-status.h | 227 +++
locale/programs/repertoire.c | 11 +-
localedata/gen-locale.sh | 26 +-
localedata/locales/i18n | 2297 +------------------------------
localedata/locales/{i18n => i18n_ctype} | 385 +-----
localedata/tst-fmon.sh | 19 +-
localedata/tst-locale.sh | 19 +-
localedata/unicode-gen/Makefile | 26 +-
30 files changed, 822 insertions(+), 3184 deletions(-)
create mode 100644 locale/programs/record-status.h
copy localedata/locales/{i18n => i18n_ctype} (91%)
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/22295] Don't warn on non-symbolic characters in locale sources in --verbose.
Date: Sat, 14 Oct 2017 05:35:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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via a3e23a2c1d9e871545c6f438a41fcb8ad429cf70 (commit)
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Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc3821bb3b19646311d36c82a13b4ce5afea3508
commit bc3821bb3b19646311d36c82a13b4ce5afea3508
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Fri Oct 13 14:36:23 2017 -0700
locale: No warning for non-symbolic character (bug 22295)
In "Is it OK to write ASCII strings directly into locale source files?"
https://sourceware.org/ml/libc-alpha/2017-07/msg00807.html there is
universal consensus that we do not have to keep writing <Uxxxx> symbolic
characters in locale files.
Ulrich Drepper's historical comment was that symbolic characters were
used for the eventuality of converting the source files to any encoding
system. Fast forward to today and UTF-8 is the standard. So the
requirement of <Uxxxx> is hard to justify.
Zack Weinberg's excellent scripts are coming along we can use these to
find instances of human errors in the scripts:
https://sourceware.org/ml/libc-alpha/2017-07/msg00860.html
https://sourceware.org/ml/libc-alpha/2017-08/msg00136.html
It still won't be easy to distinguish from i for �, but that's still the
case for <Uxxxx> characters which humans can't read either.
Since we all agreed that we should be able to use non-symbolic (<Uxxxx>)
characters in locale files, the following change removes the verbose
warning that is raised if you use non-symbolic characters in the locale
file.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a3e23a2c1d9e871545c6f438a41fcb8ad429cf70
commit a3e23a2c1d9e871545c6f438a41fcb8ad429cf70
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Fri Oct 13 14:33:09 2017 -0700
locale: Allow "" int_curr_Symbol (bug 22294)
The builtin POSIX locale has "" as the international currency symbol,
but a non-builtin locale may not have such a blank int_curr_symbol.
Therefore to support non-builtin locales with similar "" int_curr_symbol
we adjust the LC_MONETARY parser to allow the normal 4-character
int_curr_symbol *and* the empty "" no symbol. Anything else remains
invalid.
Tested by building all the locales. Tested also with a custom C.UTF-8
locale with "" for int_curr_symbol.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f16491eb8ebbef402f3da6f4035ce70fe36dec97
commit f16491eb8ebbef402f3da6f4035ce70fe36dec97
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Fri Oct 13 09:54:03 2017 -0700
locale: Fix localedef exit code (Bug 22292)
The error and warning handling in localedef, locale, and iconv
is a bit of a mess.
We use ugly constructs like this:
WITH_CUR_LOCALE (error (1, errno, gettext ("\
cannot read character map directory `%s'"), directory));
to issue errors, and read error_message_count directly from the
error API to detect errors. The problem with that is that the
code also uses error to print warnings, and informative messages.
All of this leads to problems where just having warnings will
produce an exit status as-if errors had been seen.
To fix this situation I have adopted the following high-level
changes:
* All errors are counted distinctly.
* All warnings are counted distinctly.
* All informative messages are not counted.
* Increasing verbosity cannot generate *more* errors, and
it previously did for errors conditional on verbose,
this is now fixed.
* Increasing verbosity *can* generate *more* warnings.
* Making the output quiet cannot generate *fewer* errors,
and it previously did for errors conditional on be_quiet,
this is now fixed.
* Each of error, warning, and informative message has it's
own function to call defined in record-status.h, and they
are: record_error, record_warning, and record_verbose.
* The record_error function always records an error, but
conditional on be_quiet may not print it.
* The record_warning function always records a warning,
but conditional on be_quiet may not print it.
* The record_verbose function only prints the verbose
message if verbose is true and be_quiet is false.
This has allowed the following fix:
* Previously any warnings were being treated as errors
because they incremented error_message_count, but now
we properly return an exit status of 1 if there are
warnings but output was generated.
All of this allows localedef to correctly decide if errors,
or warnings were present, and produce the correct exit code.
The locale and iconv programs now also use record-status.h
and we have removed the WITH_CUR_LOCALE hack, and instead
have internal push_locale/pop_locale functions centralized
in the record routines.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8dc8be75d2afb7ebaf55f7609b301e5c6b8692e5
commit 8dc8be75d2afb7ebaf55f7609b301e5c6b8692e5
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Thu Oct 12 23:52:14 2017 -0700
localedata: Reorganize Unicode LC_CTYPE inclusion.
The commit does the following things:
* Move non-transliteration Unicode generated data to i18n_ctype.
* Copy the i18n_ctype data into i18n and add transliteration.
In the future, any locale which needs Unicode LC_CTYPE data can
also just use `copy i18n_ctype` and get the base character classes
and maps without transliteration.
Tested by compiling all the locales and my prototype C.UTF-8 which
uses it.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 82 ++
locale/programs/charmap-dir.c | 6 +-
locale/programs/charmap.c | 35 +-
locale/programs/ld-address.c | 90 +-
locale/programs/ld-collate.c | 64 +-
locale/programs/ld-ctype.c | 258 ++--
locale/programs/ld-identification.c | 24 +-
locale/programs/ld-measurement.c | 14 +-
locale/programs/ld-messages.c | 35 +-
locale/programs/ld-monetary.c | 69 +-
locale/programs/ld-name.c | 20 +-
locale/programs/ld-numeric.c | 23 +-
locale/programs/ld-paper.c | 14 +-
locale/programs/ld-telephone.c | 26 +-
locale/programs/ld-time.c | 97 +-
locale/programs/linereader.c | 8 -
locale/programs/linereader.h | 26 +-
locale/programs/locale.c | 6 +-
locale/programs/localedef.c | 62 +-
locale/programs/localedef.h | 18 +-
locale/programs/locarchive.c | 4 +-
locale/programs/locfile.c | 15 +-
locale/programs/record-status.h | 227 +++
locale/programs/repertoire.c | 11 +-
localedata/gen-locale.sh | 26 +-
localedata/locales/i18n | 2297 +------------------------------
localedata/locales/{i18n => i18n_ctype} | 385 +-----
localedata/tst-fmon.sh | 19 +-
localedata/tst-locale.sh | 19 +-
localedata/unicode-gen/Makefile | 26 +-
30 files changed, 822 insertions(+), 3184 deletions(-)
create mode 100644 locale/programs/record-status.h
copy localedata/locales/{i18n => i18n_ctype} (91%)
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/22292] localedef exits with error 4 when it should be error 1
Date: Sat, 14 Oct 2017 05:35:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc3821bb3b19646311d36c82a13b4ce5afea3508
commit bc3821bb3b19646311d36c82a13b4ce5afea3508
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Fri Oct 13 14:36:23 2017 -0700
locale: No warning for non-symbolic character (bug 22295)
In "Is it OK to write ASCII strings directly into locale source files?"
https://sourceware.org/ml/libc-alpha/2017-07/msg00807.html there is
universal consensus that we do not have to keep writing <Uxxxx> symbolic
characters in locale files.
Ulrich Drepper's historical comment was that symbolic characters were
used for the eventuality of converting the source files to any encoding
system. Fast forward to today and UTF-8 is the standard. So the
requirement of <Uxxxx> is hard to justify.
Zack Weinberg's excellent scripts are coming along we can use these to
find instances of human errors in the scripts:
https://sourceware.org/ml/libc-alpha/2017-07/msg00860.html
https://sourceware.org/ml/libc-alpha/2017-08/msg00136.html
It still won't be easy to distinguish from i for �, but that's still the
case for <Uxxxx> characters which humans can't read either.
Since we all agreed that we should be able to use non-symbolic (<Uxxxx>)
characters in locale files, the following change removes the verbose
warning that is raised if you use non-symbolic characters in the locale
file.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a3e23a2c1d9e871545c6f438a41fcb8ad429cf70
commit a3e23a2c1d9e871545c6f438a41fcb8ad429cf70
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Fri Oct 13 14:33:09 2017 -0700
locale: Allow "" int_curr_Symbol (bug 22294)
The builtin POSIX locale has "" as the international currency symbol,
but a non-builtin locale may not have such a blank int_curr_symbol.
Therefore to support non-builtin locales with similar "" int_curr_symbol
we adjust the LC_MONETARY parser to allow the normal 4-character
int_curr_symbol *and* the empty "" no symbol. Anything else remains
invalid.
Tested by building all the locales. Tested also with a custom C.UTF-8
locale with "" for int_curr_symbol.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f16491eb8ebbef402f3da6f4035ce70fe36dec97
commit f16491eb8ebbef402f3da6f4035ce70fe36dec97
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Fri Oct 13 09:54:03 2017 -0700
locale: Fix localedef exit code (Bug 22292)
The error and warning handling in localedef, locale, and iconv
is a bit of a mess.
We use ugly constructs like this:
WITH_CUR_LOCALE (error (1, errno, gettext ("\
cannot read character map directory `%s'"), directory));
to issue errors, and read error_message_count directly from the
error API to detect errors. The problem with that is that the
code also uses error to print warnings, and informative messages.
All of this leads to problems where just having warnings will
produce an exit status as-if errors had been seen.
To fix this situation I have adopted the following high-level
changes:
* All errors are counted distinctly.
* All warnings are counted distinctly.
* All informative messages are not counted.
* Increasing verbosity cannot generate *more* errors, and
it previously did for errors conditional on verbose,
this is now fixed.
* Increasing verbosity *can* generate *more* warnings.
* Making the output quiet cannot generate *fewer* errors,
and it previously did for errors conditional on be_quiet,
this is now fixed.
* Each of error, warning, and informative message has it's
own function to call defined in record-status.h, and they
are: record_error, record_warning, and record_verbose.
* The record_error function always records an error, but
conditional on be_quiet may not print it.
* The record_warning function always records a warning,
but conditional on be_quiet may not print it.
* The record_verbose function only prints the verbose
message if verbose is true and be_quiet is false.
This has allowed the following fix:
* Previously any warnings were being treated as errors
because they incremented error_message_count, but now
we properly return an exit status of 1 if there are
warnings but output was generated.
All of this allows localedef to correctly decide if errors,
or warnings were present, and produce the correct exit code.
The locale and iconv programs now also use record-status.h
and we have removed the WITH_CUR_LOCALE hack, and instead
have internal push_locale/pop_locale functions centralized
in the record routines.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8dc8be75d2afb7ebaf55f7609b301e5c6b8692e5
commit 8dc8be75d2afb7ebaf55f7609b301e5c6b8692e5
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Thu Oct 12 23:52:14 2017 -0700
localedata: Reorganize Unicode LC_CTYPE inclusion.
The commit does the following things:
* Move non-transliteration Unicode generated data to i18n_ctype.
* Copy the i18n_ctype data into i18n and add transliteration.
In the future, any locale which needs Unicode LC_CTYPE data can
also just use `copy i18n_ctype` and get the base character classes
and maps without transliteration.
Tested by compiling all the locales and my prototype C.UTF-8 which
uses it.
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 82 ++
locale/programs/charmap-dir.c | 6 +-
locale/programs/charmap.c | 35 +-
locale/programs/ld-address.c | 90 +-
locale/programs/ld-collate.c | 64 +-
locale/programs/ld-ctype.c | 258 ++--
locale/programs/ld-identification.c | 24 +-
locale/programs/ld-measurement.c | 14 +-
locale/programs/ld-messages.c | 35 +-
locale/programs/ld-monetary.c | 69 +-
locale/programs/ld-name.c | 20 +-
locale/programs/ld-numeric.c | 23 +-
locale/programs/ld-paper.c | 14 +-
locale/programs/ld-telephone.c | 26 +-
locale/programs/ld-time.c | 97 +-
locale/programs/linereader.c | 8 -
locale/programs/linereader.h | 26 +-
locale/programs/locale.c | 6 +-
locale/programs/localedef.c | 62 +-
locale/programs/localedef.h | 18 +-
locale/programs/locarchive.c | 4 +-
locale/programs/locfile.c | 15 +-
locale/programs/record-status.h | 227 +++
locale/programs/repertoire.c | 11 +-
localedata/gen-locale.sh | 26 +-
localedata/locales/i18n | 2297 +------------------------------
localedata/locales/{i18n => i18n_ctype} | 385 +-----
localedata/tst-fmon.sh | 19 +-
localedata/tst-locale.sh | 19 +-
localedata/unicode-gen/Makefile | 26 +-
30 files changed, 822 insertions(+), 3184 deletions(-)
create mode 100644 locale/programs/record-status.h
copy localedata/locales/{i18n => i18n_ctype} (91%)
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From: "romain.naour at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22296] New: glibc 2.26: signbit build issue with Gcc 5.5.0 on x86_64
Date: Sat, 14 Oct 2017 17:25:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22296
Bug ID: 22296
Summary: glibc 2.26: signbit build issue with Gcc 5.5.0 on
x86_64
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: romain.naour at gmail dot com
Target Milestone: ---
Created attachment 10527
--> https://sourceware.org/bugzilla/attachment.cgi?id=10527&action=edit
gcc config.log
Hi,
I'm using a toolchain with gcc 5.5.0, glibc-2.26 (latest stable commit) and
binutils 2.27.
Mesa fail to build with the following error:
In file included from ../../include/c99_math.h:37:0,
from ../../src/gallium/auxiliary/util/u_math.h:44,
from ../../src/mesa/main/macros.h:35,
from glsl_types.cpp:25:
../../src/mesa/main/macros.h: In the function ‘GLboolean
DIFFERENT_SIGNS(GLfloat, GLfloat)’:
../../src/mesa/main/macros.h:794:11: error : expected primary-expression before
‘__typeof’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:11: error : expected primary-expression before
‘float’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:11: error : ‘__builtin_types_compatible_p’ was
not declared in this scope
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:11: error : expected primary-expression before
‘__typeof’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:11: error : expected primary-expression before
‘double’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:11: error : expected primary-expression before
‘__typeof’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:11: error : expected primary-expression before
‘long’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:11: error : ‘__builtin_choose_expr’ was not
declared in this scope
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:11: error : ‘__builtin_choose_expr’ was not
declared in this scope
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:11: error : redeclaration of
‘<typeprefixerror>__builtin_choose_expr’
../../src/mesa/main/macros.h:794:11: note : previous declaration
‘<typeprefixerror>__builtin_choose_expr’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:11: error : ‘__builtin_choose_expr’ was not
declared in this scope
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:11: error : redeclaration of
‘<typeprefixerror>__builtin_choose_expr’
../../src/mesa/main/macros.h:794:11: note : previous declaration
‘<typeprefixerror>__builtin_choose_expr’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:25: error : expected primary-expression before
‘__typeof’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:25: error : expected primary-expression before
‘float’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:25: error : expected primary-expression before
‘__typeof’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:25: error : expected primary-expression before
‘double’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:25: error : expected primary-expression before
‘__typeof’
return signbit(x) != signbit(y);
^
../../src/mesa/main/macros.h:794:25: error : expected primary-expression before
‘long’
return signbit(x) != signbit(y);
^
It seems related to this code in glibc math/math.h :
/* Return nonzero value if sign of X is negative. */
# if __GNUC_PREREQ (6,0)
# define signbit(x) __builtin_signbit (x)
# elif __GNUC_PREREQ (4,0)
# define signbit(x) __MATH_TG ((x), __builtin_signbit, (x))
# else
# define signbit(x) __MATH_TG ((x), __signbit, (x))
# endif
The macro __MATH_TG is defined latter in this file:
#ifdef __NO_LONG_DOUBLE_MATH
[...]
#elif __HAVE_DISTINCT_FLOAT128
# if __HAVE_GENERIC_SELECTION
[...]
# else
# define __MATH_TG(TG_ARG, FUNC, ARGS) \
__builtin_choose_expr \
(__builtin_types_compatible_p (__typeof (TG_ARG), float), \
FUNC ## f ARGS, \
__builtin_choose_expr \
(__builtin_types_compatible_p (__typeof (TG_ARG), double), \
FUNC ARGS, \
__builtin_choose_expr \
(__builtin_types_compatible_p (__typeof (TG_ARG), long double), \
FUNC ## l ARGS, \
FUNC ## f128 ARGS)))
# endif
#else
[...]
For some reason, the macros __builtin_choose_expr and
__builtin_types_compatible_p are not defined with gcc 5.5.0.
It look like an issue with float128 support.
Best regards,
Romain
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From: "arekm at maven dot pl" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/22298] New: x32: lockups on recursive pthread_mutex_lock after upgrade to 2.26
Date: Sun, 15 Oct 2017 13:24:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22298
Bug ID: 22298
Summary: x32: lockups on recursive pthread_mutex_lock after
upgrade to 2.26
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: arekm at maven dot pl
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Program:
#define _GNU_SOURCE 1
#include <stdio.h>
#include <pthread.h>
int main() {
static pthread_mutex_t rpmsigTbl_lock =
PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
printf("LOCK1\n");
pthread_mutex_lock(&rpmsigTbl_lock);
printf("LOCK2\n");
pthread_mutex_lock(&rpmsigTbl_lock);
printf("LOCK3\n");
}
locks when built on Linux x32 glibc 2.25 but run on glibc 2.26
(and vice versa, locks when built on glibc 2.26 but run on 2.25)
$ ./a.out
LOCK1
LOCK2
It was built with "gcc -fopenmp test.c" and -fopenmp seems to be a important
factor. If not using -fopenmp then the problem is gone.
The problem doesn't happen on i686 and x86_64.
From libc-alpha, Andreas Schwab:
"The problem is that sysdeps/nptl/bits/thread-shared-types.h in 2.26 uses
#if __WORDSIZE == 64 where sysdeps/x86/bits/pthreadtypes.h in 2.25 uses
#ifdef __x86_64__. This isn't the same on x32."
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From: "valery_reznic at yahoo dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22299] New: Problem with $PLATFORM on x86_64 platform
Date: Sun, 15 Oct 2017 14:18:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22299
Bug ID: 22299
Summary: Problem with $PLATFORM on x86_64 platform
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: valery_reznic at yahoo dot com
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For glibc 2.26 when running
strace -ELD_PRELOAD='/sss/${PLATFORM}/dddd' -s300 /bin/cat
I got following output:
execve("/bin/cat", ["/bin/cat"], [/* 32 vars */]) = 0
brk(NULL) = 0x556740829000
readlink("/proc/self/exe", "/bin/cat", 4096) = 8
openat(AT_FDCWD, "", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or
directory)
writev(2, [{"ERROR: ld.so: object '", 22}, {"/sss/${PLATFORM}/dddd", 21}, {"'
from ", 7}, {"LD_PRELOAD", 10}, {" cannot be preloaded (", 22}, {"cannot open
shared object file", 30}, {"): ignored.\n", 12}], 7ERROR: ld.so: object
'/sss/${PLATFORM}/dddd' from LD_PRELOAD cannot be preloaded (cannot open shared
object file): ignored.
For glibc-2.22:
execve("/bin/cat", ["/bin/cat"], [/* 32 vars */]) = 0
brk(NULL) = 0x55f02a3b2000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f410eaec000
readlink("/proc/self/exe", "/usr/bin/cat", 4096) = 12
open("/sss/x86_64/dddd", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or
directory)
writev(2, [{"ERROR: ld.so: object '", 22}, {"/sss/${PLATFORM}/dddd", 21}, {"'
from ", 7}, {"LD_PRELOAD", 10}, {" cannot be preloaded (", 22}, {"cannot open
shared object file", 30}, {"): ignored.\n", 12}], 7ERROR: ld.so: object
'/sss/${PLATFORM}/dddd' from LD_PRELOAD cannot be preloaded (cannot open shared
object file): ignored.
) = 124
Version 2.22 correctly expand $PLATFORM and attempts to load
"/sss/x86_64/dddd", as expected
Version 2.26 instead tried to openat file with empty name:
openat(AT_FDCWD, "", O_RDONLY|O_CLOEXEC)
I think that problem is GLRO(dl_platform) == NULL.
How it came to be?
File elf/dl-sysdep.c
function _dl_sysdep_start set PLATFORM at line 156:
case AT_PLATFORM:
GLRO(dl_platform) = (void *) av->a_un.a_val;
break;
But after that at line 231 calls DL_PLATFORM_INIT
#ifdef DL_PLATFORM_INIT
DL_PLATFORM_INIT;
#endif
DL_PLATFORM_INIT defined to dl_platform_init();
File sysdeps/x86_64/dl-machine.h, line 240
static inline void __attribute__ ((unused))
dl_platform_init (void)
{
#if IS_IN (rtld)
/* init_cpu_features has been called early from __libc_start_main in
static executable. */
init_cpu_features (&GLRO(dl_x86_cpu_features));
#else
if (GLRO(dl_platform) != NULL && *GLRO(dl_platform) == '\0')
/* Avoid an empty string which would disturb us. */
GLRO(dl_platform) = NULL;
#endif
}
function init_cpu_features first of all reset dl_platform:
File sysdeps/x86/cpu-features.c, line 334
/* Reuse dl_platform, dl_hwcap and dl_hwcap_mask for x86. */
GLRO(dl_platform) = NULL;
GLRO(dl_hwcap) = 0;
And then, if special processor detected, set it to "haswell" or "xeon_phi"
But if no special processor detected, dl_platform will remain NULL, not x86_64
File sysdeps/x86/cpu-features.c, line 343
#ifdef __x86_64__
if (cpu_features->kind == arch_kind_intel)
{
if (CPU_FEATURES_ARCH_P (cpu_features, AVX512F_Usable)
| && CPU_FEATURES_CPU_P (cpu_features, AVX512CD))
| {
| if (CPU_FEATURES_CPU_P (cpu_features, AVX512ER))
| {
| if (CPU_FEATURES_CPU_P (cpu_features, AVX512PF))
| | GLRO(dl_platform) = "xeon_phi";
| }
| else
| {
| if (CPU_FEATURES_CPU_P (cpu_features, AVX512BW)
| | && CPU_FEATURES_CPU_P (cpu_features, AVX512DQ)
| | && CPU_FEATURES_CPU_P (cpu_features, AVX512VL))
| | GLRO(dl_hwcap) |= HWCAP_X86_AVX512_1;
| }
| }
if (GLRO(dl_platform) == NULL
| && CPU_FEATURES_ARCH_P (cpu_features, AVX2_Usable)
| && CPU_FEATURES_ARCH_P (cpu_features, FMA_Usable)
| && CPU_FEATURES_CPU_P (cpu_features, BMI1)
| && CPU_FEATURES_CPU_P (cpu_features, BMI2)
| && CPU_FEATURES_CPU_P (cpu_features, LZCNT)
| && CPU_FEATURES_CPU_P (cpu_features, MOVBE)
| && CPU_FEATURES_CPU_P (cpu_features, POPCNT))
| GLRO(dl_platform) = "haswell";
}
#else
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Subject: [Bug nptl/22298] x32: lockups on recursive pthread_mutex_lock after upgrade to 2.26
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| |zatrazz at gmail dot com
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Subject: [Bug malloc/22052] malloc failed to compile with GCC 7 and -O3
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pr22298/master has been created
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=16be5568a0c24b9bd1ade7fa937c94b5d53b6ab1
commit 16be5568a0c24b9bd1ade7fa937c94b5d53b6ab1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 15 07:48:58 2017 -0700
Define __PTHREAD_MUTEX_HAVE_PREV only if undefined [BZ #22298]
It is incorrect to define __PTHREAD_MUTEX_HAVE_PREV to 1 only when
__WORDSIZE == 64. For x32, __PTHREAD_MUTEX_HAVE_PREV should be 1, but
it has __WORDSIZE == 32. This patch defines __PTHREAD_MUTEX_HAVE_PREV
based on __WORDSIZE only if it is undefined. __PTHREAD_MUTEX_HAVE_PREV
check is changed from "#ifdef" to "#if" to support values of 0 or 1.
[BZ #22298]
* nptl/allocatestack.c (allocate_stack): Check if
__PTHREAD_MUTEX_HAVE_PREV is non-zero, instead if
__PTHREAD_MUTEX_HAVE_PREV is defined.
* nptl/descr.h (pthread): Likewise.
* nptl/nptl-init.c (__pthread_initialize_minimal_internal):
Likewise.
* nptl/pthread_create.c (START_THREAD_DEFN): Likewise.
* sysdeps/nptl/fork.c (__libc_fork): Likewise.
* sysdeps/nptl/pthread.h (PTHREAD_MUTEX_INITIALIZER): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h
(__PTHREAD_MUTEX_HAVE_PREV): Define only if it is undefined.
(__pthread_internal_list): Check __pthread_internal_list instead
of __WORDSIZE.
(__PTHREAD_SPINS_DATA): Likewise.
(__PTHREAD_SPINS): Likewise.
(__pthread_mutex_s): Likewise.
* sysdeps/x86/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_HAVE_PREV): Defined.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=df44f9d02b68de45ba8c3984f47ecf1a523306ec
commit df44f9d02b68de45ba8c3984f47ecf1a523306ec
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 15 07:23:41 2017 -0700
x32: Verify that NPTL structures are correct [BZ #22298]
Add a build-time check to verify that NPTL structures are correct.
* sysdeps/x86_64/x32/nptl/Makefile: New file.
* sysdeps/x86_64/x32/nptl/nptl-check.sym: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aca3e9b42f9c172af368f2fc54d2c7299b231cc0
commit aca3e9b42f9c172af368f2fc54d2c7299b231cc0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Sep 3 08:39:55 2017 -0700
Silence -O3 -Wall warning in malloc/hooks.c with GCC 7 [BZ #22052]
realloc_check has
unsigned char *magic_p;
...
__libc_lock_lock (main_arena.mutex);
const mchunkptr oldp = mem2chunk_check (oldmem, &magic_p);
__libc_lock_unlock (main_arena.mutex);
if (!oldp)
malloc_printerr ("realloc(): invalid pointer");
...
if (newmem == NULL)
*magic_p ^= 0xFF;
with
static void malloc_printerr(const char *str) __attribute__ ((noreturn));
GCC 7 -O3 warns
hooks.c: In function ‘realloc_check’:
hooks.c:352:14: error: ‘magic_p’ may be used uninitialized in this function
[-Werror=maybe-uninitialized]
*magic_p ^= 0xFF;
This patch silences GCC 7 by using DIAG_IGNORE_NEEDS_COMMENT.
[BZ #22052]
* malloc/hooks.c (realloc_check): Use DIAG_IGNORE_NEEDS_COMMENT
to silence -O3 -Wall warning GCC 7.
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Subject: [Bug nptl/22298] x32: lockups on recursive pthread_mutex_lock after upgrade to 2.26
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=16be5568a0c24b9bd1ade7fa937c94b5d53b6ab1
commit 16be5568a0c24b9bd1ade7fa937c94b5d53b6ab1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 15 07:48:58 2017 -0700
Define __PTHREAD_MUTEX_HAVE_PREV only if undefined [BZ #22298]
It is incorrect to define __PTHREAD_MUTEX_HAVE_PREV to 1 only when
__WORDSIZE == 64. For x32, __PTHREAD_MUTEX_HAVE_PREV should be 1, but
it has __WORDSIZE == 32. This patch defines __PTHREAD_MUTEX_HAVE_PREV
based on __WORDSIZE only if it is undefined. __PTHREAD_MUTEX_HAVE_PREV
check is changed from "#ifdef" to "#if" to support values of 0 or 1.
[BZ #22298]
* nptl/allocatestack.c (allocate_stack): Check if
__PTHREAD_MUTEX_HAVE_PREV is non-zero, instead if
__PTHREAD_MUTEX_HAVE_PREV is defined.
* nptl/descr.h (pthread): Likewise.
* nptl/nptl-init.c (__pthread_initialize_minimal_internal):
Likewise.
* nptl/pthread_create.c (START_THREAD_DEFN): Likewise.
* sysdeps/nptl/fork.c (__libc_fork): Likewise.
* sysdeps/nptl/pthread.h (PTHREAD_MUTEX_INITIALIZER): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h
(__PTHREAD_MUTEX_HAVE_PREV): Define only if it is undefined.
(__pthread_internal_list): Check __pthread_internal_list instead
of __WORDSIZE.
(__PTHREAD_SPINS_DATA): Likewise.
(__PTHREAD_SPINS): Likewise.
(__pthread_mutex_s): Likewise.
* sysdeps/x86/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_HAVE_PREV): Defined.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=df44f9d02b68de45ba8c3984f47ecf1a523306ec
commit df44f9d02b68de45ba8c3984f47ecf1a523306ec
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 15 07:23:41 2017 -0700
x32: Verify that NPTL structures are correct [BZ #22298]
Add a build-time check to verify that NPTL structures are correct.
* sysdeps/x86_64/x32/nptl/Makefile: New file.
* sysdeps/x86_64/x32/nptl/nptl-check.sym: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aca3e9b42f9c172af368f2fc54d2c7299b231cc0
commit aca3e9b42f9c172af368f2fc54d2c7299b231cc0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Sep 3 08:39:55 2017 -0700
Silence -O3 -Wall warning in malloc/hooks.c with GCC 7 [BZ #22052]
realloc_check has
unsigned char *magic_p;
...
__libc_lock_lock (main_arena.mutex);
const mchunkptr oldp = mem2chunk_check (oldmem, &magic_p);
__libc_lock_unlock (main_arena.mutex);
if (!oldp)
malloc_printerr ("realloc(): invalid pointer");
...
if (newmem == NULL)
*magic_p ^= 0xFF;
with
static void malloc_printerr(const char *str) __attribute__ ((noreturn));
GCC 7 -O3 warns
hooks.c: In function ‘realloc_check’:
hooks.c:352:14: error: ‘magic_p’ may be used uninitialized in this function
[-Werror=maybe-uninitialized]
*magic_p ^= 0xFF;
This patch silences GCC 7 by using DIAG_IGNORE_NEEDS_COMMENT.
[BZ #22052]
* malloc/hooks.c (realloc_check): Use DIAG_IGNORE_NEEDS_COMMENT
to silence -O3 -Wall warning GCC 7.
-----------------------------------------------------------------------
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To: glibc-bugs@sourceware.org
Subject: [Bug malloc/22052] malloc failed to compile with GCC 7 and -O3
Date: Sun, 15 Oct 2017 15:18:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 8e57c9432a2b68c8a1e7f4df28f0e8c7acc04753 (commit)
from a4777c46af89649f2282c1703e8117ccd058d719 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e57c9432a2b68c8a1e7f4df28f0e8c7acc04753
commit 8e57c9432a2b68c8a1e7f4df28f0e8c7acc04753
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 15 08:16:26 2017 -0700
Silence -O3 -Wall warning in malloc/hooks.c with GCC 7 [BZ #22052]
realloc_check has
unsigned char *magic_p;
...
__libc_lock_lock (main_arena.mutex);
const mchunkptr oldp = mem2chunk_check (oldmem, &magic_p);
__libc_lock_unlock (main_arena.mutex);
if (!oldp)
malloc_printerr ("realloc(): invalid pointer");
...
if (newmem == NULL)
*magic_p ^= 0xFF;
with
static void malloc_printerr(const char *str) __attribute__ ((noreturn));
GCC 7 -O3 warns
hooks.c: In function ‘realloc_check’:
hooks.c:352:14: error: ‘magic_p’ may be used uninitialized in this function
[-Werror=maybe-uninitialized]
*magic_p ^= 0xFF;
due to the GCC bug:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82090
This patch silences GCC 7 by using DIAG_IGNORE_NEEDS_COMMENT.
[BZ #22052]
* malloc/hooks.c (realloc_check): Use DIAG_IGNORE_NEEDS_COMMENT
to silence -O3 -Wall warning with GCC 7.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
malloc/hooks.c | 7 +++++++
2 files changed, 13 insertions(+), 0 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug malloc/22052] malloc failed to compile with GCC 7 and -O3
Date: Sun, 15 Oct 2017 15:19:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Sun, 15 Oct 2017 15:57:00 -0000
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--- Comment #12 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, hjl/pie/static has been created
at 5687269ac5678cd81bec5c499489d2d06b3de370 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5687269ac5678cd81bec5c499489d2d06b3de370
commit 5687269ac5678cd81bec5c499489d2d06b3de370
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ca42267a57d207e3faa43565980caf535c993b79
commit ca42267a57d207e3faa43565980caf535c993b79
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4ea9f0adf0fe73ff440492e97cd7879eb7a0faba
commit 4ea9f0adf0fe73ff440492e97cd7879eb7a0faba
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=156e571d5b67344287171315ec26b009ee0350a9
commit 156e571d5b67344287171315ec26b009ee0350a9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d703101ae24c4910acb5dc36e56587c75a7ff985
commit d703101ae24c4910acb5dc36e56587c75a7ff985
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cb3725e1c33dca4618ae73d133b05bca13c74cb6
commit cb3725e1c33dca4618ae73d133b05bca13c74cb6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a2542bb2c770fcb3ac15bb57a3a5f041cb371266
commit a2542bb2c770fcb3ac15bb57a3a5f041cb371266
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bdd2dfd7aef88ab7c019687adef43c3907630441
commit bdd2dfd7aef88ab7c019687adef43c3907630441
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1eddd1bf12e71339c72425d4769a4ff2ed6c5531
commit 1eddd1bf12e71339c72425d4769a4ff2ed6c5531
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4335ebe65f4b6836f54a4e0e03fc98c7ef057eef
commit 4335ebe65f4b6836f54a4e0e03fc98c7ef057eef
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:36:33 2017 -0700
aarch64: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/aarch64/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=07dddabe06d9e4cdb08c8ff5cf271c98c446db35
commit 07dddabe06d9e4cdb08c8ff5cf271c98c446db35
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
crt1.o, which is used to create dynamic and non-PIE static executables,
is updated to include a dummy _dl_relocate_static_pie. Pcrt1.o is added
to create static PIE, which will link in the real _dl_relocate_static_pie.
gPcrt1.o is also added to create static PIE with -pg.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, m68k, s390 and sh.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `P' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add P$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)P$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
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From: "romain.naour at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22296] glibc 2.26: signbit build issue with Gcc 5.5.0 on x86_64
Date: Sun, 15 Oct 2017 17:58:00 -0000
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--- Comment #1 from romain.naour at gmail dot com ---
Created attachment 10530
--> https://sourceware.org/bugzilla/attachment.cgi?id=10530&action=edit
libstdc++-v3 config.log
There is the same issue while configuring libstdc++:
configure:16710: checking for ISO C99 support in <math.h>
configure:16779:
/home/naourr/toolchains/x86_64-gcc5.5-glibc-2.26.x/build/host-gcc-final-5.5.0/build/./gcc/xgcc
-shared-libgcc
-B/home/naourr/toolchains/x86_64-gcc5.5-glibc-2.26.x/build/host-gcc-final-5.5.0/build/./gcc
-nostdinc++
-L/home/naourr/toolchains/x86_64-gcc5.5-glibc-2.26.x/build/host-gcc-final-5.5.0/build/x86_64-buildroot-linux-gnu/libstdc++-v3/src
-L/home/naourr/toolchains/x86_64-gcc5.5-glibc-2.26.x/build/host-gcc-final-5.5.0/build/x86_64-buildroot-linux-gnu/libstdc++-v3/src/.libs
-L/home/naourr/toolchains/x86_64-gcc5.5-glibc-2.26.x/build/host-gcc-final-5.5.0/build/x86_64-buildroot-linux-gnu/libstdc++-v3/libsupc++/.libs
-B/home/naourr/toolchains/x86_64-gcc5.5-glibc-2.26.x/host/x86_64-buildroot-linux-gnu/bin/
-B/home/naourr/toolchains/x86_64-gcc5.5-glibc-2.26.x/host/x86_64-buildroot-linux-gnu/lib/
-isystem
/home/naourr/toolchains/x86_64-gcc5.5-glibc-2.26.x/host/x86_64-buildroot-linux-gnu/include
-isystem
/home/naourr/toolchains/x86_64-gcc5.5-glibc-2.26.x/host/x86_64-buildroot-linux-gnu/sys-include
-o conftest -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
-Os -D_GNU_SOURCE -std=c++98 -fno-exceptions conftest.cpp -lm >&5
In file included from conftest.cpp:36:0:
conftest.cpp: In function 'int main()':
conftest.cpp:47:11: error: expected primary-expression before '__typeof'
i = signbit(d1);
^
conftest.cpp:47:11: error: expected primary-expression before 'float'
i = signbit(d1);
^
conftest.cpp:47:11: error: '__builtin_types_compatible_p' was not declared in
this scope
i = signbit(d1);
^
conftest.cpp:47:11: error: expected primary-expression before '__typeof'
i = signbit(d1);
^
conftest.cpp:47:11: error: expected primary-expression before 'double'
i = signbit(d1);
^
conftest.cpp:47:11: error: expected primary-expression before '__typeof'
i = signbit(d1);
^
conftest.cpp:47:11: error: expected primary-expression before 'long'
i = signbit(d1);
^
conftest.cpp:47:11: error: '__builtin_choose_expr' was not declared in this
scope
i = signbit(d1);
^
conftest.cpp:47:11: error: '__builtin_choose_expr' was not declared in this
scope
i = signbit(d1);
^
conftest.cpp:47:11: error: redeclaration of
'<typeprefixerror>__builtin_choose_expr'
conftest.cpp:47:11: note: previous declaration
'<typeprefixerror>__builtin_choose_expr'
i = signbit(d1);
^
conftest.cpp:47:11: error: '__builtin_choose_expr' was not declared in this
scope
i = signbit(d1);
^
conftest.cpp:47:11: error: redeclaration of
'<typeprefixerror>__builtin_choose_expr'
conftest.cpp:47:11: note: previous declaration
'<typeprefixerror>__builtin_choose_expr'
i = signbit(d1);
^
configure:16779: $? = 1
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Mon, 16 Oct 2017 08:53:00 -0000
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--- Comment #3 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Rafal Luzynski from comment #1)
> >LC_CTYPE
> >copy "ru_RU"
> >END LC_CTYPE
>
> I haven't checked, are you sure that all Yakut-specific characters are
> already there?
ru_RU contains:
LC_CTYPE
copy "i18n"
translit_start
include "translit_combining";""
translit_end
END LC_CTYPE
I think all characters must be there because the “i18n” file is
generated by Python scripts from Unicode data and contains all
characters in Unicode.
So unless Yakut needs any changes to the character classes in that
“i18n” file, using that should be fine (for example Turkish needs
differences in “toupper” and “tolower” because of the ı <-> I and
i <-> İ pairs of lowercase/uppercase letters).
And if Yakut doesn’t need special translit rules, using
copy "ru_RU" should be fine.
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22241] New locale: Yakut (Sakha) locale for Russia (sah_RU)
Date: Mon, 16 Oct 2017 09:40:00 -0000
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--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Rafal Luzynski from comment #1)
> THE MAJOR ISSUE HERE: The abday and day arrays must always start with
> Sunday. If you want to display Monday first it will be specified elsewhere.
> See also: https://sourceware.org/glibc/wiki/Locales#LC_TIME
The relevant part at the link Rafal gave is:
WEEKSTARTDATE specifies the base of the abday and day lists
first_weekday specifies the offset of the first day-of-week in the
abday and day lists
For compatibility reasons, all locales should set WEEKSTARTDATE on
19971130 (Sunday) and base the abday and day lists appropriately,
and set first_weekday 1 or 2 depending to whether their week
actually starts on Sunday or Monday.
So you should set "first_weekday 2" if you want to display Monday in
the first column of a calendar but start the abday arrays with Sunday
> Now when you fix these bugs please provide a patch instead of a file. The
> patch should add this file and add the language to localedata/SUPPORTED.
> Though, I'm not sure ATM if the new line in localedata/SUPPORTED should be
> "sah_RU/UTF-8" or "sah_RU.UTF-8/UTF-8". Please see some examples of patches
> which add a new language:
> https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=f8de956
> https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=3f802ae
I think "sah_RU/UTF-8" is better.
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22019] Wrong placement of monetary symbol in el_GR (negative amounts)
Date: Mon, 16 Oct 2017 10:44:00 -0000
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--- Comment #1 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Christos Georgiou from comment #0)
> I understand that I should provide a link to a proper standard (assumably
> from http://www.elot.gr/default_en.aspx , the Greek Standards Organisation)
> but it's difficult to provide one (web searches did not produce results, so
> I have contacted them by email and am still in the
> wait-for-a-reply-by-someone-in-the-know phase). I will try to update the
> issue with any relevant information.
Could you find a reference to a standard?
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Subject: [Bug string/22290] XSI-compliant strerror_r unavailable in C++
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Subject: [Bug malloc/22050] Linking with -lmcheck does not hook __malloc_initialize_hook correctly
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7ece6cd509703ee151092a50956dbd45ca1b13da
commit 7ece6cd509703ee151092a50956dbd45ca1b13da
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Oct 16 20:52:34 2017 +0200
malloc: Use compat_symbol_reference in libmcheck [BZ #22050]
Since glibc 2.24, __malloc_initialize_hook is a compat symbol. As a
result, the link editor does not export a definition of
__malloc_initialize_hook from the main program, so that it no longer
interposes the variable definition in libc.so. Specifying the symbol
version restores the exported symbol.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d8287b36ab44aa2bc3ba59b97433bcf0ab6ae0e8
commit d8287b36ab44aa2bc3ba59b97433bcf0ab6ae0e8
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Oct 16 20:50:04 2017 +0200
malloc: Do not compile mcheck-init.o as libc module
Otherwise, this will lead to a link failure because the reference
to mcheck is hidden.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
malloc/Makefile | 1 +
malloc/mcheck-init.c | 3 +++
3 files changed, 14 insertions(+), 0 deletions(-)
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Subject: [Bug malloc/22050] Linking with -lmcheck does not hook __malloc_initialize_hook correctly
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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Subject: [Bug libc/22305] New: strchr macro defeats GCC strchr optimization
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Bug ID: 22305
Summary: strchr macro defeats GCC strchr optimization
Product: glibc
Version: 2.25
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
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When compiled with G++, the two functions in the following test case result in
equivalently optimal object code. But when compiled with GCC (in C mode),
qhile g0() is optimally efficient g1() is not.
$ cat t.c && gcc -O2 -S -fdump-tree-optimized=/dev/stdout t.c
#include <stdlib.h>
#include <string.h>
void g0 (void)
{
char a[9];
strcpy (a, "012345");
char *p = __builtin_strchr (a, '\0');
if (!p)
abort ();
}
void g1 (void)
{
char a[9];
strcpy (a, "012345");
char *p = strchr (a, '\0');
if (p - a != strlen (a))
abort ();
}
;; Function g0 (g0, funcdef_no=13, decl_uid=2582, cgraph_uid=13,
symbol_order=13)
g0 ()
{
<bb 2> [100.00%]:
return;
}
;; Function g1 (g1, funcdef_no=14, decl_uid=2587, cgraph_uid=14,
symbol_order=14)
g1 ()
{
char * p;
char a[9];
long int p.0_1;
long int a.1_2;
long int _3;
long unsigned int _4;
long unsigned int _5;
<bb 2> [100.00%]:
__builtin_memcpy (&a, "012345", 7);
p_9 = __rawmemchr (&a, 0);
p.0_1 = (long int) p_9;
a.1_2 = (long int) &a;
_3 = p.0_1 - a.1_2;
_4 = (long unsigned int) _3;
_5 = strlen (&a);
if (_4 != _5)
goto <bb 3>; [0.04%]
else
goto <bb 4>; [99.96%]
<bb 3> [0.04%]:
abort ();
<bb 4> [99.96%]:
a ={v} {CLOBBER};
return;
}
The translation unit for the test case suggests the cause of the worse code is
the following definition of the strchr macro in string2.h:
#ifndef _HAVE_STRING_ARCH_strchr
extern void *__rawmemchr (const void *__s, int __c);
# define strchr(s, c) \
(__extension__ (__builtin_constant_p (c) && !__builtin_constant_p (s) \
&& (c) == '\0' \
? (char *) __rawmemchr (s, c) \
: __builtin_strchr (s, c)))
#endif
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H.J. Lu <hjl.tools at gmail dot com> changed:
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----------------------------------------------------------------------------
CC| |hjl.tools at gmail dot com
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Is this a dup of BZ 22093?
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Subject: [Bug dynamic-link/22299] Problem with $PLATFORM on x86_64 platform
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
A dup of PR 22093?
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Subject: [Bug libc/22305] strchr macro defeats GCC strchr optimization
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
bits/string2.h has been removed in 2.26.
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Subject: [Bug dynamic-link/22299] Problem with $PLATFORM on x86_64 platform
Date: Tue, 17 Oct 2017 06:08:00 -0000
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--- Comment #3 from Valery <valery_reznic at yahoo dot com> ---
Created attachment 10534
--> https://sourceware.org/bugzilla/attachment.cgi?id=10534&action=edit
patch that avoid reset GLRO(dl_platform) to the NULL
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>From glibc-bugs-return-39298-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 17 08:40:22 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22019] Wrong placement of monetary symbol in el_GR (negative amounts)
Date: Tue, 17 Oct 2017 08:40:00 -0000
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--- Comment #2 from Christos Georgiou <tzotzioy+bzl at gmail dot com> ---
Still waiting for an answer from http://www.elot.gr/default_en.aspx , sorry.
However, is there any documentation referencing any standard for the current
choice of different Positive/Negative formats? If not, then we can consider the
possibility that the original choice was a mistake.
NB: until a standard is located (and I am pessimistic about it) the €### and
###€ are equally common in official (i.e. state) documents, although the most
common case is not using the euro sign at all, it being implied or contained in
the title of a column. But I haven't found anywhere an inconsistent usage in
regards to the euro sign being used as a prefix or a suffix to the amount
depending on the amount sign.
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>From glibc-bugs-return-39299-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 17 12:43:48 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22019] Wrong placement of monetary symbol in el_GR (negative amounts)
Date: Tue, 17 Oct 2017 12:43:00 -0000
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--- Comment #3 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Christos Georgiou from comment #2)
> Still waiting for an answer from http://www.elot.gr/default_en.aspx , sorry.
>
> However, is there any documentation referencing any standard for the current
> choice of different Positive/Negative formats? If not, then we can consider
> the possibility that the original choice was a mistake.
Yes, I agree.
CLDR has this:
http://unicode.org/cldr/trac/browser/trunk/common/main/el.xml#L5563
<currencyFormats numberSystem="latn">
<currencyFormatLength>
<currencyFormat type="standard">
<pattern>#,##0.00 ¤</pattern>
</currencyFormat>
<currencyFormat type="accounting">
<pattern>#,##0.00 ¤</pattern>
</currencyFormat>
</currencyFormatLength>
I.e. the currency sign comea after the amount.
In some locales like it_CH.xml CLDR has
different patterns for positive and negative
amounts separated by a “;”:
<pattern>¤ #,##0.00;¤-#,##0.00</pattern>
As the el.xml file does not have this, I think we can assume that the
positive and negative amounts use the same pattern.
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Subject: [Bug localedata/22019] Wrong placement of monetary symbol in el_GR (negative amounts)
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commit 56a752ab6aa89088a787d852358cdd8f0a0d57f1
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Oct 17 14:54:53 2017 +0200
Place monetary symbol in el_GR and el_CY after the amount
CLDR uses this pattern as well.
[BZ #22019]
* localedata/locales/el_GR: Set n_cs_precedes to 0.
* localedata/locales/el_CY: copy "el_GR" because it is identical.
* stdlib/tst-strfmon_l.c: adapt test case.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
localedata/locales/el_CY | 16 +---------------
localedata/locales/el_GR | 2 +-
stdlib/tst-strfmon_l.c | 4 ++--
4 files changed, 11 insertions(+), 18 deletions(-)
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Subject: [Bug localedata/22019] Wrong placement of monetary symbol in el_GR (negative amounts)
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #5 from Mike FABIAN <maiku.fabian at gmail dot com> ---
FIXED in glibc master.
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>From glibc-bugs-return-39302-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 17 14:11:56 2017
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Subject: [Bug localedata/2522] ca_ES@valencia: new Valencian (meridional Catalan) locale
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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----------------------------------------------------------------------------
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Assignee|libc-locales at sourceware dot org |maiku.fabian at gmail dot com
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>From glibc-bugs-return-39303-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 17 14:13:19 2017
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Subject: [Bug math/22296] glibc 2.26: signbit build issue with Gcc 5.5.0 on x86_64
Date: Tue, 17 Oct 2017 14:13:00 -0000
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commit 386e1c26ac473d6863133ab9cbe3bbda16c15816
Author: Romain Naour <romain.naour@gmail.com>
Date: Mon Oct 16 23:21:56 2017 +0200
Let signbit use the builtin in C++ mode with gcc < 6.x (bug 22296)
When using gcc < 6.x, signbit does not use the type-generic
__builtin_signbit builtin, instead it uses __MATH_TG.
However, when library support for float128 is available, __MATH_TG uses
__builtin_types_compatible_p, which is not available in C++ mode.
On the other hand, libstdc++ undefines (in cmath) many macros from
math.h, including signbit, so that it can provide its own functions.
However, during its configure tests, libstdc++ just tests for the
availability of the macros (it does not undefine them, nor does it
provide its own functions).
Finally, libstdc++ configure tests include math.h and get the definition
of signbit that uses __MATH_TG (and __builtin_types_compatible_p).
Since libstdc++ does not undefine the macros during its configure
tests, they fail.
This patch lets signbit use the builtin in C++ mode when gcc < 6.x is
used. This allows the configure test in libstdc++ to work.
Tested for x86_64.
[BZ #22296]
* math/math.h: Let signbit use the builtin in C++ mode with gcc
< 6.x
Cc: Gabriel F. T. Gomes <gftg@linux.vnet.ibm.com>
Cc: Joseph Myers <joseph@codesourcery.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
math/math.h | 9 +++++++++
2 files changed, 15 insertions(+), 0 deletions(-)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5bf58bc75000e2f49a4836a53dcd2a43884469be
commit 5bf58bc75000e2f49a4836a53dcd2a43884469be
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Thu Jun 30 12:57:32 2016 +0200
New locale ca_ES@valencia [BZ #2522]
The Valencian (meridional Catalan) locale is basically a copy of the
Catalan locale. The point of having a separate locale is only for PO
translations. This locale is already provided by several distributions
and is already supported by various projects like LibreOffice, Mozilla,
Gnome, KDE.
Aurelien Jarno <aurelien@aurel32.net>
[BZ #2522]
* localedata/locales/ca_ES@valencia: New file.
* localedata/SUPPORTED: Add ca_ES@valencia/UTF-8.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 ++
localedata/SUPPORTED | 1 +
localedata/locales/{ca_ES@euro => ca_ES@valencia} | 80 ++++++++++-----------
3 files changed, 47 insertions(+), 41 deletions(-)
copy localedata/locales/{ca_ES@euro => ca_ES@valencia} (52%)
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Subject: [Bug localedata/2522] ca_ES@valencia: new Valencian (meridional Catalan) locale
Date: Tue, 17 Oct 2017 16:38:00 -0000
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--- Comment #16 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
If the commit fixes the bug, please mark it as FIXED with the target
milestone set to 2.27.
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Subject: [Bug math/22296] glibc 2.26: signbit build issue with Gcc 5.5.0 on x86_64
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--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
If the commit fixes the bug, please mark it as FIXED with target milestone
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Subject: [Bug malloc/22159] malloc: MALLOC_CHECK_ broken with --enable-tunables=no
Date: Tue, 17 Oct 2017 17:57:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3381be5cdef2e43949db12f66a5a3ec23b2c4c90
commit 3381be5cdef2e43949db12f66a5a3ec23b2c4c90
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Tue Oct 17 18:55:16 2017 +0100
Improve malloc initialization sequence
The current malloc initialization is quite convoluted. Instead of
sometimes calling malloc_consolidate from ptmalloc_init, call
malloc_init_state early so that the main_arena is always initialized.
The special initialization can now be removed from malloc_consolidate.
This also fixes BZ #22159.
Check all calls to malloc_consolidate and remove calls that are
redundant initialization after ptmalloc_init, like in int_mallinfo
and __libc_mallopt (but keep the latter as consolidation is required for
set_max_fast). Update comments to improve clarity.
Remove impossible initialization check from _int_malloc, fix assert
in do_check_malloc_state to ensure arena->top != 0. Fix the obvious bugs
in do_check_free_chunk and do_check_remalloced_chunk to enable single
threaded malloc debugging (do_check_malloc_state is not thread safe!).
[BZ #22159]
* malloc/arena.c (ptmalloc_init): Call malloc_init_state.
* malloc/malloc.c (do_check_free_chunk): Fix build bug.
(do_check_remalloced_chunk): Fix build bug.
(do_check_malloc_state): Add assert that checks arena->top.
(malloc_consolidate): Remove initialization.
(int_mallinfo): Remove call to malloc_consolidate.
(__libc_mallopt): Clarify why malloc_consolidate is needed.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +++
malloc/arena.c | 13 +---
malloc/malloc.c | 197 ++++++++++++++++++++++++------------------------------
3 files changed, 103 insertions(+), 118 deletions(-)
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Subject: [Bug math/22296] glibc 2.26: signbit build issue with Gcc 5.5.0 on x86_64
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romain.naour at gmail dot com changed:
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----------------------------------------------------------------------------
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--- Comment #4 from romain.naour at gmail dot com ---
Fixed by
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=386e1c26ac473d6863133ab9cbe3bbda16c15816
Change the status to FIXED.
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Subject: [Bug math/22296] glibc 2.26: signbit build issue with Gcc 5.5.0 on x86_64
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Subject: [Bug math/22296] glibc 2.26: signbit build issue with Gcc 5.5.0 on x86_64
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Florian Weimer <fweimer at redhat dot com> changed:
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CC| |fweimer at redhat dot com
Target Milestone|--- |2.27
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Subject: [Bug localedata/2522] ca_ES@valencia: new Valencian (meridional Catalan) locale
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #17 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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To: glibc-bugs@sourceware.org
Subject: [Bug malloc/22159] malloc: MALLOC_CHECK_ broken with --enable-tunables=no
Date: Wed, 18 Oct 2017 10:01:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
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Assignee|fweimer at redhat dot com |unassigned at sourceware dot org
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed for 2.27.
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Subject: [Bug localedata/16777] pl_PL: incorrect thousands separator in locale
Date: Wed, 18 Oct 2017 13:40:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 508b1e71a37355839ab91f9c09ce7e577cf69a58 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=508b1e71a37355839ab91f9c09ce7e577cf69a58
commit 508b1e71a37355839ab91f9c09ce7e577cf69a58
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 18 14:27:44 2017 +0200
Use U+202F NARROW NO-BREAK SPACE as thousands separators in pl_PL locale
[BZ #16777]
[BZ #16777]
* localedata/locales/pl_PL (LC_MONETARY): Use U+202F as
mon_thousands_sep
and improve readability by using more ASCII.
* localedata/locales/pl_PL (LC_NUMERIC): Use U+202F as thousands_sep
and improve readability by using more ASCII.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
localedata/locales/pl_PL | 16 ++++++++--------
2 files changed, 16 insertions(+), 8 deletions(-)
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Subject: [Bug localedata/16777] pl_PL: incorrect thousands separator in locale
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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Subject: [Bug localedata/16777] pl_PL: incorrect thousands separator in locale
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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Subject: [Bug localedata/16777] pl_PL: incorrect thousands separator in locale
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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----------------------------------------------------------------------------
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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----------------------------------------------------------------------------
CC| |digitalfreak@lingonborough.
| |com
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>From glibc-bugs-return-39318-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 13:43:09 2017
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Subject: [Bug localedata/16777] pl_PL: incorrect thousands separator in locale
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--- Comment #5 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Created attachment 10537
--> https://sourceware.org/bugzilla/attachment.cgi?id=10537&action=edit
0001-Use-U-202F-NARROW-NO-BREAK-SPACE-as-thousands-separa.patch
The patch I used to fix the problem.
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Subject: [Bug localedata/20484] de_DE: abbreviated weekdays should be two letters and a dot
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #6 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Mike FABIAN from comment #5)
> Overall I think the two letter abbreviations without the dots
> we have at the moment are reasonably good.
>
> I would like to change this only if somebody comes up
> with really better references why a change is needed.
Closing as WORKSFORME.
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>From glibc-bugs-return-39320-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:51:51 2017
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Subject: [Bug nptl/14485] File corruption race condition in robust mutex unlocking
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>From glibc-bugs-return-39326-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:52:38 2017
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Subject: [Bug nptl/19089] Robust mutexes do not take ROBUST_LIST_LIMIT into account
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>From glibc-bugs-return-39324-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:52:26 2017
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Subject: [Bug nptl/14485] File corruption race condition in robust mutex unlocking
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>From glibc-bugs-return-39322-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:52:13 2017
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Subject: [Bug nptl/14485] File corruption race condition in robust mutex unlocking
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>From glibc-bugs-return-39327-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:52:39 2017
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Subject: [Bug nptl/14485] File corruption race condition in robust mutex unlocking
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>From glibc-bugs-return-39323-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:52:13 2017
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Subject: [Bug nptl/20985] robust mutexes: lowlevelrobustlock assembly on x86 blocks on wrong condition
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>From glibc-bugs-return-39325-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:52:27 2017
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Subject: [Bug nptl/19402] Deadlock with robust shared mutex and asynchronous termination
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>From glibc-bugs-return-39328-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:53:12 2017
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Subject: [Bug nptl/14485] File corruption race condition in robust mutex unlocking
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>From glibc-bugs-return-39331-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:53:46 2017
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>From glibc-bugs-return-39329-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:53:12 2017
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Subject: [Bug nptl/21083] robust timed lock may leave other waiters no chance to wake up
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| |illa/show_bug.cgi?id=14485
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>From glibc-bugs-return-39332-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:53:47 2017
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Subject: [Bug nptl/17463] mutexes owned by a terminated thread are supposed to be owned by an imaginary thread
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| |illa/show_bug.cgi?id=14485
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>From glibc-bugs-return-39330-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 18 15:53:27 2017
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Subject: [Bug nptl/14485] File corruption race condition in robust mutex unlocking
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>From glibc-bugs-return-39333-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 19 09:31:53 2017
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/13994] mjw_IN: new locale
Date: Thu, 19 Oct 2017 09:31:00 -0000
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--- Comment #10 from Mike FABIAN <maiku.fabian at gmail dot com> ---
What is the name of the country “India” in Karbi language?
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>From glibc-bugs-return-39334-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 19 09:34:33 2017
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Subject: [Bug localedata/13994] mjw_IN: new locale
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--- Comment #11 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Are you sure about the 3;2 grouping for numbers?:
LC_NUMERIC
decimal_point "."
thousands_sep ","
grouping 3;2
END LC_NUMERIC
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>From glibc-bugs-return-39336-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 19 09:51:42 2017
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commit 05155f0772a4befcc10da16ab64060ae7836ff7c
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Oct 19 10:44:31 2017 +0200
nss_files: Avoid large buffers with many host addresses [BZ #22078]
The previous implementation had at least a quadratic space
requirement in the number of host addresses and aliases.
(cherry picked from commit d8425e116cdd954fea0c04c0f406179b5daebbb3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=13728f56f0cdfff536fe6673eae6881a3483a6a2
commit 13728f56f0cdfff536fe6673eae6881a3483a6a2
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Oct 11 07:01:34 2017 +0200
nss_files: Use struct scratch_buffer for gethostbyname [BZ #18023]
(cherry picked from commit 78e806fd8cd8c918d3bbe1bcdf9091ab365e4a69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5ebb81e29243ff286bd46dea62fab46a40dfd6c3
commit 5ebb81e29243ff286bd46dea62fab46a40dfd6c3
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Oct 10 11:50:41 2017 +0200
nss_files: Refactor gethostbyname3 multi case into separate function
This is in preparation of further cleanup work.
(cherry picked from commit 8ed70de2faceb4bd7b35bbdc2b7e8c83d9a297ba)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 22 +++
NEWS | 1 +
nss/Makefile | 2 +
nss/nss_files/files-hosts.c | 400 +++++++++++++++++++++------------------
nss/tst-nss-files-hosts-multi.c | 331 ++++++++++++++++++++++++++++++++
5 files changed, 568 insertions(+), 188 deletions(-)
create mode 100644 nss/tst-nss-files-hosts-multi.c
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>From glibc-bugs-return-39335-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 19 09:51:42 2017
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Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Oct 19 10:44:31 2017 +0200
nss_files: Avoid large buffers with many host addresses [BZ #22078]
The previous implementation had at least a quadratic space
requirement in the number of host addresses and aliases.
(cherry picked from commit d8425e116cdd954fea0c04c0f406179b5daebbb3)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=13728f56f0cdfff536fe6673eae6881a3483a6a2
commit 13728f56f0cdfff536fe6673eae6881a3483a6a2
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Oct 11 07:01:34 2017 +0200
nss_files: Use struct scratch_buffer for gethostbyname [BZ #18023]
(cherry picked from commit 78e806fd8cd8c918d3bbe1bcdf9091ab365e4a69)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5ebb81e29243ff286bd46dea62fab46a40dfd6c3
commit 5ebb81e29243ff286bd46dea62fab46a40dfd6c3
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Oct 10 11:50:41 2017 +0200
nss_files: Refactor gethostbyname3 multi case into separate function
This is in preparation of further cleanup work.
(cherry picked from commit 8ed70de2faceb4bd7b35bbdc2b7e8c83d9a297ba)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 22 +++
NEWS | 1 +
nss/Makefile | 2 +
nss/nss_files/files-hosts.c | 400 +++++++++++++++++++++------------------
nss/tst-nss-files-hosts-multi.c | 331 ++++++++++++++++++++++++++++++++
5 files changed, 568 insertions(+), 188 deletions(-)
create mode 100644 nss/tst-nss-files-hosts-multi.c
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>From glibc-bugs-return-39337-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 19 09:54:50 2017
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--- Comment #12 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Created attachment 10540
--> https://sourceware.org/bugzilla/attachment.cgi?id=10540&action=edit
mjw_IN
I am working on including your new locale into glibc.
The attached file is what I currently have, starting from
your file and editing it a bit. The changes to your original are:
--- mjw_IN.orig 2017-10-18 18:48:18.440680567 +0200
+++ mjw_IN 2017-10-19 11:04:28.175829218 +0200
@@ -1,21 +1,22 @@
-comment_char %
-escape_char /
+comment_char %
+escape_char /
-% Karbi Language Locale for India
-% Language: mjw
-% Territory: IN
-% Revision: 1.1
-% Date: 2013-08-08
-% Application: general
-% Users: general
+% This file is part of the GNU C Library and contains locale data.
+% The Free Software Foundation does not claim any copyright interest
+% in the locale data contained in this file. The foregoing does not
+% affect the license of the GNU C Library as a whole. It does not
+% exempt you from the conditions of the license if your use would
+% otherwise be governed by that license.
+% Karbi Language Locale for India.
+% Contributed by Jor Teron <jor.teron@gmail.com>.
LC_IDENTIFICATION
title "Karbi language locale for India"
source "Jor Teron"
address ""
contact ""
-email ""
+email "bug-glibc-locales@gnu.org"
tel ""
fax ""
language "Karbi"
@@ -23,20 +24,19 @@
revision "1.1"
date "2013-08-08"
-category "mjw:2000";LC_IDENTIFICATION
-category "mjw:2000";LC_CTYPE
-category "mjw:2000";LC_COLLATE
-category "mjw:2000";LC_TIME
-category "mjw:2000";LC_NUMERIC
-category "mjw:2000";LC_MONETARY
-category "mjw:2000";LC_MESSAGES
-category "mjw:2000";LC_PAPER
-category "mjw:2000";LC_NAME
-category "mjw:2000";LC_ADDRESS
-category "mjw:2000";LC_TELEPHONE
+category "i18n:2012";LC_IDENTIFICATION
+category "i18n:2012";LC_CTYPE
+category "i18n:2012";LC_COLLATE
+category "i18n:2012";LC_TIME
+category "i18n:2012";LC_NUMERIC
+category "i18n:2012";LC_MONETARY
+category "i18n:2012";LC_MESSAGES
+category "i18n:2012";LC_PAPER
+category "i18n:2012";LC_NAME
+category "i18n:2012";LC_ADDRESS
+category "i18n:2012";LC_TELEPHONE
END LC_IDENTIFICATION
-
LC_COLLATE
% Copy the template from ISO/IEC 14651
copy "iso14651_t1"
@@ -51,94 +51,58 @@
END LC_MONETARY
LC_NUMERIC
-decimal_point "<U002E>"
-thousands_sep "<U002C>"
+decimal_point "."
+thousands_sep ","
grouping 3;2
END LC_NUMERIC
LC_MESSAGES
-% ^[yY]
-yesexpr "<U005E><U005B><U0079><U0059><U005D>"
-
-% ^[nN]
-noexpr "<U005E><U005B><U006E><U004E><U005D>"
+yesexpr "^[+1yY]"
+noexpr "^[-0nN]"
% There are no exact or fixed words for 'Yes' and 'No'.
-% The closest words are 'Chok', 'Chokche' and 'Kalang', 'Kali' respectively.
They both are also translate as 'True', 'False' respectively.
+% The closest words are 'Chok', 'Chokche' and 'Kalang', 'Kali' respectively.
+% They both are also translate as 'True', 'False' respectively.
% 'Kali' is also interpreted as 'Not'.
% 'Chok' is also interpreted as 'Correct' and 'Ok'.
% 'Chokche' is interpreted as 'Incorrect' and 'Not Ok'.
-% While 'Ahok' is the word for 'True', there is no word for 'False' and is
compensated with 'Ahok Kali', which translate to 'Not True'.
-% In these situation 'Yes' and 'No' will be the correct string.
-
-% Yes
-yesstr "<U0059><U0065><U0073>"
+% While 'Ahok' is the word for 'True', there is no word for
+% 'False' and is compensated with 'Ahok Kali', which translate to 'Not True'.
+% In these situation 'yes' and 'no' will be the correct string.
-% No
-nostr "<U004E><U006F>"
+yesstr "yes"
+nostr "no"
END LC_MESSAGES
LC_TIME
-% Bhom, Ur, Dur, Thel, Them, Bhta, Bhti
-abday "<U0042><U0068><U006F><U006D>";"<U0055><U0072>";/
- "<U0044><U0075><U0072>";"<U0054><U006B><U0065><U006C>";/
- "<U0054><U006B><U0065><U006D>";"<U0042><U0068><U0074><U0061>";/
- "<U0042><U0068><U0074><U0069>"
-
-% Bhomkuru, Urmi, Durmi, Thelang, Theman, Bhomta, Bhomti
-day "<U0042><U0068><U006F><U006D><U006B><U0075><U0072><U0075>";/
- "<U0055><U0072><U006D><U0069>";/
- "<U0044><U0075><U0072><U006D><U0069>";/
- "<U0054><U006B><U0065><U006C><U0061><U006E><U00>";/
- "<U0054><U006B><U0065><U006D><U0061><U006E>";/
- "<U0042><U0068><U006F><U006D><U0074><U0061>";/
- "<U0042><U0068><U006F><U006D><U0074><U0069>"
-
-% Ark, Thang, The, Jang, Aru, Vos, Jak, Pai, Chi, Phe, Phai, Mati
-abmon "<U0041><U0072><U006B";"<U0054><U0068><U0061><U006E><U0067>";/
- "<U0054><U0068><U0065>";"<U004A><U0061><U006E><U0067>";/
- "<U0041><U0072><U0075>";"<U0056><U006F><U0073>";/
- "<U004A><U0061><U006B>";"<U0050><U0061><U0069>";/
- "<U0043><U0068><U0069>";"<U0050><U0068><U0065>";/
- "<U0050><U0068><U0061><U0069>";"<U004D><U0061><U0074><U0069>"
-
-% Arkoi, Thangthang, There, Jangmi, Aru, Vosik, Jakhong, Paipai, Chiti, Phere,
Phaikuni, Matijong
-mon "<U0041><U0072><U006B><U006F><U0069>";/
-
"<U0054><U0068><U0061><U006E><U0067><U0074><U0068><U0061><U006E><U0067>";/
- "<U0054><U0068><U0065><U0072><U0065>";/
- "<U004A><U0061><U006E><U0067><U006D><U0069>";/
- "<U0041><U0072><U0075>";/
- "<U0056><U006F><U0073><U0069><U006B>";/
- "<U004A><U0061><U006B><U0068><U006F><U006E><U0067>";/
- "<U0050><U0061><U0069><U0070><U0061><U0069>";/
- "<U0043><U0068><U0069><U0074><U0069>";/
- "<U0050><U0068><U0065><U0072><U0065>";/
- "<U0050><U0068><U0061><U0069><U006B><U0075><U006E><U0069";/
- "<U004D><U0061><U0074><U0069><U006A><U006F><U006E><U0067>"
+abday "Bhom";"Ur";"Dur";"Tkel";"Tkem";"Bhta";"Bhti"
+day "Bhomkuru";"Urmi";"Durmi";"Thelang";"Theman";"Bhomta";"Bhomti"
+abmon "Ark";"Thang";"The";"Jang";"Aru";"Vos";/
+ "Jak";"Pai";"Chi";"Phe";"Phai";"Mati"
+mon "Arkoi";"Thangthang";"There";"Jangmi";"Aru";"Vosik";/
+ "Jakhong";"Paipai";"Chiti";"Phere";"Phaikuni";"Matijong"
% Equivalent of AM PM
-am_pm "<U0041><U004D>";"<U0050><U004D>"
+am_pm "AM";"PM"
% Appropriate date and time representation
-% %A %d %B %Y %I:%M:%S %Z
-d_t_fmt
"<U0025><U0041><U0020><U0025><U0064><U0020><U0025><U0042><U0020><U0025><U0059><U0020><U0025><U0049><U003A><U0025><U004D><U003A><U0025><U0053><U0020><U0025><U0070><U0020><U0025><U005A>"
+d_t_fmt "%A %d %B %Y %I:%M:%S %p %Z"
% Appropriate date representation
-% %A %d %B %Y
-d_fmt
"<U0025><U0041><U0020><U0025><U0064><U0020><U0025><U0042><U0020><U0025><U0059>"
+d_fmt "%A %d %B %Y"
% Appropriate time representation
-% %I:%M:%S %Z
-t_fmt
"<U0025><U0049><U003A><U0025><U004D><U003A><U0025><U0053><U0020><U0020><U0025><U005A>"
+t_fmt "%I:%M:%S %Z"
% Appropriate 12 h time representation (%r)
-t_fmt_ampm
"<U0025><U0049><U003A><U0025><U004D><U003A><U0025><U0053><U0020><U0025><U0070><U0020><U0025><U005A>"
+t_fmt_ampm "%I:%M:%S %p %Z"
+week 7;19971130;1
first_weekday 1
END LC_TIME
LC_PAPER
-copy "hi_IN"
+copy "i18n"
END LC_PAPER
LC_TELEPHONE
@@ -146,14 +110,11 @@
END LC_TELEPHONE
LC_MEASUREMENT
-copy "hi_IN"
+copy "i18n"
END LC_MEASUREMENT
LC_NAME
% Format for addressing a person.
-name_fmt "<U0025><U0064><U0025><U0074><U0025><U0067><U0025><U0074>/
-<U0025><U006D><U0025><U0074><U0025><U0066>"
-% "%d%t%g%t%m%t%f"
% "Salutation",
% "Empty string, or <Space>",
% "First given name",
@@ -161,26 +122,35 @@
% "Middle names",
% "Empty string, or <Space>",
% "Clan names"
+name_fmt "%d%t%g%t%m%t%f"
% General salutation for any sex - ""
name_gen ""
% Salutation for unmarried females - "Sami"
-name_miss "<U0053><U0061><U006D><U0069>"
+name_miss "Sami"
% FIXME: Salutation for unmarried males - "Thare"
-% name_mr "<U0054><U0068><U0061><U0072><U0065>"
+% name_mr "Thare"
% FIXME: Salutation for married males - "Sangho"
-% name_mr "<U0053><U0061><U006E><U0067><U0068><U006F>"
+% name_mr "Sangho"
% Salutation for married females - "Sangpi"
-name_mrs "<U0053><U0061><U006E><U0067><U0070><U0069>"
+name_mrs "Sangpi"
% Salutation valid for all females - "" (no term)
name_ms ""
END LC_NAME
LC_ADDRESS
-copy "en_IN"
+postal_fmt "%z%c%T%s%b%e%r"
+country_name "India"
+country_ab2 "IN"
+country_ab3 "IND"
+country_num 356
+country_car "IND"
+lang_name "Karbi"
+lang_term "mjw"
+lang_lib "mjw"
END LC_ADDRESS
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Subject: [Bug localedata/13994] mjw_IN: new locale
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--- Comment #13 from Jor Teron <jor.teron at gmail dot com> ---
Name of India in Karbi language is "Bhorot".
On 19-Oct-2017 3:01 PM, "maiku.fabian at gmail dot com" <
sourceware-bugzilla@sourceware.org> wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=13994
>
> --- Comment #10 from Mike FABIAN <maiku.fabian at gmail dot com> ---
>
> What is the name of the country “India” in Karbi language?
>
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Subject: [Bug localedata/13994] mjw_IN: new locale
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--- Comment #14 from Jor Teron <jor.teron at gmail dot com> ---
The decimal grouping is 3;2 .
On 19-Oct-2017 3:04 PM, "maiku.fabian at gmail dot com" <
sourceware-bugzilla@sourceware.org> wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=13994
>
> --- Comment #11 from Mike FABIAN <maiku.fabian at gmail dot com> ---
> Are you sure about the 3;2 grouping for numbers?:
>
> LC_NUMERIC
> decimal_point "."
> thousands_sep ","
> grouping 3;2
> END LC_NUMERIC
>
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Subject: [Bug localedata/13994] mjw_IN: new locale
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--- Comment #15 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Jor Teron from comment #14)
> Created attachment 10542 [details]
> attachment-69648-0.html
>
> The decimal grouping is 3;2 .
So this is OK?:
[root@taka /]# LC_ALL=mjw_IN.UTF-8 /usr/bin/printf "%'.2f\n" 5000000.5
50,00,000.50
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Subject: [Bug localedata/13994] mjw_IN: new locale
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--- Comment #16 from Jor Teron <jor.teron at gmail dot com> ---
Yes. It is Ok.
On 19-Oct-2017 7:29 PM, "maiku.fabian at gmail dot com" <
sourceware-bugzilla@sourceware.org> wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=13994
>
> --- Comment #15 from Mike FABIAN <maiku.fabian at gmail dot com> ---
> (In reply to Jor Teron from comment #14)
> > Created attachment 10542 [details]
> > attachment-69648-0.html
> >
> > The decimal grouping is 3;2 .
>
> So this is OK?:
>
> [root@taka /]# LC_ALL=mjw_IN.UTF-8 /usr/bin/printf "%'.2f\n" 5000000.5
> 50,00,000.50
>
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Subject: [Bug localedata/13994] mjw_IN: new locale
Date: Thu, 19 Oct 2017 14:12:00 -0000
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--- Comment #17 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4b0fa403ab14d046e1b13de397016cef1c06acae
commit 4b0fa403ab14d046e1b13de397016cef1c06acae
Author: Mike FABIAN <mfabian@redhat.com>
Date: Thu Oct 19 15:15:01 2017 +0200
Add new locale mjw_IN [BZ #13994]
[BZ #13994]
* locale/iso-639.def: Add Karbi.
* localedata/SUPPORTED: Add mjw_IN/UTF-8.
* localedata/locales/mjw_IN: New file.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 ++
locale/iso-639.def | 1 +
localedata/SUPPORTED | 1 +
localedata/locales/mjw_IN | 156 +++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 165 insertions(+), 0 deletions(-)
create mode 100644 localedata/locales/mjw_IN
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>From glibc-bugs-return-39343-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 19 14:13:24 2017
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Subject: [Bug localedata/13994] mjw_IN: new locale
Date: Thu, 19 Oct 2017 14:13:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #18 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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>From glibc-bugs-return-39344-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 19 14:37:02 2017
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From: "tim.ruehsen at gmx dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/22320] New: Heap buffer overflow in glob
Date: Thu, 19 Oct 2017 14:37:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22320
Bug ID: 22320
Summary: Heap buffer overflow in glob
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: glob
Assignee: unassigned at sourceware dot org
Reporter: tim.ruehsen at gmx dot de
Target Milestone: ---
Sorry, couldn't find any glibc security policy...
Gnulib's glob(), which is a copy of glibc's glob() seems to have a buffer
overflow. Clangs' address sanitizer reports a WRITE overflow, gcc's reports a
READ overflow when using the same sanitizer options.
Here is a patch and some comments from Bruno Haible (gnulib maintainer), who
tracked it down:
This patch fixes both problems.
diff --git a/lib/glob.c b/lib/glob.c
index 33030ec..6753043 100644
--- a/lib/glob.c
+++ b/lib/glob.c
@@ -764,7 +764,7 @@ glob (const char *pattern, int flags, int (*errfunc) (const
char *, int),
*p = '\0';
}
else
- *((char *) mempcpy (newp, dirname + 1, end_name - dirname))
+ *((char *) mempcpy (newp, dirname + 1, end_name - dirname -
1))
= '\0';
user_name = newp;
}
The bug also exists in glibc, at least since 2005-12-14. Interestingly, this
mempcpy call was originally
# ifdef HAVE_MEMPCPY
*((char *) mempcpy (newp, dirname + 1, end_name - dirname))
= '\0';
# else
memcpy (newp, dirname + 1, end_name - dirname);
newp[end_name - dirname - 1] = '\0';
# endif
and the code in the #else branch was correct.
I have a reproducer C code plus a data file, let me know if you are interested
(the 'Add an Attachment' just allows one file).
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>From glibc-bugs-return-39345-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 19 15:22:52 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22321] New: sysconf(_SC_IOV_MAX) returns -1 on Linux
Date: Thu, 19 Oct 2017 15:22:00 -0000
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Bug ID: 22321
Summary: sysconf(_SC_IOV_MAX) returns -1 on Linux
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com, zackw at panix dot com
Target Milestone: ---
Flags: security-
But the kernel defines
#define UIO_MAXIOV 1024
in include/uapi/linux/uio.h, and uses that definition.
Reported first here:
https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/KURGEUYR4HLV43WHGZV236SYTJUW7YRU/
Introduced by:
commit 37f802f86400684c8d13403958b2c598721d6360
Author: Zack Weinberg <zackw@panix.com>
Date: Wed Mar 22 10:55:38 2017 -0400
Remove __need_IOV_MAX and __need_FOPEN_MAX.
It looks like the fix is to include <sys/uio.h> in sysdeps/posix/sysconf.c;
previously UIO_MAXIOV was supplied (indirectly) through <bits/stdio_lim.h>.
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Subject: [Bug libc/22321] sysconf(_SC_IOV_MAX) returns -1 on Linux
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1504165
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Subject: [Bug dynamic-link/22299] Problem with $PLATFORM on x86_64 platform
Date: Thu, 19 Oct 2017 15:30:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 4d916f0f12b230f49967797f98b2b613c734a047 (commit)
from 4b0fa403ab14d046e1b13de397016cef1c06acae (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4d916f0f12b230f49967797f98b2b613c734a047
commit 4d916f0f12b230f49967797f98b2b613c734a047
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Oct 19 08:28:09 2017 -0700
x86-64: Don't set GLRO(dl_platform) to NULL [BZ #22299]
Since ld.so expands $PLATFORM with GLRO(dl_platform), don't set
GLRO(dl_platform) to NULL.
[BZ #22299]
* sysdeps/x86/cpu-features.c (init_cpu_features): Don't set
GLRO(dl_platform) to NULL.
* sysdeps/x86_64/Makefile (tests): Add tst-platform-1.
(modules-names): Add tst-platformmod-1 and
x86_64/tst-platformmod-2.
(CFLAGS-tst-platform-1.c): New.
(CFLAGS-tst-platformmod-1.c): Likewise.
(CFLAGS-tst-platformmod-2.c): Likewise.
(LDFLAGS-tst-platformmod-2.so): Likewise.
($(objpfx)tst-platform-1): Likewise.
($(objpfx)tst-platform-1.out): Likewise.
(tst-platform-1-ENV): Likewise.
($(objpfx)x86_64/tst-platformmod-2.os): Likewise.
* sysdeps/x86_64/tst-platform-1.c: New file.
* sysdeps/x86_64/tst-platformmod-1.c: Likewise.
* sysdeps/x86_64/tst-platformmod-2.c: Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 21 +++++++++++++++++++++
sysdeps/x86/cpu-features.c | 12 ++++++++----
sysdeps/x86_64/Makefile | 20 ++++++++++++++++++++
sysdeps/x86_64/tst-platform-1.c | 29 +++++++++++++++++++++++++++++
sysdeps/x86_64/tst-platformmod-1.c | 23 +++++++++++++++++++++++
sysdeps/x86_64/tst-platformmod-2.c | 23 +++++++++++++++++++++++
6 files changed, 124 insertions(+), 4 deletions(-)
create mode 100644 sysdeps/x86_64/tst-platform-1.c
create mode 100644 sysdeps/x86_64/tst-platformmod-1.c
create mode 100644 sysdeps/x86_64/tst-platformmod-2.c
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>From glibc-bugs-return-39348-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 19 15:36:32 2017
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/22320] Heap buffer overflow in glob
Date: Thu, 19 Oct 2017 15:36:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
http://repo.or.cz/glibc/history.git/commitdiff/6990df9394
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Subject: [Bug dynamic-link/22299] Problem with $PLATFORM on x86_64 platform
Date: Thu, 19 Oct 2017 15:44:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22299
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.27.
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Subject: [Bug libc/21666] .symver is used on common symbol
Date: Thu, 19 Oct 2017 15:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21666
--- Comment #15 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc566388d68eb631a6ff0408d57a78d0a2781025
commit bc566388d68eb631a6ff0408d57a78d0a2781025
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Oct 19 08:42:59 2017 -0700
Avoid .symver on common symbols [BZ #21666]
The .symver directive on common symbol just creates a new common symbol,
not an alias and the newer assembler with the bug fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21661
will issue an error. Before the fix, we got
$ readelf -sW libc.so | grep "loc[12s]"
5109: 00000000003a0608 8 OBJECT LOCAL DEFAULT 36 loc1
5188: 00000000003a0610 8 OBJECT LOCAL DEFAULT 36 loc2
5455: 00000000003a0618 8 OBJECT LOCAL DEFAULT 36 locs
6575: 00000000003a05f0 8 OBJECT GLOBAL DEFAULT 36 locs@GLIBC_2.2.5
7156: 00000000003a05f8 8 OBJECT GLOBAL DEFAULT 36 loc1@GLIBC_2.2.5
7312: 00000000003a0600 8 OBJECT GLOBAL DEFAULT 36 loc2@GLIBC_2.2.5
in libc.so. The versioned loc1, loc2 and locs have the wrong addresses.
After the fix, we got
$ readelf -sW libc.so | grep "loc[12s]"
6570: 000000000039e3b8 8 OBJECT GLOBAL DEFAULT 34 locs@GLIBC_2.2.5
7151: 000000000039e3c8 8 OBJECT GLOBAL DEFAULT 34 loc1@GLIBC_2.2.5
7307: 000000000039e3c0 8 OBJECT GLOBAL DEFAULT 34 loc2@GLIBC_2.2.5
[BZ #21666]
* misc/regexp.c (loc1): Add __attribute__ ((nocommon));
(loc2): Likewise.
(locs): Likewise.
(cherry picked from commit 388b4f1a02f3a801965028bbfcd48d905638b797)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4401ec26af6b6fd0b2c1f2bd2f54ee41479cf3f9
commit 4401ec26af6b6fd0b2c1f2bd2f54ee41479cf3f9
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Oct 19 08:40:39 2017 -0700
X86-64: Correct CFA in _dl_runtime_resolve
When stack is re-aligned in _dl_runtime_resolve, there is no need to
adjust CFA when allocating register save area on stack.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve): Don't
adjust CFA when allocating register save area on re-aligned
stack.
(cherry picked from commit 0ac8ee53e8efbfd6e1c37094b4653f5c2dad65b5)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 +++++++++++++
misc/regexp.c | 9 +++++----
sysdeps/x86_64/dl-trampoline.h | 2 ++
3 files changed, 20 insertions(+), 4 deletions(-)
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22322] New: [mips64] wrong bits/long-double.h installed
Date: Thu, 19 Oct 2017 17:04:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22322
Bug ID: 22322
Summary: [mips64] wrong bits/long-double.h installed
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: jsm28 at gcc dot gnu.org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Host: mips*-*-*
Similar to bug 21987 for SPARC, MIPS64 wrongly installs the ldbl-128 version of
bits/long-double.h, meaning incorrect results when using headers installed from
a 64-bit installation for a 32-bit build. (I haven't actually seen this cause
build failures before its interaction with bits/floatn.h did so.)
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Subject: [Bug libc/22322] [mips64] wrong bits/long-double.h installed
Date: Thu, 19 Oct 2017 17:33:00 -0000
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37bb78cb8c1fb6b5813407c8856b1557359e6343
commit 37bb78cb8c1fb6b5813407c8856b1557359e6343
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Oct 19 17:32:20 2017 +0000
Install correct bits/long-double.h for MIPS64 (bug 22322).
Similar to bug 21987 for SPARC, MIPS64 wrongly installs the ldbl-128
version of bits/long-double.h, meaning incorrect results when using
headers installed from a 64-bit installation for a 32-bit build. (I
haven't actually seen this cause build failures before its interaction
with bits/floatn.h did so - installed headers wrongly expecting
_Float128 to be available in a 32-bit configuration.)
This patch fixes the bug by moving the MIPS header to
sysdeps/mips/ieee754, which comes before sysdeps/ieee754/ldbl-128 in
the sysdeps directory ordering. (bits/floatn.h will need a similar
fix - duplicating the ldbl-128 version for MIPS will suffice - for
headers from a 32-bit installation to be correct for 64-bit builds.)
Tested with build-many-glibcs.py (compilers build for
mips64-linux-gnu, where there was previously a libstdc++ build failure
as at
<https://sourceware.org/ml/libc-testresults/2017-q4/msg00130.html>).
[BZ #22322]
* sysdeps/mips/bits/long-double.h: Move to ....
* sysdeps/mips/ieee754/bits/long-double.h: ... here.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/mips/{ => ieee754}/bits/long-double.h | 0
2 files changed, 6 insertions(+), 0 deletions(-)
rename sysdeps/mips/{ => ieee754}/bits/long-double.h (100%)
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Subject: [Bug math/21987] [sparc32] wrong bits/long-double.h installed
Date: Thu, 19 Oct 2017 17:33:00 -0000
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--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37bb78cb8c1fb6b5813407c8856b1557359e6343
commit 37bb78cb8c1fb6b5813407c8856b1557359e6343
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Oct 19 17:32:20 2017 +0000
Install correct bits/long-double.h for MIPS64 (bug 22322).
Similar to bug 21987 for SPARC, MIPS64 wrongly installs the ldbl-128
version of bits/long-double.h, meaning incorrect results when using
headers installed from a 64-bit installation for a 32-bit build. (I
haven't actually seen this cause build failures before its interaction
with bits/floatn.h did so - installed headers wrongly expecting
_Float128 to be available in a 32-bit configuration.)
This patch fixes the bug by moving the MIPS header to
sysdeps/mips/ieee754, which comes before sysdeps/ieee754/ldbl-128 in
the sysdeps directory ordering. (bits/floatn.h will need a similar
fix - duplicating the ldbl-128 version for MIPS will suffice - for
headers from a 32-bit installation to be correct for 64-bit builds.)
Tested with build-many-glibcs.py (compilers build for
mips64-linux-gnu, where there was previously a libstdc++ build failure
as at
<https://sourceware.org/ml/libc-testresults/2017-q4/msg00130.html>).
[BZ #22322]
* sysdeps/mips/bits/long-double.h: Move to ....
* sysdeps/mips/ieee754/bits/long-double.h: ... here.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/mips/{ => ieee754}/bits/long-double.h | 0
2 files changed, 6 insertions(+), 0 deletions(-)
rename sysdeps/mips/{ => ieee754}/bits/long-double.h (100%)
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Subject: [Bug libc/22322] [mips64] wrong bits/long-double.h installed
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https://sourceware.org/bugzilla/show_bug.cgi?id=22322
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.27.
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Subject: [Bug libc/22321] sysconf(_SC_IOV_MAX) returns -1 on Linux
Date: Thu, 19 Oct 2017 17:45:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
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Subject: [Bug malloc/21120] glibc malloc is incompatible with GCC 7 (needs 16 byte alignment)
Date: Thu, 19 Oct 2017 18:07:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|glibc malloc is |glibc malloc is
|incompatible with GCC 7 |incompatible with GCC 7
| |(needs 16 byte alignment)
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>From glibc-bugs-return-39357-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 19 18:14:01 2017
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Subject: [Bug nss/12459] [RFE] glibc could have a nss_init call that's like res_init but for nsswitch.conf
Date: Thu, 19 Oct 2017 18:14:00 -0000
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--- Comment #2 from Ray Strode [halfline] <rstrode at redhat dot com> ---
so i believe the stub resolver doesn't require res_init anymore to get changes
in /etc/resolv.conf, so I'd like to to update this report to request that
changes in /etc/nsswitch.conf get updated immediately too :-)
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Subject: [Bug nss/22041] NSS persistently caches transient dlopen errors
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |12459
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=12459
[Bug 12459] [RFE] glibc could have a nss_init call that's like res_init but for
nsswitch.conf
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Subject: [Bug nss/12459] [RFE] glibc could have a nss_init call that's like res_init but for nsswitch.conf
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What |Removed |Added
----------------------------------------------------------------------------
Depends on| |22041
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=22041
[Bug 22041] NSS persistently caches transient dlopen errors
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Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Thu, 19 Oct 2017 19:09:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
--- Comment #13 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at 5604b6622844968ea9a9f6f229eac852b3c21662 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5604b6622844968ea9a9f6f229eac852b3c21662
commit 5604b6622844968ea9a9f6f229eac852b3c21662
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=936d3eb5e6c68e5c7a3513f503d62bfb739ee961
commit 936d3eb5e6c68e5c7a3513f503d62bfb739ee961
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=455873e055731137522786330c9d3f07d77b0360
commit 455873e055731137522786330c9d3f07d77b0360
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=122fb81b591154163443332cb7a47bb1b255a8a1
commit 122fb81b591154163443332cb7a47bb1b255a8a1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:52 2017 -0700
m68k: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/m68k/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0f1b549c8286f352464640e7c50d8cb8a0f1608e
commit 0f1b549c8286f352464640e7c50d8cb8a0f1608e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=617ffed24038aab4732e4ed2226940aadae9c796
commit 617ffed24038aab4732e4ed2226940aadae9c796
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4725827d1da9ea780a92b8f9b4b6032b4487d02c
commit 4725827d1da9ea780a92b8f9b4b6032b4487d02c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bf00010c165ab86e0f8f261a48651bb7c1a39dbf
commit bf00010c165ab86e0f8f261a48651bb7c1a39dbf
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=021b64f7d1789d95f271c02e02cd4ebf7f999344
commit 021b64f7d1789d95f271c02e02cd4ebf7f999344
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:46:26 2017 -0700
m68k: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=767b6fecf193b2ba15acca235d03994c765999f5
commit 767b6fecf193b2ba15acca235d03994c765999f5
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
crt1.o, which is used to create dynamic and non-PIE static executables,
is updated to include a dummy _dl_relocate_static_pie. Pcrt1.o is added
to create static PIE, which will link in the real _dl_relocate_static_pie.
gPcrt1.o is also added to create static PIE with -pg.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, m68k, s390 and sh.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `P' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add P$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)P$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
-----------------------------------------------------------------------
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To: glibc-bugs@sourceware.org
Subject: [Bug glob/22320] Heap buffer overflow in glob
Date: Thu, 19 Oct 2017 19:46:00 -0000
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Paul Eggert <eggert at gnu dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |eggert at gnu dot org
--- Comment #2 from Paul Eggert <eggert at gnu dot org> ---
Following a suggestion by Bruno Haible, I patched the gnulib copy of glob.c as
described here:
http://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=2d1bd71ec70a31b01d01b734faa66bb1ed28961f
Presumably a similar patch should be applied to the glibc copy.
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Subject: [Bug libc/22321] sysconf(_SC_IOV_MAX) returns -1 on Linux
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=63b4baa44e8d22501c433c4093aa3310f91b6aa2
commit 63b4baa44e8d22501c433c4093aa3310f91b6aa2
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 20 04:10:15 2017 +0200
sysconf: Fix missing definition of UIO_MAXIOV on Linux [BZ #22321]
After commit 37f802f86400684c8d13403958b2c598721d6360 (Remove
__need_IOV_MAX and __need_FOPEN_MAX), UIO_MAXIOV is no longer supplied
(indirectly) through <bits/stdio_lim.h>, so sysdeps/posix/sysconf.c no
longer sees the definition.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 +++++++++
sysdeps/posix/sysconf.c | 1 +
sysdeps/unix/sysv/linux/Makefile | 5 +++-
.../unix/sysv/linux/tst-sysconf-iov_max-uapi.c | 13 +++++------
.../unix/sysv/linux/tst-sysconf-iov_max.c | 21 ++++++++++++-------
5 files changed, 34 insertions(+), 16 deletions(-)
copy support/xdup2.c => sysdeps/unix/sysv/linux/tst-sysconf-iov_max-uapi.c
(78%)
copy math/test-finite-macros.c =>
sysdeps/unix/sysv/linux/tst-sysconf-iov_max.c (60%)
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Subject: [Bug libc/22321] sysconf(_SC_IOV_MAX) returns -1 on Linux
Date: Fri, 20 Oct 2017 02:32:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27. Will backport to 2.26.
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Subject: [Bug libc/22321] sysconf(_SC_IOV_MAX) returns -1 on Linux
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2e78ea7a207e49a47a3448fbbc387d606141ec9d
commit 2e78ea7a207e49a47a3448fbbc387d606141ec9d
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Oct 20 04:10:15 2017 +0200
sysconf: Fix missing definition of UIO_MAXIOV on Linux [BZ #22321]
After commit 37f802f86400684c8d13403958b2c598721d6360 (Remove
__need_IOV_MAX and __need_FOPEN_MAX), UIO_MAXIOV is no longer supplied
(indirectly) through <bits/stdio_lim.h>, so sysdeps/posix/sysconf.c no
longer sees the definition.
(cherry picked from commit 63b4baa44e8d22501c433c4093aa3310f91b6aa2)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++
NEWS | 1 +
sysdeps/posix/sysconf.c | 1 +
sysdeps/unix/sysv/linux/Makefile | 8 +++-
.../unix/sysv/linux/tst-sysconf-iov_max-uapi.c | 13 +++----
.../unix/sysv/linux/tst-sysconf-iov_max.c | 33 ++++++++-----------
6 files changed, 38 insertions(+), 28 deletions(-)
copy support/xpipe.c => sysdeps/unix/sysv/linux/tst-sysconf-iov_max-uapi.c
(78%)
copy debug/tst-ssp-1.c => sysdeps/unix/sysv/linux/tst-sysconf-iov_max.c (59%)
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Subject: [Bug glob/22320] Heap buffer overflow in glob
Date: Fri, 20 Oct 2017 02:44:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
For future reference, the process is documented here:
https://sourceware.org/glibc/wiki/Security Process
(However, reporting bugs with this severity publicly in Bugzilla is fine.)
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Subject: [Bug glob/22320] Heap buffer overflow in glob
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
Tim, would you please attach the reproducer?
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Subject: [Bug localedata/13605] shn_MM: new Shan locale
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--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
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commit 2f9314b4121b0200559693d6cfc8f61c692c2857
Author: Mike FABIAN <mfabian@redhat.com>
Date: Fri Oct 20 08:50:32 2017 +0200
Add new locale shn_MM [BZ #13605]
[BZ #13605]
* localedata/SUPPORTED: Add shn_MM/UTF-8.
* localedata/locales/shn_MM: New file.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 +
localedata/SUPPORTED | 1 +
localedata/locales/shn_MM | 292 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 299 insertions(+), 0 deletions(-)
create mode 100644 localedata/locales/shn_MM
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--- Comment #10 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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Subject: [Bug glob/22320] Heap buffer overflow in glob
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--- Comment #5 from Tim Rühsen <tim.ruehsen at gmx dot de> ---
Created attachment 10546
--> https://sourceware.org/bugzilla/attachment.cgi?id=10546&action=edit
glob reproducer for WRITE heap buffer overflow
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
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----------------------------------------------------------------------------
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Subject: [Bug glob/22320] Heap buffer overflow in glob
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
"~xxx…xxx/a/b" triggers this. Some versions of glob will use an on-stack
buffer for shorter xxx…xxx sequences.
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 08:41:00 -0000
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--- Comment #12 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Belkacem Mohammed from comment #9)
> Hello,
> Thanks for help.
>
> I can't understand much more about technical devs . I followed a link when I
> was trying to start the kab locale for openSUSE.
>
> The kab localization of openSUSE is now ongoing but, it seems that we need
> kab on glibc to release our locale.
>
> We are also working on the kab locale on CLDR (please see
> http://st.unicode.org/cldr-apps/v#/kab/). You will find all needed data.
The day and month names in your locale do not agree with what CLDR has.
You have:
mon "yennayer";/
"Furar";/
"Meɣres";/
"Ibrir";/
"Maggu";/
"Yunyu";/
"Yulyu";/
"Ɣuct";/
"Cutembir";/
"Tuber";/
"Unbir";/
"Dujenbir"
abmon "yen.";/
"fur.";/
"meɣ.";/
"ibr.";/
"mag.";/
"yun.";/
"yul.";/
"ɣuc.";/
"cut.";/
"tub.";/
"unb.";/
"duj.";/
day "Accer";/
"Arim";/
"Aram";/
"Ahad";/
"Amhad";/
"Ssem";/
"Ssed"
abday "ace.";/
"ari.";/
"ara.";/
"aha.";/
"amh.";/
"sem.";/
"sed."
Compare with:
http://unicode.org/cldr/trac/browser/trunk/common/main/kab.xml
Why are there differences? What is correct?
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
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--- Comment #13 from Mike FABIAN <maiku.fabian at gmail dot com> ---
http://unicode.org/cldr/trac/browser/trunk/common/main/kab.xml
contains:
<posix>
<messages>
<yesstr>Ih:I</yesstr>
<nostr>Uhu:U</nostr>
</messages>
</posix>
but your locale contains:
LC_MESSAGES
yesexpr "^[+1yYiI]"
noexpr "^[-0nNaA]"
END LC_MESSAGES
If CLDR is right, shouldn’t noexpr be:
noexpr "^[-0nNuU]"
Or is CLDR mistaken? Then one should fix it in CLDR ...
We should probably also add
yesstr "Ih"
nostr "Uhu"
or whatever the right words for "yes" and "no" are in Kabyle.
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 09:11:00 -0000
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--- Comment #14 from Mike FABIAN <maiku.fabian at gmail dot com> ---
int_curr_symbol should be 4 characters long and end with a space, like this:
int_curr_symbol "DZD "
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 09:12:00 -0000
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--- Comment #15 from Mike FABIAN <maiku.fabian at gmail dot com> ---
The ar_DZ locale contains:
first_weekday 7
first_workday 1
Is that also correct for kab_DZ, should we add it?
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 09:16:00 -0000
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--- Comment #16 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
Created attachment 10547
--> https://sourceware.org/bugzilla/attachment.cgi?id=10547&action=edit
CLDR Kabyle - Beta release (32)
CLDR Kabyle - Beta release
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 09:21:00 -0000
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--- Comment #17 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
We updated ( me and some academicians from Bejaia Univesity, and independant
authors) some data in CLDR 32 that will be released next 1st November.
Note that the same data is currently used the kab locale of VK (social
network), lighthning (Calendar on thanderbird), Evernote, Wikimedia,
OpenStreetmap,.. and more other tools we localized into kabyle
Here are the common name used for months and days and their short forms:
These names are taught at School in Algeria (Kabylia). In fact, some authors
use declination (other local forms). The forms below, are the most used.
mon "yennayer";/
"Fuṛar";/
"Meɣres";/
"Yebrir";/
"Mayyu";/
"Yunyu";/
"Yulyu";/
"Ɣuct";/
"Ctembeṛ";/
"Tubeṛ";/
"Wambeṛ";/
"Dujembeṛ"
abmon "yen.";/
"fur.";/
"meɣ.";/
"yeb.";/
"may.";/
"yun.";/
"yul.";/
"ɣuc.";/
"cte.";/
"tub.";/
"wam.";/
"duj.";/
day "Acer";/
"Arim";/
"Aram";/
"Ahad";/
"Amhad";/
"Sem";/
"Sed"
abday "ace.";/
"ari.";/
"ara.";/
"aha.";/
"amh.";/
"sem.";/
"sed."
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 09:25:00 -0000
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--- Comment #18 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
(In reply to Mike FABIAN from comment #13)
> http://unicode.org/cldr/trac/browser/trunk/common/main/kab.xml
>
> contains:
>
> <posix>
> <messages>
> <yesstr>Ih:I</yesstr>
> <nostr>Uhu:U</nostr>
> </messages>
> </posix>
>
>
> but your locale contains:
>
> LC_MESSAGES
> yesexpr "^[+1yYiI]"
> noexpr "^[-0nNaA]"
> END LC_MESSAGES
>
> If CLDR is right, shouldn’t noexpr be:
>
> noexpr "^[-0nNuU]"
>
> Or is CLDR mistaken? Then one should fix it in CLDR ...
>
>
> We should probably also add
>
> yesstr "Ih"
> nostr "Uhu"
>
> or whatever the right words for "yes" and "no" are in Kabyle.
yesstr "Ih"
nostr "Uhu"
Short form
"Y" : "I"
"N" : "U"
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 09:27:00 -0000
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--- Comment #19 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
(In reply to Mike FABIAN from comment #14)
> int_curr_symbol should be 4 characters long and end with a space, like this:
>
> int_curr_symbol "DZD "
yeah
int_curr_symbol "DZD "
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 09:31:00 -0000
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--- Comment #20 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
(In reply to Mike FABIAN from comment #15)
> The ar_DZ locale contains:
>
> first_weekday 7
> first_workday 1
>
> Is that also correct for kab_DZ, should we add it?
first_weekday 7
first_workday 1
Same as ar_DZ
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--- Comment #21 from Mike FABIAN <maiku.fabian at gmail dot com> ---
You use %p in
t_fmt_ampm "%I:%M:%S %p"
but you do not define:
%
% Strings for AM/PM
%
am_pm "AM";"PM"
What are the appropriate strings to use for AM/PM in Kabyle?
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 09:40:00 -0000
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--- Comment #22 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Belkacem Mohammed from comment #18)
> (In reply to Mike FABIAN from comment #13)
> > http://unicode.org/cldr/trac/browser/trunk/common/main/kab.xml
> >
> > contains:
> >
> > <posix>
> > <messages>
> > <yesstr>Ih:I</yesstr>
> > <nostr>Uhu:U</nostr>
> > </messages>
> > </posix>
> >
> >
> > but your locale contains:
> >
> > LC_MESSAGES
> > yesexpr "^[+1yYiI]"
> > noexpr "^[-0nNaA]"
> > END LC_MESSAGES
> >
> > If CLDR is right, shouldn’t noexpr be:
> >
> > noexpr "^[-0nNuU]"
> >
> > Or is CLDR mistaken? Then one should fix it in CLDR ...
> >
> >
> > We should probably also add
> >
> > yesstr "Ih"
> > nostr "Uhu"
> >
> > or whatever the right words for "yes" and "no" are in Kabyle.
>
>
> yesstr "Ih"
> nostr "Uhu"
>
> Short form
> "Y" : "I"
> "N" : "U"
Then we should use
noexpr "^[-0nNuU]"
(u instead of a), right?
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 09:42:00 -0000
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--- Comment #23 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
(In reply to Mike FABIAN from comment #22)
> (In reply to Belkacem Mohammed from comment #18)
> > (In reply to Mike FABIAN from comment #13)
> > > http://unicode.org/cldr/trac/browser/trunk/common/main/kab.xml
> > >
> > > contains:
> > >
> > > <posix>
> > > <messages>
> > > <yesstr>Ih:I</yesstr>
> > > <nostr>Uhu:U</nostr>
> > > </messages>
> > > </posix>
> > >
> > >
> > > but your locale contains:
> > >
> > > LC_MESSAGES
> > > yesexpr "^[+1yYiI]"
> > > noexpr "^[-0nNaA]"
> > > END LC_MESSAGES
> > >
> > > If CLDR is right, shouldn’t noexpr be:
> > >
> > > noexpr "^[-0nNuU]"
> > >
> > > Or is CLDR mistaken? Then one should fix it in CLDR ...
> > >
> > >
> > > We should probably also add
> > >
> > > yesstr "Ih"
> > > nostr "Uhu"
> > >
> > > or whatever the right words for "yes" and "no" are in Kabyle.
> >
> >
> > yesstr "Ih"
> > nostr "Uhu"
> >
> > Short form
> > "Y" : "I"
> > "N" : "U"
>
> Then we should use
>
> noexpr "^[-0nNuU]"
>
> (u instead of a), right?
yeah,
u instead of a.
______
We have to ways to say No : Uhu(U), Ala(A). Uhu(u) is the most used.
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
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--- Comment #24 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
(In reply to Mike FABIAN from comment #21)
> You use %p in
>
> t_fmt_ampm "%I:%M:%S %p"
>
> but you do not define:
>
> %
> % Strings for AM/PM
> %
> am_pm "AM";"PM"
>
> What are the appropriate strings to use for AM/PM in Kabyle?
type abbreviated:
am: ft
pm: md
___________
Type narrow
am: f
pm: m
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 09:48:00 -0000
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--- Comment #25 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Belkacem Mohammed from comment #17)
> We updated ( me and some academicians from Bejaia Univesity, and independant
> authors) some data in CLDR 32 that will be released next 1st November.
>
> Note that the same data is currently used the kab locale of VK (social
> network), lighthning (Calendar on thanderbird), Evernote, Wikimedia,
> OpenStreetmap,.. and more other tools we localized into kabyle
>
> Here are the common name used for months and days and their short forms:
>
> These names are taught at School in Algeria (Kabylia). In fact, some authors
> use declination (other local forms). The forms below, are the most used.
>
> mon "yennayer";/
Why does this start with a lower case “y”? In CLDR trunk it is “Yennayer”
with an uppercase “Y”.
> "Fuṛar";/
> "Meɣres";/
> "Yebrir";/
> "Mayyu";/
> "Yunyu";/
> "Yulyu";/
> "Ɣuct";/
> "Ctembeṛ";/
> "Tubeṛ";/
> "Wambeṛ";/
> "Dujembeṛ"
The above is the same as the "stand-alone" forms in CLDR but a little
different from the locale as attached to this bug. So it is probably
OK if I use the stuff from CLDR here.
> abmon "yen.";/
> "fur.";/
> "meɣ.";/
> "yeb.";/
> "may.";/
> "yun.";/
> "yul.";/
> "ɣuc.";/
> "cte.";/
> "tub.";/
> "wam.";/
> "duj.";/
The stand-alone forms in CLDR trunk are:
<monthContext type="stand-alone">
<monthWidth type="abbreviated">
<month type="1" draft="unconfirmed">Yen</month>
<month type="2" draft="unconfirmed">Fur</month>
<month type="3" draft="unconfirmed">Meɣ</month>
<month type="4" draft="unconfirmed">Yeb</month>
<month type="5" draft="unconfirmed">May</month>
<month type="6" draft="unconfirmed">Yun</month>
<month type="7" draft="unconfirmed">Yul</month>
<month type="8" draft="unconfirmed">Ɣuc</month>
<month type="9" draft="unconfirmed">Cte</month>
<month type="10" draft="unconfirmed">Tub</month>
<month type="11" draft="unconfirmed">Wam</month>
<month type="12" draft="unconfirmed">Duj</month>
</monthWidth>
i.e. starting with upper case letters and without the final dot.
OK to use it as in CLDR?
> day "Acer";/
> "Arim";/
> "Aram";/
> "Ahad";/
> "Amhad";/
> "Sem";/
> "Sed"
Same as in CLDR trunk.
> abday "ace.";/
> "ari.";/
> "ara.";/
> "aha.";/
> "amh.";/
> "sem.";/
> "sed."
CLDR trunk has:
<dayContext type="stand-alone">
<dayWidth type="abbreviated">
<day type="sun" draft="unconfirmed">Ace</day>
<day type="mon" draft="unconfirmed">Ari</day>
<day type="tue" draft="unconfirmed">Ara</day>
<day type="wed" draft="unconfirmed">Aha</day>
<day type="thu" draft="unconfirmed">Amh</day>
<day type="fri" draft="unconfirmed">Sem</day>
<day type="sat" draft="unconfirmed">Sed</day>
</dayWidth>
I.e. starting with an upper case letter and without
the final dot.
OK to use it as in CLDR?
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 09:51:00 -0000
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--- Comment #26 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Belkacem Mohammed from comment #23)
> > > > but your locale contains:
> > > >
> > > > LC_MESSAGES
> > > > yesexpr "^[+1yYiI]"
> > > > noexpr "^[-0nNaA]"
> > > > END LC_MESSAGES
> > > >
> > > > If CLDR is right, shouldn’t noexpr be:
> > > >
> > > > noexpr "^[-0nNuU]"
> > > >
> > > > Or is CLDR mistaken? Then one should fix it in CLDR ...
> > > >
> > > >
> > > > We should probably also add
> > > >
> > > > yesstr "Ih"
> > > > nostr "Uhu"
> > > >
> > > > or whatever the right words for "yes" and "no" are in Kabyle.
> > >
> > >
> > > yesstr "Ih"
> > > nostr "Uhu"
> > >
> > > Short form
> > > "Y" : "I"
> > > "N" : "U"
> >
> > Then we should use
> >
> > noexpr "^[-0nNuU]"
> >
> > (u instead of a), right?
>
> yeah,
>
> u instead of a.
> ______
> We have to ways to say No : Uhu(U), Ala(A). Uhu(u) is the most used.
We could also use
noexpr "^[-0nNuUaA]"
to make the letters uUaA all acceptable as "no" answers.
There is no conflict with:
yesexpr "^[+1yYiI]"
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
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--- Comment #27 from Mike FABIAN <maiku.fabian at gmail dot com> ---
In LC_ADDRESS country_name was missing, I added this
country_name "Lezzayer"
(taken from CLDR).
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From: "belkacem77 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 10:00:00 -0000
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--- Comment #28 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
(In reply to Mike FABIAN from comment #27)
> In LC_ADDRESS country_name was missing, I added this
>
> country_name "Lezzayer"
>
> (taken from CLDR).
No, the country name in Kabyle "Zzayer". I think, it's CLDR 31? We updated all
the names in CLDR 32 but it's beta release now.
<zone type="Africa/Algiers">
<exemplarCity>Zzayer</exemplarCity>
</zone>
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From: "belkacem77 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 10:05:00 -0000
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--- Comment #29 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
(In reply to Mike FABIAN from comment #27)
> In LC_ADDRESS country_name was missing, I added this
>
> country_name "Lezzayer"
>
> (taken from CLDR).
And the country name:
<territory type="DZ">Zzayer</territory>
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 10:13:00 -0000
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--- Comment #30 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Belkacem Mohammed from comment #29)
> (In reply to Mike FABIAN from comment #27)
> > In LC_ADDRESS country_name was missing, I added this
> >
> > country_name "Lezzayer"
> >
> > (taken from CLDR).
>
> And the country name:
>
> <territory type="DZ">Zzayer</territory>
http://unicode.org/cldr/trac/browser/trunk/common/main/kab.xml#L560
has
<territory type="DZ">Lezzayer</territory>
That URL points to CLDR trunk, so this is *not* CLDR 31, it is the
most recent stuff in the svn repository.
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>From glibc-bugs-return-39391-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 20 10:23:07 2017
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From: "belkacem77 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 10:23:00 -0000
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--- Comment #31 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
(In reply to Mike FABIAN from comment #27)
> In LC_ADDRESS country_name was missing, I added this
>
> country_name "Lezzayer"
>
> (taken from CLDR).
No, the country name in Kabyle "Zzayer". I think, it's CLDR 31? We updated all
the names in CLDR 32 but it's beta release now.
Algeria (country) :
<territory type="DZ">Zzayer</territory>
____________
Algiers (the city) :
<zone type="Africa/Algiers">
<exemplarCity>Zzayer</exemplarCity>
</zone>
_____________
Currency (Algerian Dinar):
<currency type="DZD">
<displayName>Adinar n Zzayer</displayName>
<displayName count="one">Adinar n Zzayer</displayName>
<displayName count="other">Idinaren n Zzayer</displayName>
<symbol>DZD</symbol>
</currency>(In reply to Mike FABIAN from comment #30)
> (In reply to Belkacem Mohammed from comment #29)
> > (In reply to Mike FABIAN from comment #27)
> > > In LC_ADDRESS country_name was missing, I added this
> > >
> > > country_name "Lezzayer"
> > >
> > > (taken from CLDR).
> >
> > And the country name:
> >
> > <territory type="DZ">Zzayer</territory>
>
> http://unicode.org/cldr/trac/browser/trunk/common/main/kab.xml#L560
>
> has
>
> <territory type="DZ">Lezzayer</territory>
>
> That URL points to CLDR trunk, so this is *not* CLDR 31, it is the
> most recent stuff in the svn repository.
We will correct it on CLDR.
The right word for the country name is : Zzayer
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Subject: [Bug glob/22325] Memory leak in glob with GLOB_TILDE
Date: Fri, 20 Oct 2017 10:40:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Already fixed in 2.27.
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Subject: [Bug glob/1062] sysdeps/generic/glob.c merge from gnulib (part 3 of 3)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=22325
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Subject: [Bug glob/22325] New: Memory leak in glob with GLOB_TILDE
Date: Fri, 20 Oct 2017 10:40:00 -0000
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Bug ID: 22325
Summary: Memory leak in glob with GLOB_TILDE
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: glob
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: 2.27
Flags: security+
This commit:
commit c66c908230169c1bab1f83b071eb585baa214b9f
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 4 14:53:38 2017 -0300
posix: Sync glob with gnulib [BZ #1062]
fixed a memory leak in glob, with GLOB_TILDE and a pattern like "~xxx…xxx\\/*"
(many x's are needed to trigger heap allocation).
This looks like a minor security vulnerability (denial of service due to heap
exhaustion).
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
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--- Comment #32 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Belkacem Mohammed from comment #31)
> (In reply to Mike FABIAN from comment #27)
> > In LC_ADDRESS country_name was missing, I added this
> >
> > country_name "Lezzayer"
> >
> > (taken from CLDR).
>
> No, the country name in Kabyle "Zzayer". I think, it's CLDR 31?
No.
> We updated
> all the names in CLDR 32 but it's beta release now.
https://www.unicode.org/repos/cldr/tags/release-32-beta/common/main/kab.xml
has:
<territory type="DZ">Lezzayer</territory>
> > > > (taken from CLDR).
> > >
> > > And the country name:
> > >
> > > <territory type="DZ">Zzayer</territory>
> >
> > http://unicode.org/cldr/trac/browser/trunk/common/main/kab.xml#L560
> >
> > has
> >
> > <territory type="DZ">Lezzayer</territory>
> >
> > That URL points to CLDR trunk, so this is *not* CLDR 31, it is the
> > most recent stuff in the svn repository.
>
> We will correct it on CLDR.
> The right word for the country name is : Zzayer
Yes, please correct it there because it seems still wrong
in the latest CLDR.
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 11:32:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18812
--- Comment #33 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Created attachment 10548
--> https://sourceware.org/bugzilla/attachment.cgi?id=10548&action=edit
kab_DZ
The kab_DZ file I have edited.
Is it OK?
If yes, I’ll commit it.
If not, tell me what is still wrong.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Fri, 20 Oct 2017 13:08:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
--- Comment #14 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at 79dd5e20eb6a5ddd4503de356f98e6a5cd7a3ccc (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=79dd5e20eb6a5ddd4503de356f98e6a5cd7a3ccc
commit 79dd5e20eb6a5ddd4503de356f98e6a5cd7a3ccc
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4ac33cf9a74b9a12e368acc65125c7e0896cf427
commit 4ac33cf9a74b9a12e368acc65125c7e0896cf427
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4006465d7049d6f52918ee1065cb19011890a997
commit 4006465d7049d6f52918ee1065cb19011890a997
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=60eb65d3213aa35aca10b896fd061d02a30e5eaa
commit 60eb65d3213aa35aca10b896fd061d02a30e5eaa
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=034cabd1d6d525ec6edc738458ecb175ed6cae9e
commit 034cabd1d6d525ec6edc738458ecb175ed6cae9e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1ca915eedd3b2628abfd45fbde30a4693ee14bb7
commit 1ca915eedd3b2628abfd45fbde30a4693ee14bb7
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=401348d7ab877b5f2f6122e72565e96d9ece0747
commit 401348d7ab877b5f2f6122e72565e96d9ece0747
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7a0b60277ee14e5ecfea590878877384b5034948
commit 7a0b60277ee14e5ecfea590878877384b5034948
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
crt1.o, which is used to create dynamic and non-PIE static executables,
is updated to include a dummy _dl_relocate_static_pie. Pcrt1.o is added
to create static PIE, which will link in the real _dl_relocate_static_pie.
gPcrt1.o is also added to create static PIE with -pg.
Static PIE can work on all architectures which support PIE, provided
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, m68k, s390 and sh.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `P' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add P$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)P$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
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From: "belkacem77 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Fri, 20 Oct 2017 14:58:00 -0000
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--- Comment #34 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
(In reply to Mike FABIAN from comment #33)
> Created attachment 10548 [details]
> kab_DZ
>
> The kab_DZ file I have edited.
>
> Is it OK?
>
> If yes, I’ll commit it.
>
> If not, tell me what is still wrong.
Right ok.
I just reviewed it. Everything is rihgt
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #36 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
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--- Comment #35 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit b6b08b8e21e8393089765b64a96953d215b3454c
Author: Mike FABIAN <mfabian@redhat.com>
Date: Fri Oct 20 17:50:40 2017 +0200
Add new locale kab_DZ [BZ #18812]
[BZ #18812]
* localedata/SUPPORTED: Add kab_DZ/UTF-8.
* localedata/locales/kab_DZ: New file.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++
localedata/SUPPORTED | 1 +
localedata/locales/kab_DZ | 168 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 175 insertions(+), 0 deletions(-)
create mode 100644 localedata/locales/kab_DZ
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Memory leak in glob with |Memory leak in glob with
|GLOB_TILDE |GLOB_TILDE (CVE-2017-15671)
Alias| |CVE-2017-15671
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What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2017-10-20
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Summary|Heap buffer overflow in |Buffer overflow in glob
|glob |with GLOB_TILDE
| |(CVE-2017-15670)
Ever confirmed|0 |1
Alias| |CVE-2017-15670
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
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--- Comment #37 from Claude Paroz <claude at 2xlibre dot net> ---
Thanks Mike \o/
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Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Oct 20 18:41:14 2017 +0200
CVE-2017-15670: glob: Fix one-byte overflow [BZ #22320]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 4 ++++
posix/glob.c | 2 +-
3 files changed, 11 insertions(+), 1 deletions(-)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
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--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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slimane.amiri at gmail dot com <slimane.amiri at gmail dot com> changed:
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Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Fri, 20 Oct 2017 18:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21265
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b52b0d793dcb226ecb0ecca1e672ca265973233c
commit b52b0d793dcb226ecb0ecca1e672ca265973233c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 20 11:00:08 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-pointer-arith.h>.
(get_common_indeces): Set xsave_state_size, xsave_state_full_size
and bit_arch_XSAVEC_Usable if needed.
(init_cpu_features): Remove bit_arch_Use_dl_runtime_resolve_slow
and bit_arch_Use_dl_runtime_resolve_opt.
* sysdeps/x86/cpu-features.h (bit_arch_Use_dl_runtime_resolve_opt):
Removed.
(bit_arch_Use_dl_runtime_resolve_slow): Likewise.
(bit_arch_Prefer_No_AVX512): Updated.
(bit_arch_MathVec_Prefer_No_AVX512): Likewise.
(bit_arch_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size and xsave_state_full_size.
(index_arch_Use_dl_runtime_resolve_opt): Removed.
(index_arch_Use_dl_runtime_resolve_slow): Likewise.
(index_arch_XSAVEC_Usable): New.
* sysdeps/x86/cpu-tunables.c (TUNABLE_CALLBACK (set_hwcaps)):
Support XSAVEC_Usable. Remove Use_dl_runtime_resolve_slow.
* sysdeps/x86_64/Makefile (tst-x86_64-1-ENV): New if tunables
is enabled.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx,
_dl_runtime_resolve_avx_slow, _dl_runtime_resolve_avx_opt,
_dl_runtime_resolve_avx512 and _dl_runtime_resolve_avx512_opt
with _dl_runtime_resolve_fxsave, _dl_runtime_resolve_xsave and
_dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S (DL_RUNTIME_UNALIGNED_VEC_SIZE):
Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_slow): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 66 +++++++++
sysdeps/x86/cpu-features-offsets.sym | 1 +
sysdeps/x86/cpu-features.c | 88 +++++++++--
sysdeps/x86/cpu-features.h | 34 ++++-
sysdeps/x86/cpu-tunables.c | 17 ++-
sysdeps/x86_64/Makefile | 4 +
sysdeps/x86_64/dl-machine.h | 38 ++----
sysdeps/x86_64/dl-trampoline.S | 87 ++++--------
sysdeps/x86_64/dl-trampoline.h | 267 ++++++++++------------------------
9 files changed, 296 insertions(+), 306 deletions(-)
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Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Fri, 20 Oct 2017 18:27:00 -0000
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commit c96d7a646b52e8d50e7ca98e0a60af5f24e4b441
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 10:46:47 2017 -0700
i386: Hide __old_glob64 [BZ #18822]
Hide internal __old_glob64 function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/i386/glob64.c (__old_glob64): Add
libc_hidden_proto and libc_hidden_def.
(cherry picked from commit 2585d7b839559e665d5723734862fbe62264b25d)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/unix/sysv/linux/i386/glob64.c | 3 +++
2 files changed, 9 insertions(+), 0 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug glob/22320] Buffer overflow in glob with GLOB_TILDE (CVE-2017-15670)
Date: Fri, 20 Oct 2017 18:27:00 -0000
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commit a76376df7c07e577a9515c3faa5dbd50bda5da07
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Oct 20 18:41:14 2017 +0200
CVE-2017-15670: glob: Fix one-byte overflow [BZ #22320]
(cherry picked from commit c369d66e5426a30e4725b100d5cd28e372754f90)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 5 +++++
posix/glob.c | 2 +-
3 files changed, 12 insertions(+), 1 deletions(-)
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Subject: [Bug glob/1062] sysdeps/generic/glob.c merge from gnulib (part 3 of 3)
Date: Fri, 20 Oct 2017 18:27:00 -0000
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commit 305f4f057dace256e99e4321e21a23267187d77f
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Oct 20 19:36:33 2017 +0200
posix: Sync glob with gnulib [BZ #1062]
This patch syncs posix/glob.c implementation with gnulib version
b5ec983 (glob: simplify symlink detection). The only difference
to gnulib code is
* DT_UNKNOWN, DT_DIR, and DT_LNK definition in the case there
were not already defined. Gnulib code which uses
HAVE_STRUCT_DIRENT_D_TYPE will redefine them wrongly because
GLIBC does not define HAVE_STRUCT_DIRENT_D_TYPE. Instead
the patch check for each definition instead.
Also, the patch requires additional globfree and globfree64 files
for compatibility version on some architectures. Also the code
simplification leads to not macro simplification (not need for
NO_GLOB_PATTERN_P anymore).
Checked on x86_64-linux-gnu and on a build using build-many-glibcs.py
for all major architectures.
[BZ #1062]
* posix/Makefile (routines): Add globfree, globfree64, and
glob_pattern_p.
* posix/flexmember.h: New file.
* posix/glob_internal.h: Likewise.
* posix/glob_pattern_p.c: Likewise.
* posix/globfree.c: Likewise.
* posix/globfree64.c: Likewise.
* sysdeps/gnu/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/globfree.c: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/oldglob.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree64.c: Likewise.
* posix/glob.c (HAVE_CONFIG_H): Use !_LIBC instead.
[NDEBUG): Remove comments.
(GLOB_ONLY_P, _AMIGA, VMS): Remove define.
(dirent_type): New type. Use uint_fast8_t not
uint8_t, as C99 does not require uint8_t.
(DT_UNKNOWN, DT_DIR, DT_LNK): New macros.
(struct readdir_result): Use dirent_type. Do not define skip_entry
unless it is needed; this saves a byte on platforms lacking d_ino.
(readdir_result_type, readdir_result_skip_entry):
New functions, replacing ...
(readdir_result_might_be_symlink, readdir_result_might_be_dir):
these functions, which were removed. This makes the callers
easier to read. All callers changed.
(D_INO_TO_RESULT): Now empty if there is no d_ino.
(size_add_wrapv, glob_use_alloca): New static functions.
(glob, glob_in_dir): Check for size_t overflow in several places,
and fix some size_t checks that were not quite right.
Remove old code using SHELL since Bash no longer
uses this.
(glob, prefix_array): Separate MS code better.
(glob_in_dir): Remove old Amiga and VMS code.
(globfree, __glob_pattern_type, __glob_pattern_p): Move to
separate files.
(glob_in_dir): Do not rely on undefined behavior in accessing
struct members beyond their bounds. Use a flexible array member
instead
(link_stat): Rename from link_exists2_p and return -1/0 instead of
0/1. Caller changed.
(glob): Fix memory leaks.
* posix/glob64 (globfree64): Move to separate file.
* sysdeps/gnu/glob64.c (NO_GLOB_PATTERN_P): Remove define.
(globfree64): Remove hidden alias.
* sysdeps/unix/sysv/linux/Makefile (sysdeps_routines): Add
oldglob.
* sysdeps/unix/sysv/linux/alpha/glob.c (__new_globfree): Move to
separate file.
* sysdeps/unix/sysv/linux/i386/glob64.c (NO_GLOB_PATTERN_P): Remove
define.
Move compat code to separate file.
* sysdeps/wordsize-64/glob.c (globfree): Move definitions to
separate file.
(cherry picked from commit c66c908230169c1bab1f83b071eb585baa214b9f)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 62 ++
NEWS | 1 +
posix/Makefile | 2 +-
posix/flexmember.h | 45 ++
posix/glob.c | 774 ++++++++++----------
posix/glob64.c | 6 -
posix/glob_internal.h | 57 ++
posix/glob_pattern_p.c | 33 +
posix/globfree.c | 41 +
posix/globfree64.c | 31 +
sysdeps/gnu/glob64.c | 3 -
sysdeps/gnu/globfree64.c | 10 +
sysdeps/unix/sysv/linux/Makefile | 2 +-
sysdeps/unix/sysv/linux/alpha/glob.c | 4 -
sysdeps/unix/sysv/linux/alpha/globfree.c | 37 +
sysdeps/unix/sysv/linux/i386/glob64.c | 39 +-
.../unix/sysv/linux/mips/mips64/n64/globfree64.c | 1 +
sysdeps/unix/sysv/linux/oldglob.c | 42 ++
sysdeps/unix/sysv/linux/wordsize-64/globfree64.c | 2 +
sysdeps/unix/sysv/linux/x86_64/x32/globfree.c | 1 +
sysdeps/wordsize-64/glob.c | 2 -
sysdeps/wordsize-64/globfree.c | 5 +
sysdeps/wordsize-64/globfree64.c | 1 +
23 files changed, 742 insertions(+), 459 deletions(-)
create mode 100644 posix/flexmember.h
create mode 100644 posix/glob_internal.h
create mode 100644 posix/glob_pattern_p.c
create mode 100644 posix/globfree.c
create mode 100644 posix/globfree64.c
create mode 100644 sysdeps/gnu/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/alpha/globfree.c
create mode 100644 sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/oldglob.c
create mode 100644 sysdeps/unix/sysv/linux/wordsize-64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/x86_64/x32/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree64.c
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>From glibc-bugs-return-39411-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 20 18:28:46 2017
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Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
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>From glibc-bugs-return-39412-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 20 18:29:12 2017
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Subject: [Bug libc/22273] Improper assert in Linux posix_spawn implementation
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #11 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed by fe05e1cb6d64dba6172249c79526f1e9af8f2bfd.
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>From glibc-bugs-return-39413-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 00:43:56 2017
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Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
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H.J. Lu <hjl.tools at gmail dot com> changed:
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----------------------------------------------------------------------------
Resolution|WONTFIX |FIXED
--- Comment #12 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.27.
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>From glibc-bugs-return-39414-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 01:01:16 2017
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Subject: [Bug libc/21666] .symver is used on common symbol
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--- Comment #16 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.23/master has been updated
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commit 9d521f59de10968f874a5e22e9ce5f9b2a51fc2f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 20 18:00:11 2017 -0700
Update NEWS for [BZ #21666] fix
-----------------------------------------------------------------------
Summary of changes:
NEWS | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
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>From glibc-bugs-return-39415-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 04:56:34 2017
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Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-39416-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 06:44:57 2017
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Subject: [Bug localedata/19247] pap_CW: update glibc locale file
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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CC| |maiku.fabian at gmail dot com
--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Could you please do what Mike Frysinger saidin the last comment?
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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Subject: [Bug localedata/21919] it_VA: new locale
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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>From glibc-bugs-return-39419-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:11:12 2017
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>From glibc-bugs-return-39423-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:12:15 2017
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Subject: [Bug localedata/18943] Collation of NFD strings
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>From glibc-bugs-return-39422-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:12:11 2017
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Subject: [Bug localedata/21918] it_SM: new locale
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>From glibc-bugs-return-39421-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:12:05 2017
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Subject: [Bug localedata/9809] ckb_IQ: new Kurdish Sorani locale
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>From glibc-bugs-return-39424-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:12:25 2017
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Subject: [Bug localedata/20206] ay_BO: new locale
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>From glibc-bugs-return-39427-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:13:38 2017
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Subject: [Bug localedata/15261] LC_MESSAGES.yesexpr/noexpr: inconsistent use of full-width Latin characters
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>From glibc-bugs-return-39426-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:13:29 2017
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>From glibc-bugs-return-39429-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:14:43 2017
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Subject: [Bug localedata/20862] mo_MD@cyrillic: new locale
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Subject: [Bug localedata/21091] ja_JP.UTF8: unexpected collation probably due to unsupported blocks
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/21806] Wrong LC_NAME in Arabic Locals
Date: Sat, 21 Oct 2017 08:20:00 -0000
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--- Comment #6 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Wei-Lun Chao from comment #4)
> After checking ar_* I found:
>
> ar_EG:
> name_fmt "<U0025><U0070><U0025><U0074><U0025><U0066><U0025><U0074>/
> <U0025><U0067>"
>
> ar_SA:
> name_fmt "<U0025><U0064><U0025><U0074><U0025><U0067><U0025><U0074>/
> <U0025><U006D><U0025><U0074><U0025><U0066>"
>
> Which one is correct, or both? Arabic as a macro-language may have the same
> problem like Chinese.
Yes, I think the same.
I don’t want to apply this change to all Arabic locales, there
could be differences between the Arabic locales, we would need
to have better references. I guess it is quite likely that these
strings should be different for different Arabic locales.
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Subject: [Bug localedata/20009] tr_TR: convert LC_CTYPE to i18n
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>From glibc-bugs-return-39433-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:24:34 2017
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Subject: [Bug localedata/20009] tr_TR: convert LC_CTYPE to i18n
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--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
I think this is already fixed because of:
commit 85bafe6f3d0e4647af5e74178b46abdf44d3b981
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Dec 11 12:45:19 2015 +0000
Automate LC_CTYPE generation for tr_TR, update to Unicode 8.0.0 (bug
18491).
This patch makes the automation of Unicode LC_CTYPE generation also
support generating the modified LC_CTYPE used for Turkish (where case
conversions of 'i' and 'I' differ from ASCII conventions), so allowing
that to be more readily kept in sync for future Unicode updates. The
patch includes the locale update generated by the scripts.
Tested for x86_64.
[BZ #18491]
* unicode-gen/unicode_utils.py (to_upper_turkish): New function.
(to_lower_turkish): Likewise.
* unicode-gen/gen_unicode_ctype.py (output_tables): Support
producing output with Turkish case conversions.
(--turkish): New command-line option.
* unicode-gen/Makefile (GENERATED): Add tr_TR.
(tr_TR): New rule.
* locales/tr_TR: Regenerate LC_CTYPE.
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Subject: [Bug localedata/16608] es_US locale has invalid collation rules for 'ch' and 'll'
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Subject: [Bug localedata/15537] lt_LT: invalid collation for Latvian diacritical letters
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Subject: [Bug localedata/21547] Tibetan script collation broken (Dzongkha and Tibetan)
Date: Sat, 21 Oct 2017 08:26:00 -0000
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>From glibc-bugs-return-39438-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:26:15 2017
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Subject: [Bug localedata/3405] pt_BR: sort ordering issues
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>From glibc-bugs-return-39437-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:26:05 2017
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Subject: [Bug localedata/11484] bg_BG: updated locale
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>From glibc-bugs-return-39439-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:26:31 2017
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Subject: [Bug localedata/16527] strxfrm & strcoll broken with Hangul & en_US.UTF-8
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>From glibc-bugs-return-39443-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:27:20 2017
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Subject: [Bug localedata/15260] LC_MESSAGES.{yes,no}{str,expr}: various errors
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>From glibc-bugs-return-39442-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:27:11 2017
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Subject: [Bug localedata/20865] charmaps: cp950 does not contain EUDC/PUA mappings
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>From glibc-bugs-return-39444-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 08:37:47 2017
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From: "alex at gorka dot lv" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/15537] lv_LV: invalid collation for Latvian diacritical letters
Date: Sat, 21 Oct 2017 08:37:00 -0000
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alexander smishlajev <alex at gorka dot lv> changed:
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Summary|lt_LT: invalid collation |lv_LV: invalid collation
|for Latvian diacritical |for Latvian diacritical
|letters |letters
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>From glibc-bugs-return-39445-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 14:45:44 2017
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From: "crrodriguez at opensuse dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22331] New: [linux only] remove getpt() et all fallback to BSD ptys
Date: Sat, 21 Oct 2017 14:45:00 -0000
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Bug ID: 22331
Summary: [linux only] remove getpt() et all fallback to BSD
ptys
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: enhancement
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: crrodriguez at opensuse dot org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Since at least a decade according to google, major distributions build kernels
with either BSD legacy pty disabled (like Fedora 4 or later) or enabled but
set the amount of legacy pty to zero..equivalent to boot a system with
pty.legacy_count=0, this all makes them either not available or unusable by
default without the system administrator intervention.
yet all glibc functions that call getpt() may fallback to them when they are
for all practical effects unavailable.
It is therefore suggested to remove all the fallback code and the code that
changes the pty permissions/owner in grantpt which is also superflous since
devpts does granpt() for you without any library support.
Also unnecessary are the checks in posix_openpt that check if dev/pts in
mounted,exists or whatever precondition.. just try opening /dev/ptmx without
/dev/pts mounted and you will find open syscall fails as it should with ENODEV.
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>From glibc-bugs-return-39446-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 21 16:31:18 2017
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Subject: [Bug glob/22325] Memory leak in glob with GLOB_TILDE (CVE-2017-15671)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e80fc1fc98bf614eb01cf8325503df3a1451a99c
commit e80fc1fc98bf614eb01cf8325503df3a1451a99c
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Oct 21 18:03:30 2017 +0200
glob: Add new test tst-glob-tilde
The new test checks for memory leaks (see bug 22325) and attempts
to trigger the buffer overflow in bug 22320.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 +++
posix/Makefile | 12 ++++-
posix/tst-glob-tilde.c | 136 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 154 insertions(+), 2 deletions(-)
create mode 100644 posix/tst-glob-tilde.c
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Subject: [Bug glob/22320] Buffer overflow in glob with GLOB_TILDE (CVE-2017-15670)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e80fc1fc98bf614eb01cf8325503df3a1451a99c
commit e80fc1fc98bf614eb01cf8325503df3a1451a99c
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Oct 21 18:03:30 2017 +0200
glob: Add new test tst-glob-tilde
The new test checks for memory leaks (see bug 22325) and attempts
to trigger the buffer overflow in bug 22320.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 +++
posix/Makefile | 12 ++++-
posix/tst-glob-tilde.c | 136 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 154 insertions(+), 2 deletions(-)
create mode 100644 posix/tst-glob-tilde.c
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Subject: [Bug glob/22325] Memory leak in glob with GLOB_TILDE (CVE-2017-15671)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6182b3708b7af316454c81467538a8c20c1b046d
commit 6182b3708b7af316454c81467538a8c20c1b046d
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Oct 21 18:03:30 2017 +0200
glob: Add new test tst-glob-tilde
The new test checks for memory leaks (see bug 22325) and attempts
to trigger the buffer overflow in bug 22320.
(cherry picked from commit e80fc1fc98bf614eb01cf8325503df3a1451a99c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 +++
posix/Makefile | 11 +++-
posix/tst-glob-tilde.c | 136 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 153 insertions(+), 2 deletions(-)
create mode 100644 posix/tst-glob-tilde.c
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Subject: [Bug glob/22320] Buffer overflow in glob with GLOB_TILDE (CVE-2017-15670)
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commit 6182b3708b7af316454c81467538a8c20c1b046d
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Oct 21 18:03:30 2017 +0200
glob: Add new test tst-glob-tilde
The new test checks for memory leaks (see bug 22325) and attempts
to trigger the buffer overflow in bug 22320.
(cherry picked from commit e80fc1fc98bf614eb01cf8325503df3a1451a99c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 +++
posix/Makefile | 11 +++-
posix/tst-glob-tilde.c | 136 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 153 insertions(+), 2 deletions(-)
create mode 100644 posix/tst-glob-tilde.c
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From: "tim.ruehsen at gmx dot de" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/22332] New: WRITE heap-buffer-overflow in glob()
Date: Sat, 21 Oct 2017 17:53:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22332
Bug ID: 22332
Summary: WRITE heap-buffer-overflow in glob()
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: glob
Assignee: unassigned at sourceware dot org
Reporter: tim.ruehsen at gmx dot de
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Created attachment 10549
--> https://sourceware.org/bugzilla/attachment.cgi?id=10549&action=edit
glob heap-buffer-overflow reproducer
There seems to be another issue:
==32482==ERROR: AddressSanitizer: heap-buffer-overflow on address
0x60d0000000c2 at pc 0x000000518166 bp 0x7fff35827050 sp 0x7fff35827048
WRITE of size 1 at 0x60d0000000c2 thread T0
#0 0x518165 in rpl_glob /home/tim/src/wget2/lib/glob.c:762:28
#1 0x50ef16 in main /home/tim/src/wget2/fuzz/ooo/glob_crash.c:58:6
#2 0x7f10b4c342e0 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x202e0)
#3 0x4193e9 in _start (/home/tim/src/wget2/fuzz/ooo/glob_crash+0x4193e9)
0x60d0000000c2 is located 0 bytes to the right of 130-byte region
[0x60d000000040,0x60d0000000c2)
allocated by thread T0 here:
#0 0x4d73b0 in __interceptor_malloc
(/home/tim/src/wget2/fuzz/ooo/glob_crash+0x4d73b0)
#1 0x514d8f in rpl_glob /home/tim/src/wget2/lib/glob.c:734:26
#2 0x50ef16 in main /home/tim/src/wget2/fuzz/ooo/glob_crash.c:58:6
#3 0x7f10b4c342e0 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x202e0)
Reproducer C file attached.
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From: "dilfridge at gentoo dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22333] New: out of bounds stack read in libidn (CVE-2016-6261) unpatched in libc
Date: Sat, 21 Oct 2017 18:06:00 -0000
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Bug ID: 22333
Summary: out of bounds stack read in libidn (CVE-2016-6261)
unpatched in libc
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: network
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Reporter: dilfridge at gentoo dot org
Target Milestone: ---
The idna_to_ascii_4i function in lib/idna.c in libidn before 1.33 allows
context-dependent attackers to cause a denial of service (out-of-bounds read
and crash) via 64 bytes of input.
CVE:
https://nvd.nist.gov/vuln/detail/CVE-2016-6261
libidn upstream fix:
http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=f20ce1128fb7f4d33297eee307dddaf0f92ac72d
The patch applies cleanly.
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Subject: [Bug network/22333] out of bounds stack read in libidn (CVE-2016-6261) unpatched in libc
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https://sourceware.org/bugzilla/show_bug.cgi?id=22333
Andreas K. Huettel <dilfridge at gentoo dot org> changed:
What |Removed |Added
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See Also| |https://bugs.gentoo.org/sho
| |w_bug.cgi?id=635010
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Subject: [Bug network/22334] New: denial of service (out-of-bounds read and crash) via crafted UTF-8 data (CVE-2016-6263)
Date: Sat, 21 Oct 2017 18:27:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22334
Bug ID: 22334
Summary: denial of service (out-of-bounds read and crash) via
crafted UTF-8 data (CVE-2016-6263)
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: network
Assignee: unassigned at sourceware dot org
Reporter: dilfridge at gentoo dot org
Target Milestone: ---
The stringprep_utf8_nfkc_normalize function in lib/nfkc.c in libidn before 1.33
allows context-dependent attackers to cause a denial of service (out-of-bounds
read and crash) via crafted UTF-8 data.
This code is still present in its original form in glibc.
CVE:
https://nvd.nist.gov/vuln/detail/CVE-2016-6263
libidn upstream fix:
http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=1fbee57ef3c72db2206dd87e4162108b2f425555
The relevant chunk applies cleanly.
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Subject: [Bug network/22334] denial of service (out-of-bounds read and crash) via crafted UTF-8 data (CVE-2016-6263)
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https://sourceware.org/bugzilla/show_bug.cgi?id=22334
Andreas K. Huettel <dilfridge at gentoo dot org> changed:
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| |w_bug.cgi?id=635012
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Subject: [Bug glob/22332] WRITE heap-buffer-overflow in glob()
Date: Sat, 21 Oct 2017 18:32:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22332
Andreas Schwab <schwab@linux-m68k.org> changed:
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Status|UNCONFIRMED |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
dup
*** This bug has been marked as a duplicate of bug 22320 ***
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Subject: [Bug glob/22320] Buffer overflow in glob with GLOB_TILDE (CVE-2017-15670)
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--- Comment #12 from Andreas Schwab <schwab@linux-m68k.org> ---
*** Bug 22332 has been marked as a duplicate of this bug. ***
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Subject: [Bug dynamic-link/22093] ld.so no longer searches in .../x86_64
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, hjl/pr21265/2.26 has been created
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5d9b05d1ad4faa68f82e80dee014df7d5f9872c3
commit 5d9b05d1ad4faa68f82e80dee014df7d5f9872c3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Mar 23 08:21:52 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-pointer-arith.h>.
(get_common_indeces): Set xsave_state_size, xsave_state_full_size
and bit_arch_XSAVEC_Usable if needed.
(init_cpu_features): Remove bit_arch_Use_dl_runtime_resolve_slow
and bit_arch_Use_dl_runtime_resolve_opt.
* sysdeps/x86/cpu-features.h (bit_arch_Use_dl_runtime_resolve_opt):
Removed.
(bit_arch_Use_dl_runtime_resolve_slow): Likewise.
(bit_arch_Prefer_No_AVX512): Updated.
(bit_arch_MathVec_Prefer_No_AVX512): Likewise.
(bit_arch_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size and xsave_state_full_size.
(index_arch_Use_dl_runtime_resolve_opt): Removed.
(index_arch_Use_dl_runtime_resolve_slow): Likewise.
(index_arch_XSAVEC_Usable): New.
* sysdeps/x86/cpu-tunables.c (TUNABLE_CALLBACK (set_hwcaps)):
Support XSAVEC_Usable. Remove Use_dl_runtime_resolve_slow.
* sysdeps/x86_64/Makefile (tst-x86_64-1-ENV): New if tunables
is enabled.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx,
_dl_runtime_resolve_avx_slow, _dl_runtime_resolve_avx_opt,
_dl_runtime_resolve_avx512 and _dl_runtime_resolve_avx512_opt
with _dl_runtime_resolve_fxsave, _dl_runtime_resolve_xsave and
_dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S (DL_RUNTIME_UNALIGNED_VEC_SIZE):
Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_slow): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aca8619adb0e5d96f6e7d821d39adc6cca6d6c55
commit aca8619adb0e5d96f6e7d821d39adc6cca6d6c55
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Sep 11 08:18:11 2017 -0700
x86: Add x86_64 to x86-64 HWCAP [BZ #22093]
Before glibc 2.26, ld.so set dl_platform to "x86_64" and searched the
"x86_64" subdirectory when loading a shared library. ld.so in glibc
2.26 was changed to set dl_platform to "haswell" or "xeon_phi", based
on supported ISAs. This led to shared library loading failure for
shared libraries placed under the "x86_64" subdirectory.
This patch adds "x86_64" to x86-64 dl_hwcap so that ld.so will always
search the "x86_64" subdirectory when loading a shared library.
NB: We can't set x86-64 dl_platform to "x86-64" since ld.so will skip
the "haswell" and "xeon_phi" subdirectories on "haswell" and "xeon_phi"
machines.
Tested on i686 and x86-64.
[BZ #22093]
* sysdeps/x86/cpu-features.c (init_cpu_features): Initialize
GLRO(dl_hwcap) to HWCAP_X86_64 for x86-64.
* sysdeps/x86/dl-hwcap.h (HWCAP_COUNT): Updated.
(HWCAP_IMPORTANT): Likewise.
(HWCAP_X86_64): New enum.
(HWCAP_X86_AVX512_1): Updated.
* sysdeps/x86/dl-procinfo.c (_dl_x86_hwcap_flags): Add "x86_64".
* sysdeps/x86_64/Makefile (tests): Add tst-x86_64-1.
(modules-names): Add x86_64/tst-x86_64mod-1.
(LDFLAGS-tst-x86_64mod-1.so): New.
($(objpfx)tst-x86_64-1): Likewise.
($(objpfx)x86_64/tst-x86_64mod-1.os): Likewise.
(tst-x86_64-1-clean): Likewise.
* sysdeps/x86_64/tst-x86_64-1.c: New file.
* sysdeps/x86_64/tst-x86_64mod-1.c: Likewise.
(cherry picked from commit 45ff34638f034877b6a490c217d6a0632ce263f4)
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Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33122280d2bab96022dd768d14a69a99768499fc
commit 33122280d2bab96022dd768d14a69a99768499fc
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Mar 23 08:21:52 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-internal.h>.
(get_common_indeces): Set xsave_state_size and
bit_arch_XSAVEC_Usable if needed.
(init_cpu_features): Remove bit_arch_Use_dl_runtime_resolve_slow
and bit_arch_Use_dl_runtime_resolve_opt.
* sysdeps/x86/cpu-features.h (bit_arch_Use_dl_runtime_resolve_opt):
Removed.
(bit_arch_Use_dl_runtime_resolve_slow): Likewise.
(bit_arch_Prefer_No_AVX512): Updated.
(bit_arch_MathVec_Prefer_No_AVX512): Likewise.
(bit_arch_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size.
(index_arch_Use_dl_runtime_resolve_opt): Removed.
(index_arch_Use_dl_runtime_resolve_slow): Likewise.
(index_arch_XSAVEC_Usable): New.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx,
_dl_runtime_resolve_avx_slow, _dl_runtime_resolve_avx_opt,
_dl_runtime_resolve_avx512 and _dl_runtime_resolve_avx512_opt
with _dl_runtime_resolve_fxsave, _dl_runtime_resolve_xsave and
_dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S (DL_RUNTIME_UNALIGNED_VEC_SIZE):
Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_slow): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
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Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sat, 21 Oct 2017 18:50:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21265
--- Comment #15 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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at 609ccf8ca804e0c65afad74fe5c6d867c3552dbb (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=609ccf8ca804e0c65afad74fe5c6d867c3552dbb
commit 609ccf8ca804e0c65afad74fe5c6d867c3552dbb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Mar 23 08:21:52 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-internal.h>.
(get_common_indeces): Set xsave_state_size and
bit_arch_XSAVEC_Usable if needed.
(init_cpu_features): Remove bit_arch_Use_dl_runtime_resolve_slow
and bit_arch_Use_dl_runtime_resolve_opt.
* sysdeps/x86/cpu-features.h (bit_arch_Use_dl_runtime_resolve_opt):
Removed.
(bit_arch_Use_dl_runtime_resolve_slow): Likewise.
(bit_arch_Prefer_No_AVX512): Updated.
(bit_arch_MathVec_Prefer_No_AVX512): Likewise.
(bit_arch_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size.
(index_arch_Use_dl_runtime_resolve_opt): Removed.
(index_arch_Use_dl_runtime_resolve_slow): Likewise.
(index_arch_XSAVEC_Usable): New.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx,
_dl_runtime_resolve_avx_slow, _dl_runtime_resolve_avx_opt,
_dl_runtime_resolve_avx512 and _dl_runtime_resolve_avx512_opt
with _dl_runtime_resolve_fxsave, _dl_runtime_resolve_xsave and
_dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S (DL_RUNTIME_UNALIGNED_VEC_SIZE):
Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_slow): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sat, 21 Oct 2017 18:50:00 -0000
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--- Comment #13 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 5d9b05d1ad4faa68f82e80dee014df7d5f9872c3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Mar 23 08:21:52 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-pointer-arith.h>.
(get_common_indeces): Set xsave_state_size, xsave_state_full_size
and bit_arch_XSAVEC_Usable if needed.
(init_cpu_features): Remove bit_arch_Use_dl_runtime_resolve_slow
and bit_arch_Use_dl_runtime_resolve_opt.
* sysdeps/x86/cpu-features.h (bit_arch_Use_dl_runtime_resolve_opt):
Removed.
(bit_arch_Use_dl_runtime_resolve_slow): Likewise.
(bit_arch_Prefer_No_AVX512): Updated.
(bit_arch_MathVec_Prefer_No_AVX512): Likewise.
(bit_arch_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size and xsave_state_full_size.
(index_arch_Use_dl_runtime_resolve_opt): Removed.
(index_arch_Use_dl_runtime_resolve_slow): Likewise.
(index_arch_XSAVEC_Usable): New.
* sysdeps/x86/cpu-tunables.c (TUNABLE_CALLBACK (set_hwcaps)):
Support XSAVEC_Usable. Remove Use_dl_runtime_resolve_slow.
* sysdeps/x86_64/Makefile (tst-x86_64-1-ENV): New if tunables
is enabled.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx,
_dl_runtime_resolve_avx_slow, _dl_runtime_resolve_avx_opt,
_dl_runtime_resolve_avx512 and _dl_runtime_resolve_avx512_opt
with _dl_runtime_resolve_fxsave, _dl_runtime_resolve_xsave and
_dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S (DL_RUNTIME_UNALIGNED_VEC_SIZE):
Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_slow): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aca8619adb0e5d96f6e7d821d39adc6cca6d6c55
commit aca8619adb0e5d96f6e7d821d39adc6cca6d6c55
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Sep 11 08:18:11 2017 -0700
x86: Add x86_64 to x86-64 HWCAP [BZ #22093]
Before glibc 2.26, ld.so set dl_platform to "x86_64" and searched the
"x86_64" subdirectory when loading a shared library. ld.so in glibc
2.26 was changed to set dl_platform to "haswell" or "xeon_phi", based
on supported ISAs. This led to shared library loading failure for
shared libraries placed under the "x86_64" subdirectory.
This patch adds "x86_64" to x86-64 dl_hwcap so that ld.so will always
search the "x86_64" subdirectory when loading a shared library.
NB: We can't set x86-64 dl_platform to "x86-64" since ld.so will skip
the "haswell" and "xeon_phi" subdirectories on "haswell" and "xeon_phi"
machines.
Tested on i686 and x86-64.
[BZ #22093]
* sysdeps/x86/cpu-features.c (init_cpu_features): Initialize
GLRO(dl_hwcap) to HWCAP_X86_64 for x86-64.
* sysdeps/x86/dl-hwcap.h (HWCAP_COUNT): Updated.
(HWCAP_IMPORTANT): Likewise.
(HWCAP_X86_64): New enum.
(HWCAP_X86_AVX512_1): Updated.
* sysdeps/x86/dl-procinfo.c (_dl_x86_hwcap_flags): Add "x86_64".
* sysdeps/x86_64/Makefile (tests): Add tst-x86_64-1.
(modules-names): Add x86_64/tst-x86_64mod-1.
(LDFLAGS-tst-x86_64mod-1.so): New.
($(objpfx)tst-x86_64-1): Likewise.
($(objpfx)x86_64/tst-x86_64mod-1.os): Likewise.
(tst-x86_64-1-clean): Likewise.
* sysdeps/x86_64/tst-x86_64-1.c: New file.
* sysdeps/x86_64/tst-x86_64mod-1.c: Likewise.
(cherry picked from commit 45ff34638f034877b6a490c217d6a0632ce263f4)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sat, 21 Oct 2017 18:50:00 -0000
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--- Comment #16 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, hjl/pr21265/2.23 has been created
at 915e61c5d780ee252bd93cdcf1502af0a7180cd5 (commit)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=915e61c5d780ee252bd93cdcf1502af0a7180cd5
commit 915e61c5d780ee252bd93cdcf1502af0a7180cd5
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Mar 23 08:21:52 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-internal.h>.
(init_cpu_features): Set xsave_state_size and bit_XSAVEC_Usable
if needed.
* sysdeps/x86/cpu-features.h (bit_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size.
(index_XSAVEC_Usable): New.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx and
_dl_runtime_resolve_avx512 with _dl_runtime_resolve_fxsave,
_dl_runtime_resolve_xsave and _dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S: Include <cpu-features.h>.
(DL_RUNTIME_UNALIGNED_VEC_SIZE): Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(_dl_runtime_profile): Defined only if _dl_runtime_profile is
defined.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/22332] Buffer overflow in glob with GLOB_TILDE in unescaping
Date: Sat, 21 Oct 2017 19:11:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|WRITE heap-buffer-overflow |Buffer overflow in glob
|in glob() |with GLOB_TILDE in
| |unescaping
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/22332] WRITE heap-buffer-overflow in glob()
Date: Sat, 21 Oct 2017 19:11:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
CC| |fweimer at redhat dot com
Resolution|DUPLICATE |---
Flags| |security+
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
No, the crash happens on line 868 here:
848 if (unescape != NULL)
849 {
850 char *p = mempcpy (newp, dirname + 1,
851 unescape - dirname - 1);
852 char *q = unescape;
853 while (*q != '\0')
854 {
855 if (*q == '\\')
856 {
857 if (q[1] == '\0')
858 {
859 /* "~fo\\o\\" unescape to user_name
"foo\\",
860 but "~fo\\o\\/" unescape to user_name
861 "foo". */
862 if (filename == NULL)
863 *p++ = '\\';
864 break;
865 }
866 ++q;
867 }
868 *p++ = *q++;
869 }
870 *p = '\0';
871 }
The crash is obscured in glibc because it uses alloca, so you need to add more
data to the name before the overflow can be observed with valgrind.
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From: "eggert at gnu dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/22332] Buffer overflow in glob with GLOB_TILDE in unescaping
Date: Sat, 21 Oct 2017 19:45:00 -0000
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Paul Eggert <eggert at gnu dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |eggert at gnu dot org
--- Comment #3 from Paul Eggert <eggert at gnu dot org> ---
I fixed this bug in Gnulib with this patch:
http://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=6803dda53781f7da920f568a31610d41e5c3a351
and something like this patcvh should be merged into glibc.
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Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sat, 21 Oct 2017 20:24:00 -0000
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--- Comment #18 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pr21265/2.23 has been created
at c9af02d35a622cf453021be801a53424ad0f7135 (commit)
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commit c9af02d35a622cf453021be801a53424ad0f7135
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Mar 23 08:21:52 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-internal.h>.
(init_cpu_features): Set xsave_state_size and bit_XSAVEC_Usable
if needed.
* sysdeps/x86/cpu-features.h (bit_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size.
(index_XSAVEC_Usable): New.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx and
_dl_runtime_resolve_avx512 with _dl_runtime_resolve_fxsave,
_dl_runtime_resolve_xsave and _dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S: Include <cpu-features.h>.
(DL_RUNTIME_UNALIGNED_VEC_SIZE): Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(_dl_runtime_profile): Defined only if _dl_runtime_profile is
defined.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
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Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sat, 21 Oct 2017 20:24:00 -0000
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--- Comment #17 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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_dl_runtime_resolve [BZ #21265]
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Subject: [Bug libc/21993] data type causing overflow in fwrite
Date: Sun, 22 Oct 2017 07:18:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |WORKSFORME
--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
No details supplied in nearly two months. Closing.
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Subject: [Bug glob/22332] Buffer overflow in glob with GLOB_TILDE in unescaping
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commit a159b53fa059947cc2548e3b0d5bdcf7b9630ba8
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Oct 22 10:00:57 2017 +0200
glob: Fix buffer overflow during GLOB_TILDE unescaping [BZ #22332]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 4 ++++
posix/glob.c | 4 ++--
3 files changed, 12 insertions(+), 2 deletions(-)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Target Milestone|--- |2.27
--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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Subject: [Bug dynamic-link/22093] ld.so no longer searches in .../x86_64
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commit b2c78ae69eb5845c94db94e87a2addd695f978c0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 22 04:14:54 2017 -0700
x86: Add x86_64 to x86-64 HWCAP [BZ #22093]
Before glibc 2.26, ld.so set dl_platform to "x86_64" and searched the
"x86_64" subdirectory when loading a shared library. ld.so in glibc
2.26 was changed to set dl_platform to "haswell" or "xeon_phi", based
on supported ISAs. This led to shared library loading failure for
shared libraries placed under the "x86_64" subdirectory.
This patch adds "x86_64" to x86-64 dl_hwcap so that ld.so will always
search the "x86_64" subdirectory when loading a shared library.
NB: We can't set x86-64 dl_platform to "x86-64" since ld.so will skip
the "haswell" and "xeon_phi" subdirectories on "haswell" and "xeon_phi"
machines.
Tested on i686 and x86-64.
[BZ #22093]
* sysdeps/x86/cpu-features.c (init_cpu_features): Initialize
GLRO(dl_hwcap) to HWCAP_X86_64 for x86-64.
* sysdeps/x86/dl-hwcap.h (HWCAP_COUNT): Updated.
(HWCAP_IMPORTANT): Likewise.
(HWCAP_X86_64): New enum.
(HWCAP_X86_AVX512_1): Updated.
* sysdeps/x86/dl-procinfo.c (_dl_x86_hwcap_flags): Add "x86_64".
* sysdeps/x86_64/Makefile (tests): Add tst-x86_64-1.
(modules-names): Add x86_64/tst-x86_64mod-1.
(LDFLAGS-tst-x86_64mod-1.so): New.
($(objpfx)tst-x86_64-1): Likewise.
($(objpfx)x86_64/tst-x86_64mod-1.os): Likewise.
(tst-x86_64-1-clean): Likewise.
* sysdeps/x86_64/tst-x86_64-1.c: New file.
* sysdeps/x86_64/tst-x86_64mod-1.c: Likewise.
(cherry picked from commit 45ff34638f034877b6a490c217d6a0632ce263f4)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 +++++++++++++++++++
NEWS | 1 +
sysdeps/x86/cpu-features.c | 3 ++-
sysdeps/x86/dl-hwcap.h | 12 +++++++-----
sysdeps/x86/dl-procinfo.c | 4 ++--
sysdeps/x86_64/Makefile | 17 +++++++++++++++++
sysdeps/x86_64/{tst-quad1.c => tst-x86_64-1.c} | 3 ++-
.../strcmp-sse4_2.S => tst-x86_64mod-1.c} | 9 +++++----
8 files changed, 55 insertions(+), 13 deletions(-)
copy sysdeps/x86_64/{tst-quad1.c => tst-x86_64-1.c} (87%)
copy sysdeps/x86_64/{multiarch/strcmp-sse4_2.S => tst-x86_64mod-1.c} (90%)
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Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sun, 22 Oct 2017 11:40:00 -0000
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5d9b05d1ad4faa68f82e80dee014df7d5f9872c3 x86-64: Use fxsave/xsave/xsavec in
_dl_runtime_resolve [BZ #21265]
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Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
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commit 4a30c87b87e0c2bb6110230cd53f0fffa3022f77
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Mar 23 08:21:52 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-pointer-arith.h>.
(get_common_indeces): Set xsave_state_size, xsave_state_full_size
and bit_arch_XSAVEC_Usable if needed.
(init_cpu_features): Remove bit_arch_Use_dl_runtime_resolve_slow
and bit_arch_Use_dl_runtime_resolve_opt.
* sysdeps/x86/cpu-features.h (bit_arch_Use_dl_runtime_resolve_opt):
Removed.
(bit_arch_Use_dl_runtime_resolve_slow): Likewise.
(bit_arch_Prefer_No_AVX512): Updated.
(bit_arch_MathVec_Prefer_No_AVX512): Likewise.
(bit_arch_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size and xsave_state_full_size.
(index_arch_Use_dl_runtime_resolve_opt): Removed.
(index_arch_Use_dl_runtime_resolve_slow): Likewise.
(index_arch_XSAVEC_Usable): New.
* sysdeps/x86/cpu-tunables.c (TUNABLE_CALLBACK (set_hwcaps)):
Support XSAVEC_Usable. Remove Use_dl_runtime_resolve_slow.
* sysdeps/x86_64/Makefile (tst-x86_64-1-ENV): New if tunables
is enabled.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx,
_dl_runtime_resolve_avx_slow, _dl_runtime_resolve_avx_opt,
_dl_runtime_resolve_avx512 and _dl_runtime_resolve_avx512_opt
with _dl_runtime_resolve_fxsave, _dl_runtime_resolve_xsave and
_dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S (DL_RUNTIME_UNALIGNED_VEC_SIZE):
Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_slow): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sun, 22 Oct 2017 11:49:00 -0000
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--- Comment #22 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=19d009625f022623cf1d98caa9f493aa01c7f7fb
commit 19d009625f022623cf1d98caa9f493aa01c7f7fb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Mar 23 08:21:52 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-internal.h>.
(init_cpu_features): Set xsave_state_size and bit_XSAVEC_Usable
if needed.
* sysdeps/x86/cpu-features.h (bit_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size.
(index_XSAVEC_Usable): New.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx and
_dl_runtime_resolve_avx512 with _dl_runtime_resolve_fxsave,
_dl_runtime_resolve_xsave and _dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S: Include <cpu-features.h>.
(DL_RUNTIME_UNALIGNED_VEC_SIZE): Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(_dl_runtime_profile): Defined only if _dl_runtime_profile is
defined.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sun, 22 Oct 2017 11:49:00 -0000
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--- Comment #21 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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c9af02d35a622cf453021be801a53424ad0f7135 x86-64: Use fxsave/xsave/xsavec in
_dl_runtime_resolve [BZ #21265]
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sun, 22 Oct 2017 15:15:00 -0000
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--- Comment #23 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.26/master has been updated
via f82a6fc223cbd890b9de9007cfce63e6cae8f799 (commit)
from b2c78ae69eb5845c94db94e87a2addd695f978c0 (commit)
Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f82a6fc223cbd890b9de9007cfce63e6cae8f799
commit f82a6fc223cbd890b9de9007cfce63e6cae8f799
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 22 07:40:39 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-pointer-arith.h>.
(get_common_indeces): Set xsave_state_size, xsave_state_full_size
and bit_arch_XSAVEC_Usable if needed.
(init_cpu_features): Remove bit_arch_Use_dl_runtime_resolve_slow
and bit_arch_Use_dl_runtime_resolve_opt.
* sysdeps/x86/cpu-features.h (bit_arch_Use_dl_runtime_resolve_opt):
Removed.
(bit_arch_Use_dl_runtime_resolve_slow): Likewise.
(bit_arch_Prefer_No_AVX512): Updated.
(bit_arch_MathVec_Prefer_No_AVX512): Likewise.
(bit_arch_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size and xsave_state_full_size.
(index_arch_Use_dl_runtime_resolve_opt): Removed.
(index_arch_Use_dl_runtime_resolve_slow): Likewise.
(index_arch_XSAVEC_Usable): New.
* sysdeps/x86/cpu-tunables.c (TUNABLE_CALLBACK (set_hwcaps)):
Support XSAVEC_Usable. Remove Use_dl_runtime_resolve_slow.
* sysdeps/x86_64/Makefile (tst-x86_64-1-ENV): New if tunables
is enabled.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx,
_dl_runtime_resolve_avx_slow, _dl_runtime_resolve_avx_opt,
_dl_runtime_resolve_avx512 and _dl_runtime_resolve_avx512_opt
with _dl_runtime_resolve_fxsave, _dl_runtime_resolve_xsave and
_dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S (DL_RUNTIME_UNALIGNED_VEC_SIZE):
Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_slow): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 66 +++++++++
NEWS | 1 +
sysdeps/x86/cpu-features-offsets.sym | 1 +
sysdeps/x86/cpu-features.c | 88 +++++++++--
sysdeps/x86/cpu-features.h | 31 +++-
sysdeps/x86/cpu-tunables.c | 17 ++-
sysdeps/x86_64/Makefile | 4 +
sysdeps/x86_64/dl-machine.h | 38 ++----
sysdeps/x86_64/dl-trampoline.S | 87 ++++--------
sysdeps/x86_64/dl-trampoline.h | 267 ++++++++++------------------------
10 files changed, 294 insertions(+), 306 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sun, 22 Oct 2017 15:43:00 -0000
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--- Comment #24 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=61bebc863e65afd994b08353f574c5df3fe8accc
commit 61bebc863e65afd994b08353f574c5df3fe8accc
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 22 08:20:38 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-internal.h>.
(get_common_indeces): Set xsave_state_size and
bit_arch_XSAVEC_Usable if needed.
(init_cpu_features): Remove bit_arch_Use_dl_runtime_resolve_slow
and bit_arch_Use_dl_runtime_resolve_opt.
* sysdeps/x86/cpu-features.h (bit_arch_Use_dl_runtime_resolve_opt):
Removed.
(bit_arch_Use_dl_runtime_resolve_slow): Likewise.
(bit_arch_Prefer_No_AVX512): Updated.
(bit_arch_MathVec_Prefer_No_AVX512): Likewise.
(bit_arch_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size.
(index_arch_Use_dl_runtime_resolve_opt): Removed.
(index_arch_Use_dl_runtime_resolve_slow): Likewise.
(index_arch_XSAVEC_Usable): New.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx,
_dl_runtime_resolve_avx_slow, _dl_runtime_resolve_avx_opt,
_dl_runtime_resolve_avx512 and _dl_runtime_resolve_avx512_opt
with _dl_runtime_resolve_fxsave, _dl_runtime_resolve_xsave and
_dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S (DL_RUNTIME_UNALIGNED_VEC_SIZE):
Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_slow): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 62 ++++++++
NEWS | 1 +
sysdeps/x86/cpu-features-offsets.sym | 1 +
sysdeps/x86/cpu-features.c | 83 +++++++++--
sysdeps/x86/cpu-features.h | 23 +++-
sysdeps/x86_64/dl-machine.h | 38 ++----
sysdeps/x86_64/dl-trampoline.S | 87 ++++--------
sysdeps/x86_64/dl-trampoline.h | 267 ++++++++++------------------------
8 files changed, 265 insertions(+), 297 deletions(-)
--
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>From glibc-bugs-return-39478-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 22 15:53:37 2017
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sun, 22 Oct 2017 15:53:00 -0000
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--- Comment #25 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bea3f92405f705684275bffee954cafe84ffb09d
commit bea3f92405f705684275bffee954cafe84ffb09d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 22 08:24:00 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-internal.h>.
(get_common_indeces): Set xsave_state_size and
bit_arch_XSAVEC_Usable if needed.
(init_cpu_features): Remove bit_arch_Use_dl_runtime_resolve_slow
and bit_arch_Use_dl_runtime_resolve_opt.
* sysdeps/x86/cpu-features.h (bit_arch_Use_dl_runtime_resolve_opt):
Removed.
(bit_arch_Use_dl_runtime_resolve_slow): Likewise.
(bit_arch_Prefer_No_AVX512): Updated.
(bit_arch_MathVec_Prefer_No_AVX512): Likewise.
(bit_arch_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size.
(index_arch_Use_dl_runtime_resolve_opt): Removed.
(index_arch_Use_dl_runtime_resolve_slow): Likewise.
(index_arch_XSAVEC_Usable): New.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx,
_dl_runtime_resolve_avx_slow, _dl_runtime_resolve_avx_opt,
_dl_runtime_resolve_avx512 and _dl_runtime_resolve_avx512_opt
with _dl_runtime_resolve_fxsave, _dl_runtime_resolve_xsave and
_dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S (DL_RUNTIME_UNALIGNED_VEC_SIZE):
Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_slow): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx512_opt): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_avx_opt): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_sse_vex): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 62 ++++++++
NEWS | 1 +
sysdeps/x86/cpu-features-offsets.sym | 1 +
sysdeps/x86/cpu-features.c | 83 +++++++++--
sysdeps/x86/cpu-features.h | 23 +++-
sysdeps/x86_64/dl-machine.h | 38 ++----
sysdeps/x86_64/dl-trampoline.S | 87 ++++--------
sysdeps/x86_64/dl-trampoline.h | 267 ++++++++++------------------------
8 files changed, 265 insertions(+), 297 deletions(-)
--
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>From glibc-bugs-return-39479-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 22 16:14:26 2017
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21265] _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention
Date: Sun, 22 Oct 2017 16:14:00 -0000
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--- Comment #26 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, release/2.23/master has been updated
via 26d289bb92b6d1125536644f607c73617463477d (commit)
from 9d521f59de10968f874a5e22e9ce5f9b2a51fc2f (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=26d289bb92b6d1125536644f607c73617463477d
commit 26d289bb92b6d1125536644f607c73617463477d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 22 08:47:03 2017 -0700
x86-64: Use fxsave/xsave/xsavec in _dl_runtime_resolve [BZ #21265]
In _dl_runtime_resolve, use fxsave/xsave/xsavec to preserve all vector,
mask and bound registers. It simplifies _dl_runtime_resolve and supports
different calling conventions. ld.so code size is reduced by more than
1 KB. However, use fxsave/xsave/xsavec takes a little bit more cycles
than saving and restoring vector and bound registers individually.
Latency for _dl_runtime_resolve to lookup the function, foo, from one
shared library plus libc.so:
Before After Change
Westmere (SSE)/fxsave 345 866 151%
IvyBridge (AVX)/xsave 420 643 53%
Haswell (AVX)/xsave 713 1252 75%
Skylake (AVX+MPX)/xsavec 559 719 28%
Skylake (AVX512+MPX)/xsavec 145 272 87%
Ryzen (AVX)/xsavec 280 553 97%
This is the worst case where portion of time spent for saving and
restoring registers is bigger than majority of cases. With smaller
_dl_runtime_resolve code size, overall performance impact is negligible.
On IvyBridge, differences in build and test time of binutils with lazy
binding GCC and binutils are noises. On Westmere, differences in
bootstrap and "makc check" time of GCC 7 with lazy binding GCC and
binutils are also noises.
[BZ #21265]
* sysdeps/x86/cpu-features-offsets.sym (XSAVE_STATE_SIZE_OFFSET):
New.
* sysdeps/x86/cpu-features.c: Include <libc-internal.h>.
(init_cpu_features): Set xsave_state_size and bit_XSAVEC_Usable
if needed.
* sysdeps/x86/cpu-features.h (bit_XSAVEC_Usable): New.
(STATE_SAVE_OFFSET): Likewise.
(STATE_SAVE_MASK): Likewise.
[__ASSEMBLER__]: Include <cpu-features-offsets.h>.
(cpu_features): Add xsave_state_size.
(index_XSAVEC_Usable): New.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Replace _dl_runtime_resolve_sse, _dl_runtime_resolve_avx and
_dl_runtime_resolve_avx512 with _dl_runtime_resolve_fxsave,
_dl_runtime_resolve_xsave and _dl_runtime_resolve_xsavec.
* sysdeps/x86_64/dl-trampoline.S: Include <cpu-features.h>.
(DL_RUNTIME_UNALIGNED_VEC_SIZE): Removed.
(DL_RUNTIME_RESOLVE_REALIGN_STACK): Check STATE_SAVE_ALIGNMENT
instead of VEC_SIZE.
(REGISTER_SAVE_BND0): Removed.
(REGISTER_SAVE_BND1): Likewise.
(REGISTER_SAVE_BND3): Likewise.
(REGISTER_SAVE_RAX): Always defined to 0.
(VMOV): Removed.
(_dl_runtime_resolve_avx512): Likewise.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(USE_FXSAVE): New.
(_dl_runtime_resolve_fxsave): Likewise.
(USE_XSAVE): Likewise.
(_dl_runtime_resolve_xsave): Likewise.
(USE_XSAVEC): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_resolve_avx512):
Removed.
(_dl_runtime_resolve_avx): Likewise.
(_dl_runtime_resolve_sse): Likewise.
(_dl_runtime_resolve_fxsave): New.
(_dl_runtime_resolve_xsave): Likewise.
(_dl_runtime_resolve_xsavec): Likewise.
(_dl_runtime_profile): Defined only if _dl_runtime_profile is
defined.
(cherry picked from commit b52b0d793dcb226ecb0ecca1e672ca265973233c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 46 +++++++++
NEWS | 1 +
sysdeps/x86/cpu-features-offsets.sym | 2 +
sysdeps/x86/cpu-features.c | 66 +++++++++++++
sysdeps/x86/cpu-features.h | 18 ++++
sysdeps/x86_64/dl-machine.h | 18 ++--
sysdeps/x86_64/dl-trampoline.S | 103 +++++++++------------
sysdeps/x86_64/dl-trampoline.h | 174 +++++++++++++++++-----------------
8 files changed, 272 insertions(+), 156 deletions(-)
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>From glibc-bugs-return-39480-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 22 16:31:26 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/22332] Buffer overflow in glob with GLOB_TILDE in unescaping (CVE-2017-15804)
Date: Sun, 22 Oct 2017 16:31:00 -0000
X-Bugzilla-Reason: CC
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Buffer overflow in glob |Buffer overflow in glob
|with GLOB_TILDE in |with GLOB_TILDE in
|unescaping |unescaping (CVE-2017-15804)
Alias| |CVE-2017-15804
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>From glibc-bugs-return-39481-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 00:51:34 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug math/22296] glibc 2.26: signbit build issue with Gcc 5.5.0 on x86_64
Date: Mon, 23 Oct 2017 00:51:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.26/master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b1b8d8aa95a055dc7929259679a995189d444809
commit b1b8d8aa95a055dc7929259679a995189d444809
Author: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
Date: Fri Oct 20 16:06:19 2017 -0200
Add missing bug fixes to NEWS
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f8279a4b3cc66d3ec8bfb8519e9987b8f7727f53
commit f8279a4b3cc66d3ec8bfb8519e9987b8f7727f53
Author: Romain Naour <romain.naour@gmail.com>
Date: Mon Oct 16 23:21:56 2017 +0200
Let signbit use the builtin in C++ mode with gcc < 6.x (bug 22296)
When using gcc < 6.x, signbit does not use the type-generic
__builtin_signbit builtin, instead it uses __MATH_TG.
However, when library support for float128 is available, __MATH_TG uses
__builtin_types_compatible_p, which is not available in C++ mode.
On the other hand, libstdc++ undefines (in cmath) many macros from
math.h, including signbit, so that it can provide its own functions.
However, during its configure tests, libstdc++ just tests for the
availability of the macros (it does not undefine them, nor does it
provide its own functions).
Finally, libstdc++ configure tests include math.h and get the definition
of signbit that uses __MATH_TG (and __builtin_types_compatible_p).
Since libstdc++ does not undefine the macros during its configure
tests, they fail.
This patch lets signbit use the builtin in C++ mode when gcc < 6.x is
used. This allows the configure test in libstdc++ to work.
Tested for x86_64.
[BZ #22296]
* math/math.h: Let signbit use the builtin in C++ mode with gcc
< 6.x
Cc: Gabriel F. T. Gomes <gftg@linux.vnet.ibm.com>
Cc: Joseph Myers <joseph@codesourcery.com>
(cherry picked from commit 386e1c26ac473d6863133ab9cbe3bbda16c15816)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 3 +++
math/math.h | 9 +++++++++
3 files changed, 18 insertions(+), 0 deletions(-)
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Subject: [Bug localedata/22336] New: cs_CZ does not use i18n
Date: Mon, 23 Oct 2017 07:10:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22336
Bug ID: 22336
Summary: cs_CZ does not use i18n
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
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localedata/locales/cs_CZ does not build upon localedata/locales/i18n, missing
all updates from there.
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Subject: [Bug localedata/22336] cs_CZ LC_COLLATE does not use i18n
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|cs_CZ does not use i18n |cs_CZ LC_COLLATE does not
| |use i18n
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>From glibc-bugs-return-39484-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 08:42:14 2017
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Subject: [Bug nptl/22337] New: pthread_join incorrectly fails for a detached running thread
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https://sourceware.org/bugzilla/show_bug.cgi?id=22337
Bug ID: 22337
Summary: pthread_join incorrectly fails for a detached running
thread
Product: glibc
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Created attachment 10551
--> https://sourceware.org/bugzilla/attachment.cgi?id=10551&action=edit
join-detach.c
POSIX requires that pthread_detach does not change the joinable state of a
thread. The joinable state is only set a thread creation time according to
POSIX.
The attached reproducer must not terminate. It currently fails with:
join-detach: pthread_join: Invalid argument
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>From glibc-bugs-return-39485-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 09:52:23 2017
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Subject: [Bug nptl/22337] pthread_join incorrectly fails for a detached running thread
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Where does it say that? The point of pthread_detatch is to detach a thread,
thus no longer joinable, and 2.9.2 clearly says that pthead_detach works like
PTHREAD_CREATE_DETACHED.
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>From glibc-bugs-return-39486-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 10:38:35 2017
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Subject: [Bug nptl/22337] pthread_join incorrectly fails for a detached running thread
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
There is this sentence in 2.9.2:
“If a thread is detached, its thread ID is invalid for use as an argument in a
call to pthread_detach() or pthread_join().”
Is this what you mean?
But it is not clear to me that pthread_detach actually makes the thread
detached. The effect is specified as “The pthread_detach() function shall
indicate to the implementation that storage for the thread thread can be
reclaimed when that thread terminates.” Not that the thread will be detached
or not joinable afterwards.
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>From glibc-bugs-return-39487-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 10:46:21 2017
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Subject: [Bug nptl/22337] pthread_join incorrectly fails for a detached running thread
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
"The lifetime of a thread ID ends after the thread terminates if it was created
with the detachstate attribute set to PTHREAD_CREATE_DETACHED or if
pthread_detach() or pthread_join() has been called for that thread."
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>From glibc-bugs-return-39488-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 10:49:41 2017
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #3)
> "The lifetime of a thread ID ends after the thread terminates if it was
> created with the detachstate attribute set to PTHREAD_CREATE_DETACHED or if
> pthread_detach() or pthread_join() has been called for that thread."
But that doesn't apply to the test case because the thread in question never
exits, so the lifetime of its thread ID never ends.
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>From glibc-bugs-return-39489-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 10:57:14 2017
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
Please read the rational. It clearly says that pthread_detach dynamically
detaches the thread, like PTHREAD_CREATE_DETACHED does at creation time.
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Subject: [Bug nptl/22337] pthread_join incorrectly fails for a detached running thread
Date: Mon, 23 Oct 2017 11:41:00 -0000
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #5)
> Please read the rational. It clearly says that pthread_detach dynamically
> detaches the thread, like PTHREAD_CREATE_DETACHED does at creation time.
Do you mean the rationale section for pthread_detach? It only discusses
freeing resources. It does not describe how the joinable/detached state of the
thread is impacted by pthread_detach.
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--- Comment #7 from Andreas Schwab <schwab@linux-m68k.org> ---
It says that pthread_detach has the same effect as PTHREAD_CREATE_DETACHED.
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Subject: [Bug math/21987] [sparc32] wrong bits/long-double.h installed
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04acd597943e90147e4bc139911564788e04ae51
commit 04acd597943e90147e4bc139911564788e04ae51
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Oct 19 17:32:20 2017 +0000
Install correct bits/long-double.h for MIPS64 (bug 22322).
Similar to bug 21987 for SPARC, MIPS64 wrongly installs the ldbl-128
version of bits/long-double.h, meaning incorrect results when using
headers installed from a 64-bit installation for a 32-bit build. (I
haven't actually seen this cause build failures before its interaction
with bits/floatn.h did so - installed headers wrongly expecting
_Float128 to be available in a 32-bit configuration.)
This patch fixes the bug by moving the MIPS header to
sysdeps/mips/ieee754, which comes before sysdeps/ieee754/ldbl-128 in
the sysdeps directory ordering. (bits/floatn.h will need a similar
fix - duplicating the ldbl-128 version for MIPS will suffice - for
headers from a 32-bit installation to be correct for 64-bit builds.)
Tested with build-many-glibcs.py (compilers build for
mips64-linux-gnu, where there was previously a libstdc++ build failure
as at
<https://sourceware.org/ml/libc-testresults/2017-q4/msg00130.html>).
[BZ #22322]
* sysdeps/mips/bits/long-double.h: Move to ....
* sysdeps/mips/ieee754/bits/long-double.h: ... here.
(cherry picked from commit 37bb78cb8c1fb6b5813407c8856b1557359e6343)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
sysdeps/mips/{ => ieee754}/bits/long-double.h | 0
3 files changed, 7 insertions(+), 0 deletions(-)
rename sysdeps/mips/{ => ieee754}/bits/long-double.h (100%)
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commit 04acd597943e90147e4bc139911564788e04ae51
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Oct 19 17:32:20 2017 +0000
Install correct bits/long-double.h for MIPS64 (bug 22322).
Similar to bug 21987 for SPARC, MIPS64 wrongly installs the ldbl-128
version of bits/long-double.h, meaning incorrect results when using
headers installed from a 64-bit installation for a 32-bit build. (I
haven't actually seen this cause build failures before its interaction
with bits/floatn.h did so - installed headers wrongly expecting
_Float128 to be available in a 32-bit configuration.)
This patch fixes the bug by moving the MIPS header to
sysdeps/mips/ieee754, which comes before sysdeps/ieee754/ldbl-128 in
the sysdeps directory ordering. (bits/floatn.h will need a similar
fix - duplicating the ldbl-128 version for MIPS will suffice - for
headers from a 32-bit installation to be correct for 64-bit builds.)
Tested with build-many-glibcs.py (compilers build for
mips64-linux-gnu, where there was previously a libstdc++ build failure
as at
<https://sourceware.org/ml/libc-testresults/2017-q4/msg00130.html>).
[BZ #22322]
* sysdeps/mips/bits/long-double.h: Move to ....
* sysdeps/mips/ieee754/bits/long-double.h: ... here.
(cherry picked from commit 37bb78cb8c1fb6b5813407c8856b1557359e6343)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
sysdeps/mips/{ => ieee754}/bits/long-double.h | 0
3 files changed, 7 insertions(+), 0 deletions(-)
rename sysdeps/mips/{ => ieee754}/bits/long-double.h (100%)
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commit 0fc015b6db6a1591d2beecb98362f5de175a077f
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Oct 19 17:32:20 2017 +0000
Install correct bits/long-double.h for MIPS64 (bug 22322).
Similar to bug 21987 for SPARC, MIPS64 wrongly installs the ldbl-128
version of bits/long-double.h, meaning incorrect results when using
headers installed from a 64-bit installation for a 32-bit build. (I
haven't actually seen this cause build failures before its interaction
with bits/floatn.h did so - installed headers wrongly expecting
_Float128 to be available in a 32-bit configuration.)
This patch fixes the bug by moving the MIPS header to
sysdeps/mips/ieee754, which comes before sysdeps/ieee754/ldbl-128 in
the sysdeps directory ordering. (bits/floatn.h will need a similar
fix - duplicating the ldbl-128 version for MIPS will suffice - for
headers from a 32-bit installation to be correct for 64-bit builds.)
Tested with build-many-glibcs.py (compilers build for
mips64-linux-gnu, where there was previously a libstdc++ build failure
as at
<https://sourceware.org/ml/libc-testresults/2017-q4/msg00130.html>).
[BZ #22322]
* sysdeps/mips/bits/long-double.h: Move to ....
* sysdeps/mips/ieee754/bits/long-double.h: ... here.
(cherry picked from commit 37bb78cb8c1fb6b5813407c8856b1557359e6343)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
sysdeps/mips/{ => ieee754}/bits/long-double.h | 0
3 files changed, 7 insertions(+), 0 deletions(-)
rename sysdeps/mips/{ => ieee754}/bits/long-double.h (100%)
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commit 0fc015b6db6a1591d2beecb98362f5de175a077f
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Oct 19 17:32:20 2017 +0000
Install correct bits/long-double.h for MIPS64 (bug 22322).
Similar to bug 21987 for SPARC, MIPS64 wrongly installs the ldbl-128
version of bits/long-double.h, meaning incorrect results when using
headers installed from a 64-bit installation for a 32-bit build. (I
haven't actually seen this cause build failures before its interaction
with bits/floatn.h did so - installed headers wrongly expecting
_Float128 to be available in a 32-bit configuration.)
This patch fixes the bug by moving the MIPS header to
sysdeps/mips/ieee754, which comes before sysdeps/ieee754/ldbl-128 in
the sysdeps directory ordering. (bits/floatn.h will need a similar
fix - duplicating the ldbl-128 version for MIPS will suffice - for
headers from a 32-bit installation to be correct for 64-bit builds.)
Tested with build-many-glibcs.py (compilers build for
mips64-linux-gnu, where there was previously a libstdc++ build failure
as at
<https://sourceware.org/ml/libc-testresults/2017-q4/msg00130.html>).
[BZ #22322]
* sysdeps/mips/bits/long-double.h: Move to ....
* sysdeps/mips/ieee754/bits/long-double.h: ... here.
(cherry picked from commit 37bb78cb8c1fb6b5813407c8856b1557359e6343)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
sysdeps/mips/{ => ieee754}/bits/long-double.h | 0
3 files changed, 7 insertions(+), 0 deletions(-)
rename sysdeps/mips/{ => ieee754}/bits/long-double.h (100%)
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>From glibc-bugs-return-39496-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 15:51:05 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/22338] New: locale: Use the right type for allocation sizes (non-portable assumptions).
Date: Mon, 23 Oct 2017 15:51:00 -0000
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Bug ID: 22338
Summary: locale: Use the right type for allocation sizes
(non-portable assumptions).
Product: glibc
Version: 2.27
Status: NEW
Severity: minor
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
Target Milestone: ---
In ld-ctype.c and locfile.c we use the wrong type for sizing the allocation, we
use the sizeof the original type, but that's not correct, it should be the size
of the element size. In both cases we can use the sizeof the dereferenced name
to get the right value.
The oringal code is fine, but it's a non-portable assumption to say that sizeof
(foo **) == sizeof (foo *), it could in theory be different.
We should just fix this.
diff --git a/locale/programs/ld-ctype.c b/locale/programs/ld-ctype.c
index afb431b..b92f857 100644
--- a/locale/programs/ld-ctype.c
+++ b/locale/programs/ld-ctype.c
@@ -3889,7 +3889,7 @@ allocate_arrays (struct locale_ctype_t *ctype, const
struct charmap_t *charmap,
/* Next we allocate an array large enough and fill in the values. */
sorted = (struct translit_t **) alloca (number
- * sizeof (struct translit_t **));
+ * sizeof (*sorted));
runp = ctype->translit;
number = 0;
do
diff --git a/locale/programs/locfile.c b/locale/programs/locfile.c
index b52efcf..10e6092 100644
--- a/locale/programs/locfile.c
+++ b/locale/programs/locfile.c
@@ -426,7 +426,7 @@ siblings_uncached (const char *output_path)
*p++ = '/';
*p = '\0';
elems = (const char **) xrealloc ((char *) elems,
- (nelems + 2) * sizeof (char **));
+ (nelems + 2) * sizeof (*elems));
elems[nelems++] = other_path;
}
else
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Subject: [Bug localedata/20952] yuw_PG: new locale
Date: Mon, 23 Oct 2017 16:30:00 -0000
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----------------------------------------------------------------------------
Assignee|unassigned at sourceware dot org |maiku.fabian at gmail dot com
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Subject: [Bug localedata/20952] yuw_PG: new locale
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>From glibc-bugs-return-39499-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 16:46:26 2017
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Subject: [Bug localedata/20952] yuw_PG: new locale
Date: Mon, 23 Oct 2017 16:46:00 -0000
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--- Comment #1 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Your locale contains:
LC_CTYPE
copy "i18n"
translit_start
include "translit_combining";""
% LATIN CAPITAL LETTER O WITH DIAERESIS.
<U00D6> "<U004F><U0308>"
% LATIN SMALL LETTER O WITH DIAERESIS.
<U00F6> "<U006F><U0308>"
translit_end
END LC_CTYPE
The included “translit_combining” already has:
% LATIN CAPITAL LETTER O WITH DIAERESIS
<U00D6> <U004F>
% LATIN SMALL LETTER O WITH DIAERESIS
<U00F6> <U006F>
I think your extra rules don’t add anything new, do they?
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Subject: [Bug locale/22338] locale: Use the right type for allocation sizes (non-portable assumptions).
Date: Mon, 23 Oct 2017 16:49:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
> The oringal code is fine, but it's a non-portable assumption to say that
> sizeof (foo **) == sizeof (foo *), it could in theory be different.
Not in GNU C.
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>From glibc-bugs-return-39501-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 16:58:05 2017
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Subject: [Bug localedata/20952] yuw_PG: new locale
Date: Mon, 23 Oct 2017 16:58:00 -0000
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--- Comment #2 from Mike FABIAN <maiku.fabian at gmail dot com> ---
country_name "Papua New Guinea"
This should be the name of the country in the Yau language.
Is this correct?
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>From glibc-bugs-return-39502-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 17:01:17 2017
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Subject: [Bug localedata/20952] yuw_PG: new locale
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--- Comment #3 from Mike FABIAN <maiku.fabian at gmail dot com> ---
% yuw, eventually
lang_term ""
“eventually”?? Shouldn’t we put "yuw" there *now*?
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/22339] New: support/support_can_chroot.c (support_can_chroot): Should call chdir("/");
Date: Mon, 23 Oct 2017 17:09:00 -0000
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Bug ID: 22339
Summary: support/support_can_chroot.c (support_can_chroot):
Should call chdir("/");
Product: glibc
Version: 2.27
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Severity: normal
Priority: P2
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Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
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We should set a good example by calling chdir("/"); immediately after the
chroot, anyone reading this should see that it's clear that we're following the
normative practice of "chroot+chdir."
This also has the added side-effect of silencing warnings in some security
related analysis of the support code.
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>From glibc-bugs-return-39504-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 17:09:49 2017
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Subject: [Bug build/22339] support/support_can_chroot.c (support_can_chroot): Should call chdir("/");
Date: Mon, 23 Oct 2017 17:09:00 -0000
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>From glibc-bugs-return-39505-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 17:17:56 2017
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/20952] yuw_PG: new locale
Date: Mon, 23 Oct 2017 17:17:00 -0000
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--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
https://www.howtocallabroad.com/results.php?callfrom=papua_new_guinea&callto=italy
says the prefix to dial out of Papua New Guinea is "00".
But your locale has:
int_select "0011"
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>From glibc-bugs-return-39506-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 17:27:40 2017
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Subject: [Bug localedata/20952] yuw_PG: new locale
Date: Mon, 23 Oct 2017 17:27:00 -0000
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--- Comment #5 from Mike FABIAN <maiku.fabian at gmail dot com> ---
lang_name "Yau/Nungon"
This should be the langauge endonym, i.e. the name
of the language in the language iself. Is this correct?
Looking at
https://en.wikipedia.org/wiki/Yau_language
it seems that it might be "Uruwa"
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>From glibc-bugs-return-39507-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 20:49:41 2017
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Subject: [Bug locale/22338] locale: Use the right type for allocation sizes (non-portable assumptions).
Date: Mon, 23 Oct 2017 20:49:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Schwab from comment #1)
> > The oringal code is fine, but it's a non-portable assumption to say that
> > sizeof (foo **) == sizeof (foo *), it could in theory be different.
>
> Not in GNU C.
OK, in which case there are only 2 other good reasons for changing it:
* some static analysis tooling doesn't know about GNU C and could warn (I've
seen this in coverity).
* it is logically clearer that the size needed is "element size x number of
elements"
Would you object to this kind of change?
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>From glibc-bugs-return-39508-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 23 21:33:07 2017
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Subject: [Bug nptl/22337] pthread_join incorrectly fails for a detached running thread
Date: Mon, 23 Oct 2017 21:33:00 -0000
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--- Comment #8 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Schwab from comment #7)
> It says that pthread_detach has the same effect as PTHREAD_CREATE_DETACHED.
I agree with Andreas, it is the principle of least surprise.
Once you call pthread_detach() it *should* behave as if you'd started the
thread with PTHREAD_CREATE_DETACHED.
This means pthread_join returns EINVAL (thread is not joinable) as soon as
pthread_detach finishes setting joinid to itself.
The other thing to consider is this: What happens if you call pthread_detach()
*while* another thread is already waiting? (this is mentioned in the comments
in pthread_detach).
I think the only bug is that a pthread_join *before* a pthread_detach should
result in pthread_detach returning EINVAL, but right now it looks like we
return 0 (just looking at the code, would need a test case for this).
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>From glibc-bugs-return-39509-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 24 01:13:42 2017
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Subject: [Bug libc/22341] New: Uninitialized variable in inline function elf_get_dynamic_info in get-dynamic-info.h
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Bug ID: 22341
Summary: Uninitialized variable in inline function
elf_get_dynamic_info in get-dynamic-info.h
Product: glibc
Version: 2.26
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Created attachment 10552
--> https://sourceware.org/bugzilla/attachment.cgi?id=10552&action=edit
crafted shared library file recovered.so and poc.c
Uninitialized Variable in inline function elf_get_dynamic_info at source file
elf/get-dynamic-info.h
Tested on glibc-2.26 with address-sanitize on Linux ubuntu 4.13.0-16-generic
#19-Ubuntu SMP
gcc (Ubuntu 7.2.0-8ubuntu3) 7.2.0
Running Command:
unzip PoC.zip
gcc -o poc poc.c -ldl -fsanitize=address
./poc
Function _dl_map_object_from_fd at Line 1006 in elf/dl-load.c
1006: l = _dl_new_object(realname, name, l_type, loader, mode, nsid);
/* allocate a mmeory region in heap for a new loaded object without
initializing l->l_info*/
Function _dl_map_object_from_fd at Line 1200 in elf/dl-load.c
1200: elf_get_dynamic_info(l, NULL);
/* call buggy function elf_get_dynamic_info,
there is no initialization of l->l_info between dl-load.c:1006 and
dl-load.c:1200 */
Function elf_get_dynamic_info at Line 97 in elf/get-dynamic-info.h
46: info = l->l_info;
97: info[tag]->d_un.d_ptr += l_addr;
/* l->info[tag]->d_un.d_ptr is used without initialization till now.
Any value could be in l->info[tag]->d_un.d_ptr
*/
We trigger this defect with poc compiled with AddressSanitizer and display the
output of Sanitizer as follows:
ASAN:DEADLYSIGNAL
=================================================================
==2505==ERROR: AddressSanitizer: SEGV on unknown address 0x00000204 (pc
0xb7fee485 bp 0x00000000 sp 0xbffff180 T0)
==2505==The signal is caused by a READ memory access.
==2505==Hint: address points to the zero page.
#0 0xb7fee484 (/lib/ld-linux.so.2+0x15484)
#1 0xb794fe2a in _dl_catch_error (/lib/i386-linux-gnu/libc.so.6+0x132e2a)
#2 0xb7819421 (/lib/i386-linux-gnu/libdl.so.2+0x1421)
#3 0xb7818df7 in dlclose (/lib/i386-linux-gnu/libdl.so.2+0xdf7)
#4 0xb7a233a5 in dlclose (/usr/lib/i386-linux-gnu/libasan.so.4+0x303a5)
#5 0x40076b in main (/home/yueqi/poc+0x76b)
#6 0xb7835985 in __libc_start_main (/lib/i386-linux-gnu/libc.so.6+0x18985)
#7 0x400620 (/home/yueqi/poc+0x620)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/lib/ld-linux.so.2+0x15484)
==2505==ABORTING
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>From glibc-bugs-return-39510-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 24 04:30:42 2017
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Subject: [Bug nscd/22342] New: NSCD not properly caching netgroup
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Bug ID: 22342
Summary: NSCD not properly caching netgroup
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In addinnetgrX() in netgroupcache.c, we compute the length of the key thusly:
size_t group_len = key - group - 1;
This omits the trailing NUL from the key. Adding debug statements to cache_add
confirms that addinnetgrX and addgetnetgrentX differ in key lengths:
cache_add key=QAUsers len=7 db=/var/db/nscd/netgroup
cache_add key=QAUsers len=8 db=/var/db/nscd/netgroup
All the other services include the NUL in the key, innetrg should also.
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>From glibc-bugs-return-39511-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 24 08:20:12 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug malloc/22343] New: Integer overflow in posix_memalign
Date: Tue, 24 Oct 2017 08:20:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22343
Bug ID: 22343
Summary: Integer overflow in posix_memalign
Product: glibc
Version: 2.26
Status: NEW
Severity: minor
Priority: P3
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
Flags: security+
Created attachment 10553
--> https://sourceware.org/bugzilla/attachment.cgi?id=10553&action=edit
reproducer.c
Jakub Wilk reported that posix_memalign fails to properly report an error for
allocation sizes close to SIZE_MAX:
Some posix_memalign() calls fail catastrophically:
$ grep memalign test-posix-memalign.c
return posix_memalign(&p, 0x10, SIZE_MAX - 0x20);
$ make test-posix-memalign
cc test-posix-memalign.c -o test-posix-memalign
$ ./test-posix-memalign
*** Error in `./test-posix-memalign': free(): invalid next size (fast):
0x57a96008 ***
...
Backtrace:
#0 0xf7fd7dc9 in __kernel_vsyscall ()
#1 0xf7e2add0 in __libc_signal_restore_set (set=0xffffd160) at
../sysdeps/unix/sysv/linux/nptl-signals.h:79
#2 __GI_raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:48
#3 0xf7e2c297 in __GI_abort () at abort.c:89
#4 0xf7e6638f in __libc_message (do_abort=<optimized out>, fmt=<optimized
out>) at ../sysdeps/posix/libc_fatal.c:175
#5 0xf7e6cfc7 in malloc_printerr (action=<optimized out>, str=0xf7f60318
"free(): invalid next size (fast)", ptr=<optimized out>, ar_ptr=0xf7fb2780
<main_arena>) at malloc.c:5049
#6 0xf7e6d806 in _int_free (av=av@entry=0xf7fb2780 <main_arena>,
p=p@entry=0x56558000, have_lock=have_lock@entry=1) at malloc.c:3905
#7 0xf7e6f8c3 in _int_memalign (av=av@entry=0xf7fb2780 <main_arena>,
alignment=alignment@entry=16, bytes=bytes@entry=4294967263) at malloc.c:4497
#8 0xf7e70eea in _mid_memalign (alignment=16, bytes=4294967263,
address=<optimized out>) at malloc.c:3158
#9 0xf7e71028 in _mid_memalign (alignment=alignment@entry=16,
bytes=bytes@entry=4294967263, address=<optimized out>) at malloc.c:3121
#10 0xf7e72b7f in __posix_memalign (memptr=0xffffd6ac, alignment=16,
size=4294967263) at malloc.c:5071
#11 0x5655556b in main ()
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>From glibc-bugs-return-39512-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 24 08:44:37 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Tue, 24 Oct 2017 08:44:00 -0000
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--- Comment #38 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
Thanks for everyone
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To: glibc-bugs@sourceware.org
Subject: [Bug malloc/22345] New: Free does not seem to free the chunk or does not mark it as free.
Date: Tue, 24 Oct 2017 10:43:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22345
Bug ID: 22345
Summary: Free does not seem to free the chunk or does not mark
it as free.
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
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Created attachment 10554
--> https://sourceware.org/bugzilla/attachment.cgi?id=10554&action=edit
Running same program using different libc
Free does not seem to free the chunk or does not mark it as free.
See attachment, i use version 2.26 on archlinux x86_64.I also tried with an
ubuntu libc 2.26, same result.
I don't know if it's a bug or a feature ..
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Subject: [Bug libc/4980] gethostbyname() etc break for /etc/hosts with both ::1 and 127.0.0.1 localhost entries
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--- Comment #66 from Ulrich Drepper <1asfjwejafwea at gmail dot com> ---
This was my spotlight for Glibc's 9/11.
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Subject: [Bug malloc/22345] Free does not seem to free the chunk or does not mark it as free.
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to ghozt from comment #0)
> Created attachment 10554 [details]
> Running same program using different libc
>
> Free does not seem to free the chunk or does not mark it as free.
>
> See attachment, i use version 2.26 on archlinux x86_64.I also tried with an
> ubuntu libc 2.26, same result.
>
>
> I don't know if it's a bug or a feature ..
How are you deciding that the chunk is not free?
Please see this document for the relevant details:
https://sourceware.org/glibc/wiki/MallocInternals
If that answers your questions, please mark this bug closed.
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>From glibc-bugs-return-39520-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 24 19:21:38 2017
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From: "francois at boisson dot homeip.net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/22345] Free does not seem to free the chunk or does not mark it as free.
Date: Tue, 24 Oct 2017 19:21:00 -0000
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François Boisson <francois at boisson dot homeip.net> changed:
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--- Comment #2 from François Boisson <francois at boisson dot homeip.net> ---
Well, in fact, there is a
free(c) in the programm.
But if we make a malloc of the same size, the chunk is allocate. So
effectively, it is free.
But last bit of the previous size still remains at 1.
So it's not a bug of glibc, but
either I did not read the good doc of glibc
or the doc is not uptime.
Thonks to have read.
I think this can be closed.
PS: I know my english is bad.
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>From glibc-bugs-return-39521-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 24 20:06:37 2017
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Subject: [Bug malloc/22345] Free does not seem to free the chunk or does not mark it as free.
Date: Tue, 24 Oct 2017 20:06:00 -0000
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--- Comment #3 from dj at redhat dot com <dj at redhat dot com> ---
If you are using the latest glibc, you have the per-thread cache enabled.
Chunks stored in the cache are still "in use" as far as the malloc internals
are concerned (i.e. they won't participate in consolidations). To see what I
mean, set GLIBC_TUNABLES=glibc.malloc.tcache_count=0 in your environment to
disable the cache.
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Subject: [Bug libc/22347] New: getrandom() returns the number of bytes that were copied to the buffer even though the comments say "Return 0 on success and -1 on failure."
Date: Tue, 24 Oct 2017 20:22:00 -0000
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Bug ID: 22347
Summary: getrandom() returns the number of bytes that were
copied to the buffer even though the comments say
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Product: glibc
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This is the current comment on line 25 sysdeps/unix/sysv/linux/getrandom.c:
/* Write LENGTH bytes of randomness starting at BUFFER. Return 0 on
success and -1 on failure. */
It could be changed to:
/* Write LENGTH bytes of randomness starting at BUFFER. Return number of
bytes that were copied to the BUFFER on success and -1 on failure. */
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Subject: [Bug malloc/22345] Free does not seem to free the chunk or does not mark it as free.
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--- Comment #4 from François Boisson <francois at boisson dot homeip.net> ---
Really thinks :)
It's a great beginning of explain what happens.
F.B
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Subject: [Bug nptl/21083] robust timed lock may leave other waiters no chance to wake up
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to ma.jiang from comment #0)
> The core logic of this problem is that pthread_mutex_timedlock should set
> the FUTEX_WAITER flag before check timeout. So, the fix to the bug is very
> simple. We just need to move the code block which set the FUTEX_WAITER flag
> forward. I have created a patch to fix(see attachment) , is it ok for trunk?
When you say "latest glibc sources" do you mean that you tested on master? How
recently?
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Subject: [Bug nptl/17463] mutexes owned by a terminated thread are supposed to be owned by an imaginary thread
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--- Comment #2 from Rich Felker <bugdal at aerifal dot cx> ---
One relatively inexpensive way to resolve conformance here is to have threads
keep (in the TCB/TLS) a count of the number of recursive or error-checking
mutexes they currently one which are not robust. Then, at thread exit time, if
the count is not zero, instead of SYS_exit, the thread can zero out its TID,
futex_wake it, and go into an infinite SYS_pause loop with all signals blocked.
This in effect reserves the TID against reuse. Of course it wastes resources in
programs where threads exit with mutexes locked, but the impact on performance
is minimal, and such programs are arguably buggy anyway (certainly so if they
do it an unbounded number of times, since to do so they'd be creating an
unbounded number of mutexes which are not destroyable).
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>From glibc-bugs-return-39526-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 24 23:38:33 2017
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Subject: [Bug math/22227] expm1f gives inaccurate results
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
All the results observed with this test are within 1ulp of the correctly
rounded result, in fact always one of the two floating-point numbers closest to
the mathematical result, which is well inside glibc's documented accuracy
goals, so this report does not disclose a bug in glibc.
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--- Comment #23 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Since you've added FMA versions of several float functions, do you believe any
issue remains here (any more that are appropriate for such optimized versions)?
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>From glibc-bugs-return-39528-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 24 23:40:25 2017
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Subject: [Bug math/21966] AVX2 mathvec functions use FMA without checking
Date: Tue, 24 Oct 2017 23:40:00 -0000
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
If the committed patch fixed this on master, please mark this bug FIXED with
target milestone set appropriately.
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>From glibc-bugs-return-39529-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 25 04:26:33 2017
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From: "ghozt.glider at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/22345] Free does not seem to free the chunk or does not mark it as free.
Date: Wed, 25 Oct 2017 04:26:00 -0000
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ghozt <ghozt.glider at gmail dot com> changed:
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----------------------------------------------------------------------------
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Resolution|INVALID |FIXED
--- Comment #5 from ghozt <ghozt.glider at gmail dot com> ---
(In reply to dj@redhat.com from comment #3)
> If you are using the latest glibc, you have the per-thread cache enabled.
> Chunks stored in the cache are still "in use" as far as the malloc internals
> are concerned (i.e. they won't participate in consolidations). To see what
> I mean, set GLIBC_TUNABLES=glibc.malloc.tcache_count=0 in your environment
> to disable the cache.
Makes sense, thanks for your answer :)
I close the issue.
Regards,
ghozt
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>From glibc-bugs-return-39530-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 25 05:25:18 2017
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Wed, 25 Oct 2017 05:24:00 -0000
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--- Comment #39 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
Please would you like add my email address in the file for those who wants
contact me?
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>From glibc-bugs-return-39531-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 25 08:02:10 2017
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Subject: [Bug malloc/22345] Free does not seem to free the chunk or does not mark it as free.
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-39532-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 25 09:54:57 2017
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Subject: [Bug nptl/21083] robust timed lock may leave other waiters no chance to wake up
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--- Comment #2 from ma.jiang at zte dot com.cn ---
(In reply to Carlos O'Donell from comment #1)
> When you say "latest glibc sources" do you mean that you tested on master?
> How recently?
The patch is for glibc-2.24. I checked the trunk code just now, the bug still
exist. I have not write a testcase to reproduce the bug, it's quite
hard(Although the bug logic is clear)...
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>From glibc-bugs-return-39534-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 25 12:05:08 2017
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Subject: [Bug localedata/20952] yuw_PG: new locale
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9be7530cc0eae4d39b3d59beadc849a3a6942ffe
commit 9be7530cc0eae4d39b3d59beadc849a3a6942ffe
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 13:47:59 2017 +0200
CJK locales: Add fullwidth yYnN to yesexpr and noexpr [BZ #15261]
[BZ #15261]
* localedata/locales/cmn_TW (LC_MESSAGES): Add fullwidth yYnN to
yesexpr and noexpr.
* localedata/locales/hak_TW (LC_MESSAGES): Likewise.
* localedata/locales/ko_KR (LC_MESSAGES): Likewise.
* localedata/locales/lzh_TW (LC_MESSAGES): Likewise.
* localedata/locales/nan_TW (LC_MESSAGES): Likewise.
* localedata/locales/zh_CN (LC_MESSAGES): Likewise.
* localedata/locales/zh_HK (LC_MESSAGES): Likewise.
* localedata/locales/zh_TW (LC_MESSAGES): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ccbf6ff910a7da8ce87c27bdaeb7448c1b3ee2b
commit 6ccbf6ff910a7da8ce87c27bdaeb7448c1b3ee2b
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 13:28:31 2017 +0200
Sync LC_MESSAGES of several locales with CLDR
* localedata/locales/am_ET (LC_MESSAGES): Sync with CLDR.
* localedata/locales/az_AZ (LC_MESSAGES): Likewise.
* localedata/locales/el_GR (LC_MESSAGES): Likewise.
* localedata/locales/ha_NG (LC_MESSAGES): Likewise.
* localedata/locales/ln_CD (LC_MESSAGES): Likewise.
* localedata/locales/mfe_MU (LC_MESSAGES): Likewise.
* localedata/locales/ml_IN (LC_MESSAGES): Likewise.
* localedata/locales/mt_MT (LC_MESSAGES): Likewise.
* localedata/locales/os_RU (LC_MESSAGES): Likewise.
* localedata/locales/tg_TJ (LC_MESSAGES): Likewise.
* localedata/locales/tt_RU (LC_MESSAGES): Likewise.
* localedata/locales/wo_SN (LC_MESSAGES): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58b1a7eaf9099f7db793ecf6718c43ff7f4ec0d4
commit 58b1a7eaf9099f7db793ecf6718c43ff7f4ec0d4
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 10:47:23 2017 +0200
Use ASCII as much as possible in LC_MESSAGES of all locales to improve
readability of the source
* localedata/locales/aa_ET (LC_MESSAGES): Use ASCII as much
as possible for better readability of the source.
* localedata/locales/af_ZA (LC_MESSAGES): Likewise.
* localedata/locales/ak_GH (LC_MESSAGES): Likewise.
* localedata/locales/am_ET (LC_MESSAGES): Likewise.
* localedata/locales/anp_IN (LC_MESSAGES): Likewise.
* localedata/locales/ar_EG (LC_MESSAGES): Likewise.
* localedata/locales/as_IN (LC_MESSAGES): Likewise.
* localedata/locales/ast_ES (LC_MESSAGES): Likewise.
* localedata/locales/ayc_PE (LC_MESSAGES): Likewise.
* localedata/locales/az_AZ (LC_MESSAGES): Likewise.
* localedata/locales/az_IR (LC_MESSAGES): Likewise.
* localedata/locales/be_BY (LC_MESSAGES): Likewise.
* localedata/locales/be_BY@latin (LC_MESSAGES): Likewise.
* localedata/locales/bem_ZM (LC_MESSAGES): Likewise.
* localedata/locales/ber_MA (LC_MESSAGES): Likewise.
* localedata/locales/bg_BG (LC_MESSAGES): Likewise.
* localedata/locales/bhb_IN (LC_MESSAGES): Likewise.
* localedata/locales/bi_VU (LC_MESSAGES): Likewise.
* localedata/locales/bo_CN (LC_MESSAGES): Likewise.
* localedata/locales/br_FR (LC_MESSAGES): Likewise.
* localedata/locales/bs_BA (LC_MESSAGES): Likewise.
* localedata/locales/ca_ES (LC_MESSAGES): Likewise.
* localedata/locales/ce_RU (LC_MESSAGES): Likewise.
* localedata/locales/crh_UA (LC_MESSAGES): Likewise.
* localedata/locales/cs_CZ (LC_MESSAGES): Likewise.
* localedata/locales/csb_PL (LC_MESSAGES): Likewise.
* localedata/locales/cv_RU (LC_MESSAGES): Likewise.
* localedata/locales/cy_GB (LC_MESSAGES): Likewise.
* localedata/locales/da_DK (LC_MESSAGES): Likewise.
* localedata/locales/de_DE (LC_MESSAGES): Likewise.
* localedata/locales/dv_MV (LC_MESSAGES): Likewise.
* localedata/locales/dz_BT (LC_MESSAGES): Likewise.
* localedata/locales/el_GR (LC_MESSAGES): Likewise.
* localedata/locales/en_CA (LC_MESSAGES): Likewise.
* localedata/locales/en_US (LC_MESSAGES): Likewise.
* localedata/locales/es_ES (LC_MESSAGES): Likewise.
* localedata/locales/et_EE (LC_MESSAGES): Likewise.
* localedata/locales/eu_ES (LC_MESSAGES): Likewise.
* localedata/locales/fa_IR (LC_MESSAGES): Likewise.
* localedata/locales/ff_SN (LC_MESSAGES): Likewise.
* localedata/locales/fi_FI (LC_MESSAGES): Likewise.
* localedata/locales/fil_PH (LC_MESSAGES): Likewise.
* localedata/locales/fo_FO (LC_MESSAGES): Likewise.
* localedata/locales/fr_BE (LC_MESSAGES): Likewise.
* localedata/locales/fr_CH (LC_MESSAGES): Likewise.
* localedata/locales/fr_FR (LC_MESSAGES): Likewise.
* localedata/locales/fr_LU (LC_MESSAGES): Likewise.
* localedata/locales/fur_IT (LC_MESSAGES): Likewise.
* localedata/locales/fy_DE (LC_MESSAGES): Likewise.
* localedata/locales/ga_IE (LC_MESSAGES): Likewise.
* localedata/locales/gd_GB (LC_MESSAGES): Likewise.
* localedata/locales/gl_ES (LC_MESSAGES): Likewise.
* localedata/locales/gu_IN (LC_MESSAGES): Likewise.
* localedata/locales/gv_GB (LC_MESSAGES): Likewise.
* localedata/locales/ha_NG (LC_MESSAGES): Likewise.
* localedata/locales/hak_TW (LC_MESSAGES): Likewise.
* localedata/locales/he_IL (LC_MESSAGES): Likewise.
* localedata/locales/hif_FJ (LC_MESSAGES): Likewise.
* localedata/locales/hne_IN (LC_MESSAGES): Likewise.
* localedata/locales/hr_HR (LC_MESSAGES): Likewise.
* localedata/locales/hsb_DE (LC_MESSAGES): Likewise.
* localedata/locales/ht_HT (LC_MESSAGES): Likewise.
* localedata/locales/hu_HU (LC_MESSAGES): Likewise.
* localedata/locales/hy_AM (LC_MESSAGES): Likewise.
* localedata/locales/ia_FR (LC_MESSAGES): Likewise.
* localedata/locales/id_ID (LC_MESSAGES): Likewise.
* localedata/locales/ig_NG (LC_MESSAGES): Likewise.
* localedata/locales/ik_CA (LC_MESSAGES): Likewise.
* localedata/locales/is_IS (LC_MESSAGES): Likewise.
* localedata/locales/it_CH (LC_MESSAGES): Likewise.
* localedata/locales/it_IT (LC_MESSAGES): Likewise.
* localedata/locales/iu_CA (LC_MESSAGES): Likewise.
* localedata/locales/ja_JP (LC_MESSAGES): Likewise.
* localedata/locales/kk_KZ (LC_MESSAGES): Likewise.
* localedata/locales/kl_GL (LC_MESSAGES): Likewise.
* localedata/locales/ko_KR (LC_MESSAGES): Likewise.
* localedata/locales/ks_IN (LC_MESSAGES): Likewise.
* localedata/locales/ku_TR (LC_MESSAGES): Likewise.
* localedata/locales/kw_GB (LC_MESSAGES): Likewise.
* localedata/locales/ky_KG (LC_MESSAGES): Likewise.
* localedata/locales/lb_LU (LC_MESSAGES): Likewise.
* localedata/locales/lg_UG (LC_MESSAGES): Likewise.
* localedata/locales/li_NL (LC_MESSAGES): Likewise.
* localedata/locales/lij_IT (LC_MESSAGES): Likewise.
* localedata/locales/ln_CD (LC_MESSAGES): Likewise.
* localedata/locales/lo_LA (LC_MESSAGES): Likewise.
* localedata/locales/lt_LT (LC_MESSAGES): Likewise.
* localedata/locales/lv_LV (LC_MESSAGES): Likewise.
* localedata/locales/lzh_TW (LC_MESSAGES): Likewise.
* localedata/locales/mg_MG (LC_MESSAGES): Likewise.
* localedata/locales/mhr_RU (LC_MESSAGES): Likewise.
* localedata/locales/mi_NZ (LC_MESSAGES): Likewise.
* localedata/locales/mk_MK (LC_MESSAGES): Likewise.
* localedata/locales/ml_IN (LC_MESSAGES): Likewise.
* localedata/locales/mn_MN (LC_MESSAGES): Likewise.
* localedata/locales/ms_MY (LC_MESSAGES): Likewise.
* localedata/locales/mt_MT (LC_MESSAGES): Likewise.
* localedata/locales/my_MM (LC_MESSAGES): Likewise.
* localedata/locales/nan_TW (LC_MESSAGES): Likewise.
* localedata/locales/nan_TW@latin (LC_MESSAGES): Likewise.
* localedata/locales/nb_NO (LC_MESSAGES): Likewise.
* localedata/locales/nds_DE (LC_MESSAGES): Likewise.
* localedata/locales/nds_NL (LC_MESSAGES): Likewise.
* localedata/locales/ne_NP (LC_MESSAGES): Likewise.
* localedata/locales/nhn_MX (LC_MESSAGES): Likewise.
* localedata/locales/niu_NU (LC_MESSAGES): Likewise.
* localedata/locales/nl_NL (LC_MESSAGES): Likewise.
* localedata/locales/nn_NO (LC_MESSAGES): Likewise.
* localedata/locales/nr_ZA (LC_MESSAGES): Likewise.
* localedata/locales/nso_ZA (LC_MESSAGES): Likewise.
* localedata/locales/oc_FR (LC_MESSAGES): Likewise.
* localedata/locales/om_ET (LC_MESSAGES): Likewise.
* localedata/locales/or_IN (LC_MESSAGES): Likewise.
* localedata/locales/os_RU (LC_MESSAGES): Likewise.
* localedata/locales/pa_IN (LC_MESSAGES): Likewise.
* localedata/locales/pa_PK (LC_MESSAGES): Likewise.
* localedata/locales/pap_AW (LC_MESSAGES): Likewise.
* localedata/locales/pap_CW (LC_MESSAGES): Likewise.
* localedata/locales/pl_PL (LC_MESSAGES): Likewise.
* localedata/locales/ps_AF (LC_MESSAGES): Likewise.
* localedata/locales/pt_BR (LC_MESSAGES): Likewise.
* localedata/locales/quz_PE (LC_MESSAGES): Likewise.
* localedata/locales/raj_IN (LC_MESSAGES): Likewise.
* localedata/locales/ro_RO (LC_MESSAGES): Likewise.
* localedata/locales/ru_RU (LC_MESSAGES): Likewise.
* localedata/locales/ru_UA (LC_MESSAGES): Likewise.
* localedata/locales/rw_RW (LC_MESSAGES): Likewise.
* localedata/locales/sa_IN (LC_MESSAGES): Likewise.
* localedata/locales/sc_IT (LC_MESSAGES): Likewise.
* localedata/locales/sd_IN@devanagari (LC_MESSAGES): Likewise.
* localedata/locales/se_NO (LC_MESSAGES): Likewise.
* localedata/locales/sgs_LT (LC_MESSAGES): Likewise.
* localedata/locales/si_LK (LC_MESSAGES): Likewise.
* localedata/locales/sk_SK (LC_MESSAGES): Likewise.
* localedata/locales/sl_SI (LC_MESSAGES): Likewise.
* localedata/locales/sm_WS (LC_MESSAGES): Likewise.
* localedata/locales/so_DJ (LC_MESSAGES): Likewise.
* localedata/locales/sq_AL (LC_MESSAGES): Likewise.
* localedata/locales/sr_RS (LC_MESSAGES): Likewise.
* localedata/locales/sr_RS@latin (LC_MESSAGES): Likewise.
* localedata/locales/ss_ZA (LC_MESSAGES): Likewise.
* localedata/locales/st_ZA (LC_MESSAGES): Likewise.
* localedata/locales/sv_SE (LC_MESSAGES): Likewise.
* localedata/locales/sw_KE (LC_MESSAGES): Likewise.
* localedata/locales/szl_PL (LC_MESSAGES): Likewise.
* localedata/locales/tcy_IN (LC_MESSAGES): Likewise.
* localedata/locales/tg_TJ (LC_MESSAGES): Likewise.
* localedata/locales/th_TH (LC_MESSAGES): Likewise.
* localedata/locales/the_NP (LC_MESSAGES): Likewise.
* localedata/locales/ti_ER (LC_MESSAGES): Likewise.
* localedata/locales/tk_TM (LC_MESSAGES): Likewise.
* localedata/locales/tn_ZA (LC_MESSAGES): Likewise.
* localedata/locales/to_TO (LC_MESSAGES): Likewise.
* localedata/locales/tr_TR (LC_MESSAGES): Likewise.
* localedata/locales/ts_ZA (LC_MESSAGES): Likewise.
* localedata/locales/tt_RU (LC_MESSAGES): Likewise.
* localedata/locales/tt_RU@iqtelif (LC_MESSAGES): Likewise.
* localedata/locales/uk_UA (LC_MESSAGES): Likewise.
* localedata/locales/unm_US (LC_MESSAGES): Likewise.
* localedata/locales/ur_IN (LC_MESSAGES): Likewise.
* localedata/locales/ur_PK (LC_MESSAGES): Likewise.
* localedata/locales/uz_UZ (LC_MESSAGES): Likewise.
* localedata/locales/uz_UZ@cyrillic (LC_MESSAGES): Likewise.
* localedata/locales/ve_ZA (LC_MESSAGES): Likewise.
* localedata/locales/vi_VN (LC_MESSAGES): Likewise.
* localedata/locales/wa_BE (LC_MESSAGES): Likewise.
* localedata/locales/wo_SN (LC_MESSAGES): Likewise.
* localedata/locales/xh_ZA (LC_MESSAGES): Likewise.
* localedata/locales/yi_US (LC_MESSAGES): Likewise.
* localedata/locales/yo_NG (LC_MESSAGES): Likewise.
* localedata/locales/yue_HK (LC_MESSAGES): Likewise.
* localedata/locales/zh_CN (LC_MESSAGES): Likewise.
* localedata/locales/zh_HK (LC_MESSAGES): Likewise.
* localedata/locales/zh_TW (LC_MESSAGES): Likewise.
* localedata/locales/zu_ZA (LC_MESSAGES): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=17e78edb814dfd90328efbc984e37cd4f70ef251
commit 17e78edb814dfd90328efbc984e37cd4f70ef251
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 10:40:20 2017 +0200
brx_IN locale: Fix yesexpr and noexpr
* localedata/locales/brx_IN (LC_MESSAGES): Fix yesexpr and noexpr
(Use first letters of yesstr and nostr correctly instead of using
full words).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=74e7284fe1d4be0e7eb3eb3ba9908eb7d0f04e3f
commit 74e7284fe1d4be0e7eb3eb3ba9908eb7d0f04e3f
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 10:35:19 2017 +0200
ta_IN locale: Fix yesexpr and noexpr
* localedata/locales/ta_IN (LC_MESSAGES): Fix yesexpr and noexpr
(Use first letters of yesstr and nostr correctly).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b41a0ff1c829f907cdc5412079b539e172ccb9bc
commit b41a0ff1c829f907cdc5412079b539e172ccb9bc
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 10:06:31 2017 +0200
hi_IN, kn_IN, ks_IN@devanagari locales: In yesexpr and noexpr, also check
for the first characters of yesstr and nostr
* localedata/locales/hi_IN (LC_MESSAGES): In yesexpr and noexpr,
also check for the first characters of yesstr and nostr.
* localedata/locales/kn_IN (LC_MESSAGES): Likewise.
* localedata/locales/ks_IN@devanagari (LC_MESSAGES): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d971f380029b888c9194663aa4373e1f6e1b9cad
commit d971f380029b888c9194663aa4373e1f6e1b9cad
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 09:58:59 2017 +0200
cmn_TW locale: Improve yesexpr and noexpr
* localedata/locales/cmn_TW (LC_MESSAGES): In yesexpr and noexpr,
also check for Chinese characters.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=effc9e1d50912d4bc58e189ed30017bb596878b9
commit effc9e1d50912d4bc58e189ed30017bb596878b9
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 09:56:21 2017 +0200
chr_US locale: Fix yesexpr and noexpr
* localedata/locales/chr_US (LC_MESSAGES): In yesexpr and noexpr,
match also for the contents of yesstr and nostr. As the first letter
of yesstr and nostr is equal, checking only for the first letter
is not enough.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=10320881d8ecd47b542b8e5ca42fdb1aa5516bbf
commit 10320881d8ecd47b542b8e5ca42fdb1aa5516bbf
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 09:31:26 2017 +0200
ber_DZ locale: Use copy “"kab_DZ"” in LC_MESSAGES.
* localedata/locales/ber_DZ (LC_MESSAGES): Use copy "kab_DZ",
it is the same according to Belkacem Mohammed <belkacem77@gmail.com>.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d8682a15d0c4903c4b687befcaf763d87c8f1993
commit d8682a15d0c4903c4b687befcaf763d87c8f1993
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 09:25:11 2017 +0200
kab_DZ locale: Add e-mail of main contributor
* localedata/locales/kab_DZ (LC_IDENTIFICATION): Add e-mail
of main contributor.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1bfb86aeb4fd66d09d3ff0bd3025b19ac383b9f6
commit 1bfb86aeb4fd66d09d3ff0bd3025b19ac383b9f6
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 09:15:33 2017 +0200
zh_SG locale: Use copy "zh_CN" in LC_MESSAGES instead of English
* localedata/locales/zh_SG (LC_MESSAGES): Use copy "zh_CN"
instead of using English.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=da33d60bbec1279b7918bd8e4de82677575a32b4
commit da33d60bbec1279b7918bd8e4de82677575a32b4
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 08:34:21 2017 +0200
ug_CN locale: Fix noexpr and yesexpr
* localedata/locales/ug_CN (LC_MESSAGES): Fix noexpr and yesexpr
by including the first letters of nostr and yesexpr in the regexp.
Also make it more readable by using ASCII where possible.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=725bbb3e18debf1e46d15bbf11da6393035aad5c
commit 725bbb3e18debf1e46d15bbf11da6393035aad5c
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 08:17:24 2017 +0200
ti_IN locale: Fix noexpr
* localedata/locales/te_IN (LC_MESSAGES): Fix noexpr by including
the first letter of nostr in the regexp. It agrees with CLDR now.
Also make it more readable by using ASCII where possible.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fe043d8af2aac18246eac87b6ace24bf021806e7
commit fe043d8af2aac18246eac87b6ace24bf021806e7
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Oct 24 16:37:36 2017 +0200
km_KH locale: Fix yesstr and nostr.
* localedata/locales/km_KH (LC_MESSAGES): Fix yestr and nostr.
The yesstr and nostr apparently came from CLDR. And CLDR has a bug
there:
these strings contain a U+17D6 (which somewhat looks like a colon)
instead of a real colon to separate the full words for “yes”
and “no” from the single letter responses.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=360a8df3af57489b1c9467b46c72fe45f1225979
commit 360a8df3af57489b1c9467b46c72fe45f1225979
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Oct 24 16:20:55 2017 +0200
ka_GE locale: Fix yesexp to make it agree with CLDR.
* localedata/locales/ka_GE (LC_MESSAGES): Fix yesexp to make
it agree with CLDR (include the first letter of yesstr).
Also make it more readable by using ASCII where possible.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bab7b6b0a6474cf517a372aca2e2911ae907f96a
commit bab7b6b0a6474cf517a372aca2e2911ae907f96a
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Oct 24 14:06:05 2017 +0200
mr_IN locale: Fix yesstr and nostr and improve yesexpr and noexpr.
* localedata/locales/mr_IN (LC_MESSAGES): Fix yesstr and nostr
and improve yesexpr and noexpr. The yesstr and nostr apparently
came from CLDR. And CLDR has a bug there: these strings contain
a U+0903 (which looks like a colon) instead of a real colon
to separate the full words for “yes” and “no” from the single
letter responses.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e79f758191d11e60cdf1975ece322831c73ede4
commit 3e79f758191d11e60cdf1975ece322831c73ede4
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Oct 24 11:56:18 2017 +0200
bn_BD locale: Use only the first letters of the full yesstr and nostr in
yesexpr and noexpr
Using all characters of the full words for yes and no in yesexpr and noexpr
makes no sense here, especially not because the words for yes and no
share one character.
* localedata/locales/bn_BD (LC_MESSAGES): Use only the first
letters of the full yesstr and nostr in yesexpr and noexpr.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4960c87929ec76f02ad183f2110dac0db99bbf22
commit 4960c87929ec76f02ad183f2110dac0db99bbf22
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Oct 24 09:07:18 2017 +0200
Add yesstr, nostr, lang_term, lang_lib to an_ES locale
* localedata/locales/an_ES (LC_MESSAGES): Add yesstr and nostr.
* localedata/locales/an_ES (LC_ADDRESS): Add lang_term and lang_lib.
* localedata/locales/an_ES: Make source more readable by using ASCII
where possible.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b06a054f5822a61b94e88f595a99e358d0ad2f34
commit b06a054f5822a61b94e88f595a99e358d0ad2f34
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Oct 23 19:03:23 2017 +0200
Add new locale yuw_PG [BZ #20952]
[BZ #20952]
* localedata/locales/yuw_PG: New file.
* localedata/SUPPORTED: Add yuw_PG/UTF-8.
* locale/iso-639.def: Add Yau (Uruwa).
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 306 +++++++++++++++++++++++++++++++++++
locale/iso-639.def | 1 +
localedata/SUPPORTED | 1 +
localedata/locales/aa_ET | 8 +-
localedata/locales/af_ZA | 8 +-
localedata/locales/ak_GH | 8 +-
localedata/locales/am_ET | 4 +-
localedata/locales/an_ES | 90 +++++------
localedata/locales/anp_IN | 4 +-
localedata/locales/ar_EG | 4 +-
localedata/locales/as_IN | 4 +-
localedata/locales/ast_ES | 8 +-
localedata/locales/ayc_PE | 8 +-
localedata/locales/az_AZ | 16 ++-
localedata/locales/az_IR | 4 +-
localedata/locales/be_BY | 4 +-
localedata/locales/be_BY@latin | 4 +-
localedata/locales/bem_ZM | 8 +-
localedata/locales/ber_DZ | 7 +-
localedata/locales/ber_MA | 11 +-
localedata/locales/bg_BG | 4 +-
localedata/locales/bhb_IN | 4 +-
localedata/locales/bi_VU | 8 +-
localedata/locales/bn_BD | 4 +-
localedata/locales/bo_CN | 4 +-
localedata/locales/br_FR | 8 +-
localedata/locales/brx_IN | 6 +-
localedata/locales/bs_BA | 8 +-
localedata/locales/ca_ES | 8 +-
localedata/locales/ce_RU | 4 +-
localedata/locales/chr_US | 4 +-
localedata/locales/cmn_TW | 6 +-
localedata/locales/crh_UA | 8 +-
localedata/locales/cs_CZ | 8 +-
localedata/locales/csb_PL | 4 +-
localedata/locales/cv_RU | 4 +-
localedata/locales/cy_GB | 8 +-
localedata/locales/da_DK | 8 +-
localedata/locales/de_DE | 8 +-
localedata/locales/dv_MV | 4 +-
localedata/locales/dz_BT | 4 +-
localedata/locales/el_GR | 4 +-
localedata/locales/en_CA | 8 +-
localedata/locales/en_US | 8 +-
localedata/locales/es_ES | 8 +-
localedata/locales/et_EE | 8 +-
localedata/locales/eu_ES | 8 +-
localedata/locales/fa_IR | 4 +-
localedata/locales/ff_SN | 8 +-
localedata/locales/fi_FI | 8 +-
localedata/locales/fil_PH | 8 +-
localedata/locales/fo_FO | 8 +-
localedata/locales/fr_BE | 8 +-
localedata/locales/fr_CH | 8 +-
localedata/locales/fr_FR | 8 +-
localedata/locales/fr_LU | 8 +-
localedata/locales/fur_IT | 8 +-
localedata/locales/fy_DE | 8 +-
localedata/locales/ga_IE | 8 +-
localedata/locales/gd_GB | 8 +-
localedata/locales/gl_ES | 8 +-
localedata/locales/gu_IN | 4 +-
localedata/locales/gv_GB | 4 +-
localedata/locales/ha_NG | 8 +-
localedata/locales/hak_TW | 8 +-
localedata/locales/he_IL | 4 +-
localedata/locales/hi_IN | 4 +-
localedata/locales/hif_FJ | 10 +-
localedata/locales/hne_IN | 4 +-
localedata/locales/hr_HR | 8 +-
localedata/locales/hsb_DE | 8 +-
localedata/locales/ht_HT | 8 +-
localedata/locales/hu_HU | 8 +-
localedata/locales/hy_AM | 4 +-
localedata/locales/ia_FR | 8 +-
localedata/locales/id_ID | 8 +-
localedata/locales/ig_NG | 8 +-
localedata/locales/ik_CA | 8 +-
localedata/locales/is_IS | 8 +-
localedata/locales/it_CH | 8 +-
localedata/locales/it_IT | 8 +-
localedata/locales/iu_CA | 4 +-
localedata/locales/ja_JP | 6 +-
localedata/locales/ka_GE | 4 +-
localedata/locales/kab_DZ | 3 +-
localedata/locales/kk_KZ | 4 +-
localedata/locales/kl_GL | 8 +-
localedata/locales/km_KH | 4 +-
localedata/locales/kn_IN | 4 +-
localedata/locales/ko_KR | 4 +-
localedata/locales/ks_IN | 4 +-
localedata/locales/ks_IN@devanagari | 4 +-
localedata/locales/ku_TR | 8 +-
localedata/locales/kw_GB | 8 +-
localedata/locales/ky_KG | 4 +-
localedata/locales/lb_LU | 8 +-
localedata/locales/lg_UG | 8 +-
localedata/locales/li_NL | 4 +-
localedata/locales/lij_IT | 4 +-
localedata/locales/ln_CD | 8 +-
localedata/locales/lo_LA | 4 +-
localedata/locales/lt_LT | 8 +-
localedata/locales/lv_LV | 8 +-
localedata/locales/lzh_TW | 8 +-
localedata/locales/mfe_MU | 6 +-
localedata/locales/mg_MG | 8 +-
localedata/locales/mhr_RU | 4 +-
localedata/locales/mi_NZ | 8 +-
localedata/locales/mk_MK | 5 +-
localedata/locales/ml_IN | 6 +-
localedata/locales/mn_MN | 4 +-
localedata/locales/mr_IN | 10 +-
localedata/locales/ms_MY | 8 +-
localedata/locales/mt_MT | 10 +-
localedata/locales/my_MM | 4 +-
localedata/locales/nan_TW | 8 +-
localedata/locales/nan_TW@latin | 8 +-
localedata/locales/nb_NO | 8 +-
localedata/locales/nds_DE | 8 +-
localedata/locales/nds_NL | 8 +-
localedata/locales/ne_NP | 4 +-
localedata/locales/nhn_MX | 8 +-
localedata/locales/niu_NU | 8 +-
localedata/locales/nl_NL | 8 +-
localedata/locales/nn_NO | 8 +-
localedata/locales/nr_ZA | 4 +-
localedata/locales/nso_ZA | 4 +-
localedata/locales/oc_FR | 4 +-
localedata/locales/om_ET | 10 +-
localedata/locales/or_IN | 5 +-
localedata/locales/os_RU | 4 +-
localedata/locales/pa_IN | 4 +-
localedata/locales/pa_PK | 6 +-
localedata/locales/pap_AW | 8 +-
localedata/locales/pap_CW | 8 +-
localedata/locales/pl_PL | 8 +-
localedata/locales/ps_AF | 4 +-
localedata/locales/pt_BR | 8 +-
localedata/locales/quz_PE | 8 +-
localedata/locales/raj_IN | 4 +-
localedata/locales/ro_RO | 8 +-
localedata/locales/ru_RU | 4 +-
localedata/locales/ru_UA | 5 +-
localedata/locales/rw_RW | 4 +-
localedata/locales/sa_IN | 4 +-
localedata/locales/sc_IT | 10 +-
localedata/locales/sd_IN@devanagari | 4 +-
localedata/locales/se_NO | 8 +-
localedata/locales/sgs_LT | 8 +-
localedata/locales/si_LK | 4 +-
localedata/locales/sk_SK | 8 +-
localedata/locales/sl_SI | 8 +-
localedata/locales/sm_WS | 14 +--
localedata/locales/so_DJ | 8 +-
localedata/locales/sq_AL | 8 +-
localedata/locales/sr_RS | 4 +-
localedata/locales/sr_RS@latin | 8 +-
localedata/locales/ss_ZA | 4 +-
localedata/locales/st_ZA | 4 +-
localedata/locales/sv_SE | 8 +-
localedata/locales/sw_KE | 8 +-
localedata/locales/szl_PL | 4 +-
localedata/locales/ta_IN | 4 +-
localedata/locales/tcy_IN | 4 +-
localedata/locales/te_IN | 4 +-
localedata/locales/tg_TJ | 8 +-
localedata/locales/th_TH | 4 +-
localedata/locales/the_NP | 4 +-
localedata/locales/ti_ER | 4 +-
localedata/locales/tk_TM | 8 +-
localedata/locales/tn_ZA | 4 +-
localedata/locales/to_TO | 12 +-
localedata/locales/tr_TR | 8 +-
localedata/locales/ts_ZA | 10 +-
localedata/locales/tt_RU | 4 +-
localedata/locales/tt_RU@iqtelif | 8 +-
localedata/locales/ug_CN | 4 +-
localedata/locales/uk_UA | 28 ++--
localedata/locales/unm_US | 4 +-
localedata/locales/ur_IN | 4 +-
localedata/locales/ur_PK | 6 +-
localedata/locales/uz_UZ | 9 +-
localedata/locales/uz_UZ@cyrillic | 5 +-
localedata/locales/ve_ZA | 4 +-
localedata/locales/vi_VN | 8 +-
localedata/locales/wa_BE | 8 +-
localedata/locales/wo_SN | 6 +-
localedata/locales/xh_ZA | 8 +-
localedata/locales/yi_US | 4 +-
localedata/locales/yo_NG | 8 +-
localedata/locales/yue_HK | 4 +-
localedata/locales/yuw_PG | 153 +++++++++++++++++
localedata/locales/zh_CN | 4 +-
localedata/locales/zh_HK | 4 +-
localedata/locales/zh_SG | 5 +-
localedata/locales/zh_TW | 8 +-
localedata/locales/zu_ZA | 8 +-
197 files changed, 1120 insertions(+), 692 deletions(-)
create mode 100644 localedata/locales/yuw_PG
--
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/15261] LC_MESSAGES.yesexpr/noexpr: inconsistent use of full-width Latin characters
Date: Wed, 25 Oct 2017 12:05:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=15261
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9be7530cc0eae4d39b3d59beadc849a3a6942ffe
commit 9be7530cc0eae4d39b3d59beadc849a3a6942ffe
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 13:47:59 2017 +0200
CJK locales: Add fullwidth yYnN to yesexpr and noexpr [BZ #15261]
[BZ #15261]
* localedata/locales/cmn_TW (LC_MESSAGES): Add fullwidth yYnN to
yesexpr and noexpr.
* localedata/locales/hak_TW (LC_MESSAGES): Likewise.
* localedata/locales/ko_KR (LC_MESSAGES): Likewise.
* localedata/locales/lzh_TW (LC_MESSAGES): Likewise.
* localedata/locales/nan_TW (LC_MESSAGES): Likewise.
* localedata/locales/zh_CN (LC_MESSAGES): Likewise.
* localedata/locales/zh_HK (LC_MESSAGES): Likewise.
* localedata/locales/zh_TW (LC_MESSAGES): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ccbf6ff910a7da8ce87c27bdaeb7448c1b3ee2b
commit 6ccbf6ff910a7da8ce87c27bdaeb7448c1b3ee2b
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 13:28:31 2017 +0200
Sync LC_MESSAGES of several locales with CLDR
* localedata/locales/am_ET (LC_MESSAGES): Sync with CLDR.
* localedata/locales/az_AZ (LC_MESSAGES): Likewise.
* localedata/locales/el_GR (LC_MESSAGES): Likewise.
* localedata/locales/ha_NG (LC_MESSAGES): Likewise.
* localedata/locales/ln_CD (LC_MESSAGES): Likewise.
* localedata/locales/mfe_MU (LC_MESSAGES): Likewise.
* localedata/locales/ml_IN (LC_MESSAGES): Likewise.
* localedata/locales/mt_MT (LC_MESSAGES): Likewise.
* localedata/locales/os_RU (LC_MESSAGES): Likewise.
* localedata/locales/tg_TJ (LC_MESSAGES): Likewise.
* localedata/locales/tt_RU (LC_MESSAGES): Likewise.
* localedata/locales/wo_SN (LC_MESSAGES): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58b1a7eaf9099f7db793ecf6718c43ff7f4ec0d4
commit 58b1a7eaf9099f7db793ecf6718c43ff7f4ec0d4
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 10:47:23 2017 +0200
Use ASCII as much as possible in LC_MESSAGES of all locales to improve
readability of the source
* localedata/locales/aa_ET (LC_MESSAGES): Use ASCII as much
as possible for better readability of the source.
* localedata/locales/af_ZA (LC_MESSAGES): Likewise.
* localedata/locales/ak_GH (LC_MESSAGES): Likewise.
* localedata/locales/am_ET (LC_MESSAGES): Likewise.
* localedata/locales/anp_IN (LC_MESSAGES): Likewise.
* localedata/locales/ar_EG (LC_MESSAGES): Likewise.
* localedata/locales/as_IN (LC_MESSAGES): Likewise.
* localedata/locales/ast_ES (LC_MESSAGES): Likewise.
* localedata/locales/ayc_PE (LC_MESSAGES): Likewise.
* localedata/locales/az_AZ (LC_MESSAGES): Likewise.
* localedata/locales/az_IR (LC_MESSAGES): Likewise.
* localedata/locales/be_BY (LC_MESSAGES): Likewise.
* localedata/locales/be_BY@latin (LC_MESSAGES): Likewise.
* localedata/locales/bem_ZM (LC_MESSAGES): Likewise.
* localedata/locales/ber_MA (LC_MESSAGES): Likewise.
* localedata/locales/bg_BG (LC_MESSAGES): Likewise.
* localedata/locales/bhb_IN (LC_MESSAGES): Likewise.
* localedata/locales/bi_VU (LC_MESSAGES): Likewise.
* localedata/locales/bo_CN (LC_MESSAGES): Likewise.
* localedata/locales/br_FR (LC_MESSAGES): Likewise.
* localedata/locales/bs_BA (LC_MESSAGES): Likewise.
* localedata/locales/ca_ES (LC_MESSAGES): Likewise.
* localedata/locales/ce_RU (LC_MESSAGES): Likewise.
* localedata/locales/crh_UA (LC_MESSAGES): Likewise.
* localedata/locales/cs_CZ (LC_MESSAGES): Likewise.
* localedata/locales/csb_PL (LC_MESSAGES): Likewise.
* localedata/locales/cv_RU (LC_MESSAGES): Likewise.
* localedata/locales/cy_GB (LC_MESSAGES): Likewise.
* localedata/locales/da_DK (LC_MESSAGES): Likewise.
* localedata/locales/de_DE (LC_MESSAGES): Likewise.
* localedata/locales/dv_MV (LC_MESSAGES): Likewise.
* localedata/locales/dz_BT (LC_MESSAGES): Likewise.
* localedata/locales/el_GR (LC_MESSAGES): Likewise.
* localedata/locales/en_CA (LC_MESSAGES): Likewise.
* localedata/locales/en_US (LC_MESSAGES): Likewise.
* localedata/locales/es_ES (LC_MESSAGES): Likewise.
* localedata/locales/et_EE (LC_MESSAGES): Likewise.
* localedata/locales/eu_ES (LC_MESSAGES): Likewise.
* localedata/locales/fa_IR (LC_MESSAGES): Likewise.
* localedata/locales/ff_SN (LC_MESSAGES): Likewise.
* localedata/locales/fi_FI (LC_MESSAGES): Likewise.
* localedata/locales/fil_PH (LC_MESSAGES): Likewise.
* localedata/locales/fo_FO (LC_MESSAGES): Likewise.
* localedata/locales/fr_BE (LC_MESSAGES): Likewise.
* localedata/locales/fr_CH (LC_MESSAGES): Likewise.
* localedata/locales/fr_FR (LC_MESSAGES): Likewise.
* localedata/locales/fr_LU (LC_MESSAGES): Likewise.
* localedata/locales/fur_IT (LC_MESSAGES): Likewise.
* localedata/locales/fy_DE (LC_MESSAGES): Likewise.
* localedata/locales/ga_IE (LC_MESSAGES): Likewise.
* localedata/locales/gd_GB (LC_MESSAGES): Likewise.
* localedata/locales/gl_ES (LC_MESSAGES): Likewise.
* localedata/locales/gu_IN (LC_MESSAGES): Likewise.
* localedata/locales/gv_GB (LC_MESSAGES): Likewise.
* localedata/locales/ha_NG (LC_MESSAGES): Likewise.
* localedata/locales/hak_TW (LC_MESSAGES): Likewise.
* localedata/locales/he_IL (LC_MESSAGES): Likewise.
* localedata/locales/hif_FJ (LC_MESSAGES): Likewise.
* localedata/locales/hne_IN (LC_MESSAGES): Likewise.
* localedata/locales/hr_HR (LC_MESSAGES): Likewise.
* localedata/locales/hsb_DE (LC_MESSAGES): Likewise.
* localedata/locales/ht_HT (LC_MESSAGES): Likewise.
* localedata/locales/hu_HU (LC_MESSAGES): Likewise.
* localedata/locales/hy_AM (LC_MESSAGES): Likewise.
* localedata/locales/ia_FR (LC_MESSAGES): Likewise.
* localedata/locales/id_ID (LC_MESSAGES): Likewise.
* localedata/locales/ig_NG (LC_MESSAGES): Likewise.
* localedata/locales/ik_CA (LC_MESSAGES): Likewise.
* localedata/locales/is_IS (LC_MESSAGES): Likewise.
* localedata/locales/it_CH (LC_MESSAGES): Likewise.
* localedata/locales/it_IT (LC_MESSAGES): Likewise.
* localedata/locales/iu_CA (LC_MESSAGES): Likewise.
* localedata/locales/ja_JP (LC_MESSAGES): Likewise.
* localedata/locales/kk_KZ (LC_MESSAGES): Likewise.
* localedata/locales/kl_GL (LC_MESSAGES): Likewise.
* localedata/locales/ko_KR (LC_MESSAGES): Likewise.
* localedata/locales/ks_IN (LC_MESSAGES): Likewise.
* localedata/locales/ku_TR (LC_MESSAGES): Likewise.
* localedata/locales/kw_GB (LC_MESSAGES): Likewise.
* localedata/locales/ky_KG (LC_MESSAGES): Likewise.
* localedata/locales/lb_LU (LC_MESSAGES): Likewise.
* localedata/locales/lg_UG (LC_MESSAGES): Likewise.
* localedata/locales/li_NL (LC_MESSAGES): Likewise.
* localedata/locales/lij_IT (LC_MESSAGES): Likewise.
* localedata/locales/ln_CD (LC_MESSAGES): Likewise.
* localedata/locales/lo_LA (LC_MESSAGES): Likewise.
* localedata/locales/lt_LT (LC_MESSAGES): Likewise.
* localedata/locales/lv_LV (LC_MESSAGES): Likewise.
* localedata/locales/lzh_TW (LC_MESSAGES): Likewise.
* localedata/locales/mg_MG (LC_MESSAGES): Likewise.
* localedata/locales/mhr_RU (LC_MESSAGES): Likewise.
* localedata/locales/mi_NZ (LC_MESSAGES): Likewise.
* localedata/locales/mk_MK (LC_MESSAGES): Likewise.
* localedata/locales/ml_IN (LC_MESSAGES): Likewise.
* localedata/locales/mn_MN (LC_MESSAGES): Likewise.
* localedata/locales/ms_MY (LC_MESSAGES): Likewise.
* localedata/locales/mt_MT (LC_MESSAGES): Likewise.
* localedata/locales/my_MM (LC_MESSAGES): Likewise.
* localedata/locales/nan_TW (LC_MESSAGES): Likewise.
* localedata/locales/nan_TW@latin (LC_MESSAGES): Likewise.
* localedata/locales/nb_NO (LC_MESSAGES): Likewise.
* localedata/locales/nds_DE (LC_MESSAGES): Likewise.
* localedata/locales/nds_NL (LC_MESSAGES): Likewise.
* localedata/locales/ne_NP (LC_MESSAGES): Likewise.
* localedata/locales/nhn_MX (LC_MESSAGES): Likewise.
* localedata/locales/niu_NU (LC_MESSAGES): Likewise.
* localedata/locales/nl_NL (LC_MESSAGES): Likewise.
* localedata/locales/nn_NO (LC_MESSAGES): Likewise.
* localedata/locales/nr_ZA (LC_MESSAGES): Likewise.
* localedata/locales/nso_ZA (LC_MESSAGES): Likewise.
* localedata/locales/oc_FR (LC_MESSAGES): Likewise.
* localedata/locales/om_ET (LC_MESSAGES): Likewise.
* localedata/locales/or_IN (LC_MESSAGES): Likewise.
* localedata/locales/os_RU (LC_MESSAGES): Likewise.
* localedata/locales/pa_IN (LC_MESSAGES): Likewise.
* localedata/locales/pa_PK (LC_MESSAGES): Likewise.
* localedata/locales/pap_AW (LC_MESSAGES): Likewise.
* localedata/locales/pap_CW (LC_MESSAGES): Likewise.
* localedata/locales/pl_PL (LC_MESSAGES): Likewise.
* localedata/locales/ps_AF (LC_MESSAGES): Likewise.
* localedata/locales/pt_BR (LC_MESSAGES): Likewise.
* localedata/locales/quz_PE (LC_MESSAGES): Likewise.
* localedata/locales/raj_IN (LC_MESSAGES): Likewise.
* localedata/locales/ro_RO (LC_MESSAGES): Likewise.
* localedata/locales/ru_RU (LC_MESSAGES): Likewise.
* localedata/locales/ru_UA (LC_MESSAGES): Likewise.
* localedata/locales/rw_RW (LC_MESSAGES): Likewise.
* localedata/locales/sa_IN (LC_MESSAGES): Likewise.
* localedata/locales/sc_IT (LC_MESSAGES): Likewise.
* localedata/locales/sd_IN@devanagari (LC_MESSAGES): Likewise.
* localedata/locales/se_NO (LC_MESSAGES): Likewise.
* localedata/locales/sgs_LT (LC_MESSAGES): Likewise.
* localedata/locales/si_LK (LC_MESSAGES): Likewise.
* localedata/locales/sk_SK (LC_MESSAGES): Likewise.
* localedata/locales/sl_SI (LC_MESSAGES): Likewise.
* localedata/locales/sm_WS (LC_MESSAGES): Likewise.
* localedata/locales/so_DJ (LC_MESSAGES): Likewise.
* localedata/locales/sq_AL (LC_MESSAGES): Likewise.
* localedata/locales/sr_RS (LC_MESSAGES): Likewise.
* localedata/locales/sr_RS@latin (LC_MESSAGES): Likewise.
* localedata/locales/ss_ZA (LC_MESSAGES): Likewise.
* localedata/locales/st_ZA (LC_MESSAGES): Likewise.
* localedata/locales/sv_SE (LC_MESSAGES): Likewise.
* localedata/locales/sw_KE (LC_MESSAGES): Likewise.
* localedata/locales/szl_PL (LC_MESSAGES): Likewise.
* localedata/locales/tcy_IN (LC_MESSAGES): Likewise.
* localedata/locales/tg_TJ (LC_MESSAGES): Likewise.
* localedata/locales/th_TH (LC_MESSAGES): Likewise.
* localedata/locales/the_NP (LC_MESSAGES): Likewise.
* localedata/locales/ti_ER (LC_MESSAGES): Likewise.
* localedata/locales/tk_TM (LC_MESSAGES): Likewise.
* localedata/locales/tn_ZA (LC_MESSAGES): Likewise.
* localedata/locales/to_TO (LC_MESSAGES): Likewise.
* localedata/locales/tr_TR (LC_MESSAGES): Likewise.
* localedata/locales/ts_ZA (LC_MESSAGES): Likewise.
* localedata/locales/tt_RU (LC_MESSAGES): Likewise.
* localedata/locales/tt_RU@iqtelif (LC_MESSAGES): Likewise.
* localedata/locales/uk_UA (LC_MESSAGES): Likewise.
* localedata/locales/unm_US (LC_MESSAGES): Likewise.
* localedata/locales/ur_IN (LC_MESSAGES): Likewise.
* localedata/locales/ur_PK (LC_MESSAGES): Likewise.
* localedata/locales/uz_UZ (LC_MESSAGES): Likewise.
* localedata/locales/uz_UZ@cyrillic (LC_MESSAGES): Likewise.
* localedata/locales/ve_ZA (LC_MESSAGES): Likewise.
* localedata/locales/vi_VN (LC_MESSAGES): Likewise.
* localedata/locales/wa_BE (LC_MESSAGES): Likewise.
* localedata/locales/wo_SN (LC_MESSAGES): Likewise.
* localedata/locales/xh_ZA (LC_MESSAGES): Likewise.
* localedata/locales/yi_US (LC_MESSAGES): Likewise.
* localedata/locales/yo_NG (LC_MESSAGES): Likewise.
* localedata/locales/yue_HK (LC_MESSAGES): Likewise.
* localedata/locales/zh_CN (LC_MESSAGES): Likewise.
* localedata/locales/zh_HK (LC_MESSAGES): Likewise.
* localedata/locales/zh_TW (LC_MESSAGES): Likewise.
* localedata/locales/zu_ZA (LC_MESSAGES): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=17e78edb814dfd90328efbc984e37cd4f70ef251
commit 17e78edb814dfd90328efbc984e37cd4f70ef251
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 10:40:20 2017 +0200
brx_IN locale: Fix yesexpr and noexpr
* localedata/locales/brx_IN (LC_MESSAGES): Fix yesexpr and noexpr
(Use first letters of yesstr and nostr correctly instead of using
full words).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=74e7284fe1d4be0e7eb3eb3ba9908eb7d0f04e3f
commit 74e7284fe1d4be0e7eb3eb3ba9908eb7d0f04e3f
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 10:35:19 2017 +0200
ta_IN locale: Fix yesexpr and noexpr
* localedata/locales/ta_IN (LC_MESSAGES): Fix yesexpr and noexpr
(Use first letters of yesstr and nostr correctly).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b41a0ff1c829f907cdc5412079b539e172ccb9bc
commit b41a0ff1c829f907cdc5412079b539e172ccb9bc
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 10:06:31 2017 +0200
hi_IN, kn_IN, ks_IN@devanagari locales: In yesexpr and noexpr, also check
for the first characters of yesstr and nostr
* localedata/locales/hi_IN (LC_MESSAGES): In yesexpr and noexpr,
also check for the first characters of yesstr and nostr.
* localedata/locales/kn_IN (LC_MESSAGES): Likewise.
* localedata/locales/ks_IN@devanagari (LC_MESSAGES): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d971f380029b888c9194663aa4373e1f6e1b9cad
commit d971f380029b888c9194663aa4373e1f6e1b9cad
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 09:58:59 2017 +0200
cmn_TW locale: Improve yesexpr and noexpr
* localedata/locales/cmn_TW (LC_MESSAGES): In yesexpr and noexpr,
also check for Chinese characters.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=effc9e1d50912d4bc58e189ed30017bb596878b9
commit effc9e1d50912d4bc58e189ed30017bb596878b9
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 09:56:21 2017 +0200
chr_US locale: Fix yesexpr and noexpr
* localedata/locales/chr_US (LC_MESSAGES): In yesexpr and noexpr,
match also for the contents of yesstr and nostr. As the first letter
of yesstr and nostr is equal, checking only for the first letter
is not enough.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=10320881d8ecd47b542b8e5ca42fdb1aa5516bbf
commit 10320881d8ecd47b542b8e5ca42fdb1aa5516bbf
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 09:31:26 2017 +0200
ber_DZ locale: Use copy “"kab_DZ"” in LC_MESSAGES.
* localedata/locales/ber_DZ (LC_MESSAGES): Use copy "kab_DZ",
it is the same according to Belkacem Mohammed <belkacem77@gmail.com>.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d8682a15d0c4903c4b687befcaf763d87c8f1993
commit d8682a15d0c4903c4b687befcaf763d87c8f1993
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 09:25:11 2017 +0200
kab_DZ locale: Add e-mail of main contributor
* localedata/locales/kab_DZ (LC_IDENTIFICATION): Add e-mail
of main contributor.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1bfb86aeb4fd66d09d3ff0bd3025b19ac383b9f6
commit 1bfb86aeb4fd66d09d3ff0bd3025b19ac383b9f6
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 09:15:33 2017 +0200
zh_SG locale: Use copy "zh_CN" in LC_MESSAGES instead of English
* localedata/locales/zh_SG (LC_MESSAGES): Use copy "zh_CN"
instead of using English.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=da33d60bbec1279b7918bd8e4de82677575a32b4
commit da33d60bbec1279b7918bd8e4de82677575a32b4
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 08:34:21 2017 +0200
ug_CN locale: Fix noexpr and yesexpr
* localedata/locales/ug_CN (LC_MESSAGES): Fix noexpr and yesexpr
by including the first letters of nostr and yesexpr in the regexp.
Also make it more readable by using ASCII where possible.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=725bbb3e18debf1e46d15bbf11da6393035aad5c
commit 725bbb3e18debf1e46d15bbf11da6393035aad5c
Author: Mike FABIAN <mfabian@redhat.com>
Date: Wed Oct 25 08:17:24 2017 +0200
ti_IN locale: Fix noexpr
* localedata/locales/te_IN (LC_MESSAGES): Fix noexpr by including
the first letter of nostr in the regexp. It agrees with CLDR now.
Also make it more readable by using ASCII where possible.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fe043d8af2aac18246eac87b6ace24bf021806e7
commit fe043d8af2aac18246eac87b6ace24bf021806e7
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Oct 24 16:37:36 2017 +0200
km_KH locale: Fix yesstr and nostr.
* localedata/locales/km_KH (LC_MESSAGES): Fix yestr and nostr.
The yesstr and nostr apparently came from CLDR. And CLDR has a bug
there:
these strings contain a U+17D6 (which somewhat looks like a colon)
instead of a real colon to separate the full words for “yes”
and “no” from the single letter responses.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=360a8df3af57489b1c9467b46c72fe45f1225979
commit 360a8df3af57489b1c9467b46c72fe45f1225979
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Oct 24 16:20:55 2017 +0200
ka_GE locale: Fix yesexp to make it agree with CLDR.
* localedata/locales/ka_GE (LC_MESSAGES): Fix yesexp to make
it agree with CLDR (include the first letter of yesstr).
Also make it more readable by using ASCII where possible.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bab7b6b0a6474cf517a372aca2e2911ae907f96a
commit bab7b6b0a6474cf517a372aca2e2911ae907f96a
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Oct 24 14:06:05 2017 +0200
mr_IN locale: Fix yesstr and nostr and improve yesexpr and noexpr.
* localedata/locales/mr_IN (LC_MESSAGES): Fix yesstr and nostr
and improve yesexpr and noexpr. The yesstr and nostr apparently
came from CLDR. And CLDR has a bug there: these strings contain
a U+0903 (which looks like a colon) instead of a real colon
to separate the full words for “yes” and “no” from the single
letter responses.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e79f758191d11e60cdf1975ece322831c73ede4
commit 3e79f758191d11e60cdf1975ece322831c73ede4
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Oct 24 11:56:18 2017 +0200
bn_BD locale: Use only the first letters of the full yesstr and nostr in
yesexpr and noexpr
Using all characters of the full words for yes and no in yesexpr and noexpr
makes no sense here, especially not because the words for yes and no
share one character.
* localedata/locales/bn_BD (LC_MESSAGES): Use only the first
letters of the full yesstr and nostr in yesexpr and noexpr.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4960c87929ec76f02ad183f2110dac0db99bbf22
commit 4960c87929ec76f02ad183f2110dac0db99bbf22
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Oct 24 09:07:18 2017 +0200
Add yesstr, nostr, lang_term, lang_lib to an_ES locale
* localedata/locales/an_ES (LC_MESSAGES): Add yesstr and nostr.
* localedata/locales/an_ES (LC_ADDRESS): Add lang_term and lang_lib.
* localedata/locales/an_ES: Make source more readable by using ASCII
where possible.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b06a054f5822a61b94e88f595a99e358d0ad2f34
commit b06a054f5822a61b94e88f595a99e358d0ad2f34
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Oct 23 19:03:23 2017 +0200
Add new locale yuw_PG [BZ #20952]
[BZ #20952]
* localedata/locales/yuw_PG: New file.
* localedata/SUPPORTED: Add yuw_PG/UTF-8.
* locale/iso-639.def: Add Yau (Uruwa).
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 306 +++++++++++++++++++++++++++++++++++
locale/iso-639.def | 1 +
localedata/SUPPORTED | 1 +
localedata/locales/aa_ET | 8 +-
localedata/locales/af_ZA | 8 +-
localedata/locales/ak_GH | 8 +-
localedata/locales/am_ET | 4 +-
localedata/locales/an_ES | 90 +++++------
localedata/locales/anp_IN | 4 +-
localedata/locales/ar_EG | 4 +-
localedata/locales/as_IN | 4 +-
localedata/locales/ast_ES | 8 +-
localedata/locales/ayc_PE | 8 +-
localedata/locales/az_AZ | 16 ++-
localedata/locales/az_IR | 4 +-
localedata/locales/be_BY | 4 +-
localedata/locales/be_BY@latin | 4 +-
localedata/locales/bem_ZM | 8 +-
localedata/locales/ber_DZ | 7 +-
localedata/locales/ber_MA | 11 +-
localedata/locales/bg_BG | 4 +-
localedata/locales/bhb_IN | 4 +-
localedata/locales/bi_VU | 8 +-
localedata/locales/bn_BD | 4 +-
localedata/locales/bo_CN | 4 +-
localedata/locales/br_FR | 8 +-
localedata/locales/brx_IN | 6 +-
localedata/locales/bs_BA | 8 +-
localedata/locales/ca_ES | 8 +-
localedata/locales/ce_RU | 4 +-
localedata/locales/chr_US | 4 +-
localedata/locales/cmn_TW | 6 +-
localedata/locales/crh_UA | 8 +-
localedata/locales/cs_CZ | 8 +-
localedata/locales/csb_PL | 4 +-
localedata/locales/cv_RU | 4 +-
localedata/locales/cy_GB | 8 +-
localedata/locales/da_DK | 8 +-
localedata/locales/de_DE | 8 +-
localedata/locales/dv_MV | 4 +-
localedata/locales/dz_BT | 4 +-
localedata/locales/el_GR | 4 +-
localedata/locales/en_CA | 8 +-
localedata/locales/en_US | 8 +-
localedata/locales/es_ES | 8 +-
localedata/locales/et_EE | 8 +-
localedata/locales/eu_ES | 8 +-
localedata/locales/fa_IR | 4 +-
localedata/locales/ff_SN | 8 +-
localedata/locales/fi_FI | 8 +-
localedata/locales/fil_PH | 8 +-
localedata/locales/fo_FO | 8 +-
localedata/locales/fr_BE | 8 +-
localedata/locales/fr_CH | 8 +-
localedata/locales/fr_FR | 8 +-
localedata/locales/fr_LU | 8 +-
localedata/locales/fur_IT | 8 +-
localedata/locales/fy_DE | 8 +-
localedata/locales/ga_IE | 8 +-
localedata/locales/gd_GB | 8 +-
localedata/locales/gl_ES | 8 +-
localedata/locales/gu_IN | 4 +-
localedata/locales/gv_GB | 4 +-
localedata/locales/ha_NG | 8 +-
localedata/locales/hak_TW | 8 +-
localedata/locales/he_IL | 4 +-
localedata/locales/hi_IN | 4 +-
localedata/locales/hif_FJ | 10 +-
localedata/locales/hne_IN | 4 +-
localedata/locales/hr_HR | 8 +-
localedata/locales/hsb_DE | 8 +-
localedata/locales/ht_HT | 8 +-
localedata/locales/hu_HU | 8 +-
localedata/locales/hy_AM | 4 +-
localedata/locales/ia_FR | 8 +-
localedata/locales/id_ID | 8 +-
localedata/locales/ig_NG | 8 +-
localedata/locales/ik_CA | 8 +-
localedata/locales/is_IS | 8 +-
localedata/locales/it_CH | 8 +-
localedata/locales/it_IT | 8 +-
localedata/locales/iu_CA | 4 +-
localedata/locales/ja_JP | 6 +-
localedata/locales/ka_GE | 4 +-
localedata/locales/kab_DZ | 3 +-
localedata/locales/kk_KZ | 4 +-
localedata/locales/kl_GL | 8 +-
localedata/locales/km_KH | 4 +-
localedata/locales/kn_IN | 4 +-
localedata/locales/ko_KR | 4 +-
localedata/locales/ks_IN | 4 +-
localedata/locales/ks_IN@devanagari | 4 +-
localedata/locales/ku_TR | 8 +-
localedata/locales/kw_GB | 8 +-
localedata/locales/ky_KG | 4 +-
localedata/locales/lb_LU | 8 +-
localedata/locales/lg_UG | 8 +-
localedata/locales/li_NL | 4 +-
localedata/locales/lij_IT | 4 +-
localedata/locales/ln_CD | 8 +-
localedata/locales/lo_LA | 4 +-
localedata/locales/lt_LT | 8 +-
localedata/locales/lv_LV | 8 +-
localedata/locales/lzh_TW | 8 +-
localedata/locales/mfe_MU | 6 +-
localedata/locales/mg_MG | 8 +-
localedata/locales/mhr_RU | 4 +-
localedata/locales/mi_NZ | 8 +-
localedata/locales/mk_MK | 5 +-
localedata/locales/ml_IN | 6 +-
localedata/locales/mn_MN | 4 +-
localedata/locales/mr_IN | 10 +-
localedata/locales/ms_MY | 8 +-
localedata/locales/mt_MT | 10 +-
localedata/locales/my_MM | 4 +-
localedata/locales/nan_TW | 8 +-
localedata/locales/nan_TW@latin | 8 +-
localedata/locales/nb_NO | 8 +-
localedata/locales/nds_DE | 8 +-
localedata/locales/nds_NL | 8 +-
localedata/locales/ne_NP | 4 +-
localedata/locales/nhn_MX | 8 +-
localedata/locales/niu_NU | 8 +-
localedata/locales/nl_NL | 8 +-
localedata/locales/nn_NO | 8 +-
localedata/locales/nr_ZA | 4 +-
localedata/locales/nso_ZA | 4 +-
localedata/locales/oc_FR | 4 +-
localedata/locales/om_ET | 10 +-
localedata/locales/or_IN | 5 +-
localedata/locales/os_RU | 4 +-
localedata/locales/pa_IN | 4 +-
localedata/locales/pa_PK | 6 +-
localedata/locales/pap_AW | 8 +-
localedata/locales/pap_CW | 8 +-
localedata/locales/pl_PL | 8 +-
localedata/locales/ps_AF | 4 +-
localedata/locales/pt_BR | 8 +-
localedata/locales/quz_PE | 8 +-
localedata/locales/raj_IN | 4 +-
localedata/locales/ro_RO | 8 +-
localedata/locales/ru_RU | 4 +-
localedata/locales/ru_UA | 5 +-
localedata/locales/rw_RW | 4 +-
localedata/locales/sa_IN | 4 +-
localedata/locales/sc_IT | 10 +-
localedata/locales/sd_IN@devanagari | 4 +-
localedata/locales/se_NO | 8 +-
localedata/locales/sgs_LT | 8 +-
localedata/locales/si_LK | 4 +-
localedata/locales/sk_SK | 8 +-
localedata/locales/sl_SI | 8 +-
localedata/locales/sm_WS | 14 +--
localedata/locales/so_DJ | 8 +-
localedata/locales/sq_AL | 8 +-
localedata/locales/sr_RS | 4 +-
localedata/locales/sr_RS@latin | 8 +-
localedata/locales/ss_ZA | 4 +-
localedata/locales/st_ZA | 4 +-
localedata/locales/sv_SE | 8 +-
localedata/locales/sw_KE | 8 +-
localedata/locales/szl_PL | 4 +-
localedata/locales/ta_IN | 4 +-
localedata/locales/tcy_IN | 4 +-
localedata/locales/te_IN | 4 +-
localedata/locales/tg_TJ | 8 +-
localedata/locales/th_TH | 4 +-
localedata/locales/the_NP | 4 +-
localedata/locales/ti_ER | 4 +-
localedata/locales/tk_TM | 8 +-
localedata/locales/tn_ZA | 4 +-
localedata/locales/to_TO | 12 +-
localedata/locales/tr_TR | 8 +-
localedata/locales/ts_ZA | 10 +-
localedata/locales/tt_RU | 4 +-
localedata/locales/tt_RU@iqtelif | 8 +-
localedata/locales/ug_CN | 4 +-
localedata/locales/uk_UA | 28 ++--
localedata/locales/unm_US | 4 +-
localedata/locales/ur_IN | 4 +-
localedata/locales/ur_PK | 6 +-
localedata/locales/uz_UZ | 9 +-
localedata/locales/uz_UZ@cyrillic | 5 +-
localedata/locales/ve_ZA | 4 +-
localedata/locales/vi_VN | 8 +-
localedata/locales/wa_BE | 8 +-
localedata/locales/wo_SN | 6 +-
localedata/locales/xh_ZA | 8 +-
localedata/locales/yi_US | 4 +-
localedata/locales/yo_NG | 8 +-
localedata/locales/yue_HK | 4 +-
localedata/locales/yuw_PG | 153 +++++++++++++++++
localedata/locales/zh_CN | 4 +-
localedata/locales/zh_HK | 4 +-
localedata/locales/zh_SG | 5 +-
localedata/locales/zh_TW | 8 +-
localedata/locales/zu_ZA | 8 +-
197 files changed, 1120 insertions(+), 692 deletions(-)
create mode 100644 localedata/locales/yuw_PG
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Wed, 25 Oct 2017 12:16:00 -0000
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--- Comment #40 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Belkacem Mohammed from comment #39)
> Please would you like add my email address in the file for those who wants
> contact me?
I did that now in git master.
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Subject: [Bug localedata/15261] LC_MESSAGES.yesexpr/noexpr: inconsistent use of full-width Latin characters
Date: Wed, 25 Oct 2017 13:42:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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From: "riehecky at fnal dot gov" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nss/22349] New: [RFE] user specific hosts entries
Date: Wed, 25 Oct 2017 14:09:00 -0000
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Bug ID: 22349
Summary: [RFE] user specific hosts entries
Product: glibc
Version: unspecified
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Severity: enhancement
Priority: P2
Component: nss
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Reporter: riehecky at fnal dot gov
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Is it possible to add a new NSS that reads something like ~/.hosts for user
specific host aliases?
Ideally, this would permit users to add their own local resolution for
specified hosts, while preventing this from leaking into other user's
resolution.
Use Case:
- a web developer wants to override the resolution of a hostname to test a
specific node in a round robin cluster.
- an IOT developer has a pile of devices with IPs that may change depending on
test conditions.
Concerns:
- preventing services like NSCD from caching resolution of user specific
results is mandatory so that no one poisons the hosts.db
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21598] i386 _dl_runtime_resolve/_dl_runtime_profile is incompatible with shadow stack
Date: Wed, 25 Oct 2017 15:49:00 -0000
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--- Comment #47 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, hjl/cet/property has been created
at 47d00dc7a94d4ffe004138aaf7a3930da0fb96d6 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=47d00dc7a94d4ffe004138aaf7a3930da0fb96d6
commit 47d00dc7a94d4ffe004138aaf7a3930da0fb96d6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Jun 28 15:16:46 2017 -0700
i386: Add _dl_runtime_resolve_shstk/_dl_runtime_profile_shstk [BZ #21598]
Add SHSTK compatible symbol resolvers to support Shadow Stack in Intel
Control-flow Enforcement Technology (CET) instructions:
https://software.intel.com/sites/default/files/managed/4d/2a/control-flow-enforcement-technology-preview.pdf
Replace _dl_runtime_resolve and _dl_runtime_profile with
_dl_runtime_resolve_shstk and _dl_runtime_profile_shstk, respectively if
SHSTK is enabled.
[BZ #21598]
* sysdeps/i386/dl-trampoline.S (_dl_runtime_resolve_shstk): New.
(_dl_runtime_profile_shstk): Likewise.
* sysdeps/unix/sysv/linux/i386/dl-cet.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=319cbb3efb5ea6772dd11b7c145e5a524f47944c
commit 319cbb3efb5ea6772dd11b7c145e5a524f47944c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Jun 22 04:15:39 2017 -0700
x86: Support IBT and SHSTK in Intel CET
Intel Control-flow Enforcement Technology (CET) instructions:
https://software.intel.com/sites/default/files/managed/4d/2a/control-flow-en
forcement-technology-preview.pdf
includes Indirect Branch Tracking (IBT) and Shadow Stack (SHSTK).
GNU_PROPERTY_X86_FEATURE_1_IBT is added to GNU program property to
indicate that all executable sections are compatible with IBT when
ENDBR instruction starts each valid target where an indirect branch
instruction can land. GNU_PROPERTY_X86_FEATURE_1_IBT is set on output
only if it is set on all relocatable inputs.
On an IBT capable processor, the following steps should be taken:
1. When loading an executable, if GNU_PROPERTY_X86_FEATURE_1_IBT is
set on the executable, enable IBT.
2. If IBT is enabled, when loading a shared object without
GNU_PROPERTY_X86_FEATURE_1_IBT:
a. If legacy interwork is allowed, then mark all pages in executable
PT_LOAD segments in legacy code page bitmap. Failure of legacy code
page bitmap allocation causes an error.
b. If legacy interwork isn't allowed, it causes an error.
GNU_PROPERTY_X86_FEATURE_1_SHSTK is added to GNU program property to
indicate that all executable sections are compatible with SHSTK where
return address popped from shadow stack always matches return address
popped from normal stack. GNU_PROPERTY_X86_FEATURE_1_SHSTK is set on
output only if it is set on all relocatable inputs.
On a SHSTK capable processor, the following steps should be taken:
1. When loading an executable, if GNU_PROPERTY_X86_FEATURE_1_SHSTK is
set on the executable as well as all shared objects loaded via the
DT_NEEDED tag, enable SHSTK.
2. After SHSTK is enabled, it is an error to load a shared object
without GNU_PROPERTY_X86_FEATURE_1_SHSTK.
When glibc is built with a CET-enabled compiler, CET is enabled by
default, unless --disable-cet is used to configure glibc. When CET is
enabled, both compiler and assembler must support CET. Otherwise, it
is a configure-time error.
To support CET run-time control,
1. _dl_x86_feature_1 is added to the writable ld.so namespace to indicate
if IBT or SHSTK are enabled at run-time.
2. For dynamic executables:
a. A l_cet field is added to struct link_map to indicate if IBT or
SHSTK is enabled in an ELF module. The optional DL_PROCESS_PT_NOTE
is called to process PT_NOTE segment for GNU program property and
set l_cet.
b. _dl_start_user calls _dl_cet_init, instead of _dl_init, which sets
_dl_x86_feature_1 as well as sets up IBT and SHSTK.
3. For static executables, _dl_setup_cet is called to process PT_NOTE
segment for GNU program property to set _dl_x86_feature_1 as well as set
up IBT and SHSTK.
<cet.h> from CET-enabled GCC is automatically included by assembly codes
to add GNU_PROPERTY_X86_FEATURE_1_IBT and GNU_PROPERTY_X86_FEATURE_1_SHSTK
to GNU program property.
* config.h.in (ENABLE_CET): New #undef.
* configure.ac: Add --enable-cet.
* configure: Regenerated.
* elf/dl-load.c (filebuf): Moved before "dynamic-link.h".
(_dl_map_object_from_fd): Call DL_PROCESS_PT_NOTE on PT_NOTE
segment if DL_PROCESS_PT_NOTE is defined.
* elf/rtld.c (dl_main): Likewise.
* elf/dl-support.c: Include <dl-procruntime.c>.
* include/link.h: Include <link_map.h>.
* sysdeps/generic/dl-procruntime.c: New file.
* sysdeps/generic/link_map.h: Likewise.
* sysdeps/unix/sysv/linux/i386/dl-machine.h: Likewise.
* sysdeps/unix/sysv/linux/x86/configure: Likewise.
* sysdeps/unix/sysv/linux/x86/configure.ac: Likewise.
* sysdeps/unix/sysv/linux/x86/dl-cet-nonshared.c: Likewise.
* sysdeps/unix/sysv/linux/x86/dl-cet.c: Likewise.
* sysdeps/unix/sysv/linux/x86/dl-cet.h: Likewise.
* sysdeps/unix/sysv/linux/x86/dl-procruntime.c: Likewise.
* sysdeps/unix/sysv/linux/x86/libc-start.c: Likewise.
* sysdeps/unix/sysv/linux/x86/link_map.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/dl-machine.h: Likewise.
* sysdeps/generic/ldsodefs.h: Include <dl-procruntime.c> in
the writable ld.so namespace.
* sysdeps/i386/dl-machine.h (DL_INIT): New.
(_dl_start_user): Replace _dl_init with DL_INIT.
* sysdeps/unix/sysv/linux/x86/Makefile (sysdep_routines): Add
dl-cet-nonshared if CET is enabled.
(sysdep-dl-routines): Add dl-cet if CET is enabled.
(CFLAGS-.o): Add -finstrument-control-flow -mcet if CET is enabled.
(CFLAGS-.os): Likewise.
(CFLAGS-.op): Likewise.
(CFLAGS-.oS): Likewise.
(asm-CPPFLAGS): Add -finstrument-control-flow -mcet -include cet.h
if CET is enabled.
* sysdeps/x86/libc-start.c (ARCH_INIT_CPU_FEATURES): Define
only if it is undefined.
* sysdeps/x86_64/dl-machine.h (DL_INIT): New.
(_dl_start_user): Replace _dl_init with DL_INIT.
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21598] i386 _dl_runtime_resolve/_dl_runtime_profile is incompatible with shadow stack
Date: Wed, 25 Oct 2017 15:49:00 -0000
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--- Comment #46 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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>From glibc-bugs-return-39540-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 25 15:58:46 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/21083] robust timed lock may leave other waiters no chance to wake up
Date: Wed, 25 Oct 2017 15:58:00 -0000
X-Bugzilla-Reason: CC
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https://sourceware.org/bugzilla/show_bug.cgi?id=21083
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to ma.jiang from comment #2)
> (In reply to Carlos O'Donell from comment #1)
>
> > When you say "latest glibc sources" do you mean that you tested on master?
> > How recently?
> The patch is for glibc-2.24. I checked the trunk code just now, the bug
> still exist. I have not write a testcase to reproduce the bug, it's quite
> hard(Although the bug logic is clear)...
Thank you for the verification. I've been collecting a number of robust mutex
fixes, and I think in the next development cycle we'll try to address the last
remaining issues, including this one.
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21598] i386 _dl_runtime_resolve/_dl_runtime_profile is incompatible with shadow stack
Date: Wed, 25 Oct 2017 18:09:00 -0000
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--- Comment #48 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
47d00dc7a94d4ffe004138aaf7a3930da0fb96d6 i386: Add
_dl_runtime_resolve_shstk/_dl_runtime_profile_shstk [BZ #21598]
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21598] i386 _dl_runtime_resolve/_dl_runtime_profile is incompatible with shadow stack
Date: Wed, 25 Oct 2017 18:09:00 -0000
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--- Comment #49 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/cet/property has been created
at 1a746e5056e299e235e98b1378d5eb1ddc67fb36 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1a746e5056e299e235e98b1378d5eb1ddc67fb36
commit 1a746e5056e299e235e98b1378d5eb1ddc67fb36
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Jun 28 15:16:46 2017 -0700
i386: Add _dl_runtime_resolve_shstk/_dl_runtime_profile_shstk [BZ #21598]
Add SHSTK compatible symbol resolvers to support Shadow Stack in Intel
Control-flow Enforcement Technology (CET) instructions:
https://software.intel.com/sites/default/files/managed/4d/2a/control-flow-enforcement-technology-preview.pdf
Replace _dl_runtime_resolve and _dl_runtime_profile with
_dl_runtime_resolve_shstk and _dl_runtime_profile_shstk, respectively if
SHSTK is enabled.
[BZ #21598]
* sysdeps/i386/dl-trampoline.S (_dl_runtime_resolve_shstk): New.
(_dl_runtime_profile_shstk): Likewise.
* sysdeps/unix/sysv/linux/i386/dl-cet.c: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6628d23736502a5c1c5150cbcfc2ac989c0ec548
commit 6628d23736502a5c1c5150cbcfc2ac989c0ec548
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Jun 22 04:15:39 2017 -0700
x86: Support IBT and SHSTK in Intel CET
Intel Control-flow Enforcement Technology (CET) instructions:
https://software.intel.com/sites/default/files/managed/4d/2a/control-flow-en
forcement-technology-preview.pdf
includes Indirect Branch Tracking (IBT) and Shadow Stack (SHSTK).
GNU_PROPERTY_X86_FEATURE_1_IBT is added to GNU program property to
indicate that all executable sections are compatible with IBT when
ENDBR instruction starts each valid target where an indirect branch
instruction can land. GNU_PROPERTY_X86_FEATURE_1_IBT is set on output
only if it is set on all relocatable inputs.
On an IBT capable processor, the following steps should be taken:
1. When loading an executable, if GNU_PROPERTY_X86_FEATURE_1_IBT is
set on the executable, enable IBT.
2. If IBT is enabled, when loading a shared object without
GNU_PROPERTY_X86_FEATURE_1_IBT:
a. If legacy interwork is allowed, then mark all pages in executable
PT_LOAD segments in legacy code page bitmap. Failure of legacy code
page bitmap allocation causes an error.
b. If legacy interwork isn't allowed, it causes an error.
GNU_PROPERTY_X86_FEATURE_1_SHSTK is added to GNU program property to
indicate that all executable sections are compatible with SHSTK where
return address popped from shadow stack always matches return address
popped from normal stack. GNU_PROPERTY_X86_FEATURE_1_SHSTK is set on
output only if it is set on all relocatable inputs.
On a SHSTK capable processor, the following steps should be taken:
1. When loading an executable, if GNU_PROPERTY_X86_FEATURE_1_SHSTK is
set on the executable as well as all shared objects loaded via the
DT_NEEDED tag, enable SHSTK.
2. After SHSTK is enabled, it is an error to load a shared object
without GNU_PROPERTY_X86_FEATURE_1_SHSTK.
When glibc is built with a CET-enabled compiler, CET is enabled by
default, unless --disable-cet is used to configure glibc. When CET is
enabled, both compiler and assembler must support CET. Otherwise, it
is a configure-time error.
To support CET run-time control,
1. _dl_x86_feature_1 is added to the writable ld.so namespace to indicate
if IBT or SHSTK are enabled at run-time.
2. For dynamic executables:
a. A l_cet field is added to struct link_map to indicate if IBT or
SHSTK is enabled in an ELF module. The optional DL_PROCESS_PT_NOTE
is called to process PT_NOTE segment for GNU program property and
set l_cet.
b. _dl_start_user calls _dl_cet_init, instead of _dl_init, which sets
_dl_x86_feature_1 as well as sets up IBT and SHSTK.
3. For static executables, _dl_setup_cet is called to process PT_NOTE
segment for GNU program property to set _dl_x86_feature_1 as well as set
up IBT and SHSTK.
<cet.h> from CET-enabled GCC is automatically included by assembly codes
to add GNU_PROPERTY_X86_FEATURE_1_IBT and GNU_PROPERTY_X86_FEATURE_1_SHSTK
to GNU program property.
* config.h.in (ENABLE_CET): New #undef.
* configure.ac: Add --enable-cet.
* configure: Regenerated.
* elf/dl-load.c (filebuf): Moved before "dynamic-link.h".
(_dl_map_object_from_fd): Call DL_PROCESS_PT_NOTE on PT_NOTE
segment if DL_PROCESS_PT_NOTE is defined.
* elf/rtld.c (dl_main): Likewise.
* elf/dl-support.c: Include <dl-procruntime.c>.
* include/link.h: Include <link_map.h>.
* sysdeps/generic/dl-procruntime.c: New file.
* sysdeps/generic/link_map.h: Likewise.
* sysdeps/unix/sysv/linux/i386/dl-machine.h: Likewise.
* sysdeps/unix/sysv/linux/x86/configure: Likewise.
* sysdeps/unix/sysv/linux/x86/configure.ac: Likewise.
* sysdeps/unix/sysv/linux/x86/dl-cet-nonshared.c: Likewise.
* sysdeps/unix/sysv/linux/x86/dl-cet.c: Likewise.
* sysdeps/unix/sysv/linux/x86/dl-cet.h: Likewise.
* sysdeps/unix/sysv/linux/x86/dl-procruntime.c: Likewise.
* sysdeps/unix/sysv/linux/x86/libc-start.c: Likewise.
* sysdeps/unix/sysv/linux/x86/link_map.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/dl-machine.h: Likewise.
* sysdeps/generic/ldsodefs.h: Include <dl-procruntime.c> in
the writable ld.so namespace.
* sysdeps/i386/dl-machine.h (DL_INIT): New.
(_dl_start_user): Replace _dl_init with DL_INIT.
* sysdeps/unix/sysv/linux/x86/Makefile (sysdep_routines): Add
dl-cet-nonshared if CET is enabled.
(sysdep-dl-routines): Add dl-cet if CET is enabled.
(CFLAGS-.o): Add -fcf-protection -mcet if CET is enabled.
(CFLAGS-.os): Likewise.
(CFLAGS-.op): Likewise.
(CFLAGS-.oS): Likewise.
(asm-CPPFLAGS): Add -fcf-protection -mcet -include cet.h if CET
is enabled.
* sysdeps/x86/libc-start.c (ARCH_INIT_CPU_FEATURES): Define
only if it is undefined.
* sysdeps/x86_64/dl-machine.h (DL_INIT): New.
(_dl_start_user): Replace _dl_init with DL_INIT.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22341] Uninitialized variable in inline function elf_get_dynamic_info in get-dynamic-info.h
Date: Wed, 25 Oct 2017 18:31:00 -0000
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yueqichen.0x0 at gmail dot com changed:
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Priority|P2 |P3
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>From glibc-bugs-return-39544-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Oct 25 21:32:00 2017
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From: "tuliom at linux dot vnet.ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/22351] New: Unaligned pthread_cond_t stopped working
Date: Wed, 25 Oct 2017 21:32:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22351
Bug ID: 22351
Summary: Unaligned pthread_cond_t stopped working
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: tuliom at linux dot vnet.ibm.com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Created attachment 10556
--> https://sourceware.org/bugzilla/attachment.cgi?id=10556&action=edit
Modified version of nptl/tst-cond1.c
The attached program works well on glibc <= 2.24.
It has the following packed structure:
struct thread_info_t
{
pthread_mutex_t mut;
char c;
pthread_cond_t cond;
};
If it's compiled on a glibc <= 2.24 machine and copied to a glibc >= 2.25
machine, it aborts.
Confirmed on x86_64 and powerpc64le.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/22351] Unaligned pthread_cond_t stopped working
Date: Thu, 26 Oct 2017 02:28:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Tulio Magno Quites Machado Filho from comment #0)
> Created attachment 10556 [details]
> Modified version of nptl/tst-cond1.c
>
> The attached program works well on glibc <= 2.24.
>
> It has the following packed structure:
>
> struct thread_info_t
> {
> pthread_mutex_t mut;
> char c;
> pthread_cond_t cond;
> };
>
> If it's compiled on a glibc <= 2.24 machine and copied to a glibc >= 2.25
> machine, it aborts.
>
> Confirmed on x86_64 and powerpc64le.
In 2.25 we had the new pthread_cond_t.
Are we missing explicit padding somewhere to avoid problems with user use of
pragma pack(1)?
I'm not entirely worried this isn't working, it's a bad idea to use pragma
pack(1) like this, and it should be avoided, but since it worked previously, we
probably need to audit any missing explicit padding?
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>From glibc-bugs-return-39546-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 26 04:47:29 2017
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From: "keno at juliacomputing dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/21604] glibc fails to build with a gcc/musl toolchain
Date: Thu, 26 Oct 2017 04:46:00 -0000
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Keno Fischer <keno at juliacomputing dot com> changed:
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CC| |keno at juliacomputing dot com
--- Comment #3 from Keno Fischer <keno at juliacomputing dot com> ---
Just ran into this as well. I would suggest removing those OS X/FreeBSD checks
and guarding the u_char_defined check by an additional `#ifdef __GLIBC__`. It
seems unreasonable to assume that any random libc would define `__u_char`. Does
that sound reasonable?
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>From glibc-bugs-return-39547-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 26 06:10:19 2017
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/20952] yuw_PG: new locale
Date: Thu, 26 Oct 2017 06:10:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #7 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug nptl/22351] Unaligned pthread_cond_t stopped working
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Andreas Schwab <schwab@linux-m68k.org> changed:
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----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
That it appeared to work previously is irrelevent, because it has always been
broken. The kernel requires 32-bit alignment of futex variables.
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Subject: [Bug locale/22062] Unnecessary locking when reading configuration in iconv/gconv_conf.c
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Arjun Shankar <arjun.is at lostca dot se> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Data race when reading |Unnecessary locking when
|configuration in |reading configuration in
|iconv/gconv_conf.c |iconv/gconv_conf.c
--- Comment #1 from Arjun Shankar <arjun.is at lostca dot se> ---
The review [1] of the patch I wrote for this revealed that no locking is
necessary at all because the entire routine is called via __libc_once. Given
this, the partial locking (when writing config to its data structures) during
__gconv_get_path should be thrown away.
[1] https://sourceware.org/ml/libc-alpha/2017-10/msg00428.html
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Subject: [Bug localedata/21706] yesstr and nostr are missing for Breton [LC_MESSAGES] locale
Date: Thu, 26 Oct 2017 09:59:00 -0000
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--- Comment #6 from thierry.vignaud at gmail dot com ---
Created attachment 10557
--> https://sourceware.org/bugzilla/attachment.cgi?id=10557&action=edit
fix nostr for "br"
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>From glibc-bugs-return-39550-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 26 09:59:23 2017
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Subject: [Bug localedata/21706] yesstr and nostr are missing for Breton [LC_MESSAGES] locale
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thierry.vignaud at gmail dot com changed:
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CC| |thierry.vignaud at gmail dot com
--- Comment #5 from thierry.vignaud at gmail dot com ---
This is wrong (but I don't have the rights to reopen this bug).
See my attached patch for explanations.
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>From glibc-bugs-return-39552-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 26 10:53:00 2017
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Subject: [Bug nptl/22351] Unaligned pthread_cond_t stopped working
Date: Thu, 26 Oct 2017 10:53:00 -0000
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--- Comment #3 from Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> ---
(In reply to Carlos O'Donell from comment #1)
> Are we missing explicit padding somewhere to avoid problems with user use of
> pragma pack(1)?
No. The problem happens because of atomic instruction that are not aligned at
their natural boundary.
(In reply to Andreas Schwab from comment #2)
> That it appeared to work previously is irrelevent, because it has always
> been broken. The kernel requires 32-bit alignment of futex variables.
For the record, it also fails with pragma pack(4). Tested on powerpc64le.
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>From glibc-bugs-return-39553-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 26 12:49:18 2017
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Subject: [Bug localedata/21706] yesstr and nostr are missing for Breton [LC_MESSAGES] locale
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Last reconfirmed| |2017-10-26
Resolution|FIXED |---
Ever confirmed|0 |1
--- Comment #7 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to thierry.vignaud from comment #5)
> This is wrong (but I don't have the rights to reopen this bug).
> See my attached patch for explanations.
REOPEN.
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>From glibc-bugs-return-39554-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 26 13:20:26 2017
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Subject: [Bug localedata/21706] yesstr and nostr are missing for Breton [LC_MESSAGES] locale
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--- Comment #8 from Mike FABIAN <maiku.fabian at gmail dot com> ---
CLDR seems to have incomplete/wrong data as well for yesstr and nostr
for Breton. I just created this report:
https://unicode.org/cldr/trac/ticket/10734
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Subject: [Bug localedata/21706] yesstr and nostr are missing for Breton [LC_MESSAGES] locale
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--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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commit 67ad7163bbfa25d901eae2dcc442cab55c37cf7e
Author: Thierry Vignaud <thierry.vignaud@gmail.com>
Date: Thu Oct 26 12:00:15 2017 +0200
add myself as contact for "br" locale
Pablo was l10n/i18n coordinator back in the old days but MandrakeSoft is
dead now
* localedata/locales/br_FR (LC_IDENTIFICATON): Add
Thierry Vignaud <thierry.vignaud@gmail.com> as the contact
for the br_FR locale.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=408dff7ee52d61229740c18ac1e9ca8c522bcf6c
commit 408dff7ee52d61229740c18ac1e9ca8c522bcf6c
Author: Thierry Vignaud <thierry.vignaud@gmail.com>
Date: Wed Oct 25 22:12:31 2017 +0200
fix nostr for "br" [BZ #21706]
"Ket" is the the most used negative answer, as it's the negative answer
to a positively phrased question
It's used as it or with the verb ("Ne ran ket", ...)
As such, "Ket" is used in most translations.
"Nann" is less used as it's the negative answer to a negatively phrased
question
See https://en.wikipedia.org/wiki/Yes_and_no for explanations about
languages with 3 or 4 form systems.
We still keep "Nn" for short answers as:
- new learners are used to "Non" in french
- and they often misuses "Nann"
- for compatibility with english
[BZ #21706]
* localedata/locales/br_FR (LC_MESSAGES): Fix nostr.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +++++++++++
localedata/locales/br_FR | 8 ++++----
2 files changed, 15 insertions(+), 4 deletions(-)
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>From glibc-bugs-return-39556-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 26 13:29:57 2017
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Subject: [Bug localedata/21706] yesstr and nostr are missing for Breton [LC_MESSAGES] locale
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--- Comment #10 from thierry.vignaud at gmail dot com ---
(In reply to Mike FABIAN from comment #8)
> CLDR seems to have incomplete/wrong data as well for yesstr and nostr
> for Breton. I just created this report:
>
> https://unicode.org/cldr/trac/ticket/10734
I suspect a non native speaker has used a very basic dictionary that doesn't
provide context for the alternatives :-)
A more evolved dictionary is clearer:
eg: https://abp.bzh/dico.cgi?dico=francais&key=non&buton=Traduire
Sadly that's a common mistake for new learners... :-(
That's life.
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https://sourceware.org/bugzilla/show_bug.cgi?id=22299
--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4b692dffb95ac4812b161eb6a16113d7e824982e
commit 4b692dffb95ac4812b161eb6a16113d7e824982e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Oct 19 08:28:09 2017 -0700
x86-64: Don't set GLRO(dl_platform) to NULL [BZ #22299]
Since ld.so expands $PLATFORM with GLRO(dl_platform), don't set
GLRO(dl_platform) to NULL.
[BZ #22299]
* sysdeps/x86/cpu-features.c (init_cpu_features): Don't set
GLRO(dl_platform) to NULL.
* sysdeps/x86_64/Makefile (tests): Add tst-platform-1.
(modules-names): Add tst-platformmod-1 and
x86_64/tst-platformmod-2.
(CFLAGS-tst-platform-1.c): New.
(CFLAGS-tst-platformmod-1.c): Likewise.
(CFLAGS-tst-platformmod-2.c): Likewise.
(LDFLAGS-tst-platformmod-2.so): Likewise.
($(objpfx)tst-platform-1): Likewise.
($(objpfx)tst-platform-1.out): Likewise.
(tst-platform-1-ENV): Likewise.
($(objpfx)x86_64/tst-platformmod-2.os): Likewise.
* sysdeps/x86_64/tst-platform-1.c: New file.
* sysdeps/x86_64/tst-platformmod-1.c: Likewise.
* sysdeps/x86_64/tst-platformmod-2.c: Likewise.
(cherry picked from commit 4d916f0f12b230f49967797f98b2b613c734a047)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 21 +++++++++++++++++++++
NEWS | 1 +
sysdeps/x86/cpu-features.c | 12 ++++++++----
sysdeps/x86_64/Makefile | 20 ++++++++++++++++++++
sysdeps/x86_64/tst-platform-1.c | 29 +++++++++++++++++++++++++++++
sysdeps/x86_64/tst-platformmod-1.c | 23 +++++++++++++++++++++++
sysdeps/x86_64/tst-platformmod-2.c | 23 +++++++++++++++++++++++
7 files changed, 125 insertions(+), 4 deletions(-)
create mode 100644 sysdeps/x86_64/tst-platform-1.c
create mode 100644 sysdeps/x86_64/tst-platformmod-1.c
create mode 100644 sysdeps/x86_64/tst-platformmod-2.c
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>From glibc-bugs-return-39558-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 26 15:39:37 2017
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Subject: [Bug build/21604] glibc fails to build with a gcc/musl toolchain
Date: Thu, 26 Oct 2017 15:39:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21604
--- Comment #4 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Given Zack's work to clean up types used in installed headers, another
possibility would be to make rpc/types.h just use unsigned char etc.
unconditionally when defining these typedefs.
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Subject: [Bug libc/22347] getrandom() returns the number of bytes that were copied to the buffer even though the comments say "Return 0 on success and -1 on failure."
Date: Thu, 26 Oct 2017 16:58:00 -0000
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Dmitry V. Levin <ldv at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ldv at sourceware dot org
--- Comment #1 from Dmitry V. Levin <ldv at sourceware dot org> ---
(In reply to Eero Vuojolahti from comment #0)
> This is the current comment on line 25 sysdeps/unix/sysv/linux/getrandom.c:
>
> /* Write LENGTH bytes of randomness starting at BUFFER. Return 0 on
> success and -1 on failure. */
>
> It could be changed to:
>
> /* Write LENGTH bytes of randomness starting at BUFFER. Return number of
> bytes that were copied to the BUFFER on success and -1 on failure. */
Note that a similar comment in the stub implementation stdlib/getrandom.c
doesn't have this bug. Both comments are not quite correct about LENGTH,
though: they should say "Write up to LENGTH bytes" rather than "Write LENGTH
bytes".
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>From glibc-bugs-return-39560-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 26 18:47:03 2017
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Subject: [Bug nptl/22351] Unaligned pthread_cond_t stopped working
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https://sourceware.org/bugzilla/show_bug.cgi?id=22351
Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
CC| |schwab@linux-m68k.org
Resolution|INVALID |---
--- Comment #4 from Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> ---
Re-opening this bug, so that my previous comment receive a reply.
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>From glibc-bugs-return-39561-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Oct 26 21:07:45 2017
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Subject: [Bug libc/14898] Unable to create small static TLS block in shared library
Date: Thu, 26 Oct 2017 21:07:00 -0000
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--- Comment #11 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Schwab from comment #10)
> Fixed in 2.17.
Just for reference, the fix was to adjust the internal constant not to be the
same value as a small sized static TLS image. A workaround is always to
increase the size of the TLS storage.
commit 67cbf9a2a9e8953aa7ea875938d6646727c71aaa
Author: Andreas Schwab <schwab@linux-m68k.org>
Date: Fri Dec 7 14:55:19 2012 -0700
[BZ #14898]
* include/link.h (FORCED_DYNAMIC_TLS_OFFSET) [NO_TLS_OFFSET == 0]:
Change to -1.
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Subject: [Bug string/22353] New: sysdeps/i386/i586/strcpy.S isn't maintainable
Date: Thu, 26 Oct 2017 23:24:00 -0000
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Bug ID: 22353
Summary: sysdeps/i386/i586/strcpy.S isn't maintainable
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: string
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
Target: i586
sysdeps/i386/i586/strcpy.S has
andl $3, %ecx
#ifdef PIC
call 2f
cfi_adjust_cfa_offset (4)
2: popl %edx
cfi_adjust_cfa_offset (-4)
/* 0xb is the distance between 2: and 1: but we avoid writing
1f-2b because the assembler generates worse code. */
leal 0xb(%edx,%ecx,8), %ecx
#else
leal 1f(,%ecx,8), %ecx
#endif
jmp *%ecx
.align 8
1:
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
L(1): movl (%esi), %ecx
leal 4(%esi),%esi
Change a single instruction will break the jump table.
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To: glibc-bugs@sourceware.org
Subject: [Bug string/22354] New: Update indirect jump table in x86 assembly codes to enable IBT
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Bug ID: 22354
Summary: Update indirect jump table in x86 assembly codes to
enable IBT
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: string
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
Target: x86
All indirect jump table in x86 assembly codes should be updated
to enable IBT in Intel CET by adding ENDBR to each jump target.
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Subject: [Bug nptl/22351] Unaligned pthread_cond_t stopped working
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Tulio Magno Quites Machado Filho from comment #4)
> Re-opening this bug, so that my previous comment receive a reply.
There isn't much to say really. It's not supported. You have to know *exactly*
how every structure in the packed structure is going to be accessed and if
that's safe. In the case of POSIX threads, the person packing the structure
doesn't know how it will be accessed, and violating the ABI by packing is a
failure of the programmer. In some cases we can make this *safer* by
introducing explicit padding, but the lead element can still be unaligned, and
there is not way to fix that.
It can fail with any forced packing that happens to not honour what the actual
structures need, including pack(4), on hppa you needed aligned(16) for the ldcw
to work!
I think this is still a RESOLVED/INVALID use case.
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/15260] LC_MESSAGES.{yes,no}{str,expr}: various errors
Date: Fri, 27 Oct 2017 08:23:00 -0000
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--- Comment #2 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to daxim from comment #0)
> Created attachment 6922 [details]
> Perl tool for dumping LC_MESSAGES from the system glibc-locale installation
>
> 1. In the locales brx_IN, hne_IN, kok_IN, ml_IN, ta_IN, ta_LK and uk_UA, the
> yesstr/nostr LC_MESSAGES match against the whole answer word, or all letters
> of the answer word, but should only include the initial.
In case of uk_UA, there is a special reason for this, see the comments
in the locale source:
LC_MESSAGES
% WARNING: symbols "Y" and "Cyrillic_N" are placed at one key in Ukrainian
keyboard
% layout although the meaning is semantically opposite ("Y" stands for "Yes"
% while "Cyrillic_N" stands for "No").
%
% This problem may be dealt with by requiring at least two letters to be
% entered in Ukrainian language.
% A regular expression that describes possible yes-responses
% "y", "Y", "+", "ta" or "tak" in Cyrillic
yesexpr "^([+1Yy]|[Тт][Аа][Кк]?)$"
% WARNING: symbols "N" and "Cyrillic_T" are placed at one key in Ukrainian
% keyboard layout although the meaning is semantically opposite ("N" stands for
% "No" while "Cyrillic_T" stands for "Yes").
%
% We may require two Ukrainian letters as input to deal with this potential
% problem.
% A regular expression that describes possible no-responses.
% "n", "N", "-" or word "ni" in Cyrillic
noexpr "^([-0Nn]|[Нн][Іі])$"
% Output string for ``yes'' ("tak").
yesstr "так"
% Output string for ``no'' ("ni").
nostr "ні"
END LC_MESSAGES
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Subject: [Bug localedata/15260] LC_MESSAGES.{yes,no}{str,expr}: various errors
Date: Fri, 27 Oct 2017 09:25:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a4cc02c7413af4826fe8d13b6250c3fc47f15699
commit a4cc02c7413af4826fe8d13b6250c3fc47f15699
Author: Mike FABIAN <mfabian@redhat.com>
Date: Fri Oct 27 10:55:44 2017 +0200
tt_RU locale: make yesstr and nostr agree with CLDR by starting with lower
case letters
* localedata/locales/tt_RU (LC_MESSAGES): Start yesstr and nostr
with lowercase letters to make it agree with CLDR.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1e5971ec1452784d6cb59539442d92b7020378d5
commit 1e5971ec1452784d6cb59539442d92b7020378d5
Author: Mike FABIAN <mfabian@redhat.com>
Date: Fri Oct 27 10:53:35 2017 +0200
Fix all remaining issues of [BZ #15260]
[BZ #15260]
* localedata/locales/doi_IN (LC_MESSAGES): Match only for the
first letters of yesstr and nostr in yesexpr and noexpr,
not for the full words.
* localedata/locales/hne_IN (LC_MESSAGES): Likewise.
* localedata/locales/kok_IN (LC_MESSAGES): Likewise.
* localedata/locales/mr_IN (LC_MESSAGES): Likewise.
* localedata/locales/sat_IN (LC_MESSAGES): Likewise.
* localedata/locales/km_KH (LC_MESSAGES): Match also for the
first letters of yesstr and nostr in yesexpr and noexpr,
until now only English was matched in yesexpr and noexpr.
* localedata/locales/tl_PH (LC_MESSAGES): Use “copy "fil_PH"”
instead of “copy "en_US"”. CLDR has yesstr and nostr data for
fil but not for tl. As tl and fil are very similar, using fil
is probably better than using English.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc5fc7de2115847d9ed312a41713c6a4c724f3dd
commit bc5fc7de2115847d9ed312a41713c6a4c724f3dd
Author: Mike FABIAN <mfabian@redhat.com>
Date: Fri Oct 27 09:38:00 2017 +0200
br_FR locale: Use all lowercase in yesstr and nostr.
[BZ #21706]
* localedata/locales/br_FR (LC_MESSAGES): Use all lowercase
in yesstr and nostr.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 29 +++++++++++++++++++++++++++++
localedata/locales/br_FR | 4 ++--
localedata/locales/doi_IN | 4 ++--
localedata/locales/hne_IN | 4 ++--
localedata/locales/km_KH | 4 ++--
localedata/locales/kok_IN | 4 ++--
localedata/locales/mr_IN | 4 ++--
localedata/locales/sat_IN | 4 ++--
localedata/locales/tl_PH | 2 +-
localedata/locales/tt_RU | 4 ++--
10 files changed, 46 insertions(+), 17 deletions(-)
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Subject: [Bug localedata/21706] yesstr and nostr are missing for Breton [LC_MESSAGES] locale
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--- Comment #11 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit a4cc02c7413af4826fe8d13b6250c3fc47f15699
Author: Mike FABIAN <mfabian@redhat.com>
Date: Fri Oct 27 10:55:44 2017 +0200
tt_RU locale: make yesstr and nostr agree with CLDR by starting with lower
case letters
* localedata/locales/tt_RU (LC_MESSAGES): Start yesstr and nostr
with lowercase letters to make it agree with CLDR.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1e5971ec1452784d6cb59539442d92b7020378d5
commit 1e5971ec1452784d6cb59539442d92b7020378d5
Author: Mike FABIAN <mfabian@redhat.com>
Date: Fri Oct 27 10:53:35 2017 +0200
Fix all remaining issues of [BZ #15260]
[BZ #15260]
* localedata/locales/doi_IN (LC_MESSAGES): Match only for the
first letters of yesstr and nostr in yesexpr and noexpr,
not for the full words.
* localedata/locales/hne_IN (LC_MESSAGES): Likewise.
* localedata/locales/kok_IN (LC_MESSAGES): Likewise.
* localedata/locales/mr_IN (LC_MESSAGES): Likewise.
* localedata/locales/sat_IN (LC_MESSAGES): Likewise.
* localedata/locales/km_KH (LC_MESSAGES): Match also for the
first letters of yesstr and nostr in yesexpr and noexpr,
until now only English was matched in yesexpr and noexpr.
* localedata/locales/tl_PH (LC_MESSAGES): Use “copy "fil_PH"”
instead of “copy "en_US"”. CLDR has yesstr and nostr data for
fil but not for tl. As tl and fil are very similar, using fil
is probably better than using English.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc5fc7de2115847d9ed312a41713c6a4c724f3dd
commit bc5fc7de2115847d9ed312a41713c6a4c724f3dd
Author: Mike FABIAN <mfabian@redhat.com>
Date: Fri Oct 27 09:38:00 2017 +0200
br_FR locale: Use all lowercase in yesstr and nostr.
[BZ #21706]
* localedata/locales/br_FR (LC_MESSAGES): Use all lowercase
in yesstr and nostr.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 29 +++++++++++++++++++++++++++++
localedata/locales/br_FR | 4 ++--
localedata/locales/doi_IN | 4 ++--
localedata/locales/hne_IN | 4 ++--
localedata/locales/km_KH | 4 ++--
localedata/locales/kok_IN | 4 ++--
localedata/locales/mr_IN | 4 ++--
localedata/locales/sat_IN | 4 ++--
localedata/locales/tl_PH | 2 +-
localedata/locales/tt_RU | 4 ++--
10 files changed, 46 insertions(+), 17 deletions(-)
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/15260] LC_MESSAGES.{yes,no}{str,expr}: various errors
Date: Fri, 27 Oct 2017 09:28:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
All remaining issues are fixed now in glibc master.
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From: "prathap34 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22355] New: version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference
Date: Fri, 27 Oct 2017 10:15:00 -0000
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Bug ID: 22355
Summary: version GLIBC_PRIVATE not defined in file libc.so.6
with link time reference
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: critical
Priority: P2
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Reporter: prathap34 at gmail dot com
CC: drepper.fsp at gmail dot com
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To: glibc-bugs@sourceware.org
Subject: [Bug nptl/22351] Unaligned pthread_cond_t stopped working
Date: Fri, 27 Oct 2017 11:09:00 -0000
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Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |INVALID
--- Comment #6 from Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> ---
Thank you for the clarification!
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>From glibc-bugs-return-39571-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 27 15:47:19 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22355] version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference
Date: Fri, 27 Oct 2017 15:47:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |carlos at redhat dot com
Resolution|--- |INVALID
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
This bug does not contain any data. Closing as RESOLVED/INVALID.
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>From glibc-bugs-return-39573-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 27 16:42:41 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug locale/22357] iconv configuration should be in /etc
Date: Fri, 27 Oct 2017 16:42:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|iconv configuration file in |iconv configuration should
|/usr |be in /etc
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>From glibc-bugs-return-39572-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 27 16:42:26 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/22357] New: iconv configuration file in /usr
Date: Fri, 27 Oct 2017 16:42:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22357
Bug ID: 22357
Summary: iconv configuration file in /usr
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
Target Milestone: ---
The gconv-modules configuration file is currently, and by default, installed
into /usr, normally /usr/lib[64]/gconv/, and along with the gconv DSO
converters.
We should not be placing configuration data in /usr. Is there any reason we
don't move this file to /etc? In /etc it would be well identified as a
configuration file and more easily supported by underlying distro tools.
I will file a distinct bug for moving gconv-modules.cache and ld.so.cache.
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>From glibc-bugs-return-39574-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 27 16:43:38 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug locale/22358] New: iconv cache should be in /var/cache
Date: Fri, 27 Oct 2017 16:43:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22358
Bug ID: 22358
Summary: iconv cache should be in /var/cache
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
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The iconv cache gconv-modules.cache should live in /var/cache not /usr.
We should move gconv-modules.cache, like we did for ld.so's aux-cache, into
/var/cache.
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>From glibc-bugs-return-39575-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 27 16:52:55 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22359] New: ld.so's cache should live in /var/cache, and support cache deletion.
Date: Fri, 27 Oct 2017 16:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22359
Bug ID: 22359
Summary: ld.so's cache should live in /var/cache, and support
cache deletion.
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: carlos at redhat dot com
Target Milestone: ---
The dynamic loader's cache, ld.so.cache, currently resides in /etc, but it is a
cache, and by it's very definition it should live in /var/cache.
However, because /var might not be mounted early on, it would negatively impact
application performance if the cache was missing. Worse, when special
directories are added to the ld.so.conf, it might actually prevent applications
from starting if it was missing.
Then again the counter-point is that /var, for system logging purposes, has to
be present immediately when the system boots, and on Fedora /var is /.
We should evaluate the benefits of moving ld.so.cache to /var/cache to match
the policy that as a cache file it should be removable without any problems.
This entire change probably requires two changes:
* If the dynamic loader might fail to load a DSO, and the cache is missing,
parse /etc/ld.so.conf to look for additional search directories that were
cache-only, and thus continue to operate even in the absence of the cache.
* Move the cache to /var/ldconfig/ld.so.cache so it can be managed as a proper
cache by tooling that does so.
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>From glibc-bugs-return-39576-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 27 17:10:02 2017
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/22357] iconv configuration should be in /etc
Date: Fri, 27 Oct 2017 17:10:00 -0000
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
I don't think it's configuration data - I'd consider it to be code that
simply happens to be in a textual format, not something for which any
local modifications by the administrator should be supported. As such,
/usr is a proper location for it.
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>From glibc-bugs-return-39577-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 27 18:33:42 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/22357] iconv configuration should be in /etc
Date: Fri, 27 Oct 2017 18:33:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to joseph@codesourcery.com from comment #1)
> I don't think it's configuration data - I'd consider it to be code that
> simply happens to be in a textual format, not something for which any
> local modifications by the administrator should be supported. As such,
> /usr is a proper location for it.
... but on an s390x system you have hardware accelerated modules which you may
wish, as a system administrator, to disable or enable for a number of reasons.
So there are aspects of the file that users and administrators may wish to
change.
Moving gconv-modules to /etc also only works for the "default" configuration
file, in all other cases the non-default directories need their own
gconv-modules otherwise those paths won't be considered valid paths specified
in the GCONV_PATH env var. User installed gconv-modules could be symlinks to
/etc/gconv-modules.d/* files and we could recommend that in the manual (which
currently talks briefly about gconv-modules).
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>From glibc-bugs-return-39578-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Oct 27 19:11:06 2017
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From: "federico.kircheis at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22360] New: Wl not wrapping all functions call
Date: Fri, 27 Oct 2017 19:11:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22360
Bug ID: 22360
Summary: Wl not wrapping all functions call
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: federico.kircheis at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Hello, I hope I'm reporting the bug to the right group.
I've opened the bug at gcc, but it seems to be an "issue" of the linker or
glibc (see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82736).
I'm trying to mocking (wrapping) function calls for getting the current time.
I would like to do it mainly for unit testing.
I was able to use successfully "-Wl,wrap=time", "-Wl,wrap=clock_gettime" and so
one as parameters for the compiler (which are passed to the linker) for mocking
calls to time, gettime, and so on.
Unfortunately when using chrono, the wrapped function does not get called, here
is an example:
----------------------------------------
#include <chrono>
#include <cassert>
#include <time.h>
extern "C" {
#if USE_WRAP
int __wrap_clock_gettime(clockid_t, struct timespec *tp) {
#else
int clock_gettime(clockid_t, struct timespec *tp) {
#endif
*tp = {};
tp->tv_sec = 123;
return 0;
}
}
int main(){
clockid_t clk_id{};
struct timespec tp;
auto res = clock_gettime(clk_id, &tp);
assert(res == 0);
assert(tp.tv_sec == 123);
auto now = std::chrono::system_clock::now();
auto now_t = std::chrono::system_clock::to_time_t(now);
assert(now_t == 123);
}
-------------------------------------------
When executing "g++ -std=c++11 main.cpp && ./a.out" the program runs and
returns 0, while when executing "g++ -std=c++11 -DUSE_WRAP
"-Wl,-wrap=clock_gettime" main.cpp && ./a.out" the program crashes with "int
main(): Assertion `now_c == 123' failed.".
AFAIK the version compiled without the macro USE_WRAP is UB , even if it works.
Therefore I would prefer to use the "-Wl" compiler option.
The statement "assert(tp.tv_sec == 123);" assures that the "mocked" version of
the function is called. This happens in both cases.
I've also tried to implement wrapping functions for time() and gettimeofday()
(with and without the wrap option), but it did not made any difference.
I've also tried to compile those functions in a shared library, but it did not
made a difference either.
I would like to find a robust way for wrapping all OS functions call for
querying what time it is and eventually call the original function through
dlsym(RTLD_NEXT, func_name)).
When linking statically (with "-static" or "-static-libstdc++"), the wrapped
function gets called. It would be of course great if it would be possible to
get the same behavior without linking statically.
If it may be somehow relevant, clang++ behaved exactly the same way in all
scenarios (with static linking, with and without the -Wl compiler option, when
compiling the functions as shared library and so on).
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Subject: [Bug math/21966] AVX2 mathvec functions use FMA without checking
Date: Fri, 27 Oct 2017 20:03:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed.
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Subject: [Bug math/21912] Optimize float math functions with FMA
Date: Fri, 27 Oct 2017 20:04:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #24 from H.J. Lu <hjl.tools at gmail dot com> ---
Will open a new bug if needed.
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Subject: [Bug string/22353] sysdeps/i386/i586/strcpy.S isn't maintainable
Date: Fri, 27 Oct 2017 20:21:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pr22353/master has been created
at 5ed1b97d3112ce0f5d3cf57e7e50d6b1481740be (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5ed1b97d3112ce0f5d3cf57e7e50d6b1481740be
commit 5ed1b97d3112ce0f5d3cf57e7e50d6b1481740be
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 27 06:31:57 2017 -0700
Add strcpy-stosb.S
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cc4474bf8263e6621dff29a12d8a5ddd39ec800e
commit cc4474bf8263e6621dff29a12d8a5ddd39ec800e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 27 03:09:12 2017 -0700
Add i386 strcpy.S
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b44640054b78c21bf3176dd0e82c4c8f5c2b758c
commit b44640054b78c21bf3176dd0e82c4c8f5c2b758c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 27 02:31:13 2017 -0700
i586: Use a jump table in strcpy.S {BZ #22353]
i586 strcpy.S used a clever trick with LEA to avoid jump table:
/* ECX has the last 2 bits of the address of source - 1. */
andl $3, %ecx
call 2f
2: popl %edx
/* 0xb is the distance between 2: and 1:. */
leal 0xb(%edx,%ecx,8), %ecx
jmp *%ecx
.align 8
1: /* ECX == 0 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 1 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 2 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 3 */
L(1): movl (%esi), %ecx
leal 4(%esi),%esi
This may fail if there are instruction changes before L(1):. This patch
replaces it with a jump table which works with any instruction changes.
Tested on i586 and i686 with and without --disable-multi-arch.
{BZ #22353]
* sysdeps/i386/i586/strcpy.S (JMPTBL): New.
(BRANCH_TO_JMPTBL_ENTRY): Likewise.
(STRCPY): Use it.
(1): Renamed to ...
(L(Src0)): This.
(L(Src1)): New.
(L(Src2)): Likewise.
(L(1)): Renamed to ...
(L(Src3)): This.
(L(SrcTable)): New.
-----------------------------------------------------------------------
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22362] New: Installed crt1.o, crti,.o and crtn.o files are used with -m32
Date: Fri, 27 Oct 2017 22:44:00 -0000
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Bug ID: 22362
Summary: Installed crt1.o, crti,.o and crtn.o files are used
with -m32
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Host: i686
Target: x86-64
On x86-64, when building i686 glibc using x86-64 GCC with -m32,
installed crt1.o, crti,.o and crtn.o files are used to create
i686 shared libraries due to:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82754
GCC first looks for crt files under ./32. It checks ./ only if the installed
crt files don't exist.
Should we make copies of crt1.o, crti,.o and crtn.o under csu/32?
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22362] Installed crt1.o, crti,.o and crtn.o files are used with -m32
Date: Fri, 27 Oct 2017 22:50:00 -0000
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
You'll need to give a more detailed explanation of what the problem is and
why it's not actually a mistake in the way you are configuring or building
glibc. gcc -B should not be used in the glibc build. I build 32-bit
glibc with 64-bit compilers routinely and have never seen this problem.
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Subject: [Bug libc/22362] Installed crt1.o, crti,.o and crtn.o files are used with -m32
Date: Fri, 27 Oct 2017 23:03:00 -0000
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--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to joseph@codesourcery.com from comment #1)
> You'll need to give a more detailed explanation of what the problem is and
> why it's not actually a mistake in the way you are configuring or building
> glibc. gcc -B should not be used in the glibc build. I build 32-bit
> glibc with 64-bit compilers routinely and have never seen this problem.
When I built i686 glibc on x86-64 using x86-64 GCC with -m32, for
crypt/libcrypt.so, I got
gcc -m32 -shared -static-libgcc -Wl,-O1 -Wl,-z,defs
-Wl,-dynamic-linker=/lib/ld-linux.so.2
-B/export/build/gnu/glibc-32bit/build-i686-linux/csu/
-Wl,--version-script=/export/build/gnu/glibc-32bit/build-i686-linux/libcrypt.map
-Wl,-soname=libcrypt.so.1 -Wl,-z,combreloc -Wl,-z,relro -Wl,--hash-style=both
-L/export/build/gnu/glibc-32bit/build-i686-linux
-L/export/build/gnu/glibc-32bit/build-i686-linux/math
-L/export/build/gnu/glibc-32bit/build-i686-linux/elf
-L/export/build/gnu/glibc-32bit/build-i686-linux/dlfcn
-L/export/build/gnu/glibc-32bit/build-i686-linux/nss
-L/export/build/gnu/glibc-32bit/build-i686-linux/nis
-L/export/build/gnu/glibc-32bit/build-i686-linux/rt
-L/export/build/gnu/glibc-32bit/build-i686-linux/resolv
-L/export/build/gnu/glibc-32bit/build-i686-linux/crypt
-L/export/build/gnu/glibc-32bit/build-i686-linux/mathvec
-L/export/build/gnu/glibc-32bit/build-i686-linux/support
-L/export/build/gnu/glibc-32bit/build-i686-linux/nptl
-Wl,-rpath-link=/export/build/gnu/glibc-32bit/build-i686-linux:/export/build/gnu/glibc-32bit/build-i686-linux/math:/export/build/gnu/glibc-32bit/build-i686-linux/elf:/export/build/gnu/glibc-32bit/build-i686-linux/dlfcn:/export/build/gnu/glibc-32bit/build-i686-linux/nss:/export/build/gnu/glibc-32bit/build-i686-linux/nis:/export/build/gnu/glibc-32bit/build-i686-linux/rt:/export/build/gnu/glibc-32bit/build-i686-linux/resolv:/export/build/gnu/glibc-32bit/build-i686-linux/crypt:/export/build/gnu/glibc-32bit/build-i686-linux/mathvec:/export/build/gnu/glibc-32bit/build-i686-linux/support:/export/build/gnu/glibc-32bit/build-i686-linux/nptl
-o /export/build/gnu/glibc-32bit/build-i686-linux/crypt/libcrypt.so -T
/export/build/gnu/glibc-32bit/build-i686-linux/shlib.lds
/export/build/gnu/glibc-32bit/build-i686-linux/csu/abi-note.o
-Wl,--whole-archive
/export/build/gnu/glibc-32bit/build-i686-linux/crypt/libcrypt_pic.a
-Wl,--no-whole-archive -Wl,--start-group
/export/build/gnu/glibc-32bit/build-i686-linux/libc.so
/export/build/gnu/glibc-32bit/build-i686-linux/libc_nonshared.a -Wl,--as-needed
/export/build/gnu/glibc-32bit/build-i686-linux/elf/ld.so -Wl,--no-as-needed
-Wl,--end-group
When I added -v, it shows /lib/crt*.o are passed to linker.
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>From glibc-bugs-return-39585-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 28 02:26:37 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/21302] strcoll does not correctly follow locale-specified order in some cases
Date: Sat, 28 Oct 2017 02:26:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21302
Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2017-10-28
Assignee|unassigned at sourceware dot org |carlos at redhat dot com
Ever confirmed|0 |1
--- Comment #11 from Carlos O'Donell <carlos at redhat dot com> ---
OK, I have fixed the code-point collation sorting issue.
There are 2 problems:
(a) The collation table builder and thus the weights ignores characters in the
collation specification if they do not exactly match the hash of the symbolic
name from the charmap. This is arguably a QoI issue, but it needs an explicit
warning for all UTF-8 locales to catch typos in the collation tables.
(b) Since the UTF-8 charmap uses 4 or 8 character code point names, the
collation must also use *identically* matching symbols or those symbols are
silently ignored and have no weights. This is where the Debian and Fedora
collations got it wrong, effectively we have giant ranges of typos (and
ellipsis generating typos in the thousands) that do not have correct weights.
Once I added the new warnings for (a), I could find all the problems with the
locale file and fix (b).
To solve this I'm adding a new --warning=missingcollchar warning which I plan
to turn on for all locales being compiled with UTF-8, it will also be turned on
by verbose, such that users can see these warnings when developing a locale. We
cannot turn them on by default because it is entirely allowed to have a
collation sequence whose characters may not exist in the charmap you are using,
and so can be safely ignored.
After that I'm going to send my C.UTF-8 patch upstream for review so all the
distros can have a harmonized C.UTF-8 to use with correct collation.
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>From glibc-bugs-return-39586-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 28 18:22:57 2017
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From: "arthur200126 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/20865] charmaps: cp950 needs Windows EUDC/PUA mappings
Date: Sat, 28 Oct 2017 18:22:00 -0000
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Mingye Wang <arthur200126 at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|charmaps: cp950 does not |charmaps: cp950 needs
|contain EUDC/PUA mappings |Windows EUDC/PUA mappings
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>From glibc-bugs-return-39587-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Oct 28 23:54:19 2017
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Subject: [Bug libc/22362] Installed crt1.o, crti,.o and crtn.o files are used with -m32
Date: Sat, 28 Oct 2017 23:54:00 -0000
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--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
We should move this from nptl/Makefile to csu/Makefile:
ifeq ($(build-shared),yes)
# Set the `multidir' variable by grabbing the variable from the compiler.
# We do it once and save the result in a generated makefile.
-include $(objpfx)multidir.mk
$(objpfx)multidir.mk: $(common-objpfx)config.make
$(make-target-directory)
dir=`$(CC) $(CFLAGS) $(CPPFLAGS) -print-multi-directory`; \
echo "multidir := $$dir" > $@T
mv -f $@T $@
crti-objs := crti.o
crtn-objs := crtn.o
ifneq (,$(patsubst .,,$(multidir)))
generated-dirs += $(firstword $(subst /, , $(multidir)))
crti-objs += $(multidir)/crti.o
crtn-objs += $(multidir)/crtn.o
$(objpfx)$(multidir):
mkdir -p $@
endif
extra-objs += $(crti-objs) $(crtn-objs)
extra-objs += pt-crti.o
endif
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>From glibc-bugs-return-39588-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 29 01:38:10 2017
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Subject: [Bug dynamic-link/22363] New: Wrong platform is used for x32
Date: Sun, 29 Oct 2017 01:38:00 -0000
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Bug ID: 22363
Summary: Wrong platform is used for x32
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
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Target Milestone: ---
Target: x32
[hjl@gnu-tools-1 build-x86_64-linux]$ LD_SHOW_AUXV=1 elf/tst-align
AT_SYSINFO_EHDR: 0xffbb4000
AT_HWCAP: bfebfbff
AT_PAGESZ: 4096
AT_CLKTCK: 100
AT_PHDR: 0x400034
AT_PHENT: 32
AT_PHNUM: 9
AT_BASE: 0xf7d5b000
AT_FLAGS: 0x0
AT_ENTRY: 0x400f10
AT_UID: 1000
AT_EUID: 1000
AT_GID: 1000
AT_EGID: 1000
AT_SECURE: 0
AT_RANDOM: 0xffabe5fb
AT_HWCAP2: 0x0
AT_EXECFN: elf/tst-align
AT_PLATFORM: i686
^^^^^^^^^^^^^^^^^^^^^^^^^ This should be x86_64.
__int128: 18 0xffabde60 16
double: 12 0xffabde58 8
ldouble: 15 0xffabde70 16
__int128: 18 0xffabe020 16
double: 12 0xffabe018 8
ldouble: 15 0xffabe030 16
[hjl@gnu-tools-1 build-x86_64-linux]$
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>From glibc-bugs-return-39589-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 29 02:07:01 2017
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Subject: [Bug libc/22362] Installed crt1.o, crti,.o and crtn.o files are used with -m32
Date: Sun, 29 Oct 2017 02:06:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pr22362/master has been created
at 340c6cf9bdf6734013f0c6b4e0d8f3a10fbd4ed0 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=340c6cf9bdf6734013f0c6b4e0d8f3a10fbd4ed0
commit 340c6cf9bdf6734013f0c6b4e0d8f3a10fbd4ed0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Oct 28 17:41:16 2017 -0700
Use newly built crt*.o files to build shared objects [BZ #22362]
When multi-lib GCC is used to build glibc, the search order of GCC driver
for crt*.o is -B*/`gcc -print-multi-directory`, the installed diretory,
-B*/. This patch extends multi-lib support from nptl/Makefile to
csu/Makefile so that -B/glibc-build-directory/csu/ will pick up the newly
built crt*.o.
Tested on x86-64 for i686 and x32.
[BZ #22362]
* config.make.in (multidir): New.
* configure.ac (libc_cv_multidir): New. AC_SUBST.
* configure: Regenerated.
* csu/Makefile [$(multidir) != .](multilib-extra-objs): New.
[$(multidir) != .](extra-objs): Add $(multilib-extra-objs).
[$(multidir) != .]($(addprefix $(objpfx)$(multidir)/, $(install-lib))):
New target.
* nptl/Makefile: Don't include multidir.mk.
($(objpfx)multidir.mk): Removed.
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Subject: [Bug string/22353] sysdeps/i386/i586/strcpy.S isn't maintainable
Date: Sun, 29 Oct 2017 16:59:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, hjl/pr22353/master has been created
at 75588c0e4cd27ad868256d094b5f7646bc404ca8 (commit)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=75588c0e4cd27ad868256d094b5f7646bc404ca8
commit 75588c0e4cd27ad868256d094b5f7646bc404ca8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 27 06:31:57 2017 -0700
Add strcpy-stosb.S
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2fa584ae979326fd9cb33e6df9c50976643cbd84
commit 2fa584ae979326fd9cb33e6df9c50976643cbd84
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 27 03:09:12 2017 -0700
Add i386 strcpy.S
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d78abd26b8c8da5b9d67773343824606f9c96a6a
commit d78abd26b8c8da5b9d67773343824606f9c96a6a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 27 02:31:13 2017 -0700
i586: Use a jump table in strcpy.S [BZ #22353]
i586 strcpy.S used a clever trick with LEA to avoid jump table:
/* ECX has the last 2 bits of the address of source - 1. */
andl $3, %ecx
call 2f
2: popl %edx
/* 0xb is the distance between 2: and 1:. */
leal 0xb(%edx,%ecx,8), %ecx
jmp *%ecx
.align 8
1: /* ECX == 0 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 1 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 2 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 3 */
L(1): movl (%esi), %ecx
leal 4(%esi),%esi
This may fail if there are instruction changes before L(1):. This patch
replaces it with a jump table which works with any instruction changes.
Tested on i586 and i686 with and without --disable-multi-arch.
[BZ #22353]
* sysdeps/i386/i586/strcpy.S (JMPTBL): New.
(BRANCH_TO_JMPTBL_ENTRY): Likewise.
(STRCPY): Use it.
(1): Renamed to ...
(L(Src0)): This.
(L(Src1)): New.
(L(Src2)): Likewise.
(L(1)): Renamed to ...
(L(Src3)): This.
(L(SrcTable)): New.
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>From glibc-bugs-return-39591-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Oct 29 19:34:09 2017
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Subject: [Bug libc/22362] Installed crt1.o, crti,.o and crtn.o files are used with -m32
Date: Sun, 29 Oct 2017 19:34:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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The branch, hjl/pr22362/symlink has been created
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d7ca99d742d11803ab0e2b594ab828886bc069dc
commit d7ca99d742d11803ab0e2b594ab828886bc069dc
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 29 12:03:03 2017 -0700
nptl: Simplify libpthread.so rules
libpthread.so must be created against a special crti.o and when multi-lib
GCC is used to build glibc, the special crti.o must be placed under the
`gcc -print-multi-directory` subdirectory so that -B$(common-objpfx)nptl/
will pick it up. This patch compiles the special crti.o directly with
"-include pt-crti.h" and uses the new make-link-multidir from the fix
for [BZ #22362] to create the symlink for the multi-lib subdirectory.
It simplifies libpthread.so rules to support -B$(common-objpfx)nptl/
and -B$(common-objpfx)/ for correct crt*.o files.
Tested on x86-64 for x86-64, i686 and x32.
* nptl/Makefile (multidir.mk): Don't generate.
($(objpfx)multidir.mk): Removed.
(crtn-objs): Likewise.
(generated-dirs): Don't add $(multidir).
(multilib-crti-objs): New.
(extra-objs): Use $(multilib-crti-objs). Don't add pt-crti.o.
($(objpfx)libpthread.so): Removed.
(CPPFLAGS-crti.o): New.
($(objpfx)crti.o): Removed.
($(objpfx)$(multidir)/crti.o): Likewise.
($(objpfx)$(multidir)/crtn.o): Likewise.
($(addprefix $(objpfx)$(multidir)/, $(crti-objs))): New target.
(generated): Remove multidir.mk.
* nptl/pt-crti.S: Renamed to ...
* nptl/pt-crti.h: This. Don't include <crti.S>.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3242db2138de7e0786ee3806f8bd016925d06099
commit 3242db2138de7e0786ee3806f8bd016925d06099
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Oct 28 17:41:16 2017 -0700
Use newly built crt*.o files to build shared objects [BZ #22362]
When multi-lib GCC is used to build glibc, the search order of GCC driver
for crt*.o is -B*/`gcc -print-multi-directory`, the installed diretory,
-B*/. This patch adds multi-lib support to csu/Makefile so that
-B/glibc-build-directory/csu/ will pick up the newly built crt*.o.
Tested on x86-64 for i686 and x32.
[BZ #22362]
* Makerules (make-link-multidir): New.
* config.make.in (multidir): New.
* configure.ac (libc_cv_multidir): New. AC_SUBST.
* configure: Regenerated.
* csu/Makefile [$(multidir) != .](multilib-extra-objs): New.
[$(multidir) != .](extra-objs): Add $(multilib-extra-objs).
[$(multidir) != .]($(addprefix $(objpfx)$(multidir)/, $(install-lib))):
New target.
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Subject: [Bug dynamic-link/22363] Wrong platform is used for x32
Date: Sun, 29 Oct 2017 21:16:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, hjl/pr22363/master has been created
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7d6fbf5876d66e319ed4d1e0881528b70d84c44e
commit 7d6fbf5876d66e319ed4d1e0881528b70d84c44e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Oct 29 14:12:01 2017 -0700
x32: Set GLRO(dl_platform) to "x86_64" by default [BZ #22363]
Set dl_platform to "x86_64" for x32 by default since kernel may set it
to "i686". This fixed:
FAIL: elf/tst-platform-1
on x32. Tested on x86-64 and x32.
[BZ #22363]
* sysdeps/x86/cpu-features.c (init_cpu_features): Set
GLRO(dl_platform) to "x86_64" by default for x32.
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>From glibc-bugs-return-39593-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Oct 30 07:00:50 2017
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/21897] aa_DJ: fix abmon:abday
Date: Mon, 30 Oct 2017 07:00:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |maiku.fabian at gmail dot com
--- Comment #3 from Mike FABIAN <maiku.fabian at gmail dot com> ---
These are 13 month names.
http://www.mcit.gov.et/documents/1268465/1282796/Localization+Standard+for+AFARAF/4dab7d83-e6df-4f4f-b236-b89748c456e9?version=1.0
says:
> 9. Calendar
> 9.1 System of the Calendar
>
> Ethiopia officially uses a calendar which is different from the
> Gregorian calendar. The calendar is known as Ethiopian Calendar (E.C.)
> which is 7 years behind the Gregorian calendar, from September 11/ 12 to
> December, and 8 years behind for the rest, i.e. January to September
> 10/ 11. The calendar has 12 months each having 30 days equally and an
> additional 5/6 days depending on the leap year, where 5 days are during
> normal year and 6 days for the Ethiopian leap year. These additional 5/6
> days are called P'agume and come at the end of the year as the “13th
> month”.
>
> In the Ethiopian calendar, New Year starts on the 1st of the month of
> Meskerem which falls on 11th of September in the Gregorian calendar
> except the year next to the Ethiopian leap year which is September 12.
>
> 9.2 Names of Months
> Table 3: Afaraf names of months
>
> [... table with the names of the 13 months ...]
I’m not sure how this can be put in to the aa_* locale files at all.
glibc does not support Ethiopian calendar.
Rafał Lużyński writes:
> If preparing locales for the countries which use non-Gregorian
> calendars we should rather ask how do they call Gregorian months.
I agree.
So unless a native speaker tells us how to call the Gregorian
months correctly, we cannot fix this.
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/21897] aa_DJ: fix abmon:abday
Date: Mon, 30 Oct 2017 07:02:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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----------------------------------------------------------------------------
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Resolution|--- |INVALID
--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Closing as INVALID because changing the month
names to those of the Ethiopian calendar cannot
work when glibc does not support the Ethiopian calendar.
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/15537] lv_LV: invalid collation for Latvian diacritical letters
Date: Mon, 30 Oct 2017 07:52:00 -0000
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--- Comment #1 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Theh CLDR collation rules
for Latvian look like this:
http://unicode.org/cldr/trac/browser/trunk/common/collation/lv.xml
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Subject: [Bug localedata/13953] km_KH: locale update
Date: Mon, 30 Oct 2017 11:10:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit b110af8278588c51f29ff00ec5577566b77b9039
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Oct 30 11:46:05 2017 +0100
km_KH locale: remove tags which were using Lao characters [BZ #13953]
[BZ #13953]
* localedata/locales/km_KH: Use ASCII as much
as possible for better readability of the source and
remove useless comments.
* localedata/locales/km_KH (LC_TIME): Remove era stuff, it
was commented out and apparently wrong anyway because it was
using Lao characters. If Buddhist era should be used
for km_KH, a native speaker should write the correct formaat
for Khmer.
* localedata/locales/km_KH (LC_TIME): Add first_weekday 1
(According to CLDR, the first weekday for Cambodia is Sunday).
* localedata/locales/km_KH (LC_NAME): Remove name_mr and name_mrs
(These were using Lao characters which must be wrong. If we get
the correct data from a native speaker, we could add it back, until
then it is better not to have name_mr and name_mrs at all than
having it wrong).
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 19 +++++++++++
localedata/locales/km_KH | 78 ++++++++++++---------------------------------
2 files changed, 40 insertions(+), 57 deletions(-)
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Subject: [Bug localedata/13953] km_KH: locale update
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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Subject: [Bug localedata/19485] csb_PL: update month translations
Date: Mon, 30 Oct 2017 12:07:00 -0000
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--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fbcecc08c948a719c79ebd8a545e89670fe19faf
commit fbcecc08c948a719c79ebd8a545e89670fe19faf
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Oct 30 12:48:43 2017 +0100
csb_PL locale: Fix “abmon” for March and use a better translation for March
in “mon” [BZ #19485]
[BZ #19485]
* localedata/locales/csb_PL (LC_TIME): Fix “abmon” for March
and use a better translation for March in “mon”.
* localedata/locales/csb_PL: Use more ASCII to improve the
readability of the source.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
localedata/locales/csb_PL | 31 ++++++++++++-------------------
2 files changed, 20 insertions(+), 19 deletions(-)
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Subject: [Bug localedata/19485] csb_PL: update month translations
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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----------------------------------------------------------------------------
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CC| |maiku.fabian at gmail dot com
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--- Comment #11 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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Subject: [Bug string/22353] sysdeps/i386/i586/strcpy.S isn't maintainable
Date: Mon, 30 Oct 2017 12:45:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 610a04b517cadd2a461515ffa8da77b42ccb596e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 27 06:31:57 2017 -0700
Add strcpy-stosb.S
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9b733b73b096a7c2f685c427d89431444603ac9f
commit 9b733b73b096a7c2f685c427d89431444603ac9f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 27 03:09:12 2017 -0700
Add i386 strcpy.S
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9a89973274f901f4c3313e6e2b84d6b2108c7924
commit 9a89973274f901f4c3313e6e2b84d6b2108c7924
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Oct 27 02:31:13 2017 -0700
i586: Use a jump table in strcpy.S [BZ #22353]
i586 strcpy.S used a clever trick with LEA to avoid jump table:
/* ECX has the last 2 bits of the address of source - 1. */
andl $3, %ecx
call 2f
2: popl %edx
/* 0xb is the distance between 2: and 1:. */
leal 0xb(%edx,%ecx,8), %ecx
jmp *%ecx
.align 8
1: /* ECX == 0 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 1 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 2 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 3 */
L(1): movl (%esi), %ecx
leal 4(%esi),%esi
This may fail if there are instruction length changes before L(1):. This
patch replaces it with a jump table which works with any instruction length
changes.
Tested on i586 and i686 with and without --disable-multi-arch.
[BZ #22353]
* sysdeps/i386/i586/strcpy.S (JMPTBL): New.
(BRANCH_TO_JMPTBL_ENTRY): Likewise.
(STRCPY): Use it.
(1): Renamed to ...
(L(Src0)): This.
(L(Src1)): New.
(L(Src2)): Likewise.
(L(1)): Renamed to ...
(L(Src3)): This.
(L(SrcTable)): New.
-----------------------------------------------------------------------
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/21327] Libstdc++ would like another way to get some POSIX declarations that it currently gets via _GNU_SOURCE
Date: Mon, 30 Oct 2017 13:33:00 -0000
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--- Comment #2 from Jonathan Wakely <jwakely.gcc at gmail dot com> ---
I forgot the following names that are used from <pthread.h> via libgcc's
<gthr-posix.h> header. These are declared unconditionally (even without
_GNU_SOURCE) but ideally libstdc++ wouldn't have to include <pthread.h> to use
these features:
pthread_once_t
PTHREAD_ONCE_INIT
pthread_once
pthread_cond_t
PTHREAD_COND_INITIALIZER
pthread_cond_timedwait
pthread_mutex_t
PTHREAD_MUTEX_INITIALIZER
PTHREAD_RECURSIVE_MUTEX_INITIALIZER
pthread_mutex_lock
pthread_mutex_trylock
pthread_mutex_unlock
On the other hand, I'm not terribly concerned if these names are visible. They
might not be reserved by the C++ standard, but users who expect to be able to
redefine these names for their own uses on a GNU/Linux system are probably not
sane.
I should also say that we use __locale_t from <locale.h>, as well as uselocale.
But that's in the implementation namespace so isn't a problem. If we just had
access to __locale_t and __uselocale that would be fine. The code that uses
freelocale and other APIs are compiled into libstdc++.so so we can use
_GNU_SOURCE there. Since __locale_t is an opaque type we could just declare it
ourselves without including <locale.h> if necessary:
typedef struct __locale_struct *__locale_t;
extern "C" __locale_t __uselocale(__locale_t);
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Subject: [Bug dynamic-link/22359] ld.so's cache should live in /var/cache, and support cache deletion.
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Michal Schmidt <mschmidt at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mschmidt at redhat dot com
--- Comment #1 from Michal Schmidt <mschmidt at redhat dot com> ---
(In reply to Carlos O'Donell from comment #0)
> Then again the counter-point is that /var, for system logging purposes, has
> to be present immediately when the system boots, and on Fedora /var is /.
Fedora allows /var to be a separate mount from /.
systemd-journald solves the logging problem by storing the logs in
/run/log/journal (on tmpfs) until /var/log/journal is mounted. Then
systemd-journal-flush.service moves the logs to the persistent location.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/21327] Libstdc++ would like another way to get some POSIX declarations that it currently gets via _GNU_SOURCE
Date: Mon, 30 Oct 2017 13:41:00 -0000
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--- Comment #3 from Jonathan Wakely <jwakely.gcc at gmail dot com> ---
Also, C++11 and later require the POSIX Exxx error constants from <errno.h>:
The header <cerrno> is described in Table 43. Its contents are the same as the
POSIX header <errno.h>, except that errno shall be defined as a macro. [ Note:
The intent is to remain in close alignment with the POSIX standard. — end note
] A separate errno value shall be provided for each thread.
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Subject: [Bug dynamic-link/22359] ld.so's cache should live in /var/cache, and support cache deletion.
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
The dynamic loader does not perform any /etc/ld.so.conf processing today. We
would have to change that in order to make /etc/ld.so.cache a true cache. I
don't think this is realistic because would need glob etc. as part of the
dynamic loader.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/21327] Libstdc++ would like another way to get some POSIX declarations that it currently gets via _GNU_SOURCE
Date: Mon, 30 Oct 2017 16:20:00 -0000
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--- Comment #4 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
glibc does not condition <errno.h> macros on feature test macros (it gets
most of them from Linux kernel headers, which don't have such conditionals
either).
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Subject: [Bug nptl/22337] pthread_join incorrectly fails for a detached running thread
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |http://austingroupbugs.net/
| |view.php?id=1167
--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
I filed an issue: http://austingroupbugs.net/view.php?id=1167
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Subject: [Bug string/22353] sysdeps/i386/i586/strcpy.S isn't maintainable
Date: Mon, 30 Oct 2017 17:03:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c5cc45148c89cc5c57d1946348dd242d4db5c5f5
commit c5cc45148c89cc5c57d1946348dd242d4db5c5f5
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Oct 30 10:02:16 2017 -0700
i586: Use conditional branches in strcpy.S [BZ #22353]
i586 strcpy.S used a clever trick with LEA to implement jump table:
/* ECX has the last 2 bits of the address of source - 1. */
andl $3, %ecx
call 2f
2: popl %edx
/* 0xb is the distance between 2: and 1:. */
leal 0xb(%edx,%ecx,8), %ecx
jmp *%ecx
.align 8
1: /* ECX == 0 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 1 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 2 */
orb (%esi), %al
jz L(end)
stosb
xorl %eax, %eax
incl %esi
/* ECX == 3 */
L(1): movl (%esi), %ecx
leal 4(%esi),%esi
This fails if there are instruction length changes before L(1):. This
patch replaces it with conditional branches:
cmpb $2, %cl
je L(Src2)
ja L(Src3)
cmpb $1, %cl
je L(Src1)
L(Src0):
which have similar performance and work with any instruction lengths.
Tested on i586 and i686 with and without --disable-multi-arch.
[BZ #22353]
* sysdeps/i386/i586/strcpy.S (STRCPY): Use conditional branches.
(1): Renamed to ...
(L(Src0)): This.
(L(Src1)): New.
(L(Src2)): Likewise.
(L(1)): Renamed to ...
(L(Src3)): This.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +++++++++++
sysdeps/i386/i586/strcpy.S | 28 +++++++++++-----------------
2 files changed, 22 insertions(+), 17 deletions(-)
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Subject: [Bug string/22353] sysdeps/i386/i586/strcpy.S isn't maintainable
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.27.
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>From glibc-bugs-return-39609-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 31 00:20:03 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22370] New: open_verify should use p_align to align notes
Date: Tue, 31 Oct 2017 00:20:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22370
Bug ID: 22370
Summary: open_verify should use p_align to align notes
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
open_verify has
/* Check .note.ABI-tag if present. */
for (ph = phdr; ph < &phdr[ehdr->e_phnum]; ++ph)
if (ph->p_type == PT_NOTE && ph->p_filesz >= 32 && ph->p_align >= 4)
{
ElfW(Addr) size = ph->p_filesz;
if (ph->p_offset + size <= (size_t) fbp->len)
abi_note = (void *) (fbp->buf + ph->p_offset);
else
{
abi_note = alloca (size);
__lseek (fd, ph->p_offset, SEEK_SET);
if (__libc_read (fd, (void *) abi_note, size) != size)
goto read_error;
}
while (memcmp (abi_note, &expected_note, sizeof (expected_note)))
{
#define ROUND(len) (((len) + sizeof (ElfW(Word)) - 1) & -sizeof (ElfW(Word)))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This works only when sizeof (ElfW(Word)) == ph->p_align. Instead,
it should be replaced by ALIGN_UP (len, ph->align)
ElfW(Addr) note_size = 3 * sizeof (ElfW(Word))
+ ROUND (abi_note[0])
+ ROUND (abi_note[1]);
if (size - 32 < note_size)
{
size = 0;
break;
}
size -= note_size;
abi_note = (void *) abi_note + note_size;
}
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From: "nakajima.akira at nttcom dot co.jp" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22371] New: U+FFE2 and U+FFE4, iconv does not convert to HALFWIDTH(EUC-JISX0213)
Date: Tue, 31 Oct 2017 01:45:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22371
Bug ID: 22371
Summary: U+FFE2 and U+FFE4, iconv does not convert to
HALFWIDTH(EUC-JISX0213)
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: minor
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: nakajima.akira at nttcom dot co.jp
CC: libc-locales at sourceware dot org
Target Milestone: ---
When converting to EUC-JISX0213,
iconv does not convert 'FULLWIDTH NOT SIGN' (U+FFE2) to 'NOT SIGN' (U+00AC).
# printf '\xef\xbf\xa2' | iconv -c -f UTF-8 -t EUC-JISX0213 | od -tx1
0000000
Nearby characters are converted to FULLWIDTH to HALFWIDTH.
# printf '\xef\xbf\xa3' | iconv -c -f UTF-8 -t EUC-JISX0213 | od -tx1
0000000 a1 b1
nkf converts to 'a2 cc'.
# printf '\xef\xbf\xa2' | nkf --ic=UTF-8 --oc=EUC-JISX0213 | od -tx1
0000000 a2 cc
'a2 cc' is 'NOT SIGN' of HALFWIDTH in EUC-JISX0213.
(Same character of FULLWIDTH does not exist in EUC-JISX0213).
========================================
As similarly,
iconv does not convert 'FULLWIDTH BROKEN BAR' (U+FFE4) to 'BROKEN BAR'
(U+00A6).
# printf '\xef\xbf\xa4' | iconv -c -f UTF-8 -t EUC-JISX0213 | od -tx1
0000000
# printf '\xef\xbf\xa4' | unorm --normalization=nfkd | od -tx1
0000000 c2 a6
HALFWIDTH (U+00A6) is exists in EUC-JISX0213 at 'a9 a5'.
http://charset.uic.jp/show/eucjisx0213/
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Subject: [Bug localedata/22371] U+FFE2 and U+FFE4, iconv does not convert to HALFWIDTH(EUC-JISX0213)
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https://sourceware.org/bugzilla/show_bug.cgi?id=22371
Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
You cannot have two characters mapped to the same target character. All
mappings must be injective. iconv does not do any normalisation.
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>From glibc-bugs-return-39612-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 31 12:13:04 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22370] open_verify should use p_align to align notes
Date: Tue, 31 Oct 2017 12:13:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pr22370/master has been created
at 69803aeeec234c8f754f805313402255c5342467 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=69803aeeec234c8f754f805313402255c5342467
commit 69803aeeec234c8f754f805313402255c5342467
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 31 04:51:41 2017 -0700
Replace ROUND with ALIGN_UP by p_align [BZ #22370]
Alignment of notes in PT_NOTE segment is specified by the p_align field
in the PT_NOTE segment header. This patch replaces ROUND with ALIGN_UP
by p_align to scan notes in PT_NOTE segment.
[BZ #22370]
* dl-hwcaps.c (ROUND): Removed.
(_dl_important_hwcaps): Replace ROUND with ALIGN_UP by p_align.
* elf/dl-load.c (ROUND): Removed.
(open_verify): Replace ROUND with ALIGN_UP by p_align.
* elf/readelflib.c (ROUND): Removed.
(process_elf_file): Replace ROUND with ALIGN_UP by p_align.
-----------------------------------------------------------------------
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Subject: [Bug libc/22375] New: malloc returns pointer from tcache_get when should return NULL
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https://sourceware.org/bugzilla/show_bug.cgi?id=22375
Bug ID: 22375
Summary: malloc returns pointer from tcache_get when should
return NULL
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: ibuclaw at gdcproject dot org
CC: drepper.fsp at gmail dot com
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---
#include <assert.h>
#include <stdlib.h>
int main()
{
void* x = malloc(10); // normal allocation
assert(x != NULL); // allocation should succeed
free(x);
void* z = malloc(((size_t)~0) - 2); // overflow allocation (size_t.max-2)
assert(z == NULL); // allocation should fail
}
---
The second call to malloc returns the cached pointer originally allocated for
'x'. But should return NULL.
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Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
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Iain Buclaw <ibuclaw at gdcproject dot org> changed:
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----------------------------------------------------------------------------
CC| |ibuclaw at gdcproject dot org
--- Comment #1 from Iain Buclaw <ibuclaw at gdcproject dot org> ---
Trying out a test program:
---
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
int main()
{
void* x = malloc(10);
assert(x != NULL);
free(x);
size_t memsize = ~0; // overflow allocation (ulong.max)
printf("Calling malloc(%zu), then decrementing "
"by one until first found failure.\n", memsize);
while (1)
{
void* z = malloc(memsize);
if (z == NULL)
{
printf("First failed call was malloc(%zu)\n", memsize);
break;
}
free(z);
memsize--;
}
}
---
$ ./a.out
Calling malloc(18446744073709551615), then decrementing by one until first
found failure.
First failed call was malloc(18446744073709551592)
---
So it looks like malloc doesn't do the right thing if given a value between
(size_t)~0-23 and (size_t)~0.
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Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
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--- Comment #2 from Iain Buclaw <ibuclaw at gdcproject dot org> ---
And this did not happen with 2.24.
As the last thing that is called before returning is tcache_get(), it seems
this is specific to the introduction of a per-thread cache.
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Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
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Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
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Florian Weimer <fweimer at redhat dot com> changed:
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Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |carlos at redhat dot com
Assignee|unassigned at sourceware dot org |arjun.is at lostca dot se
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
Iain,
Thanks for posting this.
Arjun,
Could you look at this and see if we have a missing overflow check? I expect
that the large sized allocation overflows the size computation in the tcache
and that there might be a window on the high end where the value is being
treated as if it was small.
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Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
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--- Comment #4 from Iain Buclaw <ibuclaw at gdcproject dot org> ---
Just to satisfy my curiosity, I had a look at the tcache code.
---
#define request2size(req) \
(((req) + SIZE_SZ + MALLOC_ALIGN_MASK < MINSIZE) ? \
MINSIZE : \
((req) + SIZE_SZ + MALLOC_ALIGN_MASK) & ~MALLOC_ALIGN_MASK)
...
#if USE_TCACHE
/* int_free also calls request2size, be careful to not pad twice. */
size_t tbytes = request2size (bytes);
---
SIZE_SZ + MALLOC_ALIGN_MASK would be 23. Which matches the small test in post
2, and confirms that size_t overflow is happening.
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>From glibc-bugs-return-39620-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 31 15:15:42 2017
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Subject: [Bug locale/22357] iconv configuration should be in /etc
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Michal Schmidt <mschmidt at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |mschmidt at redhat dot com
--- Comment #3 from Michal Schmidt <mschmidt at redhat dot com> ---
Rather than moving the whole gconv-modules file to /etc, would it be possible
for it to remain under /usr and allow to place only the administrator's
overrides under /etc?
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>From glibc-bugs-return-39621-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 31 16:07:11 2017
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Subject: [Bug locale/22357] iconv configuration should be in /etc
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--- Comment #4 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Having just overrides under /etc would certainly be an improvement over
making the whole thing a configuration file (generically, for any
configuration file, limiting the extent to which administrators need to do
merges on upgrades by avoiding having lots of non-local configuration
under /etc is a good idea).
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>From glibc-bugs-return-39622-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 31 16:13:03 2017
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug math/22377] New: iseqsig, float128 and C++
Date: Tue, 31 Oct 2017 16:13:00 -0000
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Bug ID: 22377
Summary: iseqsig, float128 and C++
Product: glibc
Version: 2.26
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Similar to other such bugs:
iseqsig is defined to use __MATH_TG. Thus, when float128 is supported as
ABI-distinct from long double, iseqsig will not work in C++ code.
Fixing this might be trickier than for other such macros, because comparison
macros are meant to work based on the evaluation format rather than the
semantic type; that is, the function to call should be determined by
__MATH_EVAL_FMT2 (x, y). The macro __MATH_EVAL_FMT2 *is* OK to call from C++
code (but the result of the call should only be used to determine the
particular __iseqsig* function to call; it would be incorrect actually to
evaluate the expression __MATH_EVAL_FMT2 expands to, only its type is
relevant).
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Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
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--- Comment #5 from Arjun Shankar <arjun.is at lostca dot se> ---
This is a regression that appeared in commit
d5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc. It's because of a missing overflow
check. This fixes it:
diff --git a/malloc/malloc.c b/malloc/malloc.c
index f94d51c..2ebd97f 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -3022,7 +3022,8 @@ __libc_malloc (size_t bytes)
return (*hook)(bytes, RETURN_ADDRESS (0));
#if USE_TCACHE
/* int_free also calls request2size, be careful to not pad twice. */
- size_t tbytes = request2size (bytes);
+ size_t tbytes;
+ checked_request2size (bytes, tbytes);
size_t tc_idx = csize2tidx (tbytes);
MAYBE_INIT_TCACHE ();
I will look at this a bit more before posting the patch.
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--- Comment #6 from Arjun Shankar <arjun.is at lostca dot se> ---
Iain, just noticed your comment. You are of course right. The correct macro is
checked_request2size (defined earlier in malloc/malloc.c). Nice find!
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Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
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--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Arjun Shankar from comment #6)
> Iain, just noticed your comment. You are of course right. The correct macro
> is checked_request2size (defined earlier in malloc/malloc.c). Nice find!
Arjun,
Could you test the change to use checked_request2size?
To test it I think we need to add a test to glibc, I suggest something like
this:
* Assume that all architectures are limited to 50-bits of physical memory, and
that anything with more than 50-bits of size is going to fail.
* In a loop, loop through all remaining 14-bit values, shifted up to 64-bits,
and make sure each one returns ENOMEM. Note that tst-malloc.c has *one* test
for this, and we want to cover the whole range of larger than physical memory
allocations to make sure we don't have any bugs.
* Do the loop for malloc.
* Do the loop for calloc.
* Do the loop for a small constant malloc, followed by a realloc for the small
constant malloc (with the invalid size), and a free (to free the original
malloc).
That should cover the major paths. It should also be a fast test to do because
it's just checking we covered all the overflow paths.
If it verifies, please submit to libc-alpha for discussion. Thanks!
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Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2017-10-31
Ever confirmed|0 |1
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From: "seoc at iolfree dot ie" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/22379] New: new locale ga_GB
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Bug ID: 22379
Summary: new locale ga_GB
Product: glibc
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Created attachment 10563
--> https://sourceware.org/bugzilla/attachment.cgi?id=10563&action=edit
proposed ga_GB locale data
Dear maintainers,
Attached is proposed data for ga_GB locale (Irish language in United Kingdom).
See the following for background:
https://en.wikipedia.org/wiki/Languages_of_the_United_Kingdom
https://en.wikipedia.org/wiki/Languages_of_Northern_Ireland
https://en.wikipedia.org/wiki/European_Charter_for_Regional_or_Minority_Languages#Languages_protected_under_the_Charter
Proposed data is mostly taken from existing en_GB and ga_IE.
Thanks!
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>From glibc-bugs-return-39628-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Oct 31 22:17:13 2017
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Subject: [Bug localedata/22371] U+FFE2 and U+FFE4, iconv does not convert to HALFWIDTH(EUC-JISX0213)
Date: Tue, 31 Oct 2017 22:17:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Akira Nakajima from comment #0)
> When converting to EUC-JISX0213,
> iconv does not convert 'FULLWIDTH NOT SIGN' (U+FFE2) to 'NOT SIGN' (U+00AC).
>
> # printf '\xef\xbf\xa2' | iconv -c -f UTF-8 -t EUC-JISX0213 | od -tx1
> 0000000
>
>
> Nearby characters are converted to FULLWIDTH to HALFWIDTH.
>
> # printf '\xef\xbf\xa3' | iconv -c -f UTF-8 -t EUC-JISX0213 | od -tx1
> 0000000 a1 b1
>
>
> nkf converts to 'a2 cc'.
You can attain a similar behaviour with iconv if you use '//TRANSLIT' to
transliterate.
printf '\xef\xbf\xa2' | iconv -c -f UTF-8 -t EUC-JISX0213//TRANSLIT | od -tx1
0000000 a2 cc
0000002
Without transliteration the 'FULLWIDTH NOT SIGN' has no direct representation
in the target character map, and as Andreas explains, the conversion mapping
must be injective for iconv. The <U00AC> is already assigned to the NOT SIGN.
Note that once transliterated you cannot go back, the mapping with
transliteration is not injective.
> As similarly,
> iconv does not convert 'FULLWIDTH BROKEN BAR' (U+FFE4) to 'BROKEN BAR'
> (U+00A6).
>
> # printf '\xef\xbf\xa4' | iconv -c -f UTF-8 -t EUC-JISX0213 | od -tx1
> 0000000
>
> # printf '\xef\xbf\xa4' | unorm --normalization=nfkd | od -tx1
> 0000000 c2 a6
>
> HALFWIDTH (U+00A6) is exists in EUC-JISX0213 at 'a9 a5'.
> http://charset.uic.jp/show/eucjisx0213/
printf '\xef\xbf\xa4' | iconv -c -f UTF-8 -t EUC-JISX0213//TRANSLIT | od -tx1
0000000 a9 a5
0000002
Again, with transliteration you can change one into the other.
Keep in mind that transliteration is locale specific.
In this case glibc has a 'translit_wide' specifically for wide
transliterations, and it *is* part of our language and locale neutral
transliterations that is included by our global i18n locale specification. Thus
all locales "should" have this neutral transformation available.
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Subject: [Bug network/22333] out of bounds stack read in libidn (CVE-2016-6261) unpatched in libc
Date: Tue, 31 Oct 2017 22:35:00 -0000
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--- Comment #1 from Andreas K. Huettel <dilfridge at gentoo dot org> ---
>
> The patch applies cleanly.
(but unfortunately requires unrelated code that is not in glibc)
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>From glibc-bugs-return-39630-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 01 04:27:53 2017
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Subject: [Bug localedata/22371] U+FFE2 and U+FFE4, iconv does not convert to HALFWIDTH(EUC-JISX0213)
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--- Comment #3 from Akira Nakajima <nakajima.akira at nttcom dot co.jp> ---
I didn't know TRANSLATE option. Thanks for teaching.
But I don't understand following works.
Following are all FULLWIDTH chars, and result of convert UTF-8 to EUC-JISX0213.
char EUC-JISX0213 EUC-JISX0213//TRANSLIT
U+FFE0 ￠ null a1 f1(¢ HALF = U+00A2)
U+FFE1 ￡ null a1 f2(£ HALF = U+00A3)
U+FFE2 ￢ null a2 cc(¬ HALF = U+00AC)
U+FFE3 ￣ a1 b1(‾ HALF = U+203E) a1 b1
U+FFE4 ￤ null a9 a5(¦ HALF = U+00A6)
U+FFE5 ￥ a1 ef(\ HALF = U+00A5) a1 ef
I can understand that iconv convert FULLWIDTH to HALFWIDTH with //TRANSLIT
,because same FULLWIDTH chars are not exist in EUC-JISX0213, but HALFWIDTH
exist.
But U+FFE3 and U+FFE5 are converted to HALFWIDTH therefore with and without
//TRANSLIT.
Is this works correct?
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Subject: [Bug localedata/22371] U+FFE2 and U+FFE4, iconv does not convert to HALFWIDTH(EUC-JISX0213)
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--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Akira Nakajima from comment #3)
> I didn't know TRANSLATE option. Thanks for teaching.
> But I don't understand following works.
>
> Following are all FULLWIDTH chars, and result of convert UTF-8 to
> EUC-JISX0213.
>
> char EUC-JISX0213 EUC-JISX0213//TRANSLIT
> U+FFE0 ￠ null a1 f1(¢ HALF = U+00A2)
> U+FFE1 ￡ null a1 f2(£ HALF = U+00A3)
> U+FFE2 ￢ null a2 cc(¬ HALF = U+00AC)
> U+FFE3 ￣ a1 b1(‾ HALF = U+203E) a1 b1
In EUC-JISX0213 the character /xa1/xb1 is a FULLWIDTH MACRON, it is not U+203E.
See, page 3 of the PDF, note that the 8th bit is always set:
https://www.itscj.ipsj.or.jp/iso-ir/228.pdf
Therefore there is a direct representation in EUC-JISX0213 for U+FFE3, which is
why you do not need to transliterate.
> U+FFE4 ￤ null a9 a5(¦ HALF = U+00A6)
> U+FFE5 ￥ a1 ef(\ HALF = U+00A5) a1 ef
>
> I can understand that iconv convert FULLWIDTH to HALFWIDTH with //TRANSLIT
> ,because same FULLWIDTH chars are not exist in EUC-JISX0213, but HALFWIDTH
> exist.
In general that statement is true.
However, there are 2 characters in your list that *do* have direct EUC-JISX0213
equivalents.
> But U+FFE3 and U+FFE5 are converted to HALFWIDTH therefore with and without
> //TRANSLIT.
> Is this works correct?
No.
U+FFE3 "FULLWIDTH MACRON" is available directly in EUC_JISX0213 as /xa1/xb1
(full width macron).
U+FFE5 "FULLWIDTH YEN SIGN" is available directly in EUC_JISX0213 as /xa1/ef
(full width yen sign).
No transliteration is required.
Your confusion appears to be that you think EUC_JISX0213 character /xa1/xb1 is
halfwidth, but the standard does not show that.
I hope that answers your questions.
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Subject: [Bug localedata/22379] new locale ga_GB
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>From glibc-bugs-return-39633-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 01 06:21:49 2017
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Subject: [Bug localedata/22371] U+FFE2 and U+FFE4, iconv does not convert to HALFWIDTH(EUC-JISX0213)
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>From glibc-bugs-return-39634-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 01 07:05:23 2017
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From: "ragaprasanth at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/22380] New: Inconsistency detected by ld.so: dl-open.c: 717: _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
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Bug ID: 22380
Summary: Inconsistency detected by ld.so: dl-open.c: 717:
_dl_open: Assertion `_dl_debug_initialize (0,
args.nsid)->r_state == RT_CONSISTENT' failed!
Product: glibc
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Hi,
I am trying to profile my libraries, I tried the example given in the MAN page
of http://manpages.ubuntu.com/manpages/xenial/man1/sprof.1.html
It is giving error Inconsistency detected by ld.so: dl-open.c: 717: _dl_open:
Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT'
failed!
with glibc 2.23, 2.18, 2.19 version.
I could see the #Bug 4578 which is listing the same error, but I couldn't make
use of the patch in my host.
Can I get the fix for glibc version 2.19?
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Subject: [Bug libc/22380] Inconsistency detected by ld.so: dl-open.c: 717: _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Wed, 01 Nov 2017 12:30:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
--- Comment #15 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at 26282c7784ad9b005982df008e355682b688fc13 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=26282c7784ad9b005982df008e355682b688fc13
commit 26282c7784ad9b005982df008e355682b688fc13
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fd2dbfaf15b30e4f1add5523dc511035496a9f73
commit fd2dbfaf15b30e4f1add5523dc511035496a9f73
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6fb30814d1f7530d284200c8136d06d871738257
commit 6fb30814d1f7530d284200c8136d06d871738257
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f34c50d6a3022ef8b69ef694ce8d808e03aa1616
commit f34c50d6a3022ef8b69ef694ce8d808e03aa1616
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7a946f032ec27bf66db8617bdd4dc6351849e8dc
commit 7a946f032ec27bf66db8617bdd4dc6351849e8dc
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c868a9831b5135415d315bfc1154f56f1203bbca
commit c868a9831b5135415d315bfc1154f56f1203bbca
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e01ba3e5a9915128d685bdc0f69a0bf3830e2e6b
commit e01ba3e5a9915128d685bdc0f69a0bf3830e2e6b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2a6918d561f61a82747378bb6de1249c571fb4f1
commit 2a6918d561f61a82747378bb6de1249c571fb4f1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
The following changes are mode for static PIE:
1. Add a new function, _dl_relocate_static_pie, to:
a. Get the run-time load address.
b. Read the dynamic section.
c. Perform dynamic relocations.
Dynamic linker also performs these steps. But static PIE doesn't load
any shared objects.
2. Call _dl_relocate_static_pie at entrance of LIBC_START_MAIN in
libc.a. crt1.o, which is used to create dynamic and non-PIE static
executables, is updated to include a dummy _dl_relocate_static_pie.
Pcrt1.o is added to create static PIE, which will link in the real
_dl_relocate_static_pie. gPcrt1.o is also added to create static PIE
with -pg.
Static PIE can work on all architectures which support PIE, provided:
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, s390 and sh.
6. __brk works without TLS nor dynamic relocations in read-only section
so that it can be used by __libc_setup_tls to initializes TLS in static
PIE.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `P' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add P$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)P$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
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Subject: [Bug localedata/22382] New: Error in tpi_PG locale
Date: Wed, 01 Nov 2017 15:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22382
Bug ID: 22382
Summary: Error in tpi_PG locale
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: claude at 2xlibre dot net
CC: libc-locales at sourceware dot org
Target Milestone: ---
While syncing data to my lh.2xlibre.net Web app, I encountered an error while
importing the new tpi_PG locale file. There is a missing ";\" after the
"Februeri" month name.
As a side note, I see less unicode sequence codes like <U0063> in locale files.
Do you have a new policy in place? Would you like patches for more global
replacements for all files?
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Subject: [Bug nptl/21083] robust timed lock may leave other waiters no chance to wake up
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Torvald Riegel <triegel at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |triegel at redhat dot com
--- Comment #4 from Torvald Riegel <triegel at redhat dot com> ---
(In reply to ma.jiang from comment #2)
> (In reply to Carlos O'Donell from comment #1)
>
> > When you say "latest glibc sources" do you mean that you tested on master?
> > How recently?
> The patch is for glibc-2.24. I checked the trunk code just now, the bug
> still exist. I have not write a testcase to reproduce the bug, it's quite
> hard(Although the bug logic is clear)...
I believe this is fixed in master(/trunk). Please have a look at what we do
with assume_other_futex_waiters: If we ever potentially share FUTEX_WAITERS
with another thread (C in your example), then after the futex operation we make
sure to set this flag in any case. This happens either when acquiring the
mutex (in which case we'll notice this during unlock and wake up C), or when
not being able to acquire it, in which case there must be another owner that
interfered and we delegate wake-up responsibilities to that other owner by
setting FUTEX_WAITERS.
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>From glibc-bugs-return-39639-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 01 18:59:03 2017
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Subject: [Bug libc/22380] Inconsistency detected by ld.so: dl-open.c: 717: _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
Date: Wed, 01 Nov 2017 18:59:00 -0000
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CC| |allan at archlinux dot org,
| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Prasanth from comment #0)
> Hi,
> I am trying to profile my libraries, I tried the example given in the MAN
> page of http://manpages.ubuntu.com/manpages/xenial/man1/sprof.1.html
>
> It is giving error Inconsistency detected by ld.so: dl-open.c: 717:
> _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state ==
> RT_CONSISTENT' failed!
> with glibc 2.23, 2.18, 2.19 version.
>
> I could see the #Bug 4578 which is listing the same error, but I couldn't
> make use of the patch in my host.
Does your program multithreaded? Does it call fork? Does it use non-AS-safe
functions in the forking thread *after* calling fork?
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>From glibc-bugs-return-39640-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 01 19:02:03 2017
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From: "ragaprasanth at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22380] Inconsistency detected by ld.so: dl-open.c: 717: _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
Date: Wed, 01 Nov 2017 19:02:00 -0000
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--- Comment #2 from Prasanth <ragaprasanth at gmail dot com> ---
No, it's not multi threading program, you could see in the man page it's
suit simple c program
On 02-Nov-2017 12:29 AM, "carlos at redhat dot com" <
sourceware-bugzilla@sourceware.org> wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=22380
>
> Carlos O'Donell <carlos at redhat dot com> changed:
>
> What |Removed |Added
> ------------------------------------------------------------
> ----------------
> CC| |allan at archlinux dot
> org,
> | |carlos at redhat dot com
>
> --- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
> (In reply to Prasanth from comment #0)
> > Hi,
> > I am trying to profile my libraries, I tried the example given in the
> MAN
> > page of http://manpages.ubuntu.com/manpages/xenial/man1/sprof.1.html
> >
> > It is giving error Inconsistency detected by ld.so: dl-open.c: 717:
> > _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state ==
> > RT_CONSISTENT' failed!
> > with glibc 2.23, 2.18, 2.19 version.
> >
> > I could see the #Bug 4578 which is listing the same error, but I couldn't
> > make use of the patch in my host.
>
> Does your program multithreaded? Does it call fork? Does it use non-AS-safe
> functions in the forking thread *after* calling fork?
>
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>From glibc-bugs-return-39641-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 01 20:23:03 2017
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Subject: [Bug libc/22380] Inconsistency detected by ld.so: dl-open.c: 717: _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
Date: Wed, 01 Nov 2017 20:23:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2017-11-01
CC| |fweimer at redhat dot com
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Ever confirmed|0 |1
--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Prasanth from comment #2)
> Created attachment 10565 [details]
> attachment-17785-0.html
>
> No, it's not multi threading program, you could see in the man page it's
> suit simple c program
Prasanth,
Thank you.
The loading of the shared library for analysis fails, and we are in RT_ADD
state instead of a consistent state:
706 assert (_dl_debug_initialize (0, args.nsid)->r_state ==
RT_CONSISTENT);
(gdb) p _r_debug
$1 = {r_version = 1, r_map = 0x7ffff7ffe130, r_brk = 140737351944064, r_state =
RT_ADD,
r_ldbase = 140737351872512}
Then in _dl_find_dso_for_object:
241 if (__glibc_unlikely (mode & __RTLD_SPROF))
242 /* This happens only if we load a DSO for 'sprof'. */
243 return;
We stop doing any work before marking the object as consistent. Which seems
odd, perhaps I've done something wrong in my analysis.
This looks like sprof has been broken for a long time if this is true, and
we've not had any regression test to cover this.
Florian,
Given, that you're poking around the dynamic loader, would you be able to
provide any input on what might be wrong?
With upstream master I see:
"sprof: error while loading shared libraries: sprof: cannot open shared object
file"
That doesn't make much sense though since the shared library is in the path.
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Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
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Subject: [Bug malloc/22343] Integer overflow in posix_memalign
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Subject: [Bug dynamic-link/22238] NULL pointer dereference in dlopen on out-of-memory
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>From glibc-bugs-return-39645-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 03:05:51 2017
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From: "cjlhomeaddress at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Thu, 02 Nov 2017 03:05:00 -0000
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--- Comment #41 from Chris Leonard <cjlhomeaddress at gmail dot com> ---
How is the work on the CLDR locale going?
I'm trying to encourage some work on CLDR locale develop by some of the
communities working on the SugarLabs Pootle instance and I'd like to know
how easy it is to work with CLDR.
cjl
On Tue, Oct 24, 2017 at 4:44 AM, belkacem77 at gmail dot com <
sourceware-bugzilla@sourceware.org> wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=18812
>
> --- Comment #38 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
> Thanks for everyone
>
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>From glibc-bugs-return-39646-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 05:02:16 2017
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From: "ragaprasanth at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22380] Inconsistency detected by ld.so: dl-open.c: 717: _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
Date: Thu, 02 Nov 2017 05:02:00 -0000
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--- Comment #4 from Prasanth <ragaprasanth at gmail dot com> ---
(In reply to Carlos O'Donell from comment #3)
> (In reply to Prasanth from comment #2)
> > Created attachment 10565 [details]
> > attachment-17785-0.html
> >
> > No, it's not multi threading program, you could see in the man page it's
> > suit simple c program
>
> Prasanth,
>
> Thank you.
>
> The loading of the shared library for analysis fails, and we are in RT_ADD
> state instead of a consistent state:
>
> 706 assert (_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT);
> (gdb) p _r_debug
> $1 = {r_version = 1, r_map = 0x7ffff7ffe130, r_brk = 140737351944064,
> r_state = RT_ADD,
> r_ldbase = 140737351872512}
>
> Then in _dl_find_dso_for_object:
>
> 241 if (__glibc_unlikely (mode & __RTLD_SPROF))
> 242 /* This happens only if we load a DSO for 'sprof'. */
> 243 return;
>
> We stop doing any work before marking the object as consistent. Which seems
> odd, perhaps I've done something wrong in my analysis.
>
> This looks like sprof has been broken for a long time if this is true, and
> we've not had any regression test to cover this.
>
> Florian,
>
> Given, that you're poking around the dynamic loader, would you be able to
> provide any input on what might be wrong?
>
> With upstream master I see:
> "sprof: error while loading shared libraries: sprof: cannot open shared
> object file"
>
> That doesn't make much sense though since the shared library is in the path.
Hi carlos,
I too tried with the upstream patch, That end-up with the "Can't find the
object file error"
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22371] U+FFE2 and U+FFE4, iconv does not convert to HALFWIDTH(EUC-JISX0213)
Date: Thu, 02 Nov 2017 06:11:00 -0000
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--- Comment #5 from Akira Nakajima <nakajima.akira at nttcom dot co.jp> ---
\xa1\xef is mapped to U+00A5(HALFWIDTH YEN) in EUC-JISX0213 and EUC-JIS-2004 by
following URL.
\xa1\xb1 is as same.
"However, with Unicode 3.2.0 the mappings differ in 3 codepoints."
http://search.cpan.org/~dankogai/Encode-JIS2K-0.03/JIS2K.pm#what_is_JIS_X_0213_anyway?
=============================================
http://charset.uic.jp/show/eucjisx0213/
http://x0213.org/codetable/euc-jis-2004-with-char.txt
char JIS Unicode
￣ 0xA1B1 U+203E # OVERLINE Windows: U+FFE3
― 0xA1BD U+2014 # EM DASH Windows: U+2015
￥ 0xA1EF U+00A5 # YEN SIGN Windows: U+FFE5
=============================================
=============================================
perl 5.24.3
# perl -e 'use Encode; use Encode::JISX0213; print encode("euc-jisx0213",
"\x{00a5}");' | od -tx1
0000000 a1 ef
# perl -e 'use Encode; use Encode::JISX0213; print encode("euc-jisx0213",
"\x{ffe5}");' | od -tx1
0000000 a1 ef
=============================================
But Python and "/usr/local/share/i18n/charmaps/EUC-JISX0213.gz"
have mapping to U+FFE5.
I don't know which one is correct.
=============================================
Python 3.6.2
# python3 -c "print(u'\u00a5'.encode('euc-jisx0213'))"
Traceback (most recent call last):
File "<string>", line 1, in <module>
UnicodeEncodeError: 'euc_jisx0213' codec can't encode character '\xa5' in
position 0: illegal multibyte sequence
# python3 -c "print(u'\uffe5'.encode('euc-jisx0213'))"
b'\xa1\xef'
=============================================
=============================================
/usr/local/share/i18n/charmaps/EUC-JISX0213.gz (Fedora 26)
<UFFE3> /xa1/xb1 FULLWIDTH MACRON
<UFFE5> /xa1/xef FULLWIDTH YEN SIGN
=============================================
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>From glibc-bugs-return-39648-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 06:19:24 2017
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Subject: [Bug localedata/18812] kab_DZ: new Kabyle Algeria locale
Date: Thu, 02 Nov 2017 06:19:00 -0000
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--- Comment #42 from Belkacem Mohammed <belkacem77 at gmail dot com> ---
Hi Chris,
For the kab locale, we built a team of localizers, translators. The kab locale
is just being built. CLDR Kab is now growing. There are some parts we will
complete with the next release (33).
version 32 is released yesterday (01/11). A lot of keys are still unconfirmed
due to voting mode (process) on CLDR.
I'm trying to set up a team along with the 3 kab univesities to maintain the
locale.
We will focus on the next release on the keyboard templates, kabyle calendar,
collations.
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Subject: [Bug localedata/22382] Error in tpi_PG locale
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |maiku.fabian at gmail dot com
--- Comment #1 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Claude Paroz from comment #0)
> While syncing data to my lh.2xlibre.net Web app, I encountered an error
> while importing the new tpi_PG locale file. There is a missing ";\" after
> the "Februeri" month name.
You are right, it is surprising that it seems to work nevertheless:
[root@taka /]# LC_ALL=tpi_PG.UTF-8 locale -k mon
mon="Janueri;Februeri;Mas;Epril;Me;Jun;Julai;Ogas;Septemba;Oktoba;Novemba;Desemba"
The problem was already there when the <U...> code points were used, it
is just easier to see it now because of less clutter.
> As a side note, I see less unicode sequence codes like <U0063> in locale
> files. Do you have a new policy in place?
We agreed that it is OK to use ASCII directly, so one has to use <U....>
only for stuff which is not ASCII.
> Would you like patches for more
> global replacements for all files?
I think yes. When we started to use more ASCII a while ago, we did not
do global replacements and changed it only in the files we touched anyway
to see whether it would cause any problems. As far as I know we did not
encounter any problems so far, so it seems OK to do it globally.
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Subject: [Bug glob/22332] Buffer overflow in glob with GLOB_TILDE in unescaping (CVE-2017-15804)
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This is an automated email from the git hooks/post-receive script. It was
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Date: Thu Nov 2 11:06:45 2017 +0100
posix/tst-glob-tilde.c: Add test for bug 22332
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 ++++++
posix/tst-glob-tilde.c | 53 +++++++++++++++++++++++++++--------------------
2 files changed, 37 insertions(+), 23 deletions(-)
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Subject: [Bug dynamic-link/22363] Wrong platform is used for x32
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>From glibc-bugs-return-39653-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 10:59:53 2017
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>From glibc-bugs-return-39655-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 11:00:35 2017
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Subject: [Bug libc/22355] version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference
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>From glibc-bugs-return-39654-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 11:00:21 2017
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Subject: [Bug string/22354] Update indirect jump table in x86 assembly codes to enable IBT
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Subject: [Bug string/22353] sysdeps/i386/i586/strcpy.S isn't maintainable
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>From glibc-bugs-return-39658-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 11:02:47 2017
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Subject: [Bug nptl/22351] Unaligned pthread_cond_t stopped working
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>From glibc-bugs-return-39659-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 11:05:10 2017
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Subject: [Bug nss/22349] [RFE] user specific hosts entries
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
You should be able to set
HOSTALIAS=$HOME/.aliases
and get what you want, although I'm somewhat inclined to deprecate this
mechanism.
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>From glibc-bugs-return-39660-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 11:06:27 2017
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Subject: [Bug build/22339] support/support_can_chroot.c (support_can_chroot): Should call chdir("/");
Date: Thu, 02 Nov 2017 11:06:00 -0000
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
This is a bug in the static analyzer, there is clearly no code afterwards which
depends on the current directory.
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Subject: [Bug network/22333] out of bounds stack read in libidn (CVE-2016-6261) unpatched in libc
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Florian Weimer <fweimer at redhat dot com> changed:
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Subject: [Bug network/22334] denial of service (out-of-bounds read and crash) via crafted UTF-8 data (CVE-2016-6263)
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Florian Weimer <fweimer at redhat dot com> changed:
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>From glibc-bugs-return-39663-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 12:28:32 2017
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Subject: [Bug localedata/22382] Error in tpi_PG locale
Date: Thu, 02 Nov 2017 12:28:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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>From glibc-bugs-return-39664-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 14:00:04 2017
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From: "claude at 2xlibre dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] New: Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Thu, 02 Nov 2017 14:00:00 -0000
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Bug ID: 22387
Summary: Replace unicode sequences <Uxxxx> for characters
inside the ASCII printable range
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: enhancement
Priority: P2
Component: localedata
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Reporter: claude at 2xlibre dot net
CC: libc-locales at sourceware dot org
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Quoting Mike Fabian from #22382:
>> As a side note, I see less unicode sequence codes like <U0063> in locale
>> files. Do you have a new policy in place?
>We agreed that it is OK to use ASCII directly, so one has to use <U....>
>only for stuff which is not ASCII.
>> Would you like patches for more
>> global replacements for all files?
>I think yes. When we started to use more ASCII a while ago, we did not
>do global replacements and changed it only in the files we touched anyway
>to see whether it would cause any problems. As far as I know we did not
>encounter any problems so far, so it seems OK to do it globally.
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>From glibc-bugs-return-39665-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 14:01:25 2017
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From: "claude at 2xlibre dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22382] Error in tpi_PG locale
Date: Thu, 02 Nov 2017 14:01:00 -0000
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--- Comment #2 from Claude Paroz <claude at 2xlibre dot net> ---
(In reply to Mike FABIAN from comment #1)
> > As a side note, I see less unicode sequence codes like <U0063> in locale
> > files. Do you have a new policy in place?
>
> We agreed that it is OK to use ASCII directly, so one has to use <U....>
> only for stuff which is not ASCII.
>
> > Would you like patches for more
> > global replacements for all files?
>
> I think yes. When we started to use more ASCII a while ago, we did not
> do global replacements and changed it only in the files we touched anyway
> to see whether it would cause any problems. As far as I know we did not
> encounter any problems so far, so it seems OK to do it globally.
Opened https://sourceware.org/bugzilla/show_bug.cgi?id=22387 for that part.
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>From glibc-bugs-return-39666-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 14:15:46 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Thu, 02 Nov 2017 14:15:00 -0000
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--- Comment #1 from Claude Paroz <claude at 2xlibre dot net> ---
Created attachment 10570
--> https://sourceware.org/bugzilla/attachment.cgi?id=10570&action=edit
Partial patch for opinions
Hereby a first draft of what the patch could be. Is this the right direction?
Do you want one big patch or anything else?
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>From glibc-bugs-return-39667-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 15:06:38 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22371] U+FFE2 and U+FFE4, iconv does not convert to HALFWIDTH(EUC-JISX0213)
Date: Thu, 02 Nov 2017 15:06:00 -0000
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--- Comment #6 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Akira Nakajima from comment #5)
> \xa1\xef is mapped to U+00A5(HALFWIDTH YEN) in EUC-JISX0213 and EUC-JIS-2004
> by following URL.
> \xa1\xb1 is as same.
>
> "However, with Unicode 3.2.0 the mappings differ in 3 codepoints."
> http://search.cpan.org/~dankogai/Encode-JIS2K-0.03/JIS2K.
> pm#what_is_JIS_X_0213_anyway?
>
> =============================================
> http://charset.uic.jp/show/eucjisx0213/
> http://x0213.org/codetable/euc-jis-2004-with-char.txt
> char JIS Unicode
> ￣ 0xA1B1 U+203E # OVERLINE Windows: U+FFE3
> ― 0xA1BD U+2014 # EM DASH Windows: U+2015
> ￥ 0xA1EF U+00A5 # YEN SIGN Windows: U+FFE5
> =============================================
This is not an authoritative source. I do not believe this is correct. Notice
that there is a comment that on Windows it is U+FFE5, which is the FULLWIDTH
YEN. That is in my opinion correct. Therefore Windows and Linux have the same
representation e.g. FULLWIDTH YEN. I suggest discussing this with the author of
the document.
> =============================================
> perl 5.24.3
>
> # perl -e 'use Encode; use Encode::JISX0213; print encode("euc-jisx0213",
> "\x{00a5}");' | od -tx1
> 0000000 a1 ef
> # perl -e 'use Encode; use Encode::JISX0213; print encode("euc-jisx0213",
> "\x{ffe5}");' | od -tx1
> 0000000 a1 ef
> =============================================
This behaviour is expected. You are encoding a unicode code point into
EUC-JISX0213. There is no representation of YEN, so the output is FULLWIDTH YEN
in both cases e.g. /xa1/xef.
> But Python and "/usr/local/share/i18n/charmaps/EUC-JISX0213.gz"
> have mapping to U+FFE5.
> I don't know which one is correct.
This is correct. As it is on Windows.
> =============================================
> Python 3.6.2
>
> # python3 -c "print(u'\u00a5'.encode('euc-jisx0213'))"
> Traceback (most recent call last):
> File "<string>", line 1, in <module>
> UnicodeEncodeError: 'euc_jisx0213' codec can't encode character '\xa5' in
> position 0: illegal multibyte sequence
Correct. There is no YEN in EUC-JISX0213. This python behaviour is based on
glibc's character map.
> # python3 -c "print(u'\uffe5'.encode('euc-jisx0213'))"
> b'\xa1\xef'
> =============================================
>
> =============================================
> /usr/local/share/i18n/charmaps/EUC-JISX0213.gz (Fedora 26)
>
> <UFFE3> /xa1/xb1 FULLWIDTH MACRON
> <UFFE5> /xa1/xef FULLWIDTH YEN SIGN
> =============================================
These are IMO correct.
In my previous post I referenced *official* Japanese ISO-IR documents, and I
will reference them again:
See, page 3 of the PDF, note that the 8th bit is always set:
https://www.itscj.ipsj.or.jp/iso-ir/228.pdf
You can see that the macron is a FULLWIDTH MACRO, and with the yen sign the
FULLWIDTH YEN is selected because it provides compatibility with Windows.
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5baac970a8fee1dd9ddb8d1af2af79a09a85abcc
commit 5baac970a8fee1dd9ddb8d1af2af79a09a85abcc
Author: Mike FABIAN <mfabian@redhat.com>
Date: Thu Nov 2 13:21:01 2017 +0100
tpi_PG locale: fix syntax error [BZ #22382]
[BZ #22382]
* localedata/locales/tpi_PG (LC_TIME): Fix syntax error.
* localedata/locales/tpi_PG: Add standard header.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
localedata/locales/tpi_PG | 9 ++++++++-
2 files changed, 14 insertions(+), 1 deletions(-)
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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--- Comment #2 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Claude Paroz from comment #1)
> Created attachment 10570 [details]
> Partial patch for opinions
>
> Hereby a first draft of what the patch could be. Is this the right
> direction?
Yes, but I should have been clearer that even some ASCII characters are
not allowed, for example % is usually the comment character, so it
cannot be used like this:
punct !;";#;$;%;&;';(;);*;+;,;-;.;<U002F>;:;;;<;=;>;?;@;[;\;];^;_;`;{;|;};~
And / is usually the line continuation character.
> Do you want one big patch or anything else?
Whatever is easiest, I could also write a script to do it ...
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Subject: [Bug localedata/22382] Error in tpi_PG locale
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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--- Comment #3 from Claude Paroz <claude at 2xlibre dot net> ---
OK, I'll special case '%' and '/'.
I'm also using a script to do much of the changes. A quick manual review allows
for example for comment deletion where it is merely a copy of the (now
unobfuscated) value.
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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--- Comment #4 from Claude Paroz <claude at 2xlibre dot net> ---
But hopefully we can still use '%' and '/' when they are inside a string (see
for example the d_fmt "%d/%m/%y" line in the current an_ES locale).
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>From glibc-bugs-return-39674-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 17:38:19 2017
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
The escape character is also special inside strings.
See
<http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap07.html#tag_07_03>
for the full rules.
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Subject: [Bug nss/22349] [RFE] user specific hosts entries
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--- Comment #2 from Pat Riehecky <riehecky at fnal dot gov> ---
That is amazing!
Is this documented anywhere?
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
There is a manual page:
http://man7.org/linux/man-pages/man7/hostname.7.html
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>From glibc-bugs-return-39677-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 20:40:18 2017
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From: "egmont at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Thu, 02 Nov 2017 20:40:00 -0000
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Egmont Koblinger <egmont at gmail dot com> changed:
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CC| |egmont at gmail dot com
--- Comment #6 from Egmont Koblinger <egmont at gmail dot com> ---
(In reply to Andreas Schwab from comment #5)
> See
> <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap07.
> html#tag_07_03> for the full rules.
Bullet point 2 here says "Within a string, the double-quote character, the
escape character, and the right angle bracket character shall be escaped [...]"
Why not the left angle bracket too? Otherwise you can't tell for sure whether
"<U+0020>" stands for a space, or for literal
lessthan-you-plus-oh-oh-two-oh-greaterthan.
I think it doesn't hurt to remain a bit safer with special characters, e.g.
escape the comma, semicolon, less-than, greater-than, backshash, and whatever
the escape character (typically overridden to slash in locale files)
everywhere.
---
On the other hand, what about non-ASCII characters? Are they allowed as raw
UTF-8, or do they still need to be escaped? Allowing raw UTF-8, such as a
weekday name of "hétfő" rather than "h<U00E9>tf<U0151>" would highly improve
readability of the file.
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>From glibc-bugs-return-39678-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 22:56:53 2017
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/19485] csb_PL: update month translations
Date: Thu, 02 Nov 2017 22:56:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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| |com
--- Comment #12 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
I'm afraid that we need more changes in csb_PL but I'd like to hear a feedback
from an expert. My sources are:
* Kashubian Language Council (RJK):
http://skarbnicakaszubska.pl/uchwala-nr-5-2007/
* Wikipedia: https://csb.wikipedia.org/
1. April:
- currently we have "łżëkwiôt";
- both Wikipedia and RJK say "łżëkwiat". I guess this is correct and we
should fix it.
2. October:
- currently we have "rujan"; RJK says the same;
- Wikipedia says "pazdzérznik" and explains that "rujan" is a Croatian
neologism. I lean into thinking that we should not change this but the argument
in Wikipedia looks reasonable.
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>From glibc-bugs-return-39679-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 02 23:34:52 2017
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Thu, 02 Nov 2017 23:34:00 -0000
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--- Comment #7 from keld at keldix dot com <keld at keldix dot com> ---
I think we should not do this, as it would make locales unusable
with ebcdic encodings. I am also unsure how it will work with utf-16.
I propose you use better mnemonics for the ascii range, such as <a> for a,
etc. That is, use the mnemonics defined in the POSIX standard for the ascii
range.
best regards
keld
On Thu, Nov 02, 2017 at 02:15:41PM +0000, claude at 2xlibre dot net wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=22387
>
> --- Comment #1 from Claude Paroz <claude at 2xlibre dot net> ---
> Created attachment 10570
> --> https://sourceware.org/bugzilla/attachment.cgi?id=10570&action=edit
> Partial patch for opinions
>
> Hereby a first draft of what the patch could be. Is this the right direction?
> Do you want one big patch or anything else?
>
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Fri, 03 Nov 2017 03:12:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #8 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to keld@keldix.com from comment #7)
> I think we should not do this, as it would make locales unusable
> with ebcdic encodings. I am also unsure how it will work with utf-16.
Please provide a justification for this requirement to support EBCDIC and
UTF-16, included systems that would be impacted today by this change.
I spoke with Ulrich Drepper directly, and he did point out that the design idea
behind using <Uxxxx> sequences was indeed to support the locales on systems
that had other encodings like EBCDIC, but with the rise of UTF-8 as the defacto
standard, no such systems have really materialized.
> I propose you use better mnemonics for the ascii range, such as <a> for a,
> etc. That is, use the mnemonics defined in the POSIX standard for the ascii
> range.
I disagree strongly with this, why use '<a>' instead of 'a'? Please provide
strong rationale for why we should keep using the <Uxxxx> format.
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>From glibc-bugs-return-39681-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 03 06:31:42 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug locale/22390] New: Rare memory corruption in localedef related to malloc
Date: Fri, 03 Nov 2017 06:31:00 -0000
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Bug ID: 22390
Summary: Rare memory corruption in localedef related to malloc
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: locale
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
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We occasionally see a crash in localedef during “make install”. I was able to
capture a backtrace from a core file:
#0 sysmalloc (nb=nb@entry=1361968, av=av@entry=0x7fffbe400ed8 <main_arena>)
at malloc.c:2768
#1 0x00007fffbe2b0f64 in _int_malloc (av=0x7fffbe400ed8 <main_arena>,
bytes=1361953) at malloc.c:4134
#2 0x00007fffbe2b6c4c in _int_realloc (nb=1361968, oldsize=680992,
oldp=0x7fffffb52690, av=0x7fffbe400ed8 <main_arena>) at malloc.c:4626
#3 __GI___libc_realloc (oldmem=0x7fffffb526a0, bytes=1361952) at malloc.c:3245
#4 0x0000000010049684 in xrealloc (p=<optimized out>, n=<optimized out>)
at programs/xmalloc.c:102
#5 0x0000000010006938 in idx_table_add (value=105661, wc=<optimized out>,
t=0x7fffffb36438) at programs/3level.h:127
#6 find_idx (ctype=ctype@entry=0x7fffffb36420, table=0x7fffffb369a8,
table@entry=0xfbf, max=max@entry=0x7fffffb369b0,
act=act@entry=0x7fffffb369b8, idx=idx@entry=170244)
at programs/ld-ctype.c:1234
#7 0x000000001000fe78 in find_idx (idx=170244, act=<optimized out>,
max=<optimized out>, table=<optimized out>, ctype=<optimized out>)
at programs/ld-ctype.c:1526
#8 charclass_ucs4_ellipsis (ldfile=<optimized out>, ldfile=<optimized out>,
now=0x7fffffb362a0, step=1, handle_digits=<optimized out>,
ignore_content=<optimized out>, class_bit=<optimized out>,
class256_bit=<optimized out>, last_wch=170244, repertoire=<optimized out>,
charmap=<optimized out>, ctype=<optimized out>) at programs/ld-ctype.c:1542
#9 ctype_read (ldfile=<optimized out>, result=<optimized out>,
charmap=0x7ffffe0d0640, repertoire_name=<optimized out>,
ignore_content=<optimized out>) at programs/ld-ctype.c:2401
#10 0x000000001003c3ec in locfile_read (result=0x7fffffb35ed0,
charmap=0x7ffffe0d0640) at programs/locfile.c:173
#11 0x000000001000490c in load_locale (category=<optimized out>,
name=0x7fffffb35e90 "i18n", repertoire_name=0x0, charmap=0x7ffffe0d0640,
copy_locale=0x0) at programs/localedef.c:621
#12 0x0000000010010c9c in ctype_read (ldfile=0x7fffffb35d10,
result=0x7fffffb35980, charmap=0x7ffffe0d0640, repertoire_name=0x0,
ignore_content=<optimized out>) at programs/ld-ctype.c:2141
#13 0x000000001003c3ec in locfile_read (result=0x7fffffb35980,
charmap=0x7ffffe0d0640) at programs/locfile.c:173
#14 0x000000001000490c in load_locale (category=<optimized out>,
name=0x7fffffb35940 "nl_NL", repertoire_name=0x0, charmap=0x7ffffe0d0640,
copy_locale=0x0) at programs/localedef.c:621
#15 0x0000000010010c9c in ctype_read (ldfile=0x7ffffe0d0520,
result=0x7ffff5cbfef0, charmap=0x7ffffe0d0640, repertoire_name=0x0,
ignore_content=<optimized out>) at programs/ld-ctype.c:2141
#16 0x000000001003c3ec in locfile_read (result=0x7ffff5cbfef0,
charmap=0x7ffffe0d0640) at programs/locfile.c:173
#17 0x0000000010003720 in main (argc=<optimized out>, argv=0x7ffff5cc0520)
at programs/localedef.c:252
2763 {
2764 remainder_size = size - nb;
2765 remainder = chunk_at_offset (p, nb);
2766 av->top = remainder;
2767 set_head (p, nb | PREV_INUSE | (av != &main_arena ?
NON_MAIN_ARENA : 0));
2768 set_head (remainder, remainder_size | PREV_INUSE);
2769 check_malloced_chunk (av, p, nb);
2770 return chunk2mem (p);
2771 }
The fault happens here:
0x00007fffbe2af090 <+384>: xor r8,r30,r26
0x00007fffbe2af094 <+388>: subf r9,r31,r9
0x00007fffbe2af098 <+392>: addic r26,r8,-1
0x00007fffbe2af09c <+396>: ori r10,r31,1
0x00007fffbe2af0a0 <+400>: subfe r26,r26,r8
0x00007fffbe2af0a4 <+404>: add r31,r22,r31
0x00007fffbe2af0a8 <+408>: rldicr r26,r26,2,61
0x00007fffbe2af0ac <+412>: ori r9,r9,1
0x00007fffbe2af0b0 <+416>: or r26,r10,r26
0x00007fffbe2af0b4 <+420>: std r31,88(r30)
0x00007fffbe2af0b8 <+424>: addi r3,r22,16
0x00007fffbe2af0bc <+428>: std r26,8(r22)
=> 0x00007fffbe2af0c0 <+432>: std r9,8(r31)
Most variables have been optimized out, but:
remainder = 0x800000004800
r9 = 0x2b801
r31 = 0x800000004800
“info file” says this:
0x0000000010000000 - 0x0000000010010000 is load1a
0x0000000010010000 - 0x0000000010010000 is load1b
0x0000000010060000 - 0x0000000010070000 is load2
0x0000000010070000 - 0x0000000010080000 is load3
0x00007fffba840000 - 0x00007fffbbce0000 is load4
0x00007fffbcaf0000 - 0x00007fffbdf90000 is load5
0x00007fffbe1a0000 - 0x00007fffbe1a0000 is load6
0x00007fffbe1d0000 - 0x00007fffbe1d0000 is load7
0x00007fffbe1e0000 - 0x00007fffbe1e0000 is load8
0x00007fffbe1f0000 - 0x00007fffbe200000 is load9a
0x00007fffbe200000 - 0x00007fffbe200000 is load9b
0x00007fffbe3e0000 - 0x00007fffbe3e0000 is load10
0x00007fffbe3f0000 - 0x00007fffbe400000 is load11
0x00007fffbe400000 - 0x00007fffbe410000 is load12
0x00007fffbe410000 - 0x00007fffbe430000 is load13
0x00007fffbe430000 - 0x00007fffbe440000 is load14a
0x00007fffbe440000 - 0x00007fffbe440000 is load14b
0x00007fffbe470000 - 0x00007fffbe480000 is load15
0x00007fffbe480000 - 0x00007fffbe490000 is load16
0x00007ffff5ca0000 - 0x00007ffff5cd0000 is load17
0x00007ffffe0d0000 - 0x0000800000030000 is load18
So address appears to be above the top of the heap.
This glibc is based on 2.26. We've only seen this on ppc64 so far (not s390x).
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Fri, 03 Nov 2017 06:49:00 -0000
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--- Comment #9 from Andreas Schwab <schwab@linux-m68k.org> ---
(In reply to Egmont Koblinger from comment #6)
> Bullet point 2 here says "Within a string, the double-quote character, the
> escape character, and the right angle bracket character shall be escaped
> [...]"
>
> Why not the left angle bracket too?
I think "right" is a typo here. It doesn't really make sense otherwise.
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>From glibc-bugs-return-39683-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 03 08:04:18 2017
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Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
Date: Fri, 03 Nov 2017 08:04:00 -0000
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
The crashing command is run from the localedata directory in the source tree.
The full command line looks like this:
/builddir/build/BUILD/glibc-2.26-65-ga76376df7c/build-ppc64-redhat-linux/locale/localedef
--alias-file=../intl/locale.alias --no-archive -i locales/nl_AW -c -f
charmaps/UTF-8 --prefix=/builddir/build/BUILDROOT/glibc-2.26-16.fc27.ppc64
nl_AW
It is executed with the built glibc, not the installed one, although both
versions are quite close in this case.
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Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
And it is necessary to set I18NPATH=. before running this command.
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Subject: [Bug dynamic-link/21236] NaN generation by optimized math functions
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|INVALID |DUPLICATE
--- Comment #11 from Florian Weimer <fweimer at redhat dot com> ---
*** This bug has been marked as a duplicate of bug 21265 ***
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Florian Weimer <fweimer at redhat dot com> changed:
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CC| |charles at schwieters dot org
--- Comment #27 from Florian Weimer <fweimer at redhat dot com> ---
*** Bug 21236 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-39687-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 03 08:46:30 2017
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Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
Date: Fri, 03 Nov 2017 08:46:00 -0000
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
Also seen on arm and ppc64le.
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Subject: [Bug localedata/19485] csb_PL: update month translations
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
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--- Comment #13 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Reopening, see the explanation above↑.
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>From glibc-bugs-return-39689-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 03 09:52:36 2017
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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--- Comment #10 from Egmont Koblinger <egmont at gmail dot com> ---
(In reply to Andreas Schwab from comment #9)
> I think "right" is a typo here. It doesn't really make sense otherwise.
Or they meant "right angle" (i.e. 90 degrees) bracket :-D
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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--- Comment #11 from Egmont Koblinger <egmont at gmail dot com> ---
I don't understand the EBCDIC worries at all.
These locale definition files are in ASCII. If you interpret these same files
in EBCDIC, section names and property names don't make any sense, and neither
do encoded characters such as "<U0020>", I mean it's no longer
less/greater-than, uppercase U and digits.
Then, if you iconv the file, the resulting <U0020> and friends still define
Unicode codepoints and not EBCDIC ones.
So, in order to use these files in an EBCDIC environment, they need to be
converted on two different levels.
This does not become any harder or any more complicated by allowing plain ASCII
characters.
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
Date: Fri, 03 Nov 2017 10:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22390
--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
Other crashes at the same place, with:
0x00007ffffca60000 - 0x0000800000030000 is load15
remainder = 0x800000004000
r9 = 0x2c001
r31 = 0x800000004000
0x00007ffffc910000 - 0x0000800000060000 is load16
remainder = 0x800000032c00
r9 = 0x2d401
r31 = 0x800000032c00
So far, I have only seen this with an explicit loader invocation. But with
that, it also reproduces with the installed glibc.
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/22391] New: Signal function clear NPTL internal symbols inconsistently
Date: Fri, 03 Nov 2017 11:17:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22391
Bug ID: 22391
Summary: Signal function clear NPTL internal symbols
inconsistently
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: nptl
Assignee: unassigned at sourceware dot org
Reporter: adhemerval.zanella at linaro dot org
CC: drepper.fsp at gmail dot com
Target Milestone: ---
The following signal set implementation does not filter out NPTL internal
signals:
1. signal/sigaddset.c
2. signal/sigdelset.c
3. sysdeps/unix/sysv/linux/ia64/sigprocmask.c
4. sysdeps/unix/sysv/linux/s390/s390-64/sigprocmask.c
5. sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c
6. sysdeps/unix/sysv/linux/x86_64/sigprocmask.c
7. nptl/sigaction.c
8. signal/sigaction.c
9. sysdeps/posix/sigset.c
Other signal function filter out NPTL internal signals. GLIBC on Linux
requires both signal to proper implement both pthread cancellation, posix
timers, and set*id function and having different semantics is troublesome (a
conformant program on a architecture that does not filter out the signals might
inadvertently disable pthread asynchronous cancellation, set*id synchronization
or posix timers).
Worse, some architecture differ on internal NPTL semantics (the sigprocmask
implementation listed above).
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Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
Date: Fri, 03 Nov 2017 12:36:00 -0000
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--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Created attachment 10571
--> https://sourceware.org/bugzilla/attachment.cgi?id=10571&action=edit
log.4332
strace log from crash
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Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
Date: Fri, 03 Nov 2017 12:37:00 -0000
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
Created attachment 10572
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core.4332.xz
coredump for log.4332 run
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Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
Date: Fri, 03 Nov 2017 12:40:00 -0000
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--- Comment #7 from Florian Weimer <fweimer at redhat dot com> ---
Backtrace from core.4332:
#0 sysmalloc (nb=nb@entry=7340064, av=av@entry=0x7fffbe610ee8 <main_arena>)
at malloc.c:2768
#1 0x00007fffbe4a9984 in _int_malloc (av=0x7fffbe610ee8 <main_arena>,
bytes=7340049) at malloc.c:4134
#2 0x00007fffbe4af92c in _int_realloc (nb=7340064, oldsize=3670032,
oldp=0x7fffffa35800, av=0x7fffbe610ee8 <main_arena>) at malloc.c:4626
#3 __GI___libc_realloc (oldmem=0x7fffffa35810, bytes=7340048) at malloc.c:3245
#4 0x0000000010049684 in xrealloc (p=<optimized out>, n=<optimized out>)
at programs/xmalloc.c:102
#5 0x0000000010006938 in idx_table_add (value=142819, wc=<optimized out>,
t=0x7fffff267408) at programs/3level.h:127
#6 find_idx (ctype=ctype@entry=0x7fffff2673f0,
table=table@entry=0x7fffff267978, max=max@entry=0x7fffff267980,
act=act@entry=0x7fffff267988, idx=<optimized out>)
at programs/ld-ctype.c:1234
#7 0x0000000010010934 in find_idx (idx=<optimized out>, act=<optimized out>,
max=<optimized out>, table=<optimized out>, ctype=<optimized out>)
at programs/ld-ctype.c:1388
#8 ctype_read (ldfile=<optimized out>, result=<optimized out>,
charmap=0x7ffffd801610, repertoire_name=<optimized out>,
ignore_content=<optimized out>) at programs/ld-ctype.c:2312
#9 0x000000001003c3ec in locfile_read (result=0x7fffff266ea0,
charmap=0x7ffffd801610) at programs/locfile.c:173
#10 0x000000001000490c in load_locale (category=<optimized out>,
name=0x7fffff266e60 "i18n", repertoire_name=0x0, charmap=0x7ffffd801610,
copy_locale=0x0) at programs/localedef.c:621
#11 0x0000000010010c9c in ctype_read (ldfile=0x7fffff266ce0,
result=0x7fffff266950, charmap=0x7ffffd801610, repertoire_name=0x0,
ignore_content=<optimized out>) at programs/ld-ctype.c:2141
#12 0x000000001003c3ec in locfile_read (result=0x7fffff266950,
charmap=0x7ffffd801610) at programs/locfile.c:173
#13 0x000000001000490c in load_locale (category=<optimized out>,
name=0x7fffff266910 "nl_NL", repertoire_name=0x0, charmap=0x7ffffd801610,
copy_locale=0x0) at programs/localedef.c:621
#14 0x0000000010010c9c in ctype_read (ldfile=0x7ffffd801510,
result=0x7fffe4459b00, charmap=0x7ffffd801610, repertoire_name=0x0,
ignore_content=<optimized out>) at programs/ld-ctype.c:2141
#15 0x000000001003c3ec in locfile_read (result=0x7fffe4459b00,
charmap=0x7ffffd801610) at programs/locfile.c:173
#16 0x0000000010003720 in main (argc=<optimized out>, argv=0x7fffe445a120)
at programs/localedef.c:252
remainder = 0x8000004b5830
r9 = 0x2a7d1
r31 = 0x8000004b5830
Memory map:
0x0000000010000000 - 0x0000000010010000 is load1a
0x0000000010010000 - 0x0000000010010000 is load1b
0x0000000010060000 - 0x0000000010070000 is load2
0x0000000010070000 - 0x0000000010080000 is load3
0x00007fffb3e60000 - 0x00007fffb5300000 is load4
0x00007fffb6110000 - 0x00007fffb75b0000 is load5
0x00007fffb77d0000 - 0x00007fffb77d0000 is load6
0x00007fffb7800000 - 0x00007fffb7800000 is load7
0x00007fffb7810000 - 0x00007fffb7810000 is load8
0x00007fffbe3e0000 - 0x00007fffbe3f0000 is load9a
0x00007fffbe3f0000 - 0x00007fffbe3f0000 is load9b
0x00007fffbe5f0000 - 0x00007fffbe5f0000 is load10
0x00007fffbe600000 - 0x00007fffbe610000 is load11
0x00007fffbe610000 - 0x00007fffbe620000 is load12
0x00007fffbe620000 - 0x00007fffbe620000 is load13
0x00007fffbe630000 - 0x00007fffbe650000 is load14
0x00007fffbe650000 - 0x00007fffbe660000 is load15a
0x00007fffbe660000 - 0x00007fffbe660000 is load15b
0x00007fffbe690000 - 0x00007fffbe6a0000 is load16
0x00007fffbe6a0000 - 0x00007fffbe6b0000 is load17
0x00007fffe4430000 - 0x00007fffe4460000 is load18
0x00007ffffd800000 - 0x00008000004e0000 is load19
If I'm not mistaken, 0x8000004b5830 + 16 is still within the 0x00007ffffd800000
- 0x00008000004e0000 mapping, and brk actually returned 0x00008000004e0000. So
this seems like a kernel bug.
Comments?
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
Date: Fri, 03 Nov 2017 12:46:00 -0000
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--- Comment #8 from Florian Weimer <fweimer at redhat dot com> ---
I forgot to mention that I see this with kernel-4.13.9-200.fc26.ppc64 (from
Fedora).
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>From glibc-bugs-return-39697-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 03 13:18:13 2017
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From: "gabriel at inconstante dot eti.br" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22377] iseqsig, float128 and C++
Date: Fri, 03 Nov 2017 13:18:00 -0000
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--- Comment #1 from Gabriel F. T. Gomes <gabriel at inconstante dot eti.br> ---
I posted an initial patch for review on:
https://sourceware.org/ml/libc-alpha/2017-11/msg00076.html
It still lacks a test case, though.
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Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
Date: Fri, 03 Nov 2017 13:54:00 -0000
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/18572] [arm] Lazy TLSDESC relocation has data race
Date: Fri, 03 Nov 2017 14:54:00 -0000
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=659ca267360e1c1f64eea9205bb81cb5e9049908
commit 659ca267360e1c1f64eea9205bb81cb5e9049908
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue Oct 24 17:49:14 2017 +0100
aarch64: optimize _dl_tlsdesc_dynamic fast path
Remove some load/store instructions from the dynamic tlsdesc resolver
fast path. This gives around 20% faster tls access in dlopened shared
libraries (assuming glibc ran out of static tls space).
* sysdeps/aarch64/dl-tlsdesc.S (_dl_tlsdesc_dynamic): Optimize.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=94d2f0af157d8c02e688a315039f8044aedbcc89
commit 94d2f0af157d8c02e688a315039f8044aedbcc89
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 20 17:53:44 2017 +0100
arm: Remove lazy tlsdesc initialization related code
Lazy tlsdesc initialization is no longer used in the dynamic linker
so all related code can be removed.
* sysdeps/arm/dl-machine.h (elf_machine_runtime_setup): Remove
DT_TLSDESC_GOT initialization.
* sysdeps/arm/dl-tlsdesc.S (_dl_tlsdesc_lazy_resolver): Remove.
(_dl_tlsdesc_resolve_hold): Likewise.
* sysdeps/aarch64/dl-tlsdesc.h (_dl_tlsdesc_lazy_resolver): Remove.
(_dl_tlsdesc_resolve_hold): Likewise.
* sysdeps/aarch64/tlsdesc.c (_dl_tlsdesc_lazy_resolver_fixup): Remove.
(_dl_tlsdesc_resolve_hold_fixup): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=28e1ddf340e205cd8e1eff58e92957318c6e9966
commit 28e1ddf340e205cd8e1eff58e92957318c6e9966
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 20 17:44:18 2017 +0100
arm: Remove unnecessary volatile qualifier
There is no reason to treat tlsdesc entries as volatile objects.
* sysdeps/arm/dl-machine.h (elf_machine_rel): Remove volatile.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ca3d1d6d096e222346c74601d50e9013c8bb25d
commit 0ca3d1d6d096e222346c74601d50e9013c8bb25d
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 20 17:35:12 2017 +0100
[BZ #18572] arm: Disable lazy initialization of tlsdesc entries
Follow up to
https://sourceware.org/ml/libc-alpha/2015-11/msg00272.html
Always do tls descriptor initialization at load time during relocation
processing (as if DF_BIND_NOW were set for the binary) to avoid barriers
at every tls access. This patch mimics bind-now semantics in the lazy
relocation code of the arm target (elf_machine_lazy_rel).
Ideally the static linker should be updated too to not emit tlsdesc
relocs in DT_REL*, so elf_machine_lazy_rel is not called on them at all.
[BZ #18572]
* sysdeps/arm/dl-machine.h (elf_machine_lazy_rel): Do symbol binding
non-lazily for R_ARM_TLS_DESC.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2c1d4e5fe4e722e0b747d6bddd7ce3a6b1766c52
commit 2c1d4e5fe4e722e0b747d6bddd7ce3a6b1766c52
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 20 17:10:50 2017 +0100
[BZ #17078] arm: remove prelinker support for R_ARM_TLS_DESC
This patch reverts
commit 9c82da17b5794efebe005de2fd22d61a3ea4b58a
Author: Maciej W. Rozycki <macro@codesourcery.com>
Date: 2014-07-17 19:22:05 +0100
[BZ #17078] ARM: R_ARM_TLS_DESC prelinker support
This only implemented support for the lazy binding case (and thus
closed the bugzilla ticket prematurely), however tlsdesc on arm is
not correct with lazy binding because there is a data race between
the lazy initialization code and tlsdesc resolver functions.
Lazy initialization of tlsdesc entries will be removed from arm to
fix the data races and thus this half-finished prelinker support
is no longer useful.
[BZ #17078]
* sysdeps/arm/dl-machine.h (elf_machine_rela): Remove the
R_ARM_TLS_DESC case.
(elf_machine_lazy_rel): Remove the prelink check.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91c5a366d8d398d2fc4542f961c93058a92ade6f
commit 91c5a366d8d398d2fc4542f961c93058a92ade6f
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Wed Sep 27 18:14:21 2017 +0100
aarch64: Remove barriers from TLS descriptor functions
Remove ldar synchronization and most lazy TLSDESC initialization
related code.
* sysdeps/aarch64/dl-machine.h (elf_machine_runtime_setup): Remove
DT_TLSDESC_GOT initialization.
* sysdeps/aarch64/dl-tlsdesc.S (_dl_tlsdesc_return_lazy): Remove.
(_dl_tlsdesc_resolve_rela): Likewise.
(_dl_tlsdesc_resolve_hold): Likewise.
(_dl_tlsdesc_undefweak): Remove ldar.
(_dl_tlsdesc_dynamic): Likewise.
* sysdeps/aarch64/dl-tlsdesc.h (_dl_tlsdesc_return_lazy): Remove.
(_dl_tlsdesc_resolve_rela): Likewise.
(_dl_tlsdesc_resolve_hold): Likewise.
* sysdeps/aarch64/tlsdesc.c (_dl_tlsdesc_resolve_rela_fixup): Remove.
(_dl_tlsdesc_resolve_hold_fixup): Likewise.
(_dl_tlsdesc_resolve_rela): Likewise.
(_dl_tlsdesc_resolve_hold): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b7cf203b5c17dd6d9878537d41e0c7cc3d270a67
commit b7cf203b5c17dd6d9878537d41e0c7cc3d270a67
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Wed Sep 27 16:55:14 2017 +0100
aarch64: Disable lazy symbol binding of TLSDESC
Always do TLS descriptor initialization at load time during relocation
processing to avoid barriers at every TLS access. In non-dlopened shared
libraries the overhead of tls access vs static global access is > 3x
bigger when lazy initialization is used (_dl_tlsdesc_return_lazy)
compared to bind-now (_dl_tlsdesc_return) so the barriers dominate tls
access performance.
TLSDESC relocs are in DT_JMPREL which are processed at load time using
elf_machine_lazy_rel which is only supposed to do lightweight
initialization using the DT_TLSDESC_PLT trampoline (the trampoline code
jumps to the entry point in DT_TLSDESC_GOT which does the lazy tlsdesc
initialization at runtime). This patch changes elf_machine_lazy_rel
in aarch64 to do the symbol binding and initialization as if DF_BIND_NOW
was set, so the non-lazy code path of elf/do-rel.h was replicated.
The static linker could be changed to emit TLSDESC relocs in DT_REL*,
which are processed non-lazily, but the goal of this patch is to always
guarantee bind-now semantics, even if the binary was produced with an
old linker, so the barriers can be dropped in tls descriptor functions.
After this change the synchronizing ldar instructions can be dropped
as well as the lazy initialization machinery including the DT_TLSDESC_GOT
setup.
I believe this should be done on all targets, including ones where no
barrier is needed for lazy initialization. There is very little gain in
optimizing for large number of symbolic tlsdesc relocations which is an
extremely uncommon case. And currently the tlsdesc entries are only
readonly protected with -z now and some hardennings against writable
JUMPSLOT relocs don't work for TLSDESC so they are a security hazard.
(But to fix that the static linker has to be changed.)
* sysdeps/aarch64/dl-machine.h (elf_machine_lazy_rel): Do symbol
binding and initialization non-lazily for R_AARCH64_TLSDESC.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0cc5b022f817eeaa81735ae58717b5dabae92941
commit 0cc5b022f817eeaa81735ae58717b5dabae92941
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Mon Oct 23 12:15:40 2017 +0100
Mark lazy tlsdesc helper functions unused to avoid warnings
These static functions are not needed if a target does not do lazy
tlsdesc initialization.
* elf/tlsdeschtab.h (_dl_tls_resolve_early_return_p): Mark unused.
(_dl_tlsdesc_wake_up_held_fixups): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 59 ++++++++
elf/tlsdeschtab.h | 2 +
sysdeps/aarch64/dl-machine.h | 23 ++--
sysdeps/aarch64/dl-tlsdesc.S | 308 +++++++-----------------------------------
sysdeps/aarch64/dl-tlsdesc.h | 9 --
sysdeps/aarch64/tlsdesc.c | 127 +-----------------
sysdeps/arm/dl-machine.h | 59 +++------
sysdeps/arm/dl-tlsdesc.S | 84 ------------
sysdeps/arm/dl-tlsdesc.h | 4 +-
sysdeps/arm/tlsdesc.c | 119 +----------------
10 files changed, 145 insertions(+), 649 deletions(-)
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/17078] error while loading shared libraries: unexpected reloc type 0x0d
Date: Fri, 03 Nov 2017 14:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17078
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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via 94d2f0af157d8c02e688a315039f8044aedbcc89 (commit)
via 28e1ddf340e205cd8e1eff58e92957318c6e9966 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=659ca267360e1c1f64eea9205bb81cb5e9049908
commit 659ca267360e1c1f64eea9205bb81cb5e9049908
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue Oct 24 17:49:14 2017 +0100
aarch64: optimize _dl_tlsdesc_dynamic fast path
Remove some load/store instructions from the dynamic tlsdesc resolver
fast path. This gives around 20% faster tls access in dlopened shared
libraries (assuming glibc ran out of static tls space).
* sysdeps/aarch64/dl-tlsdesc.S (_dl_tlsdesc_dynamic): Optimize.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=94d2f0af157d8c02e688a315039f8044aedbcc89
commit 94d2f0af157d8c02e688a315039f8044aedbcc89
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 20 17:53:44 2017 +0100
arm: Remove lazy tlsdesc initialization related code
Lazy tlsdesc initialization is no longer used in the dynamic linker
so all related code can be removed.
* sysdeps/arm/dl-machine.h (elf_machine_runtime_setup): Remove
DT_TLSDESC_GOT initialization.
* sysdeps/arm/dl-tlsdesc.S (_dl_tlsdesc_lazy_resolver): Remove.
(_dl_tlsdesc_resolve_hold): Likewise.
* sysdeps/aarch64/dl-tlsdesc.h (_dl_tlsdesc_lazy_resolver): Remove.
(_dl_tlsdesc_resolve_hold): Likewise.
* sysdeps/aarch64/tlsdesc.c (_dl_tlsdesc_lazy_resolver_fixup): Remove.
(_dl_tlsdesc_resolve_hold_fixup): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=28e1ddf340e205cd8e1eff58e92957318c6e9966
commit 28e1ddf340e205cd8e1eff58e92957318c6e9966
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 20 17:44:18 2017 +0100
arm: Remove unnecessary volatile qualifier
There is no reason to treat tlsdesc entries as volatile objects.
* sysdeps/arm/dl-machine.h (elf_machine_rel): Remove volatile.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ca3d1d6d096e222346c74601d50e9013c8bb25d
commit 0ca3d1d6d096e222346c74601d50e9013c8bb25d
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 20 17:35:12 2017 +0100
[BZ #18572] arm: Disable lazy initialization of tlsdesc entries
Follow up to
https://sourceware.org/ml/libc-alpha/2015-11/msg00272.html
Always do tls descriptor initialization at load time during relocation
processing (as if DF_BIND_NOW were set for the binary) to avoid barriers
at every tls access. This patch mimics bind-now semantics in the lazy
relocation code of the arm target (elf_machine_lazy_rel).
Ideally the static linker should be updated too to not emit tlsdesc
relocs in DT_REL*, so elf_machine_lazy_rel is not called on them at all.
[BZ #18572]
* sysdeps/arm/dl-machine.h (elf_machine_lazy_rel): Do symbol binding
non-lazily for R_ARM_TLS_DESC.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2c1d4e5fe4e722e0b747d6bddd7ce3a6b1766c52
commit 2c1d4e5fe4e722e0b747d6bddd7ce3a6b1766c52
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Oct 20 17:10:50 2017 +0100
[BZ #17078] arm: remove prelinker support for R_ARM_TLS_DESC
This patch reverts
commit 9c82da17b5794efebe005de2fd22d61a3ea4b58a
Author: Maciej W. Rozycki <macro@codesourcery.com>
Date: 2014-07-17 19:22:05 +0100
[BZ #17078] ARM: R_ARM_TLS_DESC prelinker support
This only implemented support for the lazy binding case (and thus
closed the bugzilla ticket prematurely), however tlsdesc on arm is
not correct with lazy binding because there is a data race between
the lazy initialization code and tlsdesc resolver functions.
Lazy initialization of tlsdesc entries will be removed from arm to
fix the data races and thus this half-finished prelinker support
is no longer useful.
[BZ #17078]
* sysdeps/arm/dl-machine.h (elf_machine_rela): Remove the
R_ARM_TLS_DESC case.
(elf_machine_lazy_rel): Remove the prelink check.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91c5a366d8d398d2fc4542f961c93058a92ade6f
commit 91c5a366d8d398d2fc4542f961c93058a92ade6f
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Wed Sep 27 18:14:21 2017 +0100
aarch64: Remove barriers from TLS descriptor functions
Remove ldar synchronization and most lazy TLSDESC initialization
related code.
* sysdeps/aarch64/dl-machine.h (elf_machine_runtime_setup): Remove
DT_TLSDESC_GOT initialization.
* sysdeps/aarch64/dl-tlsdesc.S (_dl_tlsdesc_return_lazy): Remove.
(_dl_tlsdesc_resolve_rela): Likewise.
(_dl_tlsdesc_resolve_hold): Likewise.
(_dl_tlsdesc_undefweak): Remove ldar.
(_dl_tlsdesc_dynamic): Likewise.
* sysdeps/aarch64/dl-tlsdesc.h (_dl_tlsdesc_return_lazy): Remove.
(_dl_tlsdesc_resolve_rela): Likewise.
(_dl_tlsdesc_resolve_hold): Likewise.
* sysdeps/aarch64/tlsdesc.c (_dl_tlsdesc_resolve_rela_fixup): Remove.
(_dl_tlsdesc_resolve_hold_fixup): Likewise.
(_dl_tlsdesc_resolve_rela): Likewise.
(_dl_tlsdesc_resolve_hold): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b7cf203b5c17dd6d9878537d41e0c7cc3d270a67
commit b7cf203b5c17dd6d9878537d41e0c7cc3d270a67
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Wed Sep 27 16:55:14 2017 +0100
aarch64: Disable lazy symbol binding of TLSDESC
Always do TLS descriptor initialization at load time during relocation
processing to avoid barriers at every TLS access. In non-dlopened shared
libraries the overhead of tls access vs static global access is > 3x
bigger when lazy initialization is used (_dl_tlsdesc_return_lazy)
compared to bind-now (_dl_tlsdesc_return) so the barriers dominate tls
access performance.
TLSDESC relocs are in DT_JMPREL which are processed at load time using
elf_machine_lazy_rel which is only supposed to do lightweight
initialization using the DT_TLSDESC_PLT trampoline (the trampoline code
jumps to the entry point in DT_TLSDESC_GOT which does the lazy tlsdesc
initialization at runtime). This patch changes elf_machine_lazy_rel
in aarch64 to do the symbol binding and initialization as if DF_BIND_NOW
was set, so the non-lazy code path of elf/do-rel.h was replicated.
The static linker could be changed to emit TLSDESC relocs in DT_REL*,
which are processed non-lazily, but the goal of this patch is to always
guarantee bind-now semantics, even if the binary was produced with an
old linker, so the barriers can be dropped in tls descriptor functions.
After this change the synchronizing ldar instructions can be dropped
as well as the lazy initialization machinery including the DT_TLSDESC_GOT
setup.
I believe this should be done on all targets, including ones where no
barrier is needed for lazy initialization. There is very little gain in
optimizing for large number of symbolic tlsdesc relocations which is an
extremely uncommon case. And currently the tlsdesc entries are only
readonly protected with -z now and some hardennings against writable
JUMPSLOT relocs don't work for TLSDESC so they are a security hazard.
(But to fix that the static linker has to be changed.)
* sysdeps/aarch64/dl-machine.h (elf_machine_lazy_rel): Do symbol
binding and initialization non-lazily for R_AARCH64_TLSDESC.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0cc5b022f817eeaa81735ae58717b5dabae92941
commit 0cc5b022f817eeaa81735ae58717b5dabae92941
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Mon Oct 23 12:15:40 2017 +0100
Mark lazy tlsdesc helper functions unused to avoid warnings
These static functions are not needed if a target does not do lazy
tlsdesc initialization.
* elf/tlsdeschtab.h (_dl_tls_resolve_early_return_p): Mark unused.
(_dl_tlsdesc_wake_up_held_fixups): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 59 ++++++++
elf/tlsdeschtab.h | 2 +
sysdeps/aarch64/dl-machine.h | 23 ++--
sysdeps/aarch64/dl-tlsdesc.S | 308 +++++++-----------------------------------
sysdeps/aarch64/dl-tlsdesc.h | 9 --
sysdeps/aarch64/tlsdesc.c | 127 +-----------------
sysdeps/arm/dl-machine.h | 59 +++------
sysdeps/arm/dl-tlsdesc.S | 84 ------------
sysdeps/arm/dl-tlsdesc.h | 4 +-
sysdeps/arm/tlsdesc.c | 119 +----------------
10 files changed, 145 insertions(+), 649 deletions(-)
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Fri, 03 Nov 2017 15:43:00 -0000
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--- Comment #12 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Andreas Schwab from comment #5)
> The escape character is also special inside strings.
>
> See
> <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap07.
> html#tag_07_03> for the full rules.
To understand what that means in practice, here an example.
The following source:
d_fmt "%d/%m/%Y %% // /% %/ \% \/ \\"
produces this:
[root@taka /]# LC_ALL=tpi_PG.UTF-8 locale -k d_fmt
d_fmt="%d%m%Y %% / % % \% \ \\"
I.e. the current source for tpi_PG has an error in d_fmt,
instead of
"%d/%m/%Y"
it should be
"%d//%m//%Y"
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/18572] [arm] Lazy TLSDESC relocation has data race
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Szabolcs Nagy <nszabolcs at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Szabolcs Nagy <nszabolcs at gmail dot com> ---
fixed in 0ca3d1d6d096e222346c74601d50e9013c8bb25d
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>From glibc-bugs-return-39703-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 03 15:51:29 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Fri, 03 Nov 2017 15:51:00 -0000
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--- Comment #13 from Egmont Koblinger <egmont at gmail dot com> ---
Can't a proposed patch be verified by comparing the compiled locale files
byte-by-byte?
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>From glibc-bugs-return-39704-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 03 16:49:11 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Fri, 03 Nov 2017 16:49:00 -0000
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--- Comment #14 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Furthermore, glibc effectively requires locales to be ASCII-compatible, in
that plenty of code dealing with strings in glibc directly generates or
interprets ASCII characters based on string or character constants in the
glibc code. (There may be a few variations for a few characters in some
locales, and it can't be assumed that toupper ('i') or tolower ('I') are
ASCII-compatible because of Turkish locales.) Thus we can assume that
localedef is run in an ASCII-compatible locale. EBCDIC variants are
supported by iconv for character set conversions; they are *not* supported
as locale character sets.
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Subject: [Bug dynamic-link/18572] [arm] Lazy TLSDESC relocation has data race
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |2.27
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Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
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--- Comment #9 from Florian Weimer <fweimer at redhat dot com> ---
I submitted this to the kernel people:
https://marc.info/?l=linux-mm&m=150972872411797&w=2
https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-November/165567.html
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Subject: [Bug libc/19574] glibc should support building static PIE binaries
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--- Comment #16 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at ae2bf5e2f8b932d8aad62d6bfa4486761e7a8b1e (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ae2bf5e2f8b932d8aad62d6bfa4486761e7a8b1e
commit ae2bf5e2f8b932d8aad62d6bfa4486761e7a8b1e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=386c5da2a85db6f7a012a9c6dab38bd076f4baf0
commit 386c5da2a85db6f7a012a9c6dab38bd076f4baf0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=661a5d9f031b66f5243855a04db4b7c2273872a7
commit 661a5d9f031b66f5243855a04db4b7c2273872a7
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=51df41e2a90d544fa9c4b83aebbf855449cb52f6
commit 51df41e2a90d544fa9c4b83aebbf855449cb52f6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=956d71e8dcc68df9dea334004eda784b53923088
commit 956d71e8dcc68df9dea334004eda784b53923088
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5217534e01bf6bd272d043799c7ade635c1e928a
commit 5217534e01bf6bd272d043799c7ade635c1e928a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=201cca38da8a23609c93e8f3986d3a55ba6a842a
commit 201cca38da8a23609c93e8f3986d3a55ba6a842a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b2aa8907043bdd8048647be22ab9a339f1934b49
commit b2aa8907043bdd8048647be22ab9a339f1934b49
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
The following changes are made for static PIE:
1. Add a new function, _dl_relocate_static_pie, to:
a. Get the run-time load address.
b. Read the dynamic section.
c. Perform dynamic relocations.
Dynamic linker also performs these steps. But static PIE doesn't load
any shared objects.
2. Call _dl_relocate_static_pie at entrance of LIBC_START_MAIN in
libc.a. crt1.o, which is used to create dynamic and non-PIE static
executables, is updated to include a dummy _dl_relocate_static_pie.
rcrt1.o is added to create static PIE, which will link in the real
_dl_relocate_static_pie. grcrt1.o is also added to create static PIE
with -pg. The names of rcrt1.o/grcrt1.o are chosen to be consistent
with musl libc and OpenBSD:
https://gcc.gnu.org/ml/gcc/2015-06/msg00008.html
The corresponding patch for GCC 8 is at
https://gcc.gnu.org/ml/gcc-patches/2017-11/msg00247.html
Static PIE can work on all architectures which support PIE, provided:
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, s390 and sh.
6. __brk works without TLS nor dynamic relocations in read-only section
so that it can be used by __libc_setup_tls to initializes TLS in static
PIE.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `r' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add r$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)r$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
Date: Fri, 03 Nov 2017 17:58:00 -0000
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Tulio Magno Quites Machado Filho <tuliom at linux dot vnet.ibm.com> changed:
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Subject: [Bug nptl/22337] pthread_join incorrectly fails for a detached running thread
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/22396] New: siglongjmp does not restore PKRU register
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https://sourceware.org/bugzilla/show_bug.cgi?id=22396
Bug ID: 22396
Summary: siglongjmp does not restore PKRU register
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
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Target: x86-64
When a signal handler is left using siglongjmp, the PKRU value is not restored.
This is problematic because the signal handler has access to all memory
protection keys disabled.
The application may not be able to save and restore the protection bits for all
keys because the kernel API does not actually specify that the set of keys is a
small, fixed set.
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Subject: [Bug libc/22396] x86-64: siglongjmp does not restore PKRU register
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|siglongjmp does not restore |x86-64: siglongjmp does not
|PKRU register |restore PKRU register
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>From glibc-bugs-return-39712-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Nov 05 06:07:56 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/22396] x86-64: siglongjmp does not restore PKRU register
Date: Sun, 05 Nov 2017 06:07:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Florian Weimer from comment #0)
> When a signal handler is left using siglongjmp, the PKRU value is not
> restored. This is problematic because the signal handler has access to all
> memory protection keys disabled.
The worst case is that the application fails because it can no longer access
memory that it previously could?
> The application may not be able to save and restore the protection bits for
> all keys because the kernel API does not actually specify that the set of
> keys is a small, fixed set.
Correct, it could be an arbitrary number of keys.
I think this is simply a case where we could just specify that siglongjmp out
of a signal handler leaves you in the most restrictive scenario possible,
without access to any memory protected by the keys.
I don't see any easy technical solution to this problem.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22396] x86-64: siglongjmp does not restore PKRU register
Date: Sun, 05 Nov 2017 07:37:00 -0000
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--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Carlos O'Donell from comment #1)
> (In reply to Florian Weimer from comment #0)
> > When a signal handler is left using siglongjmp, the PKRU value is not
> > restored. This is problematic because the signal handler has access to all
> > memory protection keys disabled.
>
> The worst case is that the application fails because it can no longer access
> memory that it previously could?
Correct, and the signal handler could be provided by a completely different
library which knows nothing about memory protection keys.
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>From glibc-bugs-return-39714-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Nov 05 13:26:07 2017
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Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
Date: Sun, 05 Nov 2017 13:26:00 -0000
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--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #3)
> Also seen on arm and ppc64le.
The arm issue is likely different. ppc64le is the same (I see the crash there
as well). The upstream kernel maintainers identified the 128 TB memory layout
by default as the likely cause of this regression.
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Subject: [Bug locale/22390] Rare memory corruption in localedef related to malloc
Date: Sun, 05 Nov 2017 14:52:00 -0000
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--- Comment #11 from Florian Weimer <fweimer at redhat dot com> ---
Created attachment 10574
--> https://sourceware.org/bugzilla/attachment.cgi?id=10574&action=edit
reproducer.c
I'm attaching a simplified reproducer. It needs to be run with an explicit
linker invocation, so that the heap is placed above ld.so.
The reproducer is still probabilistic. The increment might be so large that
the second sbrk call fails. But if the sbrk succeeds, the assignment at the
end will always segfault when running under a kernel which has the bug.
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Subject: [Bug locale/22390] localedef triggers ppc64/ppc64le kernel bug in 4.12+ when run with explicit ld.so invocation
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |MOVED
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Summary|Rare memory corruption in |localedef triggers
|localedef related to malloc |ppc64/ppc64le kernel bug in
| |4.12+ when run with
| |explicit ld.so invocation
--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
Identified as a kernel bug.
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Subject: [Bug nptl/22391] Signal function clear NPTL internal symbols inconsistently
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
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Subject: [Bug nptl/21083] robust timed lock may leave other waiters no chance to wake up
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--- Comment #5 from ma.jiang at zte dot com.cn ---
(In reply to Torvald Riegel from comment #4)
> (In reply to ma.jiang from comment #2)
> > (In reply to Carlos O'Donell from comment #1)
> >
> > > When you say "latest glibc sources" do you mean that you tested on master?
> > > How recently?
> > The patch is for glibc-2.24. I checked the trunk code just now, the bug
> > still exist. I have not write a testcase to reproduce the bug, it's quite
> > hard(Although the bug logic is clear)...
>
> I believe this is fixed in master(/trunk). Please have a look at what we do
> with assume_other_futex_waiters: If we ever potentially share FUTEX_WAITERS
> with another thread (C in your example), then after the futex operation we
> make sure to set this flag in any case. This happens either when acquiring
> the mutex (in which case we'll notice this during unlock and wake up C), or
> when not being able to acquire it, in which case there must be another owner
> that interfered and we delegate wake-up responsibilities to that other owner
> by setting FUTEX_WAITERS.
Yes, assume_other_futex_waiters can have FUTEX_WAITERS(after B get waked up),
But the there are still no FUTEX_WAITERS in mutex->__data.__lock. The core
logic is that pthread_mutex_timedlock could return ETIMEDOUT just before adding
FUTEX_WAITERS to mutex->__data.__lock. See attached code chunk.
#if (!defined __ASSUME_FUTEX_CLOCK_REALTIME \
|| !defined lll_futex_timed_wait_bitset)
struct timeval tv;
struct timespec rt;
/* Get the current time. */
(void) __gettimeofday (&tv, NULL);
/* Compute relative timeout. */
rt.tv_sec = abstime->tv_sec - tv.tv_sec;
rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
if (rt.tv_nsec < 0)
{
rt.tv_nsec += 1000000000;
--rt.tv_sec;
}
/* Already timed out? */
if (rt.tv_sec < 0)
return ETIMEDOUT; //->>> We have returned here, with FUTEX_WAITERS
in mutex->__data.__lock.
#endif
/* We cannot acquire the mutex nor has its owner died. Thus, try
to block using futexes. Set FUTEX_WAITERS if necessary so that
other threads are aware that there are potentially threads
blocked on the futex. Restart if oldval changed in the
meantime. */
if ((oldval & FUTEX_WAITERS) == 0)
{
if (atomic_compare_and_exchange_bool_acq (&mutex->__data.__lock,
oldval | FUTEX_WAITERS,
oldval)
!= 0)
{
oldval = mutex->__data.__lock;
continue;
}
oldval |= FUTEX_WAITERS;
}
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From: "ma.jiang at zte dot com.cn" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/21083] robust timed lock may leave other waiters no chance to wake up
Date: Mon, 06 Nov 2017 11:19:00 -0000
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--- Comment #6 from ma.jiang at zte dot com.cn ---
sorry, made a stupid mistake...
/* Already timed out? */
if (rt.tv_sec < 0)
return ETIMEDOUT; //->>> We have returned here, W_I_T_H_O_U_T
FUTEX_WAITERS in mutex->__data.__lock.
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>From glibc-bugs-return-39720-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 11:45:38 2017
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Subject: [Bug locale/22358] iconv cache should be in /var/cache
Date: Mon, 06 Nov 2017 11:45:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Doesn't that conflict with snapshots?
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>From glibc-bugs-return-39721-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 13:21:13 2017
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Subject: [Bug math/22402] New: [powerpc64le] __MATH_TG does not support _Float128 for -mlong-double-64
Date: Mon, 06 Nov 2017 13:21:00 -0000
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Bug ID: 22402
Summary: [powerpc64le] __MATH_TG does not support _Float128 for
-mlong-double-64
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: math
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Host: powerpc64le-*-*
The powerpc bits/floatn.h declares _Float128 support to be present when the
compiler supports it for powerpc64le. However, in the case where
-mlong-double-64 is used, __MATH_TG does not actually support _Float128; it
only supports _Float128 in the distinct-long-double case.
This shows up as a build failure when building glibc mainline with GCC
mainline, given the recently added sanity check in math.h for configurations
supported by __MATH_TG, as the compat code for -mlong-double-64 fails to build.
However, the bug was logically present before that change (including in 2.26),
just less visible.
Testing a patch (that changes bits/floatn.h not to declare _Float128 support to
be present in that case).
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>From glibc-bugs-return-39722-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 13:21:15 2017
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Subject: [Bug localedata/22403] New: Slash needs escaping in some locales
Date: Mon, 06 Nov 2017 13:21:00 -0000
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Bug ID: 22403
Summary: Slash needs escaping in some locales
Product: glibc
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Created attachment 10575
--> https://sourceware.org/bugzilla/attachment.cgi?id=10575&action=edit
Fixed slash escapes
Mike fixed slash escapes for the tpi_PG in commit a1c7cd3c72e500273.
The same issue affects an_ES, kab_DZ and om_ET.
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>From glibc-bugs-return-39723-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 13:23:59 2017
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Mon, 06 Nov 2017 13:23:00 -0000
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--- Comment #15 from Claude Paroz <claude at 2xlibre dot net> ---
(In reply to Egmont Koblinger from comment #13)
> Can't a proposed patch be verified by comparing the compiled locale files
> byte-by-byte?
Thanks, that was an excellent suggestion that allowed me to spot some errors in
my (almost-ready) forthcoming patch.
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>From glibc-bugs-return-39724-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 13:26:09 2017
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Mon, 06 Nov 2017 13:26:00 -0000
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--- Comment #16 from Claude Paroz <claude at 2xlibre dot net> ---
(In reply to Mike FABIAN from comment #12)
> I.e. the current source for tpi_PG has an error in d_fmt,
> instead of
>
> "%d/%m/%Y"
>
> it should be
>
> "%d//%m//%Y"
I reported similar errors in #22403 for locales an_ES, kab_DZ and om_ET.
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>From glibc-bugs-return-39725-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 13:27:18 2017
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Subject: [Bug math/22402] [powerpc64le] __MATH_TG does not support _Float128 for -mlong-double-64
Date: Mon, 06 Nov 2017 13:27:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4e2dff67beeb063cb36fe100d9d2b3f2f88d80c6
commit 4e2dff67beeb063cb36fe100d9d2b3f2f88d80c6
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Nov 6 13:26:15 2017 +0000
Do not declare _Float128 support for powerpc64le -mlong-double-64 (bug
22402).
The powerpc bits/floatn.h declares _Float128 support to be present
when the compiler supports it for powerpc64le. However, in the case
where -mlong-double-64 is used, __MATH_TG does not actually support
_Float128; it only supports _Float128 in the distinct-long-double
case.
This shows up as a build failure when building glibc mainline with GCC
mainline, given the recently added sanity check in math.h for
configurations supported by __MATH_TG, as the compat code for
-mlong-double-64 fails to build. However, the bug was logically
present before that change (including in 2.26), just less visible.
This patch fixes the build failure by declaring _Float128 to be
unsupported in that case. (Of course this can't actually stop users
calling the type-generic macros with _Float128 arguments with
-mlong-double-64, just as they could be called with other unsupported
types on other platforms, but perhaps makes it less likely by making
all the type-specific _Float128 interfaces invisible in that case.)
Tested compilation for powerpc64le with build-many-glibcs.py.
[BZ #22402]
* sysdeps/powerpc/bits/floatn.h: Include <bits/long-double.h>.
[__NO_LONG_DOUBLE_MATH] (__HAVE_FLOAT128): Define to 0.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/powerpc/bits/floatn.h | 3 ++-
2 files changed, 8 insertions(+), 1 deletions(-)
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Subject: [Bug math/22402] [powerpc64le] __MATH_TG does not support _Float128 for -mlong-double-64
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.27.
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug locale/22358] iconv cache should be in /var/cache
Date: Mon, 06 Nov 2017 17:25:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Schwab from comment #1)
> Doesn't that conflict with snapshots?
Could you please expand on what you mean by that?
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>From glibc-bugs-return-39728-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 17:30:40 2017
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22362] Installed crt1.o, crti,.o and crtn.o files are used with -m32
Date: Mon, 06 Nov 2017 17:30:00 -0000
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via abcb584d0eae7270b35e1b3fed1f9661e26b8be0 (commit)
from 4e2dff67beeb063cb36fe100d9d2b3f2f88d80c6 (commit)
Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=abcb584d0eae7270b35e1b3fed1f9661e26b8be0
commit abcb584d0eae7270b35e1b3fed1f9661e26b8be0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Nov 6 08:29:48 2017 -0800
Use newly built crt*.o files to build shared objects [BZ #22362]
When multi-lib GCC is used to build glibc, the search order of GCC driver
for crt*.o is -B*/`gcc -print-multi-directory`, the installed diretory,
-B*/. This patch adds multi-lib support to csu/Makefile so that
-B/glibc-build-directory/csu/ will pick up the newly built crt*.o.
Tested on x86-64 for i686 and x32.
[BZ #22362]
* Makerules (make-link-multidir): New.
* config.make.in (multidir): New.
* configure.ac (libc_cv_multidir): New. AC_SUBST.
* configure: Regenerated.
* csu/Makefile [$(multidir) != .](multilib-extra-objs): New.
[$(multidir) != .](extra-objs): Add $(multilib-extra-objs).
[$(multidir) != .]($(addprefix $(objpfx)$(multidir)/, $(install-lib))):
New target.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
Makerules | 9 +++++++++
config.make.in | 1 +
configure | 6 ++++++
configure.ac | 5 +++++
csu/Makefile | 10 ++++++++++
6 files changed, 43 insertions(+), 0 deletions(-)
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>From glibc-bugs-return-39729-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 17:35:36 2017
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Subject: [Bug libc/22362] Installed crt1.o, crti,.o and crtn.o files are used with -m32
Date: Mon, 06 Nov 2017 17:35:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed.
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>From glibc-bugs-return-39730-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 17:56:20 2017
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From: "arjun.is at lostca dot se" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/22405] New: Audit tcache code for potential integer overflows
Date: Mon, 06 Nov 2017 17:56:00 -0000
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Bug ID: 22405
Summary: Audit tcache code for potential integer overflows
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: arjun.is at lostca dot se
Target Milestone: ---
This is a follow up to bug 22375 where an integer overflow occurred in malloc
with tcache enabled. In that particular case, it was because of the use of
request2size instead of cached_request2size.
Out of curiosity, I grepped malloc.c for occurrences of request2size or
csize2tidx and found at least one expression that looks a bit like there's
potential for overflow (near line 5086):
csize2tidx (request2size(value)) + 1
-- which appears to actually be in an unused function(?).
I don't know much about the malloc or tcache implementations, and this could
very well end up being closed as NOTABUG after a brief look by an expert, but
I'm reporting this issue as a bug in the hope that it can be investigated and
answered by someone in the know.
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>From glibc-bugs-return-39732-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 18:13:51 2017
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Subject: [Bug locale/22358] iconv cache should be in /var/cache
Date: Mon, 06 Nov 2017 18:13:00 -0000
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #3)
> When rolling back to a snapshot the gconv modules may change, but /var/cache
> remains the same.
That shouldn't matter if it's a true (non-authoritative) cache.
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>From glibc-bugs-return-39731-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 18:13:08 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug locale/22358] iconv cache should be in /var/cache
Date: Mon, 06 Nov 2017 18:13:00 -0000
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--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
When rolling back to a snapshot the gconv modules may change, but /var/cache
remains the same.
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>From glibc-bugs-return-39733-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 18:18:42 2017
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Subject: [Bug locale/22358] iconv cache should be in /var/cache
Date: Mon, 06 Nov 2017 18:18:00 -0000
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--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> ---
That doesn't look like it is.
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>From glibc-bugs-return-39734-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 18:27:33 2017
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Subject: [Bug locale/22358] iconv cache should be in /var/cache
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--- Comment #6 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Schwab from comment #5)
> That doesn't look like it is.
What is your opinion? Should we make it a true cache?
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Subject: [Bug locale/22358] iconv cache should be in /var/cache
Date: Mon, 06 Nov 2017 18:32:00 -0000
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--- Comment #7 from Andreas Schwab <schwab@linux-m68k.org> ---
What's the benefit?
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>From glibc-bugs-return-39736-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 06 23:43:00 2017
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Subject: [Bug locale/22358] iconv cache should be in /var/cache
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--- Comment #8 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Schwab from comment #7)
> What's the benefit?
Having the true cache means the user can delete the cache, if they want, at the
cost of performance vs. disk space. Which might be useful for cloud machines.
If it's not a true cache, then I agree we could just leave it where it is.
Argue that it's binary data to be delivered by the package.
Is that enough benefit?
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Subject: [Bug localedata/22371] U+FFE2 and U+FFE4, iconv does not convert to HALFWIDTH(EUC-JISX0213)
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--- Comment #7 from Akira Nakajima <nakajima.akira at nttcom dot co.jp> ---
Created attachment 10576
--> https://sourceware.org/bugzilla/attachment.cgi?id=10576&action=edit
JIS X 0213
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>From glibc-bugs-return-39738-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 07 08:39:46 2017
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Subject: [Bug localedata/22371] U+FFE2 and U+FFE4, iconv does not convert to HALFWIDTH(EUC-JISX0213)
Date: Tue, 07 Nov 2017 08:39:00 -0000
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--- Comment #8 from Akira Nakajima <nakajima.akira at nttcom dot co.jp> ---
I found following sources.
=====================================================
JIS X 0208 -> Unicode
https://www.unicode.org/Public/MAPPINGS/OBSOLETE/EASTASIA/JIS/JIS0208.TXT
SJIS JIS JIS X 0208 -> Unicode
0x8150 0x2131 0xFFE3 # FULLWIDTH MACRON
0x818F 0x216F 0xFFE5 # FULLWIDTH YEN SIGN
=====================================================
=====================================================
JIS X 0213 -> Unicode
I couldn't find English source, but found Japanese source at JIS HomePage.
(can't download, only see at Web)
http://www.jisc.go.jp/index.html
This page is Japanese.
To reach source, Please see attached PNG.
01.PNG : Click 「JIS検索」 at Right Upper.
02.PNG : Input 「X0213」 and Press Enter.
03:PNG : Click 「X0213_007 （PDFファイル：2881KB 別ウィンドウでリンク）」
See page 5 and 16
SJIS JIS JIS X 0213 -> Unicode(JIS X 0221)
0x8150 0x2131 U+203E # OVERLINE
0x818F 0x216F U+00A5 # YEN SIGN
=====================================================
I noticed Yesterday that this conversion of iconv is famous in many blogs and
books.
Their view are that this is not bug, this is specification.
They who know much more detail than me say so.
Therefore, this will be specification of iconv.
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Subject: [Bug locale/22358] iconv cache should be in /var/cache
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--- Comment #9 from Andreas Schwab <schwab@linux-m68k.org> ---
> Having the true cache means the user can delete the cache,
You can do that already, but that's not a true cache still. A true cache would
be updated automatically, which it isn't.
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Subject: [Bug localedata/22403] Slash needs escaping in some locales
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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Subject: [Bug libc/22341] Uninitialized variable in inline function elf_get_dynamic_info in get-dynamic-info.h
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
The object contains invalid entries in the dynamic section. The values are
initialized from loading the object.
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Subject: [Bug nptl/22298] x32: lockups on recursive pthread_mutex_lock after upgrade to 2.26
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06be6368da16104be51ebf23f7c68a51f321673f
commit 06be6368da16104be51ebf23f7c68a51f321673f
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Oct 19 10:11:57 2017 -0200
nptl: Define __PTHREAD_MUTEX_{NUSERS_AFTER_KIND,USE_UNION}
This patch adds two new internal defines to set the internal
pthread_mutex_t layout required by the supported ABIS:
1. __PTHREAD_MUTEX_NUSERS_AFTER_KIND which control whether to define
__nusers fields before or after __kind. The preferred value for
is 0 for new ports and it sets __nusers before __kind.
2. __PTHREAD_MUTEX_USE_UNION which control whether internal __spins and
__list members will be place inside an union for linuxthreads
compatibility. The preferred value is 0 for ports and it sets
to not use an union to define both fields.
It fixes the wrong offsets value for __kind value on x86_64-linux-gnu-x32.
Checked with a make check run-built-tests=no on all afected ABIs.
[BZ #22298]
* nptl/allocatestack.c (allocate_stack): Check if
__PTHREAD_MUTEX_HAVE_PREV is non-zero, instead if
__PTHREAD_MUTEX_HAVE_PREV is defined.
* nptl/descr.h (pthread): Likewise.
* nptl/nptl-init.c (__pthread_initialize_minimal_internal):
Likewise.
* nptl/pthread_create.c (START_THREAD_DEFN): Likewise.
* sysdeps/nptl/fork.c (__libc_fork): Likewise.
* sysdeps/nptl/pthread.h (PTHREAD_MUTEX_INITIALIZER): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): New
defines.
(__pthread_internal_list): Check __PTHREAD_MUTEX_USE_UNION instead
of __WORDSIZE for internal layout.
(__pthread_mutex_s): Check __PTHREAD_MUTEX_NUSERS_AFTER_KIND instead
of __WORDSIZE for internal __nusers layout and
__PTHREAD_MUTEX_USE_UNION
instead of __WORDSIZE whether to use an union for __spins and __list
fields.
(__PTHREAD_MUTEX_HAVE_PREV): Define also for __PTHREAD_MUTEX_USE_UNION
case.
* sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): New
defines.
* sysdeps/alpha/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/arm/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/hppa/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/ia64/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/m68k/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/mips/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/nios2/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/powerpc/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/s390/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/sh/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/sparc/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/tile/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/x86/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=72b3c6eecde494a31dffa5604d551f88be859d73
commit 72b3c6eecde494a31dffa5604d551f88be859d73
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Oct 16 12:25:35 2017 -0200
nptl: Change tst-typesizes to _Static_assert
Instead of rely on runtime check to assure correct pthread types
size a better strategy would use _Static_assert to trigger an error
on build time (and thus allowing to check to potentially ABI breakage
on cross-compiling make check).
This patch moves nptl/tst-typesizes.c to libpthread build time on
each specific initialization routine and also remove some runtime
redundant asserts for the same type sizes.
Checked on x86_64-linux-gnu and with a build check for all affected
ABIs (aarch64-linux-gnu, alpha-linux-gnu, arm-linux-gnueabihf,
hppa-linux-gnu, i686-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu, mips64-linux-gnu, mips64-n32-linux-gnu,
mips-linux-gnu, powerpc64le-linux-gnu, powerpc-linux-gnu,
s390-linux-gnu, s390x-linux-gnu, sh4-linux-gnu, sparc64-linux-gnu,
sparcv9-linux-gnu, tilegx-linux-gnu, tilegx-linux-gnu-x32,
tilepro-linux-gnu, x86_64-linux-gnu, and x86_64-linux-x32).
* nptl/pthreadP.h (ASSERT_TYPE_SIZE, ASSERT_PTHREAD_INTERNAL_SIZE):
New macros.
* nptl/pthread_attr_init.c (__pthread_mutex_init): Add build time
checks for expected input type size.
* nptl/pthread_barrier_init.c (__pthread_barrier_init): Likewise.
* nptl/pthread_barrierattr_init.c (pthread_barrierattr_init):
Likewise.
* nptl/pthread_cond_init.c (__pthread_cond_init): Likewise.
* nptl/pthread_condattr_init.c (__pthread_condattr_init): Likewise.
* nptl/pthread_mutex_init.c (__pthread_mutex_init): Likewise.
* nptl/pthread_mutexattr_init.c (__pthread_mutexattr_init): Likewise.
* nptl/pthread_rwlock_init.c (__pthread_rwlock_init): Likewise.
* nptl/pthread_rwlockattr_init.c (pthread_rwlockattr_init): Likewise.
* nptl/sem_init.c (__new_sem_init, __old_sem_init): Likewise
* nptl/pthread_attr_destroy.c (__pthread_attr_destroy): Remove
superflous runtime assert check.
* nptl/pthread_attr_getaffinity.c (__pthread_attr_getaffinity_new):
Likewise.
* nptl/pthread_attr_getdetachstate.c (__pthread_attr_getdetachstate):
Likewise.
* nptl/pthread_attr_getguardsize.c (pthread_attr_getguardsize):
Likewise.
* nptl/pthread_attr_getinheritsched.c (__pthread_attr_getinheritsched):
Likewise.
* nptl/pthread_attr_getschedparam.c (__pthread_attr_getschedparam):
Likewise.
* nptl/pthread_attr_getschedpolicy.c (__pthread_attr_getschedpolicy):
Likewise.
* nptl/pthread_attr_getscope.c (__pthread_attr_getscope): Likewise.
* nptl/pthread_attr_getstack.c (__pthread_attr_getstack): Likewise.
* nptl/pthread_attr_getstackaddr.c (__pthread_attr_getstackaddr):
Likewise.
* nptl/pthread_attr_getstacksize.c (__pthread_attr_getstacksize):
Likewise.
* nptl/pthread_attr_setaffinity.c (__pthread_attr_setaffinity_new):
Likewise.
* nptl/pthread_attr_setdetachstate.c (__pthread_attr_setdetachstate):
Likewise.
* nptl/pthread_attr_setguardsize.c (pthread_attr_setguardsize):
Likewise.
* nptl/pthread_attr_setinheritsched.c
(__pthread_attr_setinheritsched): Likewise.
* nptl/pthread_attr_setschedparam.c (__pthread_attr_setschedparam):
Likewise.
* nptl/pthread_attr_setschedpolicy.c (__pthread_attr_setschedpolicy):
Likewise.
* nptl/pthread_attr_setscope.c (__pthread_attr_setscope): Likewise.
* nptl/pthread_attr_setstack.c (__pthread_attr_setstack,
__old_pthread_attr_setstack): Likewise.
* nptl/pthread_attr_setstackaddr.c (__pthread_attr_setstackaddr):
Likewise.
* nptl/pthread_attr_setstacksize.c (__pthread_attr_setstacksize):
Likewise.
* nptl/pthread_getattr_default_np.c (pthread_getattr_default_np):
Likewise.
* nptl/pthread_mutex_lock.c (__pthread_mutex_lock): Likewise.
* nptl/pthread_setattr_default_np.c (pthread_setattr_default_np):
Likewise.
* nptl/tst-typesizes.c: Remove file.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dff91cd45e35e47d567274331f3deb8e87a188c9
commit dff91cd45e35e47d567274331f3deb8e87a188c9
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Oct 16 14:27:29 2017 -0200
nptl: Add tests for internal pthread_mutex_t offsets
This patch adds a new build test to check for internal fields
offsets for user visible internal field. Although currently
the only field which is statically initialized to a non zero value
is pthread_mutex_t.__data.__kind value, the tests also check the
offset of __kind, __spins, __elision (if supported), and __list
internal member. A internal header (pthread-offset.h) is added
to each major ABI with the reference value.
Checked on x86_64-linux-gnu and with a build check for all affected
ABIs (aarch64-linux-gnu, alpha-linux-gnu, arm-linux-gnueabihf,
hppa-linux-gnu, i686-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu, mips64-linux-gnu, mips64-n32-linux-gnu,
mips-linux-gnu, powerpc64le-linux-gnu, powerpc-linux-gnu,
s390-linux-gnu, s390x-linux-gnu, sh4-linux-gnu, sparc64-linux-gnu,
sparcv9-linux-gnu, tilegx-linux-gnu, tilegx-linux-gnu-x32,
tilepro-linux-gnu, x86_64-linux-gnu, and x86_64-linux-x32).
* nptl/pthreadP.h (ASSERT_PTHREAD_STRING,
ASSERT_PTHREAD_INTERNAL_OFFSET): New macro.
* nptl/pthread_mutex_init.c (__pthread_mutex_init): Add build time
checks for internal pthread_mutex_t offsets.
* sysdeps/aarch64/nptl/pthread-offsets.h
(__PTHREAD_MUTEX_NUSERS_OFFSET, __PTHREAD_MUTEX_KIND_OFFSET,
__PTHREAD_MUTEX_SPINS_OFFSET, __PTHREAD_MUTEX_ELISION_OFFSET,
__PTHREAD_MUTEX_LIST_OFFSET): New macro.
* sysdeps/alpha/nptl/pthread-offsets.h: Likewise.
* sysdeps/arm/nptl/pthread-offsets.h: Likewise.
* sysdeps/hppa/nptl/pthread-offsets.h: Likewise.
* sysdeps/i386/nptl/pthread-offsets.h: Likewise.
* sysdeps/ia64/nptl/pthread-offsets.h: Likewise.
* sysdeps/m68k/nptl/pthread-offsets.h: Likewise.
* sysdeps/microblaze/nptl/pthread-offsets.h: Likewise.
* sysdeps/mips/nptl/pthread-offsets.h: Likewise.
* sysdeps/nios2/nptl/pthread-offsets.h: Likewise.
* sysdeps/powerpc/nptl/pthread-offsets.h: Likewise.
* sysdeps/s390/nptl/pthread-offsets.h: Likewise.
* sysdeps/sh/nptl/pthread-offsets.h: Likewise.
* sysdeps/sparc/nptl/pthread-offsets.h: Likewise.
* sysdeps/tile/nptl/pthread-offsets.h: Likewise.
* sysdeps/x86_64/nptl/pthread-offsets.h: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 153 ++++++++++++++++++++++
nptl/allocatestack.c | 2 +-
nptl/descr.h | 2 +-
nptl/nptl-init.c | 2 +-
nptl/pthreadP.h | 14 ++
nptl/pthread_attr_destroy.c | 2 -
nptl/pthread_attr_getaffinity.c | 2 -
nptl/pthread_attr_getdetachstate.c | 2 -
nptl/pthread_attr_getguardsize.c | 2 -
nptl/pthread_attr_getinheritsched.c | 2 -
nptl/pthread_attr_getschedparam.c | 2 -
nptl/pthread_attr_getschedpolicy.c | 2 -
nptl/pthread_attr_getscope.c | 2 -
nptl/pthread_attr_getstack.c | 2 -
nptl/pthread_attr_getstackaddr.c | 2 -
nptl/pthread_attr_getstacksize.c | 2 -
nptl/pthread_attr_init.c | 5 +-
nptl/pthread_attr_setaffinity.c | 2 -
nptl/pthread_attr_setdetachstate.c | 2 -
nptl/pthread_attr_setguardsize.c | 2 -
nptl/pthread_attr_setinheritsched.c | 2 -
nptl/pthread_attr_setschedparam.c | 2 -
nptl/pthread_attr_setschedpolicy.c | 2 -
nptl/pthread_attr_setscope.c | 2 -
nptl/pthread_attr_setstack.c | 3 -
nptl/pthread_attr_setstackaddr.c | 2 -
nptl/pthread_attr_setstacksize.c | 3 -
nptl/pthread_barrier_init.c | 4 +
nptl/pthread_barrierattr_init.c | 4 +
nptl/pthread_cond_init.c | 2 +
nptl/pthread_condattr_init.c | 4 +
nptl/pthread_create.c | 4 +-
nptl/pthread_getattr_default_np.c | 2 -
nptl/pthread_mutex_init.c | 16 ++-
nptl/pthread_mutex_lock.c | 2 -
nptl/pthread_mutexattr_init.c | 4 +
nptl/pthread_rwlock_init.c | 2 +
nptl/pthread_rwlockattr_init.c | 4 +
nptl/pthread_setattr_default_np.c | 2 -
nptl/sem_init.c | 4 +
nptl/tst-typesizes.c | 95 -------------
sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/aarch64/nptl/pthread-offsets.h | 5 +
sysdeps/alpha/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/alpha/nptl/pthread-offsets.h | 5 +
sysdeps/arm/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/arm/nptl/pthread-offsets.h | 5 +
sysdeps/hppa/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/hppa/nptl/pthread-offsets.h | 5 +
sysdeps/i386/nptl/pthread-offsets.h | 5 +
sysdeps/ia64/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/ia64/nptl/pthread-offsets.h | 5 +
sysdeps/m68k/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/m68k/nptl/pthread-offsets.h | 5 +
sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/microblaze/nptl/pthread-offsets.h | 5 +
sysdeps/mips/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/mips/nptl/pthread-offsets.h | 13 ++
sysdeps/nios2/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/nios2/nptl/pthread-offsets.h | 5 +
sysdeps/nptl/bits/thread-shared-types.h | 32 ++++-
sysdeps/nptl/fork.c | 2 +-
sysdeps/nptl/pthread.h | 2 +-
sysdeps/powerpc/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/powerpc/nptl/pthread-offsets.h | 15 ++
sysdeps/s390/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/s390/nptl/pthread-offsets.h | 15 ++
sysdeps/sh/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/sh/nptl/pthread-offsets.h | 5 +
sysdeps/sparc/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/sparc/nptl/pthread-offsets.h | 15 ++
sysdeps/tile/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/tile/nptl/pthread-offsets.h | 15 ++
sysdeps/x86/nptl/bits/pthreadtypes-arch.h | 7 +
sysdeps/x86_64/nptl/pthread-offsets.h | 5 +
75 files changed, 410 insertions(+), 160 deletions(-)
delete mode 100644 nptl/tst-typesizes.c
create mode 100644 sysdeps/aarch64/nptl/pthread-offsets.h
create mode 100644 sysdeps/alpha/nptl/pthread-offsets.h
create mode 100644 sysdeps/arm/nptl/pthread-offsets.h
create mode 100644 sysdeps/hppa/nptl/pthread-offsets.h
create mode 100644 sysdeps/i386/nptl/pthread-offsets.h
create mode 100644 sysdeps/ia64/nptl/pthread-offsets.h
create mode 100644 sysdeps/m68k/nptl/pthread-offsets.h
create mode 100644 sysdeps/microblaze/nptl/pthread-offsets.h
create mode 100644 sysdeps/mips/nptl/pthread-offsets.h
create mode 100644 sysdeps/nios2/nptl/pthread-offsets.h
create mode 100644 sysdeps/powerpc/nptl/pthread-offsets.h
create mode 100644 sysdeps/s390/nptl/pthread-offsets.h
create mode 100644 sysdeps/sh/nptl/pthread-offsets.h
create mode 100644 sysdeps/sparc/nptl/pthread-offsets.h
create mode 100644 sysdeps/tile/nptl/pthread-offsets.h
create mode 100644 sysdeps/x86_64/nptl/pthread-offsets.h
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From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nptl/22298] x32: lockups on recursive pthread_mutex_lock after upgrade to 2.26
Date: Tue, 07 Nov 2017 12:54:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2017-11-07
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
Ever confirmed|0 |1
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To: glibc-bugs@sourceware.org
Subject: [Bug nptl/22298] x32: lockups on recursive pthread_mutex_lock after upgrade to 2.26
Date: Tue, 07 Nov 2017 12:55:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
It should be fixed by 06be6368da16104be51ebf23f7c68a51f321673f. I will
backport it to 2.26.
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Subject: [Bug nptl/22298] x32: lockups on recursive pthread_mutex_lock after upgrade to 2.26
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https://sourceware.org/bugzilla/show_bug.cgi?id=22298
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a81c1156c1a9a6161d49b295a09a4e4cff7a88d0
commit a81c1156c1a9a6161d49b295a09a4e4cff7a88d0
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Oct 19 10:11:57 2017 -0200
nptl: Define __PTHREAD_MUTEX_{NUSERS_AFTER_KIND,USE_UNION}
This patch adds two new internal defines to set the internal
pthread_mutex_t layout required by the supported ABIS:
1. __PTHREAD_MUTEX_NUSERS_AFTER_KIND which control whether to define
__nusers fields before or after __kind. The preferred value for
is 0 for new ports and it sets __nusers before __kind.
2. __PTHREAD_MUTEX_USE_UNION which control whether internal __spins and
__list members will be place inside an union for linuxthreads
compatibility. The preferred value is 0 for ports and it sets
to not use an union to define both fields.
It fixes the wrong offsets value for __kind value on x86_64-linux-gnu-x32.
Checked with a make check run-built-tests=no on all afected ABIs.
[BZ #22298]
* nptl/allocatestack.c (allocate_stack): Check if
__PTHREAD_MUTEX_HAVE_PREV is non-zero, instead if
__PTHREAD_MUTEX_HAVE_PREV is defined.
* nptl/descr.h (pthread): Likewise.
* nptl/nptl-init.c (__pthread_initialize_minimal_internal):
Likewise.
* nptl/pthread_create.c (START_THREAD_DEFN): Likewise.
* sysdeps/nptl/fork.c (__libc_fork): Likewise.
* sysdeps/nptl/pthread.h (PTHREAD_MUTEX_INITIALIZER): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): New
defines.
(__pthread_internal_list): Check __PTHREAD_MUTEX_USE_UNION instead
of __WORDSIZE for internal layout.
(__pthread_mutex_s): Check __PTHREAD_MUTEX_NUSERS_AFTER_KIND instead
of __WORDSIZE for internal __nusers layout and
__PTHREAD_MUTEX_USE_UNION
instead of __WORDSIZE whether to use an union for __spins and __list
fields.
(__PTHREAD_MUTEX_HAVE_PREV): Define also for __PTHREAD_MUTEX_USE_UNION
case.
* sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): New
defines.
* sysdeps/alpha/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/arm/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/hppa/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/ia64/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/m68k/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/mips/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/nios2/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/powerpc/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/s390/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/sh/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/sparc/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/tile/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/x86/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit 06be6368da16104be51ebf23f7c68a51f321673f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5712f8db265a75132dde7ffa4b5aab41c89a6b89
commit 5712f8db265a75132dde7ffa4b5aab41c89a6b89
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Oct 16 14:27:29 2017 -0200
nptl: Add tests for internal pthread_mutex_t offsets
This patch adds a new build test to check for internal fields
offsets for user visible internal field. Although currently
the only field which is statically initialized to a non zero value
is pthread_mutex_t.__data.__kind value, the tests also check the
offset of __kind, __spins, __elision (if supported), and __list
internal member. A internal header (pthread-offset.h) is added
to each major ABI with the reference value.
Checked on x86_64-linux-gnu and with a build check for all affected
ABIs (aarch64-linux-gnu, alpha-linux-gnu, arm-linux-gnueabihf,
hppa-linux-gnu, i686-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu, mips64-linux-gnu, mips64-n32-linux-gnu,
mips-linux-gnu, powerpc64le-linux-gnu, powerpc-linux-gnu,
s390-linux-gnu, s390x-linux-gnu, sh4-linux-gnu, sparc64-linux-gnu,
sparcv9-linux-gnu, tilegx-linux-gnu, tilegx-linux-gnu-x32,
tilepro-linux-gnu, x86_64-linux-gnu, and x86_64-linux-x32).
* nptl/pthreadP.h (ASSERT_PTHREAD_STRING,
ASSERT_PTHREAD_INTERNAL_OFFSET): New macro.
* nptl/pthread_mutex_init.c (__pthread_mutex_init): Add build time
checks for internal pthread_mutex_t offsets.
* sysdeps/aarch64/nptl/pthread-offsets.h
(__PTHREAD_MUTEX_NUSERS_OFFSET, __PTHREAD_MUTEX_KIND_OFFSET,
__PTHREAD_MUTEX_SPINS_OFFSET, __PTHREAD_MUTEX_ELISION_OFFSET,
__PTHREAD_MUTEX_LIST_OFFSET): New macro.
* sysdeps/alpha/nptl/pthread-offsets.h: Likewise.
* sysdeps/arm/nptl/pthread-offsets.h: Likewise.
* sysdeps/hppa/nptl/pthread-offsets.h: Likewise.
* sysdeps/i386/nptl/pthread-offsets.h: Likewise.
* sysdeps/ia64/nptl/pthread-offsets.h: Likewise.
* sysdeps/m68k/nptl/pthread-offsets.h: Likewise.
* sysdeps/microblaze/nptl/pthread-offsets.h: Likewise.
* sysdeps/mips/nptl/pthread-offsets.h: Likewise.
* sysdeps/nios2/nptl/pthread-offsets.h: Likewise.
* sysdeps/powerpc/nptl/pthread-offsets.h: Likewise.
* sysdeps/s390/nptl/pthread-offsets.h: Likewise.
* sysdeps/sh/nptl/pthread-offsets.h: Likewise.
* sysdeps/sparc/nptl/pthread-offsets.h: Likewise.
* sysdeps/tile/nptl/pthread-offsets.h: Likewise.
* sysdeps/x86_64/nptl/pthread-offsets.h: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit dff91cd45e35e47d567274331f3deb8e87a188c9)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bfdb34f2f26933a831684c09cadc2b782f7fbd7a
commit bfdb34f2f26933a831684c09cadc2b782f7fbd7a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Sat Oct 21 11:33:27 2017 -0200
posix: Do not use WNOHANG in waitpid call for Linux posix_spawn
As shown in some buildbot issues on aarch64 and powerpc, calling
clone (VFORK) and waitpid (WNOHANG) does not guarantee the child
is ready to be collected. This patch changes the call back to 0
as before fe05e1cb6d64 fix.
This change can lead to the scenario 4.3 described in the commit,
where the waitpid call can hang undefinitely on the call. However
this is also a very unlikely and also undefinied situation where
both the caller is trying to terminate a pid before posix_spawn
returns and the race pid reuse is triggered. I don't see how to
correct handle this specific situation within posix_spawn.
Checked on x86_64-linux-gnu, aarch64-linux-gnu and
powerpc64-linux-gnu.
* sysdeps/unix/sysv/linux/spawni.c (__spawnix): Use 0 instead of
WNOHANG in waitpid call.
(cherry picked from commit aa95a2414e4f664ca740ad5f4a72d9145abbd426)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f8ee700e8959236bb2c54f3aacf57edca5dab186
commit f8ee700e8959236bb2c54f3aacf57edca5dab186
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu Oct 12 15:20:57 2017 -0300
posix: Fix improper assert in Linux posix_spawn (BZ#22273)
As noted by Florian Weimer, current Linux posix_spawn implementation
can trigger an assert if the auxiliary process is terminated before
actually setting the err member:
340 /* Child must set args.err to something non-negative - we rely on
341 the parent and child sharing VM. */
342 args.err = -1;
[...]
362 new_pid = CLONE (__spawni_child, STACK (stack, stack_size),
stack_size,
363 CLONE_VM | CLONE_VFORK | SIGCHLD, &args);
364
365 if (new_pid > 0)
366 {
367 ec = args.err;
368 assert (ec >= 0);
Another possible issue is killing the child between setting the err and
actually calling execve. In this case the process will not ran, but
posix_spawn also will not report any error:
269
270 args->err = 0;
271 args->exec (args->file, args->argv, args->envp);
As suggested by Andreas Schwab, this patch removes the faulty assert
and also handles any signal that happens before fork and execve as the
spawn was successful (and thus relaying the handling to the caller to
figure this out). Different than Florian, I can not see why using
atomics to set err would help here, essentially the code runs
sequentially (due CLONE_VFORK) and I think it would not be legal the
compiler evaluate ec without checking for new_pid result (thus there
is no need to compiler barrier).
Summarizing the possible scenarios on posix_spawn execution, we
have:
1. For default case with a success execution, args.err will be 0, pid
will not be collected and it will be reported to caller.
2. For default failure case, args.err will be positive and the it will
be collected by the waitpid. An error will be reported to the
caller.
3. For the unlikely case where the process was terminated and not
collected by a caller signal handler, it will be reported as succeful
execution and not be collected by posix_spawn (since args.err will
be 0). The caller will need to actually handle this case.
4. For the unlikely case where the process was terminated and collected
by caller we have 3 other possible scenarios:
4.1. The auxiliary process was terminated with args.err equal to 0:
it will handled as 1. (so it does not matter if we hit the pid
reuse race since we won't possible collect an unexpected
process).
4.2. The auxiliary process was terminated after execve (due a failure
in calling it) and before setting args.err to -1: it will also
be handle as 1. but with the issue of not be able to report the
caller a possible execve failures.
4.3. The auxiliary process was terminated after args.err is set to -1:
this is the case where it will be possible to hit the pid reuse
case where we will need to collected the auxiliary pid but we
can not be sure if it will be expected one. I think for this
case we need to actually change waitpid to use WNOHANG to avoid
hanging indefinitely on the call and report an error to caller
since we can't differentiate between a default failure as 2.
and a possible pid reuse race issue.
Checked on x86_64-linux-gnu.
* sysdeps/unix/sysv/linux/spawni.c (__spawnix): Handle the case where
the auxiliary process is terminated by a signal before calling _exit
or execve.
(cherry picked from commit fe05e1cb6d64dba6172249c79526f1e9af8f2bfd)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 101 ++++++++++++++++++++++
nptl/allocatestack.c | 2 +-
nptl/descr.h | 2 +-
nptl/nptl-init.c | 2 +-
nptl/pthreadP.h | 6 ++
nptl/pthread_create.c | 4 +-
nptl/pthread_mutex_init.c | 13 +++
sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/aarch64/nptl/pthread-offsets.h | 5 +
sysdeps/alpha/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/alpha/nptl/pthread-offsets.h | 5 +
sysdeps/arm/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/arm/nptl/pthread-offsets.h | 5 +
sysdeps/hppa/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/hppa/nptl/pthread-offsets.h | 5 +
sysdeps/i386/nptl/pthread-offsets.h | 5 +
sysdeps/ia64/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/ia64/nptl/pthread-offsets.h | 5 +
sysdeps/m68k/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/m68k/nptl/pthread-offsets.h | 5 +
sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/microblaze/nptl/pthread-offsets.h | 5 +
sysdeps/mips/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/mips/nptl/pthread-offsets.h | 13 +++
sysdeps/nios2/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/nios2/nptl/pthread-offsets.h | 5 +
sysdeps/nptl/bits/thread-shared-types.h | 32 ++++++-
sysdeps/nptl/fork.c | 2 +-
sysdeps/nptl/pthread.h | 2 +-
sysdeps/powerpc/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/powerpc/nptl/pthread-offsets.h | 15 +++
sysdeps/s390/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/s390/nptl/pthread-offsets.h | 15 +++
sysdeps/sh/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/sh/nptl/pthread-offsets.h | 5 +
sysdeps/sparc/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/sparc/nptl/pthread-offsets.h | 15 +++
sysdeps/tile/nptl/bits/pthreadtypes-arch.h | 2 +
sysdeps/tile/nptl/pthread-offsets.h | 15 +++
sysdeps/unix/sysv/linux/spawni.c | 24 ++++--
sysdeps/x86/nptl/bits/pthreadtypes-arch.h | 7 ++
sysdeps/x86_64/nptl/pthread-offsets.h | 5 +
42 files changed, 335 insertions(+), 18 deletions(-)
create mode 100644 sysdeps/aarch64/nptl/pthread-offsets.h
create mode 100644 sysdeps/alpha/nptl/pthread-offsets.h
create mode 100644 sysdeps/arm/nptl/pthread-offsets.h
create mode 100644 sysdeps/hppa/nptl/pthread-offsets.h
create mode 100644 sysdeps/i386/nptl/pthread-offsets.h
create mode 100644 sysdeps/ia64/nptl/pthread-offsets.h
create mode 100644 sysdeps/m68k/nptl/pthread-offsets.h
create mode 100644 sysdeps/microblaze/nptl/pthread-offsets.h
create mode 100644 sysdeps/mips/nptl/pthread-offsets.h
create mode 100644 sysdeps/nios2/nptl/pthread-offsets.h
create mode 100644 sysdeps/powerpc/nptl/pthread-offsets.h
create mode 100644 sysdeps/s390/nptl/pthread-offsets.h
create mode 100644 sysdeps/sh/nptl/pthread-offsets.h
create mode 100644 sysdeps/sparc/nptl/pthread-offsets.h
create mode 100644 sysdeps/tile/nptl/pthread-offsets.h
create mode 100644 sysdeps/x86_64/nptl/pthread-offsets.h
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22403] Slash needs escaping in some locales
Date: Tue, 07 Nov 2017 14:30:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22403
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
via 1bd0cbb8cf40f0fd250e0c5cf9bf575a37287a49 (commit)
via d8301314bca5cd46ff157958d367df41939eaf6b (commit)
from 06be6368da16104be51ebf23f7c68a51f321673f (commit)
Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1bd0cbb8cf40f0fd250e0c5cf9bf575a37287a49
commit 1bd0cbb8cf40f0fd250e0c5cf9bf575a37287a49
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Nov 7 14:24:51 2017 +0100
mfe_MU, miq_NI locales: Escape slashes in d_fmt [BZ #22403]
[BZ #22403]
* localedata/locales/mfe_MU (LC_TIME): Fix wrong d_fmt, / needs
to be escaped.
* localedata/locales/miq_NI (LC_TIME): Fix wrong d_fmt, / needs
to be escaped.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d8301314bca5cd46ff157958d367df41939eaf6b
commit d8301314bca5cd46ff157958d367df41939eaf6b
Author: Claude Paroz <claude@2xlibre.net>
Date: Mon Nov 6 14:14:28 2017 +0100
an_ES, kab_DZ, om_ET locales: Escape slashes in d_fmt [BZ #22403]
[BZ #22403]
* localedata/locales/an_ES (LC_TIME): Fix wrong d_fmt, / needs
to be escaped.
* localedata/locales/kab_DZ (LC_TIME): Fix wrong d_fmt, / needs
to be escaped.
* localedata/locales/om_ET (LC_TIME): Fix wrong d_fmt, / needs
to be escaped.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 ++++++++++++++++++
localedata/locales/an_ES | 2 +-
localedata/locales/kab_DZ | 2 +-
localedata/locales/mfe_MU | 2 +-
localedata/locales/miq_NI | 2 +-
localedata/locales/om_ET | 2 +-
6 files changed, 23 insertions(+), 5 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Tue, 07 Nov 2017 15:12:00 -0000
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Claude Paroz <claude at 2xlibre dot net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #10570|0 |1
is obsolete| |
--- Comment #17 from Claude Paroz <claude at 2xlibre dot net> ---
Created attachment 10577
--> https://sourceware.org/bugzilla/attachment.cgi?id=10577&action=edit
Complete patch
Here's the complete patch implementing these sequence replacements.
I'm open to split the patch in smaller chunks if it's easier to review.
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>From glibc-bugs-return-39748-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 07 16:57:07 2017
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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>From glibc-bugs-return-39749-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 07 22:54:19 2017
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
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>From glibc-bugs-return-39750-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 07 23:54:49 2017
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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--- Comment #18 from keld at keldix dot com <keld at keldix dot com> ---
Hi
I am not sure if I can write a very strong case against using ASCII in strings.
I hav no practical experience with problems, but I see a number of possible
conflicts. You could also say that because of the design used until now,
where all our locales have been character coding independent, we have
not seen any problems!
I am the editor of ISO 14652 and ISO 30112, and of the 100 pages annex in
the POSIX standard that originally introduced the codeset independent locales
for POSIX and thus Linux. 14652 and 30112 are the standards that define many
of the extensions from POSIX that we use in glibc for i18n and l10n.
From an architectual view I would really like that we keep glibc locales
character coding independent, so our locales can be used without change
on all systems that adheres to those standards.
But even if we restrict ourselves to only look at glibc implementations,
using coding dependent locales may cause problems. Not on everyday Linux
systems, were we mostly operate in UTF-8, and sometimes in other coded
character sets, but on other systems.
gcc and glibc is probably the most ported C compiler and C library in the
world.
Some of the platforms it has been ported to run in non-ascii compatible
environments, I think this includes
MS windows, which uses UTF-16, and which now includes an Ubuntu system
MAC OS/ IOS , which uses UTF16, and where gcc/glibc ports exists
EBCDIC machines, where gcc/glibc ports exist - they run many banking and
aviation systems
Embedded systems where many kinds of character sets are used.
Older systems in Eastern Asia, still using older Eastern Asia 14-bit
character sets.
I do see the need for better looking locales, They would be easer to write and
debug.
Thereofre I propose that we use the mnemonics defined in ISO 14652/ISO 30112 at
least
for the ASCII characters. These were also used in the original locales that I
wrote
and Ulrich Drepper used for his initial work for glibc. At some point Ulrich
decided
to use Uxxxx mnemonics, which made locales more unreadable. I do agree that
using Uxxxx
is a good solution for the characters that are not known to everybody, such as
Chinese,
Korean and Japanese characters. This gives a chance to everybody in the world
to
work on locales using these characters, which actually in our moderne world
means
all locales in the world, as we all may use full UTF-8 or the like.
best regards
Keld
On Fri, Nov 03, 2017 at 03:12:25AM +0000, carlos at redhat dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=22387
>
> Carlos O'Donell <carlos at redhat dot com> changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> CC| |carlos at redhat dot com
>
> --- Comment #8 from Carlos O'Donell <carlos at redhat dot com> ---
> (In reply to keld@keldix.com from comment #7)
> > I think we should not do this, as it would make locales unusable
> > with ebcdic encodings. I am also unsure how it will work with utf-16.
>
> Please provide a justification for this requirement to support EBCDIC and
> UTF-16, included systems that would be impacted today by this change.
>
> I spoke with Ulrich Drepper directly, and he did point out that the design idea
> behind using <Uxxxx> sequences was indeed to support the locales on systems
> that had other encodings like EBCDIC, but with the rise of UTF-8 as the defacto
> standard, no such systems have really materialized.
>
> > I propose you use better mnemonics for the ascii range, such as <a> for a,
> > etc. That is, use the mnemonics defined in the POSIX standard for the ascii
> > range.
>
> I disagree strongly with this, why use '<a>' instead of 'a'? Please provide
> strong rationale for why we should keep using the <Uxxxx> format.
>
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>From glibc-bugs-return-39751-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 06:10:37 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22396] x86-64: siglongjmp does not restore PKRU register
Date: Wed, 08 Nov 2017 06:10:00 -0000
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
I think HJ is freeing unused parts of jmpbuf, which we could use to store these
bits. Of course, it won't help if x86-64 gets many more access right bits.
So I think we need to change the kernel not to reset PKRU to the initial value
(which could either be all-access or no-access, depending on kernel
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>From glibc-bugs-return-39752-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 08:59:58 2017
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Subject: [Bug malloc/22408] New: mallinfo access top arena heap without arena lock
Date: Wed, 08 Nov 2017 08:59:00 -0000
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Bug ID: 22408
Summary: mallinfo access top arena heap without arena lock
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
Flags: security-
Downstream bug report from jcfinger@pobox.com:
Description of problem:
Race condition in malloc_info can result SIGSEGV.
How reproducible:
Be unlucky enough to free enough memory that an arena is released while a
different thread is doing malloc_info. Time it right and you lose.
Actual results:
SIGSEGV, core
Expected results:
accurate results back from malloc_info
Additional info:
>From looking at the code, the "mi_arena" function nested inside of malloc_info
calls 'mutex_unlock (&ar_ptr->mutex);' but then several lines down starts
looking in arenas again. My particular core file died on line
fprintf (fp,
"<aspace type=\"total\" size=\"%zu\"/>\n"
"<aspace type=\"mprotect\" size=\"%zu\"/>\n",
heap->size, heap->mprotect_size);
The *ar_ptr looked good. But *heap was not in accessible memory. "info file"
showed that the memory was no longer mapped. But 0x8000000 beyond its address
still existed.
I don't grok the malloc code, but it seems that maybe the mutex shouldn't have
been released yet.
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>From glibc-bugs-return-39753-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 09:48:44 2017
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Subject: [Bug network/22409] New: res_hnok does not accept some host names used on the Internet
Date: Wed, 08 Nov 2017 09:48:00 -0000
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Bug ID: 22409
Summary: res_hnok does not accept some host names used on the
Internet
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: network
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
www-.example.com and _www.example.com fail the res_hnok check because -/_ are
only accepted in the middle of labels. I don't think this is desirable, and we
have received bug reports that web sites become unreachable as a result of this
check.
This issue is slightly different from bug 12154 and needs to be fixed
separately.
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Florian Weimer <fweimer at redhat dot com> changed:
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See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1039304
Flags| |security-
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>From glibc-bugs-return-39754-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 09:48:44 2017
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Subject: [Bug network/12154] Cannot resolve hosts which have wildcard aliases
Date: Wed, 08 Nov 2017 09:49:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=22409
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>From glibc-bugs-return-39757-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 10:10:05 2017
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Subject: [Bug network/984] Respond to changed resolv.conf in gethostbyname
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |19566
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=19566
[Bug 19566] nscd needs to watch for file deletions using inotify
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>From glibc-bugs-return-39756-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 10:10:03 2017
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Subject: [Bug nscd/19566] nscd needs to watch for file deletions using inotify
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |984
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
The fix for bug 984 should paper over this issue.
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=984
[Bug 984] Respond to changed resolv.conf in gethostbyname
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>From glibc-bugs-return-39758-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 10:40:59 2017
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From: "dkg at fifthhorseman dot net" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug network/20826] Tests fail on hosts without network access
Date: Wed, 08 Nov 2017 10:40:00 -0000
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Daniel Kahn Gillmor <dkg at fifthhorseman dot net> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dkg at fifthhorseman dot net
--- Comment #3 from Daniel Kahn Gillmor <dkg at fifthhorseman dot net> ---
Could anyone from the glibc upstream team comment on this? the issue has been
open for a year now without feedback, and it would be good to get this
resolved.
We shouldn't need network access or a customized /etc/hosts to be able to build
glibc, right? What is the resolution preferred by upstream?
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>From glibc-bugs-return-39759-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 12:33:47 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/14979] Incorrect R_386_GLOB_DAT/R_386_JUMP_SLOT handling
Date: Wed, 08 Nov 2017 12:33:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
There seems to be another source of non-zero addends: external functions whose
address is taken in position-dependent code.
For example, this:
#include <stdio.h>
int
main()
{
printf ("%p\n", &putchar);
}
Results in:
Relocation section [ 9] '.rela.dyn' at offset 0x3b0 contains 2 entries:
Offset Type Value Addend Name
0x0000000000600ff0 X86_64_GLOB_DAT 000000000000000000 +0
__libc_start_main
0x0000000000600ff8 X86_64_GLOB_DAT 000000000000000000 +0 __gmon_start__
Relocation section [10] '.rela.plt' for section [22] '.got.plt' at offset 0x3e0
contains 2 entries:
Offset Type Value Addend Name
0x0000000000601018 X86_64_JUMP_SLOT 0x0000000000400440 +0 putchar
0x0000000000601020 X86_64_JUMP_SLOT 000000000000000000 +0 printf
(With a traditional toolchain without PIE or BIND_NOW.)
This does affect dlsym return values, it seems. With a relocation with a
non-zero addend, dlsym will return the address of putchar@plt in the main
program. With a zero addend, dlsym will return the address of the function in
libc.so.6 instead.
Is this documented anywhere?
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>From glibc-bugs-return-39760-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 13:25:44 2017
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From: "gabriel at inconstante dot eti.br" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22410] New: [powerpc64le] iseqsig (long double, _Float128) broken on powerpc64le
Date: Wed, 08 Nov 2017 13:25:00 -0000
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Bug ID: 22410
Summary: [powerpc64le] iseqsig (long double, _Float128) broken
on powerpc64le
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: gabriel at inconstante dot eti.br
CC: gabriel at inconstante dot eti.br
Target Milestone: ---
Target: powerpc64le-linux-gnu
The following test case gives the following error output when built with GCC 7
and GLIBC 2.26:
#define __STDC_WANT_IEC_60559_BFP_EXT__
#include <math.h>
int
main (void)
{
long double l = 1.0L;
_Float128 q = 2.0F128;
return iseqsig (l, q);
}
$ gcc -mfloat128 test.c -c
In file included from test.c:2:0:
test.c: In function ‘main’:
/tmp/glibc-2.26/usr/include/math.h:1148:39: error: __float128 and long double
cannot be used in the same expression
# define __MATH_EVAL_FMT2(x, y) ((x) + (y) + 0.0f)
^
/tmp/glibc-2.26/usr/include/math.h:508:17: note: in definition of macro
‘__MATH_TG’
_Generic ((TG_ARG), \
^~~~~~
/tmp/glibc-2.26/usr/include/math.h:1157:15: note: in expansion of macro
‘__MATH_EVAL_FMT2’
__MATH_TG (__MATH_EVAL_FMT2 (x, y), __iseqsig, ((x), (y)))
^~~~~~~~~~~~~~~~
test.c:10:10: note: in expansion of macro ‘iseqsig’
return iseqsig (l, q);
^~~~~~~
So, for a combination of long double and _Float128 as arguments to iseqsig
(hence to __MATH_EVAL_FMT2) the compiler for powerpc64le will throw this error
message.
Since the arguments to the comparison macros need not have the same type, it is
my understanding that the above use of iseqsig (in the test program) is valid.
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>From glibc-bugs-return-39761-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 14:29:08 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/14979] Incorrect R_386_GLOB_DAT/R_386_JUMP_SLOT handling
Date: Wed, 08 Nov 2017 14:29:00 -0000
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--- Comment #11 from Andreas Schwab <schwab@linux-m68k.org> ---
> Relocation section [ 9] '.rela.dyn' at offset 0x3b0 contains 2 entries:
> Offset Type Value Addend Name
> 0x0000000000600ff0 X86_64_GLOB_DAT 000000000000000000 +0
> __libc_start_main
> 0x0000000000600ff8 X86_64_GLOB_DAT 000000000000000000 +0
> __gmon_start__
>
> Relocation section [10] '.rela.plt' for section [22] '.got.plt' at offset
> 0x3e0 contains 2 entries:
> Offset Type Value Addend Name
> 0x0000000000601018 X86_64_JUMP_SLOT 0x0000000000400440 +0 putchar
> 0x0000000000601020 X86_64_JUMP_SLOT 000000000000000000 +0 printf
I don't see any non-zero addend here.
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>From glibc-bugs-return-39762-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 14:44:50 2017
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Subject: [Bug dynamic-link/14979] Incorrect R_386_GLOB_DAT/R_386_JUMP_SLOT handling
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--- Comment #12 from Florian Weimer <fweimer at redhat dot com> ---
Ah, good point. And the behavior difference I observed is probably caused by
.gnu.hash, and not the relocation processing in the loader.
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>From glibc-bugs-return-39763-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 08 16:35:31 2017
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug math/22410] [powerpc64le] iseqsig (long double, _Float128) broken on powerpc64le
Date: Wed, 08 Nov 2017 16:35:00 -0000
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--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
I'm doubtful that this is a bug in glibc rather than in TS 18661-3. Why
should iseqsig be valid when a comparison using == wouldn't be? Raised
with WG14: <http://www.open-std.org/jtc1/sc22/wg14/14885>.
(If this use of comparison macros should be invalid, it implies there's a
quality-of-implementation bug in GCC: such comparisons using e.g.
__builtin_isless should be diagnosed in cases where uses of the comparison
operators would be diagnosed.)
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Wed, 08 Nov 2017 20:00:00 -0000
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--- Comment #19 from keld at keldix dot com <keld at keldix dot com> ---
On Fri, Nov 03, 2017 at 03:12:25AM +0000, carlos at redhat dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=22387
>
> Carlos O'Donell <carlos at redhat dot com> changed:
>
> > I propose you use better mnemonics for the ascii range, such as <a> for a,
> > etc. That is, use the mnemonics defined in the POSIX standard for the ascii
> > range.
>
> I disagree strongly with this, why use '<a>' instead of 'a'? Please provide
> strong rationale for why we should keep using the <Uxxxx> format.
If you use <a> instead of 'a' then the compiled locale would have a
well-defined
content, when the source encoding and the target encoding differ. This is not
the case when just using 'a', giving wrong results.
I listed a number of scenarios where you would use different source and
target character encoding in my previous mail. This involves major OS'es
like OS X, Microsoft Windows, IOS and embedded systems.
Best regards
keld
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Subject: [Bug malloc/22408] mallinfo access heaps without arena lock, ignores heaps
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|mallinfo access top arena |mallinfo access heaps
|heap without arena lock |without arena lock, ignores
| |heaps
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>From glibc-bugs-return-39767-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 09 10:05:54 2017
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Subject: [Bug malloc/22408] malloc_info access heaps without arena lock, ignores heaps
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|mallinfo access heaps |malloc_info access heaps
|without arena lock, ignores |without arena lock, ignores
|heaps |heaps
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Note: malloc_info and mallinfo are separate functions.
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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--- Comment #20 from keld at keldix dot com <keld at keldix dot com> ---
On Fri, Nov 03, 2017 at 09:56:16AM +0000, egmont at gmail dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=22387
>
> --- Comment #11 from Egmont Koblinger <egmont at gmail dot com> ---
> I don't understand the EBCDIC worries at all.
>
> These locale definition files are in ASCII. If you interpret these same files
> in EBCDIC, section names and property names don't make any sense, and neither
> do encoded characters such as "<U0020>", I mean it's no longer
> less/greater-than, uppercase U and digits.
Yes all source files should be converted from Ascii to the ebcdic in question.
This is also the case on UTF-16 systems, the source files should be converted
from some sort of ascii compatible encoding to UTF-16. Or the other way - if
you
move sources from a non ascii-compatible system to an ascii-compatible system.
This process can be done automatically using eg iconv.
> Then, if you iconv the file, the resulting <U0020> and friends still define
> Unicode codepoints and not EBCDIC ones.
No they are not unicode (or UCS) codepoints. When you compile the locale into a
binary
format, then you apply an EBCDIC charmap, and the symbolic <uxxxx> character
names get
encoded according to the EBCDIC encoding applied by localedef -f option
question.
> So, in order to use these files in an EBCDIC environment, they need to be
> converted on two different levels.
No, only one level of conversion is needed and that can be fully automated.
> This does not become any harder or any more complicated by allowing plain ASCII
> characters.
Well, not so, if you operate in an environment with a source encoding different
from the ebcdic target encoding, and vice versa.
best regards
Keld
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Subject: [Bug network/22409] res_hnok does not accept some host names used on the Internet
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>From glibc-bugs-return-39771-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 09 11:27:12 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22409] res_hnok does not accept some host names used on the Internet
Date: Thu, 09 Nov 2017 11:27:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22409
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |22412
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=22412
[Bug 22412] res_dnok, res_hnok should perform syntax checks
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>From glibc-bugs-return-39770-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 09 11:27:10 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22412] New: res_dnok, res_hnok should perform syntax checks
Date: Thu, 09 Nov 2017 11:27:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22412
Bug ID: 22412
Summary: res_dnok, res_hnok should perform syntax checks
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: network
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Blocks: 22409
Target Milestone: ---
Currently, the name checking functions only check against character sets. They
should try to parse the name as a domain name and verify that they are
syntactically valid names, following \ escaping rules and label/name length
limits.
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=22409
[Bug 22409] res_hnok does not accept some host names used on the Internet
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>From glibc-bugs-return-39773-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 09 11:52:50 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22413] New: ns_name_pton ignores syntactically invalid trailing backslash
Date: Thu, 09 Nov 2017 11:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22413
Bug ID: 22413
Summary: ns_name_pton ignores syntactically invalid trailing
backslash
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: network
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
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Flags: security-
This should fail:
char buf[NS_MAXDNAME];
ns_name_pton ("abc\\", buf, sizeof (buf));
But ns_name_pton currently returns success.
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>From glibc-bugs-return-39774-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 09 11:55:17 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22413] ns_name_pton ignores syntactically invalid trailing backslash
Date: Thu, 09 Nov 2017 11:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22413
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
ns_name_pton also accepts the empty string "" and treats as ".". We may have
to preserve that for backwards compatibility.
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>From glibc-bugs-return-39775-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 09 13:08:51 2017
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From: "superlikex at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22414] New: getaddrinfo() get wrong return value of gaih_inet() when system recovers from the exhaustion of the file descriptor
Date: Thu, 09 Nov 2017 13:08:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22414
Bug ID: 22414
Summary: getaddrinfo() get wrong return value of gaih_inet()
when system recovers from the exhaustion of the file
descriptor
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: network
Assignee: unassigned at sourceware dot org
Reporter: superlikex at gmail dot com
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getaddrinfo () returns a wrong value if the system file descriptor runs out.
But getaddrinfo () still returns the wrong value when the system is back to
normal.
By looking at the code, the value of h_errno is not updated when the system is
back to normal.
I found a mailing list with similar questions:
https://sourceware.org/ml/libc-alpha/2016-07/msg00341.html.
and a patch has been attached in this mailing list
But I tried this patch, it did not work.
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>From glibc-bugs-return-39776-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 09 16:31:27 2017
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Thu, 09 Nov 2017 16:31:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22387
--- Comment #21 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
On Thu, 9 Nov 2017, keld at keldix dot com wrote:
> Yes all source files should be converted from Ascii to the ebcdic in question.
> This is also the case on UTF-16 systems, the source files should be converted
> from some sort of ascii compatible encoding to UTF-16. Or the other way - if
> you
> move sources from a non ascii-compatible system to an ascii-compatible system.
>
> This process can be done automatically using eg iconv.
No, it can't be done automatically, without having information somewhere
about which character set each source file is in (it's entirely possible
some, e.g. those representing expected output of testcases, are in mixed
character sets - and in any case represent particular sequences of octets
that must be preserved because they are to be compared against test output
in particular locales).
glibc does not make any attempt to support locales that are not more or
less ASCII compatible, and does not make any attempt to support 16-bit
bytes (which are not supported by POSIX either) which would be needed for
UTF-16 to be a valid locale encoding. We should not pretend that it does,
any more than we should pretend it supports non-ELF object formats.
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>From glibc-bugs-return-39777-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 09 17:51:38 2017
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From: "pekarekdaniel at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/22415] New: setvbuf can lead to invalid free/segfault
Date: Thu, 09 Nov 2017 17:51:00 -0000
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Bug ID: 22415
Summary: setvbuf can lead to invalid free/segfault
Product: glibc
Version: 2.26
Status: UNCONFIRMED
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Priority: P2
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Assignee: unassigned at sourceware dot org
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In some cases IO functions incorrectly free the buffer passed to setvbuf.
Steps to reproduce:
#include <stdio.h>
char buf[BUFSIZ];
int main(void)
{
FILE* f = tmpfile(); // alternatively: fopen("tmp", "w+b")
setvbuf(f, buf, _IOFBF, BUFSIZ);
ungetc('x', f);
fseek(f, 0L, SEEK_SET);
fputc('1', f); // this calls free(buf)
fclose(f);
return 0;
}
Result:
*** Error in `./setvbuf': free(): invalid pointer: 0x000055d102391080 ***
[1] 27592 abort (core dumped) ./setvbuf
valgrind output:
==22318== Invalid free() / delete / delete[] / realloc()
==22318== at 0x4C2E14B: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==22318== by 0x4EB434B: _IO_free_backup_area (in /usr/lib/libc-2.26.so)
==22318== by 0x4EB397E: _IO_file_overflow@@GLIBC_2.2.5 (in
/usr/lib/libc-2.26.so)
==22318== by 0x10881F: main (setvbuf.c:11)
==22318== Address 0x309080 is 0 bytes inside data symbol "buf"
If the buffer is allocated with malloc, it also crashes:
==22713== Invalid write of size 1
==22713== at 0x4EB3805: _IO_file_overflow@@GLIBC_2.2.5 (in
/usr/lib/libc-2.26.so)
==22713== by 0x10886A: main (setvbuf.c:11)
==22713== Address 0x51f0040 is 0 bytes inside a block of size 8,192 free'd
==22713== at 0x4C2E14B: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==22713== by 0x4EB434B: _IO_free_backup_area (in /usr/lib/libc-2.26.so)
==22713== by 0x4EB397E: _IO_file_overflow@@GLIBC_2.2.5 (in
/usr/lib/libc-2.26.so)
==22713== by 0x10886A: main (setvbuf.c:11)
==22713== Block was alloc'd at
==22713== at 0x4C2CE5F: malloc (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==22713== by 0x10880B: main (setvbuf.c:6)
==22713==
==22713== Syscall param write(buf) points to unaddressable byte(s)
==22713== at 0x4F208D4: write (in /usr/lib/libc-2.26.so)
==22713== by 0x4EB22CC: _IO_file_write@@GLIBC_2.2.5 (in
/usr/lib/libc-2.26.so)
==22713== by 0x4EB15AE: new_do_write (in /usr/lib/libc-2.26.so)
==22713== by 0x4EB34C8: _IO_do_write@@GLIBC_2.2.5 (in /usr/lib/libc-2.26.so)
==22713== by 0x4EB2CDF: _IO_file_close_it@@GLIBC_2.2.5 (in
/usr/lib/libc-2.26.so)
==22713== by 0x4EA5E7E: fclose@@GLIBC_2.2.5 (in /usr/lib/libc-2.26.so)
==22713== by 0x108876: main (setvbuf.c:12)
==22713== Address 0x51f0040 is 0 bytes inside a block of size 8,192 free'd
==22713== at 0x4C2E14B: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==22713== by 0x4EB434B: _IO_free_backup_area (in /usr/lib/libc-2.26.so)
==22713== by 0x4EB397E: _IO_file_overflow@@GLIBC_2.2.5 (in
/usr/lib/libc-2.26.so)
==22713== by 0x10886A: main (setvbuf.c:11)
==22713== Block was alloc'd at
==22713== at 0x4C2CE5F: malloc (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==22713== by 0x10880B: main (setvbuf.c:6)
If the buf argument of setvbuf is NULL, the result is the same as if malloc was
used.
It looks like this problem only occurs if the file was opened in "w+b" mode.
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>From glibc-bugs-return-39778-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 09 20:21:50 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22414] getaddrinfo() get wrong return value of gaih_inet() when system recovers from the exhaustion of the file descriptor
Date: Thu, 09 Nov 2017 20:21:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
Can you describe at which point the file descriptors run out? We know of one
such issue, see bug 22041.
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>From glibc-bugs-return-39779-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 09 20:22:33 2017
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Subject: [Bug malloc/22405] Audit tcache code for potential integer overflows
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>From glibc-bugs-return-39780-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 09 22:43:25 2017
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From: "dave at sr71 dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22396] x86-64: siglongjmp does not restore PKRU register
Date: Thu, 09 Nov 2017 22:43:00 -0000
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Dave Hansen <dave at sr71 dot net> changed:
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--- Comment #4 from Dave Hansen <dave at sr71 dot net> ---
It should also be noted that this issue also applies to MPX which has a lot
more state than protection keys. (BNDSTATUS (8) + BNDCFGU (8) +
BNDREGS0-3(4*16)). The ABI for BNDREGS probably saves us here at least partly
because it's pretty arguable that the registers are clobber at siglongjmp. But
BNDCFGU which turns the feature on/off is a problem.
Back to PK... The manpage (http://man7.org/linux/man-pages/man7/pkeys.7.html)
could use some additional clarity here, but it does mention the signal
behavior, and also says:
The rights of any interrupted context are
restored when the signal handler returns.
We could clarify that we truly mean sys_sigreturn() and that other mechanisms
don't count as "returning".
The kernel _could_ detect when someone unblocks signals from inside a signal
handler, but without doing a sys_sigreturn(). We could theoretically take some
action there. Does that do us any good?
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>From glibc-bugs-return-39781-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 10 13:04:40 2017
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Subject: [Bug network/22413] ns_name_pton ignores syntactically invalid trailing backslash
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>From glibc-bugs-return-39782-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 10 16:50:28 2017
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From: "pponnuvel at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/21552] XPG4 bsd_signal namespace
Date: Fri, 10 Nov 2017 16:50:00 -0000
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PP <pponnuvel at gmail dot com> changed:
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--- Comment #4 from PP <pponnuvel at gmail dot com> ---
Request a clarification about how to get bsd_signal's prototype in glibc 2.26.
Man page of bsd_signal says:
> bsd_signal():
> Since glibc 2.26:
> _XOPEN_SOURCE >= 500
> && ! (_POSIX_C_SOURCE >= 200112L)
> Glibc 2.25 and earlier:
> _XOPEN_SOURCE
Defining those two macros as such works. But when I define _GNU_SOURCE
additionally, it doesn't work. The following demonstrates the problem:
```
$ cat x.c
#include <signal.h>
int main(void)
{
bsd_signal(0, 0);
}
$ gcc -D_XOPEN_SOURCE=500 -D_POSIX_C_SOURCE=199506L -std=gnu99 x.c
$ gcc -D_XOPEN_SOURCE=500 -D_POSIX_C_SOURCE=199506L -std=gnu99 -D_GNU_SOURCE
x.c
x.c: In function ‘main’:
x.c:4:5: warning: implicit declaration of function ‘bsd_signal’; did you mean
‘ssignal’? [-Wimplicit-function-declaration]
bsd_signal(0, 0);
^~~~~~~~~~
ssignal
```
As seen above, defining `_GNU_SOURCE` makes bsd_signal unavailable. Is this
expected?
Compiling using gcc 7.2.0/glibc 2.26 (Ubuntu 17.10).
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>From glibc-bugs-return-39783-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 10 17:56:50 2017
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/21552] XPG4 bsd_signal namespace
Date: Fri, 10 Nov 2017 17:56:00 -0000
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--- Comment #5 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
If you believe there is a bug you should file a new bug rather than
commenting on a closed one. If you have a question rather than wishing to
report a bug, please ask the libc-help mailing list.
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>From glibc-bugs-return-39784-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 10 18:12:19 2017
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From: "pponnuvel at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/21552] XPG4 bsd_signal namespace
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--- Comment #6 from PP <pponnuvel at gmail dot com> ---
I am not quite sure if this is a bug. I thought asking clarification where the
change was done would notify the relevant people. I'll use the other channels
as suggested then. Thanks.
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>From glibc-bugs-return-39785-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 10 22:16:46 2017
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From: "bauerman at linux dot vnet.ibm.com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22396] x86-64: siglongjmp does not restore PKRU register
Date: Fri, 10 Nov 2017 22:16:00 -0000
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Thiago Jung Bauermann <bauerman at linux dot vnet.ibm.com> changed:
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--- Comment #5 from Thiago Jung Bauermann <bauerman at linux dot vnet.ibm.com> ---
Also, the signal(7) man page mentions that "a signal handler function must
be very careful", and provides a white list of functions which it can safely
call. Calling an unsafe function causes undefined behavior. Neither longjmp()
nor siglongjmp() are in the white list.
Given the above, is it reasonable for a program to call {sig,}longjmp() from a
signal handler and expect it to work?
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Subject: [Bug network/22413] ns_name_pton ignores syntactically invalid trailing backslash
Date: Sat, 11 Nov 2017 10:44:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9e0ad3049dbae88d615bfb038e53bf365a39a634
commit 9e0ad3049dbae88d615bfb038e53bf365a39a634
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Nov 11 11:41:45 2017 +0100
resolv: ns_name_pton should report trailing \ as error [BZ #22413]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
resolv/ns_name.c | 5 +++++
resolv/tst-ns_name_pton.c | 7 +++++++
3 files changed, 18 insertions(+), 0 deletions(-)
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Subject: [Bug network/22413] ns_name_pton ignores syntactically invalid trailing backslash
Date: Sat, 11 Nov 2017 10:45:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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Subject: [Bug network/22412] res_dnok, res_hnok should perform syntax checks
Date: Sat, 11 Nov 2017 10:59:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c0a25aa92b612786f4e45292c4aee1d7d47123f8
commit c0a25aa92b612786f4e45292c4aee1d7d47123f8
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Nov 11 11:51:08 2017 +0100
resolv: More precise checks in res_hnok, res_dnok [BZ #22409] [BZ #22412]
res_hnok rejected some host names used on the Internet, such as
www-.example.com. res_hnok and res_dnok failed to perform basic syntax
checking on DNS domain names.
Also fix res_mailok, res_ownok.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 ++++
NEWS | 3 +
resolv/res_comp.c | 208 +++++++++++++++++++++++++++---------------------
resolv/tst-res_hnok.c | 28 +++++--
4 files changed, 157 insertions(+), 97 deletions(-)
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Subject: [Bug network/22409] res_hnok does not accept some host names used on the Internet
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c0a25aa92b612786f4e45292c4aee1d7d47123f8
commit c0a25aa92b612786f4e45292c4aee1d7d47123f8
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Nov 11 11:51:08 2017 +0100
resolv: More precise checks in res_hnok, res_dnok [BZ #22409] [BZ #22412]
res_hnok rejected some host names used on the Internet, such as
www-.example.com. res_hnok and res_dnok failed to perform basic syntax
checking on DNS domain names.
Also fix res_mailok, res_ownok.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 ++++
NEWS | 3 +
resolv/res_comp.c | 208 +++++++++++++++++++++++++++---------------------
resolv/tst-res_hnok.c | 28 +++++--
4 files changed, 157 insertions(+), 97 deletions(-)
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Subject: [Bug network/22412] res_dnok, res_hnok should perform syntax checks
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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Subject: [Bug network/22409] res_hnok does not accept some host names used on the Internet
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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Subject: [Bug network/22409] res_hnok does not accept some host names used on the Internet
Date: Sat, 11 Nov 2017 11:00:00 -0000
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Bug 22409 depends on bug 22412, which changed state.
Bug 22412 Summary: res_dnok, res_hnok should perform syntax checks
https://sourceware.org/bugzilla/show_bug.cgi?id=22412
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
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To: glibc-bugs@sourceware.org
Subject: [Bug network/22414] getaddrinfo() get wrong return value of gaih_inet() when system recovers from the exhaustion of the file descriptor
Date: Sat, 11 Nov 2017 11:56:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
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Status|UNCONFIRMED |WAITING
Last reconfirmed| |2017-11-11
Ever confirmed|0 |1
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>From glibc-bugs-return-39794-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Nov 11 12:02:06 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22396] x86-64: siglongjmp does not restore PKRU register
Date: Sat, 11 Nov 2017 12:02:00 -0000
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--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Thiago Jung Bauermann from comment #5)
> Also, the signal(7) man page mentions that "a signal handler function
> must be very careful", and provides a white list of functions which it can
> safely call. Calling an unsafe function causes undefined behavior. Neither
> longjmp() nor siglongjmp() are in the white list.
>
> Given the above, is it reasonable for a program to call {sig,}longjmp() from
> a signal handler and expect it to work?
Yes, the most stringent restrictions only apply to asynchronous signals.
Synchronous signals, such as SIGFPE due to integer division by zero, SIGBUS due
to access to the truncated part of a file mapping, or SIGSEGV due to a null
pointer dereference are delivered synchronously to the thread in question. The
same can be true for signals sent explicitly. In these cases, we must support
calling siglongjmp from a signal handler because it is an idiom which is often
employed by non-C language runtimes.
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>From glibc-bugs-return-39795-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Nov 11 12:10:03 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22396] x86-64: siglongjmp does not restore PKRU register
Date: Sat, 11 Nov 2017 12:10:00 -0000
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--- Comment #7 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Dave Hansen from comment #4)
> Back to PK... The manpage
> (http://man7.org/linux/man-pages/man7/pkeys.7.html) could use some
> additional clarity here, but it does mention the signal behavior, and also
> says:
>
> The rights of any interrupted context are
> restored when the signal handler returns.
>
> We could clarify that we truly mean sys_sigreturn() and that other
> mechanisms don't count as "returning".
>
> The kernel _could_ detect when someone unblocks signals from inside a signal
> handler, but without doing a sys_sigreturn(). We could theoretically take
> some action there. Does that do us any good?
Maybe we are approaching this from the wrong angle. The main problem I see are
pages which are read in many places, but are read-only most of the time. Here,
the delivery of a signal and a return through siglongjmp would revoke read
access as well (with the kernel defaults). If we could tell the kernel at
pkey_alloc time that the access rights specified are the initial access rights
for signal handlers (overriding the system default), then the issue would quite
benign because the signal handle restores the access rights to their current
values, which is essentially a NOP. Only for regions which enhance their
privileges using a temporary PKRU update, this would make a difference, but
they would also have to have a sigsetjmp landing site, so they are obviously
aware of the complexities.
For the larger problem, maybe we should add interface which merge the jmpbuf
context with the signal handler context before returning to the sigsetjmp site.
This will at least help new programs.
But I think for MPK, the pkey_alloc flag would be sufficient for glibc's own
needs.
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>From glibc-bugs-return-39796-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Nov 11 12:19:50 2017
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22396] x86-64: siglongjmp does not restore PKRU register
Date: Sat, 11 Nov 2017 12:19:00 -0000
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--- Comment #8 from Andreas Schwab <schwab@linux-m68k.org> ---
It's not a matter of async vs sync signals, only the property of the
interrupted function matters:
"Although longjmp() is an async-signal-safe function, if it is invoked from a
signal handler which interrupted a non-async-signal-safe function or equivalent
(such as the processing equivalent to exit() performed after a return from the
initial call to main()), the behavior of any subsequent call to a
non-async-signal-safe function or equivalent is undefined."
Thus a handler for a synchronously-generated signal that interrupted a
non-async-signal-safe function has the same restrictions.
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>From glibc-bugs-return-39797-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Nov 11 14:24:37 2017
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/20952] yuw_PG: new locale
Date: Sat, 11 Nov 2017 14:24:00 -0000
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CC| |digitalfreak@lingonborough.
| |com
--- Comment #8 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Is this correct that Saturday in yuw_PG is "söndanggie" and the abbreviated
form (Sat) is "sab"? This does not look consistent to me.
Also another questionable abbreviation is "sogipbono" -> "soi" (Thursday). Why
not "sog"? But at least the abbreviation is made of the letters actually
present in the full form so looks acceptable to me if the native speakers want
this.
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>From glibc-bugs-return-39798-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Nov 11 16:45:39 2017
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Subject: [Bug admin/22422] New: jey
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mr.git
Mr.Git
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>From glibc-bugs-return-39799-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Nov 12 11:04:56 2017
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Subject: [Bug network/18117] add uint64_t accessors to in6_addr union
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--- Comment #2 from Shawn Landden <shawnlandden at gmail dot com> ---
this changes the ABI as it changes the alignment
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>From glibc-bugs-return-39800-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sun Nov 12 17:55:33 2017
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Subject: [Bug admin/22422] jey
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--- Comment #1 from Frédéric Buclin <LpSolit at netscape dot net> ---
The content of attachment 10582 has been deleted for the following reason:
Looks like evil code
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>From glibc-bugs-return-39801-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 13 00:52:38 2017
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From: "gniibe at fsij dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug regex/22425] New: Escape by \ with REG_ICASE
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Bug ID: 22425
Summary: Escape by \ with REG_ICASE
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Test program to show regcomp bug
With REG_ICASE, escape by \ (backslash) doesn't work well.
Regexp of \x\y\z is expected to match string of xyz with REG_ICASE.
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>From glibc-bugs-return-39802-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 13 08:34:56 2017
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug regex/22425] Escape by \ with REG_ICASE
Date: Mon, 13 Nov 2017 08:34:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Unknown backslash escapes invoke undefined behaviour.
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>From glibc-bugs-return-39803-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 13 13:03:04 2017
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From: "claude at 2xlibre dot net" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22403] Slash needs escaping in some locales
Date: Mon, 13 Nov 2017 13:03:00 -0000
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--- Comment #2 from Claude Paroz <claude at 2xlibre dot net> ---
Should we close this issue?
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>From glibc-bugs-return-39804-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 13 13:10:51 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/20826] posix/tst-getaddrinfo5 fails on hosts without network access
Date: Mon, 13 Nov 2017 13:10:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2017-11-13
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Summary|Tests fail on hosts without |posix/tst-getaddrinfo5
|network access |fails on hosts without
| |network access
Ever confirmed|0 |1
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>From glibc-bugs-return-39805-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 13 13:22:49 2017
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Subject: [Bug network/20826] posix/tst-getaddrinfo5 fails on hosts without network access
Date: Mon, 13 Nov 2017 13:22:00 -0000
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--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
I posted a different patch:
https://sourceware.org/ml/libc-alpha/2017-11/msg00395.html
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>From glibc-bugs-return-39806-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 13 19:23:47 2017
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From: "juro.bystricky at intel dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/22432] New: Non-deterministic build
Date: Mon, 13 Nov 2017 19:23:00 -0000
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Bug ID: 22432
Summary: Non-deterministic build
Product: glibc
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Building various libraries can be non-deterministic because they may be be
built with two different versions of intl/plural.c. in two separate builds.
We may or may not regenerate the file from thefile plural.y, based on
modification times of those two files, as the Makefile contains:
plural.c: plural.y
$(BISON) $(BISONFLAGS) $@ $^
GIT does not preserve modification times of files on checkout, so I don't see
how the above rule can work reliably (deterministically).
The libraries (with or without the above rule firing) will build correctly, so
we may not notice they differ until we try to binary compare them.
(Please see
http://git.yoctoproject.org/cgit/cgit.cgi/poky-contrib/commit/?h=jurob/reproducible_binaries_4&id=936494cf34f003860352472bcdc43ec21433d27c)
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>From glibc-bugs-return-39807-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 13 19:57:40 2017
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Subject: [Bug build/22432] Non-deterministic build
Date: Mon, 13 Nov 2017 19:57:00 -0000
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--- Comment #1 from Dmitry V. Levin <ldv at sourceware dot org> ---
(In reply to Juro Bystricky from comment #0)
> GIT does not preserve modification times of files on checkout, so I don't
> see how the above rule can work reliably (deterministically).
Consider running the git-set-file-times script
(https://git.samba.org/?p=rsync.git;a=blob_plain;f=support/git-set-file-times)
to set each file's last-modified time based on its last commit.
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>From glibc-bugs-return-39808-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 13 20:22:54 2017
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From: "juro.bystricky at intel dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/22432] Non-deterministic build
Date: Mon, 13 Nov 2017 20:22:00 -0000
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--- Comment #2 from Juro Bystricky <juro.bystricky at intel dot com> ---
(In reply to Dmitry V. Levin from comment #1)
> (In reply to Juro Bystricky from comment #0)
> > GIT does not preserve modification times of files on checkout, so I don't
> > see how the above rule can work reliably (deterministically).
>
> Consider running the git-set-file-times script
> (https://git.samba.org/?p=rsync.git;a=blob_plain;f=support/git-set-file-
> times)
> to set each file's last-modified time based on its last commit.
Wouldn't it make more sense to remove the rule entirely? Once you are aware of
the problem, it is easy to avoid it even without the script. However, I think
most people are not aware of the issue and will not use the script (by default)
when building glibc. So IMHO this should be either fixed (i.e. remove the rule
entirely) or at least mentioned somewhere in README.
I can send in a patch if needed.
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>From glibc-bugs-return-39809-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 13 21:19:56 2017
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From: "mark at chromium dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22433] New: linux x86/x86_64 <sys/ptrace.h> does not provide PTRACE_GET_THREAD_AREA (and more)
Date: Mon, 13 Nov 2017 21:19:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22433
Bug ID: 22433
Summary: linux x86/x86_64 <sys/ptrace.h> does not provide
PTRACE_GET_THREAD_AREA (and more)
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: mark at chromium dot org
CC: drepper.fsp at gmail dot com
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PTRACE_GET_THREAD_AREA is missing from <sys/ptrace.h> on x86 and x86_64 Linux.
It’s provided by the kernel’s <asm/ptrace-abi.h>, and in turn by
<linux/ptrace.h>, but these are incompatible with glibc’s <sys/ptrace.h>.
<asm/ptrace-abi.h> offers:
#define PTRACE_GET_THREAD_AREA 25
Others missing (strictly Linux x86/x86_64-specific):
#define PTRACE_SET_THREAD_AREA 26
#ifdef __x86_64__
# define PTRACE_ARCH_PRCTL 30
#endif
#define PTRACE_SYSEMU 31
#define PTRACE_SYSEMU_SINGLESTEP 32
#define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch
*/
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>From glibc-bugs-return-39810-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 13 23:22:06 2017
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Subject: [Bug build/22432] Non-deterministic build
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--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
Well, the rule is required to regenerate plural.c if it's out of date (for
example, the copyright date update process involves updating *source*
files and then running a build so checked-in generated files get updated
accordingly.
You could make a proposal to add a requirement for Bison as a build tool
for building glibc, in which case the checked-in plural.c could be
removed.
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Tue, 14 Nov 2017 08:11:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22387
--- Comment #22 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a259f5d388d6195da958b2d147d17c2e2d16b857
commit a259f5d388d6195da958b2d147d17c2e2d16b857
Author: Claude Paroz <claude@2xlibre.net>
Date: Thu Nov 2 15:10:42 2017 +0100
Replaced unicode sequences in the ASCII printable range
[BZ #22387]
* localedata/locales/aa_DJ: Improved readibility by replacing
<Uxxxx> sequences in the ASCII printable range by their ASCII
character equivalents.
* localedata/locales/aa_ER: Likewise.
* localedata/locales/aa_ER@saaho: Likewise.
* localedata/locales/aa_ET: Likewise.
* localedata/locales/af_ZA: Likewise.
* localedata/locales/agr_PE: Likewise.
* localedata/locales/ak_GH: Likewise.
* localedata/locales/am_ET: Likewise.
* localedata/locales/anp_IN: Likewise.
* localedata/locales/ar_AE: Likewise.
* localedata/locales/ar_BH: Likewise.
* localedata/locales/ar_DZ: Likewise.
* localedata/locales/ar_EG: Likewise.
* localedata/locales/ar_IN: Likewise.
* localedata/locales/ar_IQ: Likewise.
* localedata/locales/ar_JO: Likewise.
* localedata/locales/ar_KW: Likewise.
* localedata/locales/ar_LB: Likewise.
* localedata/locales/ar_LY: Likewise.
* localedata/locales/ar_MA: Likewise.
* localedata/locales/ar_OM: Likewise.
* localedata/locales/ar_QA: Likewise.
* localedata/locales/ar_SA: Likewise.
* localedata/locales/ar_SD: Likewise.
* localedata/locales/ar_SS: Likewise.
* localedata/locales/ar_SY: Likewise.
* localedata/locales/ar_TN: Likewise.
* localedata/locales/ar_YE: Likewise.
* localedata/locales/as_IN: Likewise.
* localedata/locales/ast_ES: Likewise.
* localedata/locales/ayc_PE: Likewise.
* localedata/locales/az_AZ: Likewise.
* localedata/locales/az_IR: Likewise.
* localedata/locales/be_BY: Likewise.
* localedata/locales/be_BY@latin: Likewise.
* localedata/locales/bem_ZM: Likewise.
* localedata/locales/ber_DZ: Likewise.
* localedata/locales/ber_MA: Likewise.
* localedata/locales/bg_BG: Likewise.
* localedata/locales/bhb_IN: Likewise.
* localedata/locales/bho_IN: Likewise.
* localedata/locales/bi_VU: Likewise.
* localedata/locales/bn_BD: Likewise.
* localedata/locales/bn_IN: Likewise.
* localedata/locales/bo_CN: Likewise.
* localedata/locales/bo_IN: Likewise.
* localedata/locales/br_FR: Likewise.
* localedata/locales/brx_IN: Likewise.
* localedata/locales/bs_BA: Likewise.
* localedata/locales/byn_ER: Likewise.
* localedata/locales/ca_AD: Likewise.
* localedata/locales/ca_ES: Likewise.
* localedata/locales/ca_FR: Likewise.
* localedata/locales/ca_IT: Likewise.
* localedata/locales/ce_RU: Likewise.
* localedata/locales/chr_US: Likewise.
* localedata/locales/cmn_TW: Likewise.
* localedata/locales/crh_UA: Likewise.
* localedata/locales/cs_CZ: Likewise.
* localedata/locales/csb_PL: Likewise.
* localedata/locales/cv_RU: Likewise.
* localedata/locales/cy_GB: Likewise.
* localedata/locales/da_DK: Likewise.
* localedata/locales/de_AT: Likewise.
* localedata/locales/de_BE: Likewise.
* localedata/locales/de_CH: Likewise.
* localedata/locales/de_DE: Likewise.
* localedata/locales/de_IT: Likewise.
* localedata/locales/de_LI: Likewise.
* localedata/locales/de_LU: Likewise.
* localedata/locales/doi_IN: Likewise.
* localedata/locales/dv_MV: Likewise.
* localedata/locales/dz_BT: Likewise.
* localedata/locales/el_CY: Likewise.
* localedata/locales/el_GR: Likewise.
* localedata/locales/en_AG: Likewise.
* localedata/locales/en_AU: Likewise.
* localedata/locales/en_BW: Likewise.
* localedata/locales/en_CA: Likewise.
* localedata/locales/en_DK: Likewise.
* localedata/locales/en_GB: Likewise.
* localedata/locales/en_HK: Likewise.
* localedata/locales/en_IE: Likewise.
* localedata/locales/en_IL: Likewise.
* localedata/locales/en_IN: Likewise.
* localedata/locales/en_NG: Likewise.
* localedata/locales/en_NZ: Likewise.
* localedata/locales/en_PH: Likewise.
* localedata/locales/en_SG: Likewise.
* localedata/locales/en_US: Likewise.
* localedata/locales/en_ZA: Likewise.
* localedata/locales/en_ZM: Likewise.
* localedata/locales/en_ZW: Likewise.
* localedata/locales/eo: Likewise.
* localedata/locales/es_AR: Likewise.
* localedata/locales/es_BO: Likewise.
* localedata/locales/es_CL: Likewise.
* localedata/locales/es_CO: Likewise.
* localedata/locales/es_CR: Likewise.
* localedata/locales/es_CU: Likewise.
* localedata/locales/es_DO: Likewise.
* localedata/locales/es_EC: Likewise.
* localedata/locales/es_ES: Likewise.
* localedata/locales/es_GT: Likewise.
* localedata/locales/es_HN: Likewise.
* localedata/locales/es_MX: Likewise.
* localedata/locales/es_NI: Likewise.
* localedata/locales/es_PA: Likewise.
* localedata/locales/es_PE: Likewise.
* localedata/locales/es_PR: Likewise.
* localedata/locales/es_PY: Likewise.
* localedata/locales/es_SV: Likewise.
* localedata/locales/es_US: Likewise.
* localedata/locales/es_UY: Likewise.
* localedata/locales/es_VE: Likewise.
* localedata/locales/et_EE: Likewise.
* localedata/locales/eu_ES: Likewise.
* localedata/locales/eu_ES@euro: Likewise.
* localedata/locales/fa_IR: Likewise.
* localedata/locales/ff_SN: Likewise.
* localedata/locales/fi_FI: Likewise.
* localedata/locales/fil_PH: Likewise.
* localedata/locales/fo_FO: Likewise.
* localedata/locales/fr_BE: Likewise.
* localedata/locales/fr_CA: Likewise.
* localedata/locales/fr_CH: Likewise.
* localedata/locales/fr_FR: Likewise.
* localedata/locales/fr_LU: Likewise.
* localedata/locales/fur_IT: Likewise.
* localedata/locales/fy_DE: Likewise.
* localedata/locales/fy_NL: Likewise.
* localedata/locales/ga_IE: Likewise.
* localedata/locales/gd_GB: Likewise.
* localedata/locales/gez_ER: Likewise.
* localedata/locales/gez_ET: Likewise.
* localedata/locales/gl_ES: Likewise.
* localedata/locales/gu_IN: Likewise.
* localedata/locales/gv_GB: Likewise.
* localedata/locales/ha_NG: Likewise.
* localedata/locales/hak_TW: Likewise.
* localedata/locales/he_IL: Likewise.
* localedata/locales/hi_IN: Likewise.
* localedata/locales/hif_FJ: Likewise.
* localedata/locales/hne_IN: Likewise.
* localedata/locales/hr_HR: Likewise.
* localedata/locales/hsb_DE: Likewise.
* localedata/locales/ht_HT: Likewise.
* localedata/locales/hu_HU: Likewise.
* localedata/locales/hy_AM: Likewise.
* localedata/locales/i18n: Likewise.
* localedata/locales/ia_FR: Likewise.
* localedata/locales/id_ID: Likewise.
* localedata/locales/ig_NG: Likewise.
* localedata/locales/ik_CA: Likewise.
* localedata/locales/is_IS: Likewise.
* localedata/locales/it_CH: Likewise.
* localedata/locales/it_IT: Likewise.
* localedata/locales/iu_CA: Likewise.
* localedata/locales/ja_JP: Likewise.
* localedata/locales/ka_GE: Likewise.
* localedata/locales/kk_KZ: Likewise.
* localedata/locales/kl_GL: Likewise.
* localedata/locales/kn_IN: Likewise.
* localedata/locales/ko_KR: Likewise.
* localedata/locales/kok_IN: Likewise.
* localedata/locales/ks_IN: Likewise.
* localedata/locales/ks_IN@devanagari: Likewise.
* localedata/locales/ku_TR: Likewise.
* localedata/locales/kw_GB: Likewise.
* localedata/locales/ky_KG: Likewise.
* localedata/locales/lb_LU: Likewise.
* localedata/locales/lg_UG: Likewise.
* localedata/locales/li_BE: Likewise.
* localedata/locales/li_NL: Likewise.
* localedata/locales/lij_IT: Likewise.
* localedata/locales/ln_CD: Likewise.
* localedata/locales/lo_LA: Likewise.
* localedata/locales/lt_LT: Likewise.
* localedata/locales/lv_LV: Likewise.
* localedata/locales/lzh_TW: Likewise.
* localedata/locales/mag_IN: Likewise.
* localedata/locales/mai_IN: Likewise.
* localedata/locales/mg_MG: Likewise.
* localedata/locales/mhr_RU: Likewise.
* localedata/locales/mi_NZ: Likewise.
* localedata/locales/mk_MK: Likewise.
* localedata/locales/ml_IN: Likewise.
* localedata/locales/mn_MN: Likewise.
* localedata/locales/mni_IN: Likewise.
* localedata/locales/mr_IN: Likewise.
* localedata/locales/ms_MY: Likewise.
* localedata/locales/mt_MT: Likewise.
* localedata/locales/my_MM: Likewise.
* localedata/locales/nan_TW: Likewise.
* localedata/locales/nan_TW@latin: Likewise.
* localedata/locales/nb_NO: Likewise.
* localedata/locales/nds_DE: Likewise.
* localedata/locales/nds_NL: Likewise.
* localedata/locales/ne_NP: Likewise.
* localedata/locales/nhn_MX: Likewise.
* localedata/locales/niu_NU: Likewise.
* localedata/locales/niu_NZ: Likewise.
* localedata/locales/nl_AW: Likewise.
* localedata/locales/nl_BE: Likewise.
* localedata/locales/nl_NL: Likewise.
* localedata/locales/nn_NO: Likewise.
* localedata/locales/nr_ZA: Likewise.
* localedata/locales/nso_ZA: Likewise.
* localedata/locales/oc_FR: Likewise.
* localedata/locales/om_ET: Likewise.
* localedata/locales/om_KE: Likewise.
* localedata/locales/or_IN: Likewise.
* localedata/locales/os_RU: Likewise.
* localedata/locales/pa_IN: Likewise.
* localedata/locales/pa_PK: Likewise.
* localedata/locales/pap_AW: Likewise.
* localedata/locales/pap_CW: Likewise.
* localedata/locales/pl_PL: Likewise.
* localedata/locales/ps_AF: Likewise.
* localedata/locales/pt_BR: Likewise.
* localedata/locales/pt_PT: Likewise.
* localedata/locales/quz_PE: Likewise.
* localedata/locales/raj_IN: Likewise.
* localedata/locales/ro_RO: Likewise.
* localedata/locales/ru_RU: Likewise.
* localedata/locales/ru_UA: Likewise.
* localedata/locales/rw_RW: Likewise.
* localedata/locales/sa_IN: Likewise.
* localedata/locales/sat_IN: Likewise.
* localedata/locales/sc_IT: Likewise.
* localedata/locales/sd_IN: Likewise.
* localedata/locales/sd_IN@devanagari: Likewise.
* localedata/locales/se_NO: Likewise.
* localedata/locales/sgs_LT: Likewise.
* localedata/locales/shs_CA: Likewise.
* localedata/locales/si_LK: Likewise.
* localedata/locales/sid_ET: Likewise.
* localedata/locales/sk_SK: Likewise.
* localedata/locales/sl_SI: Likewise.
* localedata/locales/sm_WS: Likewise.
* localedata/locales/so_DJ: Likewise.
* localedata/locales/so_ET: Likewise.
* localedata/locales/so_KE: Likewise.
* localedata/locales/so_SO: Likewise.
* localedata/locales/sq_AL: Likewise.
* localedata/locales/sq_MK: Likewise.
* localedata/locales/sr_ME: Likewise.
* localedata/locales/sr_RS: Likewise.
* localedata/locales/sr_RS@latin: Likewise.
* localedata/locales/ss_ZA: Likewise.
* localedata/locales/st_ZA: Likewise.
* localedata/locales/sv_FI: Likewise.
* localedata/locales/sv_SE: Likewise.
* localedata/locales/sw_KE: Likewise.
* localedata/locales/sw_TZ: Likewise.
* localedata/locales/szl_PL: Likewise.
* localedata/locales/ta_IN: Likewise.
* localedata/locales/ta_LK: Likewise.
* localedata/locales/tcy_IN: Likewise.
* localedata/locales/te_IN: Likewise.
* localedata/locales/tg_TJ: Likewise.
* localedata/locales/th_TH: Likewise.
* localedata/locales/the_NP: Likewise.
* localedata/locales/ti_ER: Likewise.
* localedata/locales/ti_ET: Likewise.
* localedata/locales/tig_ER: Likewise.
* localedata/locales/tk_TM: Likewise.
* localedata/locales/tl_PH: Likewise.
* localedata/locales/tn_ZA: Likewise.
* localedata/locales/to_TO: Likewise.
* localedata/locales/tpi_PG: Likewise.
* localedata/locales/tr_CY: Likewise.
* localedata/locales/tr_TR: Likewise.
* localedata/locales/ts_ZA: Likewise.
* localedata/locales/tt_RU: Likewise.
* localedata/locales/tt_RU@iqtelif: Likewise.
* localedata/locales/ug_CN: Likewise.
* localedata/locales/uk_UA: Likewise.
* localedata/locales/unm_US: Likewise.
* localedata/locales/ur_IN: Likewise.
* localedata/locales/ur_PK: Likewise.
* localedata/locales/uz_UZ: Likewise.
* localedata/locales/uz_UZ@cyrillic: Likewise.
* localedata/locales/ve_ZA: Likewise.
* localedata/locales/vi_VN: Likewise.
* localedata/locales/wa_BE: Likewise.
* localedata/locales/wae_CH: Likewise.
* localedata/locales/wal_ET: Likewise.
* localedata/locales/wo_SN: Likewise.
* localedata/locales/xh_ZA: Likewise.
* localedata/locales/yi_US: Likewise.
* localedata/locales/yo_NG: Likewise.
* localedata/locales/yue_HK: Likewise.
* localedata/locales/yuw_PG: Likewise.
* localedata/locales/zh_CN: Likewise.
* localedata/locales/zh_HK: Likewise.
* localedata/locales/zh_SG: Likewise.
* localedata/locales/zh_TW: Likewise.
* localedata/locales/zu_ZA: Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 305 +++++++++++++++++++++++++++++++++++
localedata/locales/aa_DJ | 136 ++++++----------
localedata/locales/aa_ER | 129 ++++++---------
localedata/locales/aa_ER@saaho | 104 +++++-------
localedata/locales/aa_ET | 130 ++++++---------
localedata/locales/af_ZA | 113 +++++--------
localedata/locales/agr_PE | 113 ++++++--------
localedata/locales/ak_GH | 152 +++++++-----------
localedata/locales/am_ET | 50 ++----
localedata/locales/anp_IN | 35 ++---
localedata/locales/ar_AE | 71 ++++-----
localedata/locales/ar_BH | 68 +++-----
localedata/locales/ar_DZ | 68 +++-----
localedata/locales/ar_EG | 68 +++-----
localedata/locales/ar_IN | 39 ++---
localedata/locales/ar_IQ | 84 ++++------
localedata/locales/ar_JO | 84 ++++------
localedata/locales/ar_KW | 69 +++-----
localedata/locales/ar_LB | 84 ++++------
localedata/locales/ar_LY | 69 +++-----
localedata/locales/ar_MA | 68 +++-----
localedata/locales/ar_OM | 67 +++-----
localedata/locales/ar_QA | 69 +++-----
localedata/locales/ar_SA | 59 +++-----
localedata/locales/ar_SD | 71 +++-----
localedata/locales/ar_SS | 70 +++-----
localedata/locales/ar_SY | 85 ++++------
localedata/locales/ar_TN | 69 +++-----
localedata/locales/ar_YE | 68 +++-----
localedata/locales/as_IN | 36 ++---
localedata/locales/ast_ES | 85 +++++------
localedata/locales/ayc_PE | 113 ++++++-------
localedata/locales/az_AZ | 114 ++++++-------
localedata/locales/az_IR | 39 +----
localedata/locales/be_BY | 49 +++----
localedata/locales/be_BY@latin | 116 ++++++-------
localedata/locales/bem_ZM | 150 +++++++-----------
localedata/locales/ber_DZ | 129 +++++++--------
localedata/locales/ber_MA | 129 +++++++--------
localedata/locales/bg_BG | 58 +++----
localedata/locales/bhb_IN | 114 ++++++--------
localedata/locales/bho_IN | 34 ++---
localedata/locales/bi_VU | 158 ++++++++-----------
localedata/locales/bn_BD | 50 +++----
localedata/locales/bn_IN | 35 ++---
localedata/locales/bo_CN | 18 +--
localedata/locales/bo_IN | 19 +--
localedata/locales/br_FR | 93 +++++------
localedata/locales/brx_IN | 47 ++----
localedata/locales/bs_BA | 105 ++++++-------
localedata/locales/byn_ER | 52 +++----
localedata/locales/ca_AD | 34 ++---
localedata/locales/ca_ES | 101 +++++-------
localedata/locales/ca_FR | 26 +--
localedata/locales/ca_IT | 26 +--
localedata/locales/ce_RU | 61 +++-----
localedata/locales/chr_US | 28 ++--
localedata/locales/cmn_TW | 90 ++++------
localedata/locales/crh_UA | 129 +++++++--------
localedata/locales/cs_CZ | 190 +++++++++++-----------
localedata/locales/csb_PL | 60 ++++----
localedata/locales/cv_RU | 113 ++++++-------
localedata/locales/cy_GB | 91 +++++------
localedata/locales/da_DK | 119 ++++++--------
localedata/locales/de_AT | 98 +++++------
localedata/locales/de_BE | 94 +++++------
localedata/locales/de_CH | 104 ++++++-------
localedata/locales/de_DE | 140 +++++++---------
localedata/locales/de_IT | 82 +++++-----
localedata/locales/de_LI | 31 ++--
localedata/locales/de_LU | 106 ++++++-------
localedata/locales/doi_IN | 43 ++----
localedata/locales/dv_MV | 51 +++----
localedata/locales/dz_BT | 69 ++++-----
localedata/locales/el_CY | 46 ++----
localedata/locales/el_GR | 60 +++-----
localedata/locales/en_AG | 112 ++++++-------
localedata/locales/en_AU | 117 ++++++--------
localedata/locales/en_BW | 46 ++----
localedata/locales/en_CA | 116 ++++++--------
localedata/locales/en_DK | 105 ++++++-------
localedata/locales/en_GB | 117 ++++++--------
localedata/locales/en_HK | 99 +++++-------
localedata/locales/en_IE | 106 ++++++-------
localedata/locales/en_IL | 85 +++++------
localedata/locales/en_IN | 85 +++++------
localedata/locales/en_NG | 129 ++++++---------
localedata/locales/en_NZ | 117 ++++++--------
localedata/locales/en_PH | 101 +++++-------
localedata/locales/en_SG | 104 ++++++-------
localedata/locales/en_US | 133 +++++++---------
localedata/locales/en_ZA | 161 +++++++------------
localedata/locales/en_ZM | 101 +++++-------
localedata/locales/en_ZW | 47 ++----
localedata/locales/eo | 107 ++++++-------
localedata/locales/es_AR | 116 ++++++-------
localedata/locales/es_BO | 112 ++++++-------
localedata/locales/es_CL | 112 ++++++-------
localedata/locales/es_CO | 117 ++++++--------
localedata/locales/es_CR | 131 +++++++--------
localedata/locales/es_CU | 109 ++++++-------
localedata/locales/es_DO | 116 ++++++-------
localedata/locales/es_EC | 112 ++++++-------
localedata/locales/es_ES | 114 ++++++-------
localedata/locales/es_GT | 116 ++++++-------
localedata/locales/es_HN | 115 ++++++-------
localedata/locales/es_MX | 115 ++++++-------
localedata/locales/es_NI | 122 +++++++--------
localedata/locales/es_PA | 116 ++++++-------
localedata/locales/es_PE | 118 ++++++--------
localedata/locales/es_PR | 116 ++++++-------
localedata/locales/es_PY | 112 ++++++-------
localedata/locales/es_SV | 116 ++++++-------
localedata/locales/es_US | 113 ++++++-------
localedata/locales/es_UY | 112 ++++++-------
localedata/locales/es_VE | 118 ++++++--------
localedata/locales/et_EE | 107 ++++++-------
localedata/locales/eu_ES | 109 ++++++-------
localedata/locales/eu_ES@euro | 8 +-
localedata/locales/fa_IR | 67 +++------
localedata/locales/ff_SN | 178 ++++++++-------------
localedata/locales/fi_FI | 123 +++++++--------
localedata/locales/fil_PH | 114 ++++++--------
localedata/locales/fo_FO | 98 +++++------
localedata/locales/fr_BE | 110 ++++++-------
localedata/locales/fr_CA | 99 +++++-------
localedata/locales/fr_CH | 99 +++++-------
localedata/locales/fr_FR | 123 ++++++--------
localedata/locales/fr_LU | 107 ++++++-------
localedata/locales/fur_IT | 82 ++++------
localedata/locales/fy_DE | 90 +++++------
localedata/locales/fy_NL | 102 +++++-------
localedata/locales/ga_IE | 114 ++++++-------
localedata/locales/gd_GB | 109 +++++--------
localedata/locales/gez_ER | 37 ++---
localedata/locales/gez_ET | 36 ++---
localedata/locales/gl_ES | 112 ++++++-------
localedata/locales/gu_IN | 38 ++---
localedata/locales/gv_GB | 129 +++++++--------
localedata/locales/ha_NG | 103 +++++-------
localedata/locales/hak_TW | 90 ++++------
localedata/locales/he_IL | 60 +++----
localedata/locales/hi_IN | 48 ++----
localedata/locales/hif_FJ | 129 +++++++--------
localedata/locales/hne_IN | 32 ++---
localedata/locales/hr_HR | 105 ++++++-------
localedata/locales/hsb_DE | 97 +++++------
localedata/locales/ht_HT | 144 +++++++----------
localedata/locales/hu_HU | 116 ++++++--------
localedata/locales/hy_AM | 48 +++---
localedata/locales/i18n | 51 +++----
localedata/locales/ia_FR | 93 +++++------
localedata/locales/id_ID | 115 ++++++-------
localedata/locales/ig_NG | 98 +++++------
localedata/locales/ik_CA | 92 +++++------
localedata/locales/is_IS | 116 ++++++-------
localedata/locales/it_CH | 109 ++++++-------
localedata/locales/it_IT | 115 ++++++--------
localedata/locales/iu_CA | 34 ++---
localedata/locales/ja_JP | 108 ++++++-------
localedata/locales/ka_GE | 40 ++---
localedata/locales/kk_KZ | 53 +++----
localedata/locales/kl_GL | 100 +++++-------
localedata/locales/kn_IN | 46 ++----
localedata/locales/ko_KR | 91 +++++------
localedata/locales/kok_IN | 39 ++---
localedata/locales/ks_IN | 36 ++---
localedata/locales/ks_IN@devanagari | 45 ++----
localedata/locales/ku_TR | 107 ++++++-------
localedata/locales/kw_GB | 113 ++++++-------
localedata/locales/ky_KG | 57 +++----
localedata/locales/lb_LU | 146 ++++++++---------
localedata/locales/lg_UG | 133 +++++++---------
localedata/locales/li_BE | 24 ++--
localedata/locales/li_NL | 88 +++++------
localedata/locales/lij_IT | 99 +++++-------
localedata/locales/ln_CD | 140 +++++++---------
localedata/locales/lo_LA | 105 ++++++-------
localedata/locales/lt_LT | 110 ++++++-------
localedata/locales/lv_LV | 108 ++++++-------
localedata/locales/lzh_TW | 89 ++++------
localedata/locales/mag_IN | 43 ++----
localedata/locales/mai_IN | 32 ++---
localedata/locales/mg_MG | 129 ++++++---------
localedata/locales/mhr_RU | 36 ++---
localedata/locales/mi_NZ | 89 +++++------
localedata/locales/mk_MK | 58 +++----
localedata/locales/ml_IN | 35 ++---
localedata/locales/mn_MN | 237 +++++++++++++--------------
localedata/locales/mni_IN | 38 ++---
localedata/locales/mr_IN | 50 ++----
localedata/locales/ms_MY | 103 ++++++-------
localedata/locales/mt_MT | 129 +++++++---------
localedata/locales/my_MM | 55 +++----
localedata/locales/nan_TW | 90 ++++------
localedata/locales/nan_TW@latin | 119 ++++++--------
localedata/locales/nb_NO | 119 ++++++--------
localedata/locales/nds_DE | 84 +++++-----
localedata/locales/nds_NL | 82 +++++-----
localedata/locales/ne_NP | 53 +++----
localedata/locales/nhn_MX | 90 +++++------
localedata/locales/niu_NU | 126 +++++++--------
localedata/locales/niu_NZ | 18 +--
localedata/locales/nl_AW | 104 ++++++-------
localedata/locales/nl_BE | 89 +++++------
localedata/locales/nl_NL | 107 ++++++-------
localedata/locales/nn_NO | 110 ++++++--------
localedata/locales/nr_ZA | 123 ++++++--------
localedata/locales/nso_ZA | 108 ++++++-------
localedata/locales/oc_FR | 82 +++++-----
localedata/locales/om_ET | 39 ++---
localedata/locales/om_KE | 81 +++++-----
localedata/locales/or_IN | 54 +++----
localedata/locales/os_RU | 29 ++---
localedata/locales/pa_IN | 46 ++----
localedata/locales/pa_PK | 30 ++---
localedata/locales/pap_AW | 103 ++++++-------
localedata/locales/pap_CW | 101 ++++++-------
localedata/locales/pl_PL | 109 ++++++-------
localedata/locales/ps_AF | 72 ++++-----
localedata/locales/pt_BR | 114 ++++++-------
localedata/locales/pt_PT | 119 +++++++--------
localedata/locales/quz_PE | 118 ++++++--------
localedata/locales/raj_IN | 19 +--
localedata/locales/ro_RO | 134 +++++++---------
localedata/locales/ru_RU | 43 ++---
localedata/locales/ru_UA | 49 +++----
localedata/locales/rw_RW | 111 ++++++-------
localedata/locales/sa_IN | 66 +++-----
localedata/locales/sat_IN | 39 ++---
localedata/locales/sc_IT | 93 +++++------
localedata/locales/sd_IN | 38 ++---
localedata/locales/sd_IN@devanagari | 50 ++----
localedata/locales/se_NO | 121 +++++++--------
localedata/locales/sgs_LT | 87 +++++------
localedata/locales/shs_CA | 105 ++++++-------
localedata/locales/si_LK | 61 +++----
localedata/locales/sid_ET | 125 +++++++--------
localedata/locales/sk_SK | 132 +++++++--------
localedata/locales/sl_SI | 108 ++++++-------
localedata/locales/sm_WS | 151 +++++++----------
localedata/locales/so_DJ | 79 ++++-----
localedata/locales/so_ET | 118 ++++++--------
localedata/locales/so_KE | 118 ++++++--------
localedata/locales/so_SO | 157 +++++++++----------
localedata/locales/sq_AL | 131 +++++++---------
localedata/locales/sq_MK | 36 ++---
localedata/locales/sr_ME | 56 +++----
localedata/locales/sr_RS | 66 +++-----
localedata/locales/sr_RS@latin | 121 +++++++--------
localedata/locales/ss_ZA | 122 ++++++--------
localedata/locales/st_ZA | 123 ++++++--------
localedata/locales/sv_FI | 98 +++++------
localedata/locales/sv_SE | 110 ++++++-------
localedata/locales/sw_KE | 145 ++++++-----------
localedata/locales/sw_TZ | 142 +++++++----------
localedata/locales/szl_PL | 91 +++++------
localedata/locales/ta_IN | 47 +++---
localedata/locales/ta_LK | 26 ++--
localedata/locales/tcy_IN | 32 ++---
localedata/locales/te_IN | 49 ++----
localedata/locales/tg_TJ | 46 ++----
localedata/locales/th_TH | 108 ++++++-------
localedata/locales/the_NP | 45 ++----
localedata/locales/ti_ER | 70 ++++-----
localedata/locales/ti_ET | 75 ++++-----
localedata/locales/tig_ER | 48 +++----
localedata/locales/tk_TM | 123 +++++++--------
localedata/locales/tl_PH | 98 +++++------
localedata/locales/tn_ZA | 121 ++++++---------
localedata/locales/to_TO | 145 +++++++----------
localedata/locales/tpi_PG | 6 +-
localedata/locales/tr_CY | 29 ++---
localedata/locales/tr_TR | 133 +++++++---------
localedata/locales/ts_ZA | 118 ++++++--------
localedata/locales/tt_RU | 29 ++--
localedata/locales/tt_RU@iqtelif | 130 +++++++--------
localedata/locales/ug_CN | 31 ++---
localedata/locales/uk_UA | 92 ++++++------
localedata/locales/unm_US | 105 ++++++-------
localedata/locales/ur_IN | 39 ++---
localedata/locales/ur_PK | 50 +++----
localedata/locales/uz_UZ | 112 ++++++-------
localedata/locales/uz_UZ@cyrillic | 46 +++---
localedata/locales/ve_ZA | 108 ++++++-------
localedata/locales/vi_VN | 133 +++++++---------
localedata/locales/wa_BE | 96 +++++------
localedata/locales/wae_CH | 131 +++++++--------
localedata/locales/wal_ET | 44 ++----
localedata/locales/wo_SN | 121 ++++++--------
localedata/locales/xh_ZA | 123 ++++++--------
localedata/locales/yi_US | 50 +++----
localedata/locales/yo_NG | 113 ++++++-------
localedata/locales/yue_HK | 57 +++----
localedata/locales/yuw_PG | 2 +-
localedata/locales/zh_CN | 66 ++++-----
localedata/locales/zh_HK | 65 ++++----
localedata/locales/zh_SG | 50 +++---
localedata/locales/zh_TW | 88 ++++-------
localedata/locales/zu_ZA | 124 +++++++--------
300 files changed, 11664 insertions(+), 15069 deletions(-)
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>From glibc-bugs-return-39812-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 14 08:14:08 2017
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Tue, 14 Nov 2017 08:13:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
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--- Comment #23 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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>From glibc-bugs-return-39813-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 14 08:17:21 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Tue, 14 Nov 2017 08:17:00 -0000
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--- Comment #24 from Claude Paroz <claude at 2xlibre dot net> ---
Awesome, thanks Mike for the commit!
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>From glibc-bugs-return-39814-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 14 10:11:38 2017
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Subject: [Bug localedata/22403] Slash needs escaping in some locales
Date: Tue, 14 Nov 2017 10:11:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
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Target Milestone|--- |2.27
--- Comment #3 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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>From glibc-bugs-return-39815-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 14 13:02:47 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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--- Comment #25 from keld at keldix dot com <keld at keldix dot com> ---
This commit is highly problematic, damaging the portablilty of glibc locales.
I wish they will be reverted.
Best regards
keld
On Tue, Nov 14, 2017 at 08:15:04AM +0000, claude at 2xlibre dot net wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=22387
>
> --- Comment #24 from Claude Paroz <claude at 2xlibre dot net> ---
> Awesome, thanks Mike for the commit!
>
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>From glibc-bugs-return-39816-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 14 13:07:17 2017
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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--- Comment #26 from keld at keldix dot com <keld at keldix dot com> ---
Is there a script to convert these ascii values to <uxxxx> strings?
I would need it for the ISO 30112 standard, as I do not want to publish
non-portable code in the ISO standard.
best regards
Keld
On Tue, Nov 14, 2017 at 01:02:38PM +0000, keld at keldix dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=22387
>
> --- Comment #25 from keld at keldix dot com <keld at keldix dot com> ---
> This commit is highly problematic, damaging the portablilty of glibc locales.
> I wish they will be reverted.
>
> Best regards
> keld
>
> On Tue, Nov 14, 2017 at 08:15:04AM +0000, claude at 2xlibre dot net wrote:
> > https://sourceware.org/bugzilla/show_bug.cgi?id=22387
> >
> > --- Comment #24 from Claude Paroz <claude at 2xlibre dot net> ---
> > Awesome, thanks Mike for the commit!
> >
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From: "egmont at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Tue, 14 Nov 2017 13:19:00 -0000
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--- Comment #27 from Egmont Koblinger <egmont at gmail dot com> ---
(In reply to keld@keldix.com from comment #25)
> This commit is highly problematic, damaging the portablilty of glibc locales.
If this kind of portability is really a concern, someone could some up with a
script that converts from the new version to the old one. It could even be
integrated with the build system to the level where these generated files are
actually placed under BUILD and then further processed.
I wish the current change even pushed it further, towards raw UTF-8 at least
for printable and "non-problematic" (to some vague, arbitrary definition)
characters.
I have on a few occasions made some minor edits to effected parts of a locale
file, dealing with the <Uxxxx> notation was a nightmare. Working with a string
like "h<U00E9>tf<U0151>" is already much better than
"<U0068><U00E9><U0074><U0066><U0151>", but seeing "hétfő" would be ideal.
Source code is meant to be human-readable, which all these <Uxxxx>s is most
certainly not.
There's a reason people write code like
printf("Hello world!\n");
and not
printf("\x48\x65\x6c\x6c\x6f\x20\x77\x6f\x72\x6c\x64\x21\x0a");
If for whatever reason the latter, hard-to-read (and hard-to-write) form is
required, it should be auto-generated from the former, easy-to-read (and
easy-to-write) one.
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>From glibc-bugs-return-39818-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 14 14:56:43 2017
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From: "juro.bystricky at intel dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/22432] Non-deterministic build
Date: Tue, 14 Nov 2017 14:56:00 -0000
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--- Comment #4 from Juro Bystricky <juro.bystricky at intel dot com> ---
(In reply to joseph@codesourcery.com from comment #3)
> Well, the rule is required to regenerate plural.c if it's out of date (for
> example, the copyright date update process involves updating *source*
> files and then running a build so checked-in generated files get updated
> accordingly.
>
> You could make a proposal to add a requirement for Bison as a build tool
> for building glibc, in which case the checked-in plural.c could be
> removed.
I like the idea. I will propose a fix along those lines.
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>From glibc-bugs-return-39819-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 14 15:07:09 2017
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Subject: [Bug malloc/22439] New: malloc_info should compute summary statistics for all sub-heaps in an arena
Date: Tue, 14 Nov 2017 15:07:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22439
Bug ID: 22439
Summary: malloc_info should compute summary statistics for all
sub-heaps in an arena
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
Flags: security-
The current code only looks at the top-most heap:
if (ar_ptr != &main_arena)
{
heap_info *heap = heap_for_ptr (top (ar_ptr));
fprintf (fp,
"<aspace type=\"total\" size=\"%zu\"/>\n"
"<aspace type=\"mprotect\" size=\"%zu\"/>\n",
heap->size, heap->mprotect_size);
total_aspace += heap->size;
total_aspace_mprotect += heap->mprotect_size;
}
Instead it should compute the some of heap->size and heap->mprotect_size, each
over all the heaps. It may also make sense to add another item with the number
of sub-heaps.
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Subject: [Bug malloc/22439] malloc_info should compute summary statistics for all sub-heaps in an arena
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>From glibc-bugs-return-39821-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 14 18:13:23 2017
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From: "sourceware-bugzilla@michael-kaufmann.ch" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/20018] inet_addr and inet_aton should reject trailing garbage
Date: Tue, 14 Nov 2017 18:13:00 -0000
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| |-kaufmann.ch
--- Comment #5 from Michael Kaufmann <sourceware-bugzilla@michael-kaufmann.ch> ---
Maybe it's "good enough" to just fix getaddrinfo() and leave alone the "legacy"
functions inet_addr() and inet_aton() ?
Portable applications should not break, because there are implementations of
getaddrinfo() which reject "127.0.0.1 www.example.com", e.g. the getaddrinfo()
implementation of OpenBSD.
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Subject: [Bug nptl/21513] pthread_cleanup_push macro generates warning when -Wclobbered is set
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See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=61118
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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Yas <fix4fun7 at gmail dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #2 from Yas <fix4fun7 at gmail dot com> ---
Created attachment 10590
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malloc_info: access heap while holding arena lock
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Subject: [Bug malloc/22408] malloc_info access heaps without arena lock, ignores heaps
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--- Comment #3 from Yas <fix4fun7 at gmail dot com> ---
Comment on attachment 10590
--> https://sourceware.org/bugzilla/attachment.cgi?id=10590
malloc_info: access heap while holding arena lock
Thanks Florian for reporting the issue. Do you have a test-case to reproduce
the issue consistently? If so, can you please share it.
Have hit the same issue, but don't have consistent steps to reproduce it. As a
fix, What if heap_for_ptr() is accessed while still holding lock (to solve the
race condition) and store that information locally?
Could not test the fix as I don't have a test-case to reproduce the issue.
Patch is attached for reference.
Thanks
Yas
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Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
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--- Comment #28 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to keld@keldix.com from comment #25)
> This commit is highly problematic, damaging the portablilty of glibc locales.
> I wish they will be reverted.
The glibc community is a consensus driven community. If you have an objection,
please raise that objection on libc-alpha, and include the relevant parties to
discuss the issue. Consensus discussions should not be held on the bug tracker.
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Subject: [Bug math/21660] GCC fails to compile a formula with tgmath.h
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=be3a79a3cc8d8111811a52b0fe243b6f4dd03844
commit be3a79a3cc8d8111811a52b0fe243b6f4dd03844
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Nov 15 02:08:56 2017 +0000
Use __builtin_tgmath in tgmath.h with GCC 8 (bug 21660).
GCC mainline now supports __builtin_tgmath to allow <tgmath.h> macro
implementations that expand their arguments only once, so avoiding
exponential blowup in the size of macro expansions when calls to those
macros are nested in arguments to those macros.
This patch makes glibc's tgmath.h support using __builtin_tgmath, as a
much simpler and more efficient alternative to the existing
implementation. (As a side effect, the new feature would make it much
more practical to support decimal floating point in <tgmath.h> with
new compilers; currently, libdfp does not provide a <tgmath.h>
implementation, and making decimal arguments cause integer arguments
to be considered of type _Decimal64 instead of double would have been
very problematic in the old implementation.)
Tested for x86_64 (with GCC mainline).
[BZ #21660]
* math/tgmath.h (__HAVE_BUILTIN_TGMATH): New macro.
[__HAVE_BUILTIN_TGMATH] (__TG_F16_ARG): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TG_F32_ARG): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TG_F64_ARG): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TG_F128_ARG): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TG_F32X_ARG): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TG_F64X_ARG): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TG_F128X_ARG): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_FUNCS): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_RCFUNCS): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_1): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_2): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_2STD): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_3): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_1C): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_2C): Likewise.
(__tgml): Make conditional on [!__HAVE_BUILTIN_TGMATH].
(__floating_type): Likewise.
(__real_integer_type): Likewise.
(__complex_integer_type): Likewise.
(__expr_is_real): Likewise.
(__tgmath_real_type_sub): Likewise.
(__tgmath_real_type): Likewise.
(__tgmath_complex_type_sub): Likewise.
(__tgmath_complex_type): Likewise.
(__TGMATH_F128): Likewise.
(__TGMATH_CF128): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_UNARY_REAL_ONLY): Define using
new macros.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_UNARY_REAL_RET_ONLY): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_BINARY_FIRST_REAL_ONLY):
Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_BINARY_FIRST_REAL_STD_ONLY):
Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_BINARY_REAL_ONLY): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_BINARY_REAL_STD_ONLY): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_BINARY_REAL_RET_ONLY): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_TERNARY_FIRST_SECOND_REAL_ONLY):
Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_TERNARY_REAL_ONLY): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_TERNARY_FIRST_REAL_RET_ONLY):
Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_UNARY_REAL_IMAG): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_UNARY_IMAG): Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_UNARY_REAL_IMAG_RET_REAL):
Likewise.
[__HAVE_BUILTIN_TGMATH] (__TGMATH_BINARY_REAL_IMAG): Likewise.
(__TGMATH_UNARY_REAL_IMAG_RET_REAL_SAME): New macro.
(carg): Use __TGMATH_UNARY_REAL_IMAG_RET_REAL_SAME.
(cimag): Likewise.
(creal): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 55 +++++++++++++++
math/tgmath.h | 204 +++++++++++++++++++++++++++++++++++++++++----------------
2 files changed, 202 insertions(+), 57 deletions(-)
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Subject: [Bug math/21660] GCC fails to compile a formula with tgmath.h
Date: Wed, 15 Nov 2017 02:10:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #4 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.27 (when used with GCC 8 or later).
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>From glibc-bugs-return-39829-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 15 10:15:40 2017
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Wed, 15 Nov 2017 10:15:00 -0000
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--- Comment #29 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Egmont Koblinger from comment #27)
> (In reply to keld@keldix.com from comment #25)
>
> > This commit is highly problematic, damaging the portablilty of glibc locales.
>
> If this kind of portability is really a concern, someone could some up with
> a script that converts from the new version to the old one. It could even be
> integrated with the build system to the level where these generated files
> are actually placed under BUILD and then further processed.
Yes, if that is really a concern, we could easily convert it to different
formats.
I really doubt that this can cause problems though. If the file contained
“<a>”, one still has to be able to read the ascii characters “<”, “a”, and “>”
to interpret the file, I don’t see anything which is lost by just writing “a”
instead. If one cannot read an ascii file, one would not be able to read the
keywords in the file either. So if something else than ascii like EBCDIC
is needed, one would need some conversion anyway. Using “a” instead of “<a>”
does not make such conversion any harder.
> I wish the current change even pushed it further, towards raw UTF-8 at least
> for printable and "non-problematic" (to some vague, arbitrary definition)
> characters.
I agree. In the long run this would be even better. Readability of the
source is useful. Let’s see what our experiences with using ascii directly
are, if no problems occur we can think about using UTF-8 for “non-problematic”
characters.
> I have on a few occasions made some minor edits to effected parts of a
> locale file, dealing with the <Uxxxx> notation was a nightmare. Working with
> a string like "h<U00E9>tf<U0151>" is already much better than
> "<U0068><U00E9><U0074><U0066><U0151>", but seeing "hétfő" would be ideal.
Yes, I also found the <Uxxxx> annoying when browsing the files, it
makes it much harder to spot errors.
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Wed, 15 Nov 2017 10:36:00 -0000
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--- Comment #30 from Andreas Schwab <schwab@linux-m68k.org> ---
> Yes, I also found the <Uxxxx> annoying when browsing the files, it
> makes it much harder to spot errors.
Try this:
(font-lock-add-keywords nil
'(("<U\\(....\\)>"
(0 (progn (compose-region (match-beginning 0) (match-end 0)
(string-to-number (match-string 1) 16)))))))
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Subject: [Bug malloc/22408] malloc_info access heaps without arena lock, ignores heaps
Date: Wed, 15 Nov 2017 10:40:00 -0000
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commit 7a9368a1174cb15b9f1d6342e0e10dd90dae238d
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Nov 15 11:39:01 2017 +0100
malloc: Add missing arena lock in malloc_info [BZ #22408]
Obtain the size information while the arena lock is acquired, and only
print it later.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 ++++
malloc/Makefile | 2 +
malloc/malloc.c | 16 +++++--
malloc/tst-malloc_info.c | 101 ++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 124 insertions(+), 4 deletions(-)
create mode 100644 malloc/tst-malloc_info.c
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>From glibc-bugs-return-39832-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 15 10:47:21 2017
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Subject: [Bug network/22442] New: if_nametoindex could report index for the wrong networking interface
Date: Wed, 15 Nov 2017 10:47:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22442
Bug ID: 22442
Summary: if_nametoindex could report index for the wrong
networking interface
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: network
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
The kernel truncates the passed string to IFNAMSIZ - 1 characters, so the glibc
function will return an interface ID for an interface which does not actually
exist.
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Subject: [Bug malloc/22408] malloc_info access heaps without arena lock, ignores heaps
Date: Wed, 15 Nov 2017 10:49:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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Subject: [Bug malloc/22439] malloc_info should compute summary statistics for all sub-heaps in an arena
Date: Wed, 15 Nov 2017 10:49:00 -0000
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What |Removed |Added
----------------------------------------------------------------------------
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Target Milestone|--- |2.27
--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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>From glibc-bugs-return-39834-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 15 10:49:25 2017
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Subject: [Bug malloc/22439] malloc_info should compute summary statistics for all sub-heaps in an arena
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34eb41579c6c34fa60ec6f1aac7b70ba6e1bebcc
commit 34eb41579c6c34fa60ec6f1aac7b70ba6e1bebcc
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Nov 15 11:40:41 2017 +0100
malloc: Account for all heaps in an arena in malloc_info [BZ #22439]
This commit adds a "subheaps" field to the malloc_info output that
shows the number of heaps that were allocated to extend a non-main
arena.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 3 +++
malloc/malloc.c | 17 +++++++++++++----
3 files changed, 22 insertions(+), 4 deletions(-)
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>From glibc-bugs-return-39836-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 15 17:00:44 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug network/22442] if_nametoindex could report index for the wrong networking interface
Date: Wed, 15 Nov 2017 17:00:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 2180fee114b778515b3f560e5ff1e795282e60b0
Author: Steve Ellcey <sellcey@caviumnetworks.com>
Date: Wed Nov 15 08:58:48 2017 -0800
Check length of ifname before copying it into to ifreq structure.
[BZ #22442]
* sysdeps/unix/sysv/linux/if_index.c (__if_nametoindex):
Check if ifname is too long.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/unix/sysv/linux/if_index.c | 6 ++++++
2 files changed, 12 insertions(+), 0 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug network/22442] if_nametoindex could report index for the wrong networking interface
Date: Wed, 15 Nov 2017 17:47:00 -0000
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--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
If the commit fixes the bug, please resolve it as FIXED with target
milestone set to 2.27.
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Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d9611e308592355718b36fe085b7b61aa52911e5
commit d9611e308592355718b36fe085b7b61aa52911e5
Author: Luke Shumaker <lukeshu@parabola.nu>
Date: Wed Nov 15 20:39:22 2017 +0100
linux ttyname{_r}: Add tests
Add a new tst-ttyname test that includes several named sub-testcases.
This patch is ordered after the patches with the fixes that it tests for
(to
avoid breaking `git bisect`), but for reference, here's how each relevant
change
so far affected the testcases in this commit, starting with
15e9a4f378c8607c2ae1aa465436af4321db0e23:
| | before | | make checks |
don't |
| | 15e9a4f | 15e9a4f | consistent |
bail |
|---------------------------------+---------+---------+-------------+-------|
| basic smoketest | PASS | PASS | PASS |
PASS |
| no conflict, no match | PASS[1] | PASS | PASS |
PASS |
| no conflict, console | PASS | FAIL! | FAIL |
PASS! |
| conflict, no match | FAIL | PASS! | PASS |
PASS |
| conflict, console | FAIL | FAIL | FAIL |
PASS! |
| with readlink target | PASS | PASS | PASS |
PASS |
| with readlink trap; fallback | FAIL | FAIL | FAIL |
PASS! |
| with readlink trap; no fallback | FAIL | PASS! | PASS |
PASS |
| with search-path trap | FAIL | FAIL | PASS! |
PASS |
|---------------------------------+---------+---------+-------------+-------|
| | 4/9 | 5/9 | 6/9 | 9/9
|
[1]: 15e9a4f introduced a semantic that, under certain failure
conditions, ttyname sets errno=ENODEV, where previously it didn't
set errno; it's not quite fair to hold "before 15e9a4f" ttyname to
those new semantics. This testcase actually fails, but would have
passed if we tested for the old the semantics.
Each of the failing tests before 15e9a4f are all essentially the same bug:
that
it returns a PTY slave with the correct minor device number, but from the
wrong
devpts filesystem instance.
15e9a4f sought to fix this, but missed several of the cases that can cause
this
to happen, and also broke the case where both the erroneous PTY and the
correct
PTY exist.
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a09dfc19edcbac3f96d5410529b724db0a583879
commit a09dfc19edcbac3f96d5410529b724db0a583879
Author: Luke Shumaker <lukeshu@parabola.nu>
Date: Wed Nov 15 20:36:44 2017 +0100
linux ttyname{_r}: Don't bail prematurely [BZ #22145]
Commit 15e9a4f378c8607c2ae1aa465436af4321db0e23 introduced logic for
ttyname()
sending back ENODEV to signal that we can't get a name for the TTY because
we
inherited it from a different mount namespace.
However, just because we inherited it from a different mount namespace and
it
isn't available at its original path, doesn't mean that its name is
unknowable;
we can still try to find it by allowing the normal fall back on iterating
through devices.
An example scenario where this happens is with "/dev/console" in
containers.
It's a common practice among container managers to allocate a PTY
master/slave
pair in the host's mount namespace (the slave having a path like
"/dev/pty/$X"),
bind mount the slave to "/dev/console" in the container's mount namespace,
and
send the slave FD to a process in the container. Inside of the
container, the slave-end isn't available at its original path
("/dev/pts/$X"),
since the container mount namespace has a separate devpts instance from the
host
(that path may or may not exist in the container; if it does exist, it's
not the
same PTY slave device). Currently ttyname{_r} sees that the file at the
original "/dev/pts/$X" path doesn't match the FD passed to it, and fails
early
and gives up, even though if it kept searching it would find the TTY at
"/dev/console". Fix that; don't have the ENODEV path force an early return
inhibiting the fall-back search.
This change is based on the previous patch that adds use of is_mytty in
getttyname and getttyname_r. Without that change, this effectively reverts
15e9a4f, which made us disregard the false similarity of file pointed to by
"/proc/self/fd/$Y", because if it doesn't bail prematurely then that file
("/dev/pts/$X") will just come up again anyway in the fall-back search.
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2fbce9c2031e70b6bd67876accfc34b0ec492878
commit 2fbce9c2031e70b6bd67876accfc34b0ec492878
Author: Luke Shumaker <lukeshu@parabola.nu>
Date: Wed Nov 15 20:34:30 2017 +0100
linux ttyname{_r}: Make tty checks consistent
In the ttyname and ttyname_r routines on Linux, at several points it needs
to
check if a given TTY is the TTY we are looking for. It used to be that this
check was (to see if `maybe` is `mytty`):
__xstat64(_STAT_VER, maybe_filename, &maybe) == 0
#ifdef _STATBUF_ST_RDEV
&& S_ISCHR(maybe.st_mode) && maybe.st_rdev == mytty.st_rdev
#else
&& maybe.st_ino == mytty.st_ino && maybe.st_dev == mytty.st_dev
#endif
This check appears in several places.
Then, one of the changes made in commit
15e9a4f378c8607c2ae1aa465436af4321db0e23
was to change that check to:
__xstat64(_STAT_VER, maybe_filename, &maybe) == 0
#ifdef _STATBUF_ST_RDEV
&& S_ISCHR(maybe.st_mode) && maybe.st_rdev == mytty.st_rdev
#endif
&& maybe.st_ino == mytty.st_ino && maybe.st_dev == mytty.st_dev
That is, it made the st_ino and st_dev parts of the check happen even if we
have
the st_rdev member. This is an important change, because the kernel allows
multiple devpts filesystem instances to be created; a device file in one
devpts
instance may share the same st_rdev with a file in another devpts instance,
but
they aren't the same file.
This check appears twice in each file (ttyname.c and ttyname_r.c), once (in
ttyname and __ttyname_r) to check if a candidate file found by inspecting
/proc
is the desired TTY, and once (in getttyname and getttyname_r) to check if a
candidate file found by searching /dev is the desired TTY. However, 15e9a4f
only updated the checks for files found via /proc; but the concern about
collisions between devpts instances is just as valid for files found via
/dev.
So, update all 4 occurrences the check to be consistent with the version of
the
check introduced in 15e9a4f. Make it easy to keep all 4 occurrences of the
check consistent by pulling it in to a static inline function, is_mytty.
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d10d6cab168ffa26ef6a506655ee5dc8537c8ed7
commit d10d6cab168ffa26ef6a506655ee5dc8537c8ed7
Author: Luke Shumaker <lukeshu@parabola.nu>
Date: Wed Nov 15 20:33:11 2017 +0100
linux ttyname: Change return type of is_pty from int to bool
is_pty returning a bool is fine since there's no possible outcome other
than
true or false, and bool is used throughout the codebase.
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9b5a87502d048905c383b65c51768f4a1db8c685
commit 9b5a87502d048905c383b65c51768f4a1db8c685
Author: Luke Shumaker <lukeshu@parabola.nu>
Date: Wed Nov 15 20:31:32 2017 +0100
linux ttyname: Update a reference to kernel docs for kernel 4.10
Linux 4.10 moved many of the documentation files around.
4.10 came out between the time the patch adding the comment (commit
15e9a4f378c8607c2ae1aa465436af4321db0e23) was submitted and the time
it was applied (in February, January, and March 2017; respectively).
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=495a56fdeb05d20a88304ff5da577d23a8e81ae1
commit 495a56fdeb05d20a88304ff5da577d23a8e81ae1
Author: Luke Shumaker <lukeshu@parabola.nu>
Date: Wed Nov 15 20:28:40 2017 +0100
manual: Update to mention ENODEV for ttyname and ttyname_r
Commit 15e9a4f378c8607c2ae1aa465436af4321db0e23 introduced ENODEV as a
possible
error condition for ttyname and ttyname_r. Update the manual to mention
this GNU
extension.
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 26 ++
manual/terminal.texi | 5 +
sysdeps/unix/sysv/linux/Makefile | 3 +-
sysdeps/unix/sysv/linux/tst-ttyname.c | 625 +++++++++++++++++++++++++++++++++
sysdeps/unix/sysv/linux/ttyname.c | 59 ++--
sysdeps/unix/sysv/linux/ttyname.h | 18 +-
sysdeps/unix/sysv/linux/ttyname_r.c | 61 +---
7 files changed, 715 insertions(+), 82 deletions(-)
create mode 100644 sysdeps/unix/sysv/linux/tst-ttyname.c
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Wed, 15 Nov 2017 22:55:00 -0000
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--- Comment #24 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
If the commits fix the bug, please resolve it as FIXED with target
milestone set. If not, given the length of discussions on it, a short
description of what remains to be fixed would be helpful.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22145] ttyname() gives up too early in the face of namespaces
Date: Wed, 15 Nov 2017 23:59:00 -0000
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Christian Brauner <christian.brauner at mailbox dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #25 from Christian Brauner <christian.brauner at mailbox dot org> ---
(In reply to joseph@codesourcery.com from comment #24)
> If the commits fix the bug, please resolve it as FIXED with target
> milestone set. If not, given the length of discussions on it, a short
> description of what remains to be fixed would be helpful.
Thanks, I was about to handle this next. Target milestone is probably 2.27.
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/10871] ru_RU: 'mon' array should contain both nominative and genitive cases
Date: Thu, 16 Nov 2017 01:49:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #10426|0 |1
is obsolete| |
--- Comment #114 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 10592
--> https://sourceware.org/bugzilla/attachment.cgi?id=10592&action=edit
Implement alternative month names (v10)
Here is the new series of patches. Changes:
- Fixed bug in strptime(), thanks Zack Weinberg for fixing it.
- Improved documentation, again thanks Zack Weinberg.
- Rebased to the current master.
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Subject: [Bug localedata/10871] ru_RU: 'mon' array should contain both nominative and genitive cases
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--- Comment #115 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 10593
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Regenerate locfile-kw.h from locfile-kw.gperf + ChangeLog (v10)
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Subject: [Bug localedata/10871] ru_RU: 'mon' array should contain both nominative and genitive cases
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--- Comment #116 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
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Also implement abbreviated alternative month names and %Ob (v10)
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Subject: [Bug localedata/10871] ru_RU: 'mon' array should contain both nominative and genitive cases
Date: Thu, 16 Nov 2017 01:55:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #10429|0 |1
is obsolete| |
--- Comment #117 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 10595
--> https://sourceware.org/bugzilla/attachment.cgi?id=10595&action=edit
Again regenerate locfile-kw.h from locfile-kw.gperf + ChangeLog (v10)
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/10871] ru_RU: 'mon' array should contain both nominative and genitive cases
Date: Thu, 16 Nov 2017 02:01:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #10430|0 |1
is obsolete| |
--- Comment #118 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 10596
--> https://sourceware.org/bugzilla/attachment.cgi?id=10596&action=edit
Documentation to the above changes(v10)
--------
SKIPPED PATCHES:
0006 Provide backward compatibility for nl_langinfo family
0007 Rebuild abilists to reflect nl_langinfo changes
0008 Provide backward compatibility for strftime family
0009 Rebuild abilists to reflect strftime family changes
0010 Backward compatibility for abbreviated alternative month names and %Ob
Most probably they will be dropped so I think there is no need to maintain
them.
Those who want their rebased version can find them on github.
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Subject: [Bug localedata/10871] ru_RU: 'mon' array should contain both nominative and genitive cases
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #9716|0 |1
is obsolete| |
--- Comment #119 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 10597
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Alternative month names NLS data (Polish, v10)
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Subject: [Bug localedata/10871] ru_RU: 'mon' array should contain both nominative and genitive cases
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #9917|0 |1
is obsolete| |
--- Comment #120 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 10598
--> https://sourceware.org/bugzilla/attachment.cgi?id=10598&action=edit
Alternative month names NLS data (Russian, v10)
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Subject: [Bug localedata/10871] ru_RU: 'mon' array should contain both nominative and genitive cases
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #9718|0 |1
is obsolete| |
--- Comment #121 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 10599
--> https://sourceware.org/bugzilla/attachment.cgi?id=10599&action=edit
Alternative month names NLS data (Ukrainian, v10)
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>From glibc-bugs-return-39849-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 16 02:06:41 2017
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Subject: [Bug localedata/10871] ru_RU: 'mon' array should contain both nominative and genitive cases
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #9719|0 |1
is obsolete| |
--- Comment #122 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 10600
--> https://sourceware.org/bugzilla/attachment.cgi?id=10600&action=edit
Alternative month names NLS data (Czech, v10)
Note: Czech language community may not like these changes. This patch should
not be committed without asking them about their opinion.
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Subject: [Bug localedata/10871] ru_RU: 'mon' array should contain both nominative and genitive cases
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #9918|0 |1
is obsolete| |
--- Comment #123 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 10601
--> https://sourceware.org/bugzilla/attachment.cgi?id=10601&action=edit
Import genitive month names from CLDR (v10)
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Subject: [Bug localedata/10871] ru_RU: 'mon' array should contain both nominative and genitive cases
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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is obsolete| |
--- Comment #124 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Created attachment 10602
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Import uppercase/lowercase month names from CLDR (v10)
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https://sourceware.org/bugzilla/show_bug.cgi?id=22370
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|open_verify should use |Incorrect note padding
|p_align to align notes |check
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>From glibc-bugs-return-39852-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 16 11:55:23 2017
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Subject: [Bug dynamic-link/22370] open_verify should use p_align to align notes
Date: Thu, 16 Nov 2017 11:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22370
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
According to gABI:
namesz and name
The first namesz bytes in name contain a null-terminated character
representation of the entry's owner or originator. There is no formal mechanism
for avoiding name conflicts. By convention, vendors use their own name, such as
XYZ Computer Company, as the identifier. If no name is present, namesz contains
0. Padding is present, if necessary, to ensure 8 or 4-byte alignment for the
descriptor (depending on whether the file is a 64-bit or 32-bit object). Such
padding is not included in namesz.
descsz and desc
The first descsz bytes in desc hold the note descriptor. The ABI places no
constraints on a descriptor's contents. If no descriptor is present, descsz
contains 0. Padding is present, if necessary, to ensure 8 or 4-byte alignment
for the next note entry (depending on whether the file is a 64-bit or 32-bit
object). Such padding is not included in descsz.
Here the name field, not namesz, is padded for the note descriptor. And
the desc field, not descsz, is padded for the next note entry.
But on Linux, .note.ABI-tag and .note.gnu.build-id notes are always aligned
to 4 bytes. In this case, we should check segment alignment, instead of using
alignment based on 32-bit or 64-bit objects.
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Subject: [Bug dynamic-link/22370] Incorrect note padding check
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0dfdda09f7b0faef5ff166f3e4e099b20571b76c
commit 0dfdda09f7b0faef5ff166f3e4e099b20571b76c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 31 04:51:41 2017 -0700
Properly compute offsets of note descriptor and next note [BZ #22370]
A note header has 3 4-bytes fields, followed by note name and note
descriptor. According to gABI, in a note entry, the note name field,
not note name size, is padded for the note descriptor. And the note
descriptor field, not note descriptor size, is padded for the next
note entry. Notes are aligned to 4 bytes in 32-bit objects and 8 bytes
in 64-bit objects.
For all GNU notes, the name is "GNU" which is 4 bytes. They have the
same format in the first 16 bytes in both 32-bit and 64-bit objects.
They differ by note descriptor size and note type. So far, .note.ABI-tag
and .note.gnu.build-id notes are always aligned to 4 bytes. The exsting
codes compute the note size by aligning the note name size and note
descriptor size to 4 bytes. It happens to produce the same value as
the actual note size by luck since the name size is 4 and offset of the
note descriptor is 16. But it will produce the wrong size when note
alignment is 8 bytes in 64-bit objects.
This patch defines ELF_NOTE_DESC_OFFSET and ELF_NOTE_NEXT_OFFSET to
properly compute offsets of note descriptor and next note. It uses
alignment of PT_NOTE segment to support both 4-byte and 8-byte note
alignments in 64-bit objects.
[BZ #22370]
* dl-hwcaps.c (ROUND): Removed.
(_dl_important_hwcaps): Replace ROUND with ELF_NOTE_DESC_OFFSET
and ELF_NOTE_NEXT_OFFSET.
* elf/dl-load.c (ROUND): Removed.
(open_verify): Replace ROUND with ELF_NOTE_NEXT_OFFSET.
* elf/readelflib.c (ROUND): Removed.
(process_elf_file): Replace ROUND with ELF_NOTE_NEXT_OFFSET.
* include/elf.h [!_ISOMAC]: Include <libc-pointer-arith.h>.
[!_ISOMAC] (ELF_NOTE_DESC_OFFSET): New.
[!_ISOMAC] (ELF_NOTE_NEXT_OFFSET): Likewise.
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Subject: [Bug dynamic-link/22370] Incorrect note padding check
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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69803aeeec234c8f754f805313402255c5342467 Replace ROUND with ALIGN_UP by p_align
[BZ #22370]
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Subject: [Bug libc/22341] Uninitialized variable in inline function elf_get_dynamic_info in get-dynamic-info.h
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|critical |normal
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>From glibc-bugs-return-39857-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 16 21:10:00 2017
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From: "msebor at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/22446] New: aliasing violation calling readlink in handle_request
Date: Thu, 16 Nov 2017 21:10:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22446
Bug ID: 22446
Summary: aliasing violation calling readlink in handle_request
Product: glibc
Version: 2.25
Status: UNCONFIRMED
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Priority: P2
Component: build
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Testing a GCC 8.0 patch to detect strict aliasing violations with Glibc turns
up the following warning (the only in an x86_64-linux build):
connections.c: In function ‘handle_request’:
connections.c:1087:31: warning: passing argument 2 to restrict-qualified
parameter aliases with argument 1 [-Wrestrict]
ssize_t n = readlink (buf, buf, sizeof (buf) - 1);
~~~ ^~~
POSIX readlink restrict-qualifies both of its pointer arguments.
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>From glibc-bugs-return-39858-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 16 21:25:19 2017
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From: "msebor at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/22447] New: unsafe call to strlen with a non-string in getlogin_r.c
Date: Thu, 16 Nov 2017 21:25:00 -0000
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Bug ID: 22447
Summary: unsafe call to strlen with a non-string in
getlogin_r.c
Product: glibc
Version: 2.25
Status: UNCONFIRMED
Severity: normal
Priority: P2
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The was mentioned in
https://sourceware.org/ml/libc-alpha/2017-11/msg00556.html:
The new attribute nonstring recently introduced into Glibc triggers warnings
with my patch that enhances GCC to check for string functions being passed
arrays declared with the attribute. At least one of these looks like a Glibc
bug. The
__getlogin_r function in getlogin_r.c calls stlen() on the ut_user array member
of struct utmp. The utmp man page says that:
String fields are terminated by a null byte ('\0')
if they are shorter than the size of the field.
so the attribute on the array seems appropriate and the warning suggests a bug
in the function. The strlen call should probably be replaced with strnlen or
maybe memchr.
../sysdeps/unix/getlogin_r.c:83:23: warning: ‘strlen’ argument 1 declared
attribute ‘nonstring’ [-Wstringop-overflow=]
size_t needed = strlen (ut->ut_user) + 1;
^~~~~~~~~~~~~~~~~~~~
In file included from ../login/utmp.h:29,
from ../include/utmp.h:2,
from ../sysdeps/unix/getlogin_r.c:26,
from ../sysdeps/unix/sysv/linux/getlogin_r.c:25:
../sysdeps/gnu/bits/utmp.h:65:8: note: argument ‘ut_user’ declared here
char ut_user[UT_NAMESIZE]
^~~~~~~
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Subject: [Bug libc/22341] Uninitialized variable in inline function elf_get_dynamic_info in get-dynamic-info.h
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https://sourceware.org/bugzilla/show_bug.cgi?id=22341
--- Comment #2 from yueqichen.0x0 at gmail dot com ---
In that case, we probably need a verification before using entries in dynamic
section. Do you have a quick patch for us to test? Thanks
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>From glibc-bugs-return-39860-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 16 23:39:43 2017
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22387] Replace unicode sequences <Uxxxx> for characters inside the ASCII printable range
Date: Thu, 16 Nov 2017 23:39:00 -0000
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--- Comment #31 from keld at keldix dot com <keld at keldix dot com> ---
On Wed, Nov 15, 2017 at 10:15:31AM +0000, maiku.fabian at gmail dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=22387
>
> --- Comment #29 from Mike FABIAN <maiku.fabian at gmail dot com> ---
> (In reply to Egmont Koblinger from comment #27)
> > (In reply to keld@keldix.com from comment #25)
> >
> > > This commit is highly problematic, damaging the portablilty of glibc locales.
> >
> > If this kind of portability is really a concern, someone could some up with
> > a script that converts from the new version to the old one. It could even be
> > integrated with the build system to the level where these generated files
> > are actually placed under BUILD and then further processed.
>
> Yes, if that is really a concern, we could easily convert it to different
> formats.
> I really doubt that this can cause problems though. If the file contained
> ???<a>???, one still has to be able to read the ascii characters ???<???, ???a???, and ???>???
> to interpret the file, I don???t see anything which is lost by just writing ???a???
> instead. If one cannot read an ascii file, one would not be able to read the
> keywords in the file either. So if something else than ascii like EBCDIC
> is needed, one would need some conversion anyway. Using ???a??? instead of ???<a>???
> does not make such conversion any harder.
I have explained earlier that not using symbolic character names will generate
wrong results in situations where the source and target coded character set
have
different encodings of ascii characters.
The locales as they have come from my hand even preserves portability when some
characters in the ascii character set have different encodings, which happens
on EBCDICs with different national ebcdic character sets. These are still in
use
on big banking and aviation systems AFAIK.
As an editor of multiple ISO standards on POSIX/Linux locales I do strive for
general specs
and portablility. I can understand that this is not an issue for glibc people.
I just have been happy that glibc has been using the ISO specs, and that I as
ISO editor could use the glibc specs in return. This is not the case anymore
with the recent
patch.
I do have a great concern for the readability of the locales. That is why I
made
an elaborate set of symbolic character names, that were much easier to
proofread
than the <uxxxx> names, such as the <a> and greek <a*> names, japanese kana,
arabic,
hebrew etc. Thus the locales were both portable over almost all known
platforms, and
readable to some extent. I was quite happy when I saw that the Arabic name for
the
10th month was something like "octobr" - it meant that I as someone that could
not
read arabic at all, could write and maintain an arabic locale, with some
confidence.
Also, I cannot edit japanese or arabic characters in utf-8, as I don't know
them, and
I think this is also the case for many mauntainers or glibc locales. They may
be fluent
in their own locale, but locales from other cultures may be beyond their
capability
to edit in raw utf-8.
I wish that we could have some arrangement so that we can have mutual exchange
again
of locale specs.
Best regards
keld
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Subject: [Bug network/10652] getaddrinfo causes segfault if multithreaded and linked statically
Date: Fri, 17 Nov 2017 13:45:00 -0000
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Vyacheslav Barinov <rayslava at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rayslava at gmail dot com
--- Comment #28 from Vyacheslav Barinov <rayslava at gmail dot com> ---
Can confirm on sys-libs/glibc-2.26-r3 on my Gentoo.
Everything's fine when linking dynamically, when linking statically, I receive
the following trace:
#0 0x00007ffff5d70648 in internal_getent (stream=0x7fffd8000b10,
result=result@entry=0x7ffff6778410, buffer=buffer@entry=0x7fffe0000e70 "",
buflen=buflen@entry=1024,
errnop=errnop@entry=0x7ffff67796b0, herrnop=herrnop@entry=0x7ffff67783fc,
af=2, flags=0) at nss_files/files-XXX.c:216
#1 0x00007ffff5d717c0 in _nss_files_gethostbyname3_r (name=0x7fffe0000b10
"api.telegram.org", af=2, result=0x7ffff6778410, buffer=<optimized out>,
buflen=1024, errnop=0x7ffff67796b0,
herrnop=0x7ffff67783fc, ttlp=0x0, canonp=0x0) at
nss_files/files-hosts.c:352
#2 0x00007ffff5d71941 in _nss_files_gethostbyname2_r (name=<optimized out>,
af=<optimized out>, result=<optimized out>, buffer=<optimized out>,
buflen=<optimized out>,
errnop=<optimized out>, herrnop=0x7ffff67783fc) at
nss_files/files-hosts.c:389
#3 0x0000000000704ac3 in __gethostbyname2_r (name=0x7fffe0000b10
"api.telegram.org", af=af@entry=2, resbuf=resbuf@entry=0x7ffff6778410,
buffer=<optimized out>,
buffer@entry=0x7fffe0000e70 "", buflen=buflen@entry=1024,
result=result@entry=0x7ffff6778408, h_errnop=0x7ffff67783fc) at
../nss/getXXbyYY_r.c:316
#4 0x00000000004513e6 in networking::resolve_host (answer=0x7ffff6778410,
hostname=...) at src/net.cpp:58
#5 networking::tcp_connect (host=...) at src/net.cpp:87
#6 0x00000000004524da in networking::tls_connect (host=...) at src/net.cpp:169
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Subject: [Bug libc/18863] bits/siginfo.h: mips/ia64 missing si_syscall updates
Date: Fri, 17 Nov 2017 18:32:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |FIXED
Target Milestone|--- |2.23
--- Comment #4 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
As per comment #2, it was fixed by a2ab38c9b8a8b99f998bb9b9743b3f5c9a4493b5.
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>From glibc-bugs-return-39863-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Nov 18 15:21:27 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22457] New: Generic preadv/pwritev incorrectly calls __posix_memalign
Date: Sat, 18 Nov 2017 15:21:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22457
Bug ID: 22457
Summary: Generic preadv/pwritev incorrectly calls
__posix_memalign
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Target: Hurd
An interposed malloc will not override __posix_memalign, so these functions
free an invalid pointer.
This is not a problem on Linux because the system calls are always used.
My advice would be to replace these functions with an ENOSYS stub until Hurd
implements them.
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Subject: [Bug libc/22457] Generic preadv/pwritev incorrectly calls __posix_memalign
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|Hurd |
--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
This also affects Linux because microblaze added preadv/pwritev support only in
kernel version 3.15, and we require only kernel 3.2.
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Subject: [Bug build/17956] Build fails on missing definitions from header file nss/nss.h when Mozilla NSS is used for cryptography
Date: Sat, 18 Nov 2017 18:37:00 -0000
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--- Comment #28 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.26/master has been updated
via 2767ebd8bc34c8b632ea737296200a86f57289ad (commit)
via 82b166320262b105136eef99da7552474d5a046f (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2767ebd8bc34c8b632ea737296200a86f57289ad
commit 2767ebd8bc34c8b632ea737296200a86f57289ad
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Oct 4 15:49:06 2017 +0200
crypt: Adjust check-local-headers.sh for nspr4 include directory [BZ
#17956]
(cherry picked from commit 11c4f5010c58029e73e656d5df4f8f42c9b8e877)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82b166320262b105136eef99da7552474d5a046f
commit 82b166320262b105136eef99da7552474d5a046f
Author: Guido Trentalancia <guido@trentalancia.net>
Date: Sat Nov 18 19:26:57 2017 +0100
crypt: Use NSPR header files in addition to NSS header files [BZ #17956]
When configuring and building GNU libc using the Mozilla NSS library
for cryptography (--enable-nss-crypt option), also include the
NSPR header files along with the Mozilla NSS library header files.
Finally, when running the check-local-headers test, ignore the
Mozilla NSPR library header files (used by the Mozilla NSS library).
(cherry picked from commit 57b4af1955e28c1623c98397b8597847d16bdd8c)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 16 ++++++++++++++++
NEWS | 1 +
configure | 6 +++++-
configure.ac | 6 +++++-
crypt/Makefile | 8 +++++---
scripts/check-local-headers.sh | 2 +-
6 files changed, 33 insertions(+), 6 deletions(-)
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Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Sat, 18 Nov 2017 23:22:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
--- Comment #17 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at 462bca4d9c24dd7fc746a82cb2bccad99ca19e9d (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=462bca4d9c24dd7fc746a82cb2bccad99ca19e9d
commit 462bca4d9c24dd7fc746a82cb2bccad99ca19e9d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bd010e3269bee4af9798d61f9aac885dc9e644eb
commit bd010e3269bee4af9798d61f9aac885dc9e644eb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1d6ab8fc05cdeee0a9852ace3efbf65470dbb1f6
commit 1d6ab8fc05cdeee0a9852ace3efbf65470dbb1f6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=72e63f872e4c155e24f25852e035a8d4309f60d8
commit 72e63f872e4c155e24f25852e035a8d4309f60d8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=440ab9ce85ceffeb8a883391e43e4123055c11ad
commit 440ab9ce85ceffeb8a883391e43e4123055c11ad
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=17a0122b6c1a78e3a67ca2101272ed9fa74fa55e
commit 17a0122b6c1a78e3a67ca2101272ed9fa74fa55e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5666cc1daa9fcf482a2670ad2af99b09a499cd1a
commit 5666cc1daa9fcf482a2670ad2af99b09a499cd1a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11337bccdf52ff2dfcf652f46097895d2c65a76e
commit 11337bccdf52ff2dfcf652f46097895d2c65a76e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
The following changes are made for static PIE:
1. Add a new function, _dl_relocate_static_pie, to:
a. Get the run-time load address.
b. Read the dynamic section.
c. Perform dynamic relocations.
Dynamic linker also performs these steps. But static PIE doesn't load
any shared objects.
2. Call _dl_relocate_static_pie at entrance of LIBC_START_MAIN in
libc.a. crt1.o, which is used to create dynamic and non-PIE static
executables, is updated to include a dummy _dl_relocate_static_pie.
rcrt1.o is added to create static PIE, which will link in the real
_dl_relocate_static_pie. grcrt1.o is also added to create static PIE
with -pg. GCC 8 has been updated to support rcrt1.o and grcrt1.o for
static PIE.
Static PIE can work on all architectures which support PIE, provided:
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in statice PIE are local functions. If PIE start.S can't
reach main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, s390 and sh.
6. __brk works without TLS nor dynamic relocations in read-only section
so that it can be used by __libc_setup_tls to initializes TLS in static
PIE.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `r' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add r$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)r$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22459] New: FAIL: elf/check-localplt
Date: Sun, 19 Nov 2017 18:40:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22459
Bug ID: 22459
Summary: FAIL: elf/check-localplt
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
On x86-64, when glibc is configured with
--enable-stack-protector=all
I got
FAIL: elf/check-localplt
Extra PLT reference: libc.so: __stack_chk_fail
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Subject: [Bug libc/22459] FAIL: elf/check-localplt
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https://sourceware.org/bugzilla/show_bug.cgi?id=22459
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pr22459/master has been created
at 277904c8434d46999674d9b4eb2871cd0039d8f2 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=277904c8434d46999674d9b4eb2871cd0039d8f2
commit 277904c8434d46999674d9b4eb2871cd0039d8f2
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Nov 19 11:23:05 2017 -0800
libc.so: Replace nscd_hash.os with libc-nscd_hash.os [BZ #22459]
nscd_hash.os is needed both libc.so as well as nscd. Since nscd_hash.os
is compiled as the part of nscd, when -fstack-protector-all is used,
nscd_hash.os calls __stack_chk_fail via PLT, which leads to
FAIL: elf/check-localplt
Extra PLT reference: libc.so: __stack_chk_fail
This patch replaces nscd_hash.os with libc-nscd_hash.os in libc_pic.a
to avoid calling __stack_chk_fail via PLT inside of libc.so.
[BZ #22459]
* nscd/Makefile (aux): Replace nscd_hash with libc-nscd_hash.
* nscd/libc-nscd_hash.c: New file.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Sun, 19 Nov 2017 19:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
--- Comment #18 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at 9f281c50f56a29e64b0e7ffeab93057768f88a0c (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9f281c50f56a29e64b0e7ffeab93057768f88a0c
commit 9f281c50f56a29e64b0e7ffeab93057768f88a0c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=af03eea93838e16f1491df9e8f752b12d961083d
commit af03eea93838e16f1491df9e8f752b12d961083d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ed9bf67c24609aa5ea49ebe4d2d45bcff9ed0103
commit ed9bf67c24609aa5ea49ebe4d2d45bcff9ed0103
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ad1fa48080cd9471e88da4a3d1e071f7d834ba25
commit ad1fa48080cd9471e88da4a3d1e071f7d834ba25
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7fe53ba27ebc80e59db49cbb957ec63b0824b131
commit 7fe53ba27ebc80e59db49cbb957ec63b0824b131
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:11:02 2017 -0700
aarch64: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/aarch64/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1d8332577dd1b81e9ddba1b1f6c63cd54a47141e
commit 1d8332577dd1b81e9ddba1b1f6c63cd54a47141e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=41836f74fccde80292d80f1e65aff2cd4ab6289e
commit 41836f74fccde80292d80f1e65aff2cd4ab6289e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0379d68b6128b8d87c9c00cff4b824052c8db968
commit 0379d68b6128b8d87c9c00cff4b824052c8db968
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
The following changes are made for static PIE:
1. Add a new function, _dl_relocate_static_pie, to:
a. Get the run-time load address.
b. Read the dynamic section.
c. Perform dynamic relocations.
Dynamic linker also performs these steps. But static PIE doesn't load
any shared objects.
2. Call _dl_relocate_static_pie at entrance of LIBC_START_MAIN in
libc.a. crt1.o, which is used to create dynamic and non-PIE static
executables, is updated to include a dummy _dl_relocate_static_pie.
rcrt1.o is added to create static PIE, which will link in the real
_dl_relocate_static_pie. grcrt1.o is also added to create static PIE
with -pg. GCC 8 has been updated to support rcrt1.o and grcrt1.o for
static PIE.
Static PIE can work on all architectures which support PIE, provided:
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in static PIE are local functions. If PIE start.S can't reach
main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, s390 and sh.
6. __brk works without TLS nor dynamic relocations in read-only section
so that it can be used by __libc_setup_tls to initializes TLS in static
PIE.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
On x86-64, the normal static sln:
text data bss dec hex filename
625425 8284 5456 639165 9c0bd elf/sln
the static PIE sln:
text data bss dec hex filename
657626 20636 5392 683654 a6e86 elf/sln
The code size is increased by 5% and the binary size is increased by 7%.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on i686 and x86-64.
Build results of build-many-glibcs.py with --enable-static-pie with all
patches for static PIE applied are
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-hppa-linux-gnu build
PASS: glibcs-i486-linux-gnu build
PASS: glibcs-i586-linux-gnu build
PASS: glibcs-i686-linux-gnu build
PASS: glibcs-i686-linux-gnu-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-s390x-linux-gnu build
PASS: glibcs-x86_64-linux-gnu build
PASS: glibcs-x86_64-linux-gnu-disable-multi-arch build
PASS: glibcs-x86_64-linux-gnu-x32 build
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `r' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add r$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)r$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
(_dl_get_dl_main_map): Likewise.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/15537] lv_LV: invalid collation for Latvian diacritical letters
Date: Mon, 20 Nov 2017 08:49:00 -0000
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Created attachment 10623
--> https://sourceware.org/bugzilla/attachment.cgi?id=10623&action=edit
0001-lv_LV-locale-fix-collation-BZ-15537.patch
Order without my patch:
$ LC_ALL=lv_LV.UTF-8 ls
Ʒ a Aa æ Āb c D i Y yb Īb ĵa L ņ ra Ŗa Sa š T Zb ža
ʒ ʒa aa Ā āb Ç Ģ Ia y Ī īb Ĵb Ļ O Rb ŗa sa Ša Z zb Žb
ȥ Ʒa Ab ā ʒb ç ģ ia Ya ī Ĵ ĵb ļ Ø rb Ŗb Sb ša z Ž žb
Ȥ Å ab Āa Ʒb Č H Ib ya Īa ĵ Ķ M ø Ŗ ŗb sb Šb Za ž
A å Æ āa C č I ib Yb īa Ĵa ķ Ņ Ra ŗ S Š šb za Ža
$
Order with my patch:
bash-4.4# LC_ALL=lv_LV.UTF-8 ls
a Ā ab Æ č H y Īa īb Ĵ ķ M Ø ŗ Ŗb Sb šb Z zb Ža ʒa
A aa Ab c Č i Y ya Īb ĵa Ķ ņ ra Ŗ S š Šb ȥ Zb žb Ʒa
å Aa āb C D I ia Ya yb Ĵa L Ņ Ra ŗa sa Š t Ȥ ž Žb ʒb
Å āa Āb ç ģ ī Ia ib Yb ĵb ļ O rb Ŗa Sa ša T za Ž ʒ Ʒb
ā Āa æ Ç Ģ Ī īa Ib ĵ Ĵb Ļ ø Rb ŗb sb Ša z Za ža Ʒ
bash-4.4#
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/15537] lv_LV: invalid collation for Latvian diacritical letters
Date: Mon, 20 Nov 2017 08:50:00 -0000
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/15537] lv_LV: invalid collation for Latvian diacritical letters
Date: Mon, 20 Nov 2017 08:57:00 -0000
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--- Comment #3 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to alexander smishlajev from comment #0)
> Besides, current version of Latvian locale contains letter R WITH CEDILLA
> (U0156, U0157), which is now sorted separately from letter R with other
> diacritical marks. This letter is not currently used for Latvian writing in
> Latvia (it was used in the first half of the 20th century, and is still used
> by some Latvian communities outside Latvia), so the sorting rules for this
> letter are not obvious. I think that it would be better to make the first
> weight for letter R WITH CEDILLA equal to R because most of current Latvian
> language users cannot say when to use R with cedilla instead of R.
My patch fixes the problems you report, *except* the problem you
report about R WITH CEDILLA.
I fixed it by throwing away all the existing rules in LC_COLLATE in the
lv_LV locale and do a
copy "iso14651_t1"
instead to include the default sort order.
Then, on top of the default sort order I implemented the same
rules as in
http://unicode.org/cldr/trac/browser/trunk/common/collation/lv.xml
This collation data from CLDR treats the R WITH CEDILLA as primary different
from R, i.e. it continues to sort it the same way as the current
lv_LV locale in glibc does.
I don’t want to deviate from the CLDR collation data for no good reason,
so if this is really wrong it would be good to report a bug
against CLDR. But I guess it is correct because it cites
a Latvian dictionary as a reference.
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To: glibc-bugs@sourceware.org
Subject: [Bug network/22463] New: p_secstodate overflow handling
Date: Mon, 20 Nov 2017 19:00:00 -0000
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Bug ID: 22463
Summary: p_secstodate overflow handling
Product: glibc
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The resolv/res_debug.c function p_secstodate does:
struct tm timebuf;
time = __gmtime_r(&clock, &timebuf);
time->tm_year += 1900;
time->tm_mon += 1;
sprintf(output, "%04d%02d%02d%02d%02d%02d",
time->tm_year, time->tm_mon, time->tm_mday,
time->tm_hour, time->tm_min, time->tm_sec);
If __gmtime_r returns NULL (because the year overflows the range of int), this
will dereference a null pointer. Otherwise, if the computed year does not fit
in four characters, this will cause a buffer overrun of the fixed-size 15-byte
buffer. With current GCC mainline, there is a compilation failure (the
estimate of possible output size is excessive because GCC doesn't know the
range limits on most of the fields - putting checks on the ranges that call
__builtin_unreachable or abort on failure would probably suffice to tell GCC
the possible size of output for fields other than tm_year - but for tm_year
there is a genuine buffer overrun bug if called for times that involve large
years):
res_debug.c:1069:23: error: '%02d' directive writing between 2 and 11 bytes
into a region of size between 4 and 11 [-Werror=format-overflow=]
sprintf(output, "%04d%02d%02d%02d%02d%02d",
^~~~
res_debug.c:1069:18: note: directive argument in the range [-2147483647,
2147483647]
sprintf(output, "%04d%02d%02d%02d%02d%02d",
^~~~~~~~~~~~~~~~~~~~~~~~~~
res_debug.c:1069:2: note: 'sprintf' output between 15 and 67 bytes into a
destination of size 15
sprintf(output, "%04d%02d%02d%02d%02d%02d",
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
time->tm_year, time->tm_mon, time->tm_mday,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
time->tm_hour, time->tm_min, time->tm_sec);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Subject: [Bug localedata/22469] New: pl_PL LC_COLLATE does not use i18n
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Bug ID: 22469
Summary: pl_PL LC_COLLATE does not use i18n
Product: glibc
Version: unspecified
Status: NEW
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Priority: P2
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localedata/locales/pl_PL does not build upon localedata/locales/i18n, missing
all updates from there.
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |FIXED
Target Milestone|2.26 |2.27
--- Comment #12 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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>From glibc-bugs-return-39879-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 21 06:33:37 2017
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Subject: [Bug localedata/22469] pl_PL LC_COLLATE does not use i18n
Date: Tue, 21 Nov 2017 06:33:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |digitalfreak@lingonborough.
| |com
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>From glibc-bugs-return-39880-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 21 06:50:46 2017
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/1015] be_BY@tarask: new locale
Date: Tue, 21 Nov 2017 06:50:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |digitalfreak@lingonborough.
| |com
Resolution|--- |WONTFIX
--- Comment #26 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
This is what I've received from a native speaker:
"I don't think this change should be done. Since the time
the bug was reported, usage of the alternative spelling has
significantly decreased both in localization projects as well as in
real/web life, and I don't believe there are a lot of people who would
contribute in this specific locale variant. Having all those variants
at this point is just confusing for users. If I were you, I would just
close the bug without a fix.
Ihar"
Therefore I'm closing this.
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>From glibc-bugs-return-39881-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 21 07:48:41 2017
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Subject: [Bug libc/18822] Internal functions are called via PLT
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8beba15d536aa5c89e9e55e4c497c0bcd10cb67c
commit 8beba15d536aa5c89e9e55e4c497c0bcd10cb67c
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Tue Nov 21 08:45:28 2017 +0100
S390: Add cfi information for start routines in order to stop unwinding.
GDB failed to detect the outermost frame while showing the backtrace
within a thread:
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Before this patch, the start routines like thread_start had no cfi
information.
GDB is then using the prologue unwinder if no cfi information is available.
This unwinder tries to unwind r15 and stops e.g. if r15 was updated or
on some jump-instructions.
On older glibc-versions (before commit "Remove cached PID/TID in clone"
c579f48edba88380635ab98cb612030e3ed8691e), the thread_start function used
such a jump-instruction and GDB did not fail with an error.
This patch adds cfi information for _start, thread_start and
__makecontext_ret
and marks r14 as undefined which marks the frame as outermost frame and GDB
stops the backtrace. Also tested different gcc versions in order to test
_Unwind_Backtrace() in libgcc as this is used by backtrace() in glibc.
ChangeLog:
* sysdeps/s390/s390-64/start.S (_start): Add cfi information for r14.
* sysdeps/s390/s390-32/start.S: (_start): Likewise
* sysdeps/unix/sysv/linux/s390/s390-64/clone.S
(thread_start): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/clone.S
(thread_start): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/__makecontext_ret.S
(__makecontext_ret): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/__makecontext_ret.S
(__makecontext_ret): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=80eb52e3a93a9f611a415a3565d17536cf023f8a
commit 80eb52e3a93a9f611a415a3565d17536cf023f8a
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Tue Nov 21 08:39:53 2017 +0100
Remove attribute_hidden for wchar ifunc symbols.
On s390 (31bit) various debug/tst-*chk* testcases are failing as the tests
are ending with a segmentation fault.
One test is e.g. calling wcsnrtombs in debug/tst-chk1.c:1549.
The function wcsnrtombs itself calls __wcsnlen. This function is called via
PLT! The PLT-stub itself loads the address from GOT (r12 is assumed to be
the GOT-pointer). In this case the loaded address is zero and the following
branch leads to the segmentation fault.
Due to the attribute_hidden in commit
44af8a32c341672b5160fdc2839767e9a837ad26
"Mark internal wchar functions with attribute_hidden [BZ #18822]"
for e.g. the __wcsnlen function, r12 is not loaded with the GOT-pointer
in wcsnrtombs.
On s390x (64bit), this __wcsnlen call is also using the PLT-stub. But it is
not failing as the GOT-pointer is setup with larl-instruction by the
PLT-stub
itself.
Note: On s390x/s390, __wcsnlen is an IFUNC symbol.
On x86_64, __wcsnlen is also an IFUNC symbol and is called via PLT, too.
Further IFUNC symbols on s390 which were marked as hidden by the mentioned
commit are: __wcscat, __wcsncpy, __wcpncpy, __wcschrnul.
This patch removes the attribute_hidden in wchar.h.
Then the compiler setups e.g. r12 on s390 in order to call __wcsnlen via
PLT.
ChangeLog:
* include/wchar.h (__wcsnlen, __wcscat, __wcsncpy, __wcpncpy,
__wcschrnul): Remove attribute_hidden.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 ++++++++++++++++++
include/wchar.h | 12 +++++-------
sysdeps/s390/s390-32/start.S | 7 +++++++
sysdeps/s390/s390-64/start.S | 7 +++++++
.../sysv/linux/s390/s390-32/__makecontext_ret.S | 10 ++--------
sysdeps/unix/sysv/linux/s390/s390-32/clone.S | 4 ++++
.../sysv/linux/s390/s390-64/__makecontext_ret.S | 10 ++--------
sysdeps/unix/sysv/linux/s390/s390-64/clone.S | 4 ++++
8 files changed, 49 insertions(+), 23 deletions(-)
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>From glibc-bugs-return-39882-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 21 09:53:46 2017
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22470] New: Suggestion: Add Cyrillic "dD" and "nN" to yesexpr and noexpr respectively to every locale in Russia
Date: Tue, 21 Nov 2017 09:53:00 -0000
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Bug ID: 22470
Summary: Suggestion: Add Cyrillic "dD" and "nN" to yesexpr and
noexpr respectively to every locale in Russia
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: digitalfreak at lingonborough dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
Same as we have added "yY" and "nN" to yesexpr and noexpr in all locales
(unless this is conflicting) because we assume that some people may be used to
English language and involuntarily may press Y or N rather than their localized
version, I suggest to add "дД" (Cyrillic "dD") and "нН" (Cyrillic "nN") to
every local language of Russia, which means all *_RU locales. Of course the
same applies to every ru_* locale but most probably they already contain their
proper characters.
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>From glibc-bugs-return-39883-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 21 09:54:57 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22470] Suggestion: Add Cyrillic "dD" and "nN" to yesexpr and noexpr respectively to every locale in Russia
Date: Tue, 21 Nov 2017 09:54:00 -0000
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----------------------------------------------------------------------------
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>From glibc-bugs-return-39884-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 21 20:37:23 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/21041] IFUNC system/longjmp in libpthread.so are unsafe
Date: Tue, 21 Nov 2017 20:37:00 -0000
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--- Comment #22 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 71170eba2af41e08d51cf9d7b1ded5fd4b0b5c9c
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Aug 8 17:44:32 2017 +0200
Add test for bug 21041
(cherry picked from commit 40c06a3d0450365e9675fe26f34fc56ce8497325)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4db8f362c13c7239311db95bd7f96d4bce0769f3
commit 4db8f362c13c7239311db95bd7f96d4bce0769f3
Author: Andreas Schwab <schwab@suse.de>
Date: Wed Aug 9 10:36:08 2017 +0200
Fix s390 version of pt-longjmp.c
(cherry picked from commit 5797b410a87f6f6f6d3661d730fac320cbd5f270)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=88758c4ad3f046d050bc2c3ae0f172b6524ca6c2
commit 88758c4ad3f046d050bc2c3ae0f172b6524ca6c2
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Aug 8 16:21:58 2017 +0200
Don't use IFUNC resolver for longjmp or system in libpthread (bug 21041)
Unlike the vfork forwarder and like the fork forwarder as in bug 19861,
there won't be a problem when the compiler does not turn this into a tail
call.
(cherry picked from commit fc5ad7024c620cdfe9b76e94638aac83b99c5bf8)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 21 +++++++++++++
nptl/Makefile | 6 ++-
nptl/pt-longjmp.c | 31 ++++++-------------
nptl/pt-system.c | 24 +++++----------
.../lcong48.c => nptl/tst-compat-forwarder-mod.c | 10 ++++--
.../tst-compat-forwarder.c | 23 ++++++--------
sysdeps/unix/sysv/linux/s390/pt-longjmp.c | 4 +-
7 files changed, 61 insertions(+), 58 deletions(-)
copy stdlib/lcong48.c => nptl/tst-compat-forwarder-mod.c (77%)
copy math/test-fe-snans-always-signal.c => nptl/tst-compat-forwarder.c (67%)
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Subject: [Bug nptl/19861] libpthread IFUNC resolver for fork can lead to crash
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commit 71170eba2af41e08d51cf9d7b1ded5fd4b0b5c9c
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Aug 8 17:44:32 2017 +0200
Add test for bug 21041
(cherry picked from commit 40c06a3d0450365e9675fe26f34fc56ce8497325)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4db8f362c13c7239311db95bd7f96d4bce0769f3
commit 4db8f362c13c7239311db95bd7f96d4bce0769f3
Author: Andreas Schwab <schwab@suse.de>
Date: Wed Aug 9 10:36:08 2017 +0200
Fix s390 version of pt-longjmp.c
(cherry picked from commit 5797b410a87f6f6f6d3661d730fac320cbd5f270)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=88758c4ad3f046d050bc2c3ae0f172b6524ca6c2
commit 88758c4ad3f046d050bc2c3ae0f172b6524ca6c2
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Aug 8 16:21:58 2017 +0200
Don't use IFUNC resolver for longjmp or system in libpthread (bug 21041)
Unlike the vfork forwarder and like the fork forwarder as in bug 19861,
there won't be a problem when the compiler does not turn this into a tail
call.
(cherry picked from commit fc5ad7024c620cdfe9b76e94638aac83b99c5bf8)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 21 +++++++++++++
nptl/Makefile | 6 ++-
nptl/pt-longjmp.c | 31 ++++++-------------
nptl/pt-system.c | 24 +++++----------
.../lcong48.c => nptl/tst-compat-forwarder-mod.c | 10 ++++--
.../tst-compat-forwarder.c | 23 ++++++--------
sysdeps/unix/sysv/linux/s390/pt-longjmp.c | 4 +-
7 files changed, 61 insertions(+), 58 deletions(-)
copy stdlib/lcong48.c => nptl/tst-compat-forwarder-mod.c (77%)
copy math/test-fe-snans-always-signal.c => nptl/tst-compat-forwarder.c (67%)
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Subject: [Bug dynamic-link/21041] IFUNC system/longjmp in libpthread.so are unsafe
Date: Tue, 21 Nov 2017 21:16:00 -0000
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commit 0e6f64d9d04a9a26a048d1fb1bf1ebdb6739c5af
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Aug 8 17:44:32 2017 +0200
Add test for bug 21041
(cherry picked from commit 40c06a3d0450365e9675fe26f34fc56ce8497325)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06e775f4646f823cb858f50258bbe5a6f1e6bbe1
commit 06e775f4646f823cb858f50258bbe5a6f1e6bbe1
Author: Andreas Schwab <schwab@suse.de>
Date: Wed Aug 9 10:36:08 2017 +0200
Fix s390 version of pt-longjmp.c
(cherry picked from commit 5797b410a87f6f6f6d3661d730fac320cbd5f270)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8182ccd9b8f9e6474712ddc904930e150f96da36
commit 8182ccd9b8f9e6474712ddc904930e150f96da36
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Aug 8 16:21:58 2017 +0200
Don't use IFUNC resolver for longjmp or system in libpthread (bug 21041)
Unlike the vfork forwarder and like the fork forwarder as in bug 19861,
there won't be a problem when the compiler does not turn this into a tail
call.
(cherry picked from commit fc5ad7024c620cdfe9b76e94638aac83b99c5bf8)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 21 +++++++++++++
nptl/Makefile | 6 ++-
nptl/pt-longjmp.c | 31 ++++++-------------
nptl/pt-system.c | 24 +++++----------
.../lcong48.c => nptl/tst-compat-forwarder-mod.c | 10 ++++--
.../tst-compat-forwarder.c | 23 ++++++--------
sysdeps/unix/sysv/linux/s390/pt-longjmp.c | 4 +-
7 files changed, 61 insertions(+), 58 deletions(-)
copy stdlib/lcong48.c => nptl/tst-compat-forwarder-mod.c (77%)
copy math/test-fe-snans-always-signal.c => nptl/tst-compat-forwarder.c (67%)
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Subject: [Bug nptl/19861] libpthread IFUNC resolver for fork can lead to crash
Date: Tue, 21 Nov 2017 21:16:00 -0000
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commit 0e6f64d9d04a9a26a048d1fb1bf1ebdb6739c5af
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Aug 8 17:44:32 2017 +0200
Add test for bug 21041
(cherry picked from commit 40c06a3d0450365e9675fe26f34fc56ce8497325)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06e775f4646f823cb858f50258bbe5a6f1e6bbe1
commit 06e775f4646f823cb858f50258bbe5a6f1e6bbe1
Author: Andreas Schwab <schwab@suse.de>
Date: Wed Aug 9 10:36:08 2017 +0200
Fix s390 version of pt-longjmp.c
(cherry picked from commit 5797b410a87f6f6f6d3661d730fac320cbd5f270)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8182ccd9b8f9e6474712ddc904930e150f96da36
commit 8182ccd9b8f9e6474712ddc904930e150f96da36
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Aug 8 16:21:58 2017 +0200
Don't use IFUNC resolver for longjmp or system in libpthread (bug 21041)
Unlike the vfork forwarder and like the fork forwarder as in bug 19861,
there won't be a problem when the compiler does not turn this into a tail
call.
(cherry picked from commit fc5ad7024c620cdfe9b76e94638aac83b99c5bf8)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 21 +++++++++++++
nptl/Makefile | 6 ++-
nptl/pt-longjmp.c | 31 ++++++-------------
nptl/pt-system.c | 24 +++++----------
.../lcong48.c => nptl/tst-compat-forwarder-mod.c | 10 ++++--
.../tst-compat-forwarder.c | 23 ++++++--------
sysdeps/unix/sysv/linux/s390/pt-longjmp.c | 4 +-
7 files changed, 61 insertions(+), 58 deletions(-)
copy stdlib/lcong48.c => nptl/tst-compat-forwarder-mod.c (77%)
copy math/test-fe-snans-always-signal.c => nptl/tst-compat-forwarder.c (67%)
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/15537] lv_LV: invalid collation for Latvian diacritical letters
Date: Wed, 22 Nov 2017 05:05:00 -0000
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commit 4b7af5fca7db9fe1f4c078c57f20a08e2a1e2404
Author: Mike FABIAN <mfabian@redhat.com>
Date: Fri Nov 17 10:54:52 2017 +0100
lv_LV locale: fix collation [BZ #15537]
[BZ #15537]
* localedata/locales/lv_LV (LC_COLLATE): Fix collation by
using “copy "iso14651_t1"” and then implementing the
collation rules for lv from CLDR on top of that.
* Makefile: Add lv_LV.UTF-8 to test-input and to the list
of locales to be built for testing.
* lv_LV.UTF-8.in: New file with test data to test the Latvian
sorting.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 +
localedata/Makefile | 4 +-
localedata/locales/lv_LV | 2107 +-------------------------------------------
localedata/lv_LV.UTF-8.in | 105 +++
4 files changed, 166 insertions(+), 2061 deletions(-)
create mode 100644 localedata/lv_LV.UTF-8.in
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Subject: [Bug localedata/15537] lv_LV: invalid collation for Latvian diacritical letters
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #5 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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>From glibc-bugs-return-39890-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 06:03:35 2017
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22473] New: Suggestion: Introduce en_EU locale
Date: Wed, 22 Nov 2017 06:03:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22473
Bug ID: 22473
Summary: Suggestion: Introduce en_EU locale
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: digitalfreak at lingonborough dot com
CC: libc-locales at sourceware dot org
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Following the previous discussion on the alpha mailing list [1] I suggest to
introduce en_EU locale. It should be useful for the people who live in
non-English speaking European countries but want to use the English user
interface having their local settings for other things like metric system,
paper size, etc. So far workaround solutions have been used like en_SE, en_DK,
en_NL, also used in other countries. The en_EU locale would mean a generic
European locale without favoring one or few countries. ISO currently marks EU
country code as exceptionally reserved for European Union [2] which is kinda
good but my initial idea was that EU may mean both European Union and whole
Europe (including also non-EU countries). The yesexpr and noexpr entries should
include the Y/N answers for as many languages as possible.
The idea is not to drop en_DK immediately although these locales can use "copy
en_EU" if it makes sense.
[1] https://sourceware.org/ml/libc-alpha/2017-08/msg00308.html
[2] https://www.iso.org/obp/ui/
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>From glibc-bugs-return-39891-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 08:58:02 2017
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Subject: [Bug localedata/19956] ssy_ER: rename from aa_ER@saaho
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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| |com
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>From glibc-bugs-return-39892-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 10:23:44 2017
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22476] New: Suggestion: Drop the "@euro" locales
Date: Wed, 22 Nov 2017 10:23:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22476
Bug ID: 22476
Summary: Suggestion: Drop the "@euro" locales
Product: glibc
Version: unspecified
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Priority: P2
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I suggest to drop all @euro locales because they are currently not different
than their non-@euro counterparts. I guess historically it was needed to have
two versions of some locales when euro currency has been introduced but the
previous currencies were still in use. Currently all old currencies have been
dropped completely and replaced by euro even in non-@euro locales.
On the other hand, those @euro locales serve one purpose: the default code page
for ex. de_DE is ISO-8859-1 while for de_DE@euro the default code page is
ISO-8859-15. (Note that most of the current systems use UTF-8 so the old 8-bit
encodings have limited use.) So probably what actually should be done is:
* drop the *@euro source files,
* drop the @euro locales from SUPPORTED,
* add ISO-8859-15 encodings to SUPPORTED (this mostly will mean rename "@euro"
to ".ISO-8859-15"),
* add aliases: *@euro to *.ISO-8859-15 so the systems which refer to the @euro
locales still work and do not need to switch to ISO-8859-15 explicitly.
Note that in ISO-8859-1 locales the "€" symbol is transliterated to "EUR".
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>From glibc-bugs-return-39893-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 10:33:37 2017
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Subject: [Bug build/22477] New: Unknown type name ' __uint128_t'
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Bug ID: 22477
Summary: Unknown type name ' __uint128_t'
Product: glibc
Version: 2.26
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Created attachment 10628
--> https://sourceware.org/bugzilla/attachment.cgi?id=10628&action=edit
It is screenshot of error while making glibc
I am on android 5.1 kernel 3.10.65+ aarch64
I am trying to compile glibc in Kali Nethunter but when I executed make then an
error was came , error is given in screenshot
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>From glibc-bugs-return-39894-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 13:42:13 2017
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Subject: [Bug build/22477] Unknown type name ' __uint128_t'
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
All GCC versions supported for building glibc support the __uint128_t type on
64-bit systems, so you must be building with an unsupported compiler. Please
work with the libc-help mailing list on understanding the problems with your
build environment and why configure didn't detect them. You'll need to post
information such as the complete output of the configure script (text, not
image) and the options passed to it, and probably the contents of config.log.
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>From glibc-bugs-return-39895-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 15:39:39 2017
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Subject: [Bug localedata/22473] Suggestion: Introduce en_EU locale
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>From glibc-bugs-return-39896-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 15:41:40 2017
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Subject: [Bug localedata/22476] Suggestion: Drop the "@euro" locales
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>From glibc-bugs-return-39897-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 15:42:20 2017
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Subject: [Bug build/22447] unsafe call to strlen with a non-string in getlogin_r.c
Date: Wed, 22 Nov 2017 18:45:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22447
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4bae615022cb5a5da79ccda83cc6c9ba9f2d479c
commit 4bae615022cb5a5da79ccda83cc6c9ba9f2d479c
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Nov 22 18:44:23 2017 +0000
Avoid use of strlen in getlogin_r (bug 22447).
Building glibc with current mainline GCC fails, among other reasons,
because of an error for use of strlen on the nonstring ut_user field.
This patch changes the problem code in getlogin_r to use __strnlen
instead. It also needs to set the trailing NUL byte of the result
explicitly, because of the case where ut_user does not have such a
trailing NUL byte (but the result should always have one).
Tested for x86_64. Also tested that, in conjunction with
<https://sourceware.org/ml/libc-alpha/2017-11/msg00797.html>, it fixes
the build for arm with mainline GCC.
[BZ #22447]
* sysdeps/unix/getlogin_r.c (__getlogin_r): Use __strnlen not
strlen to compute length of ut_user and set trailing NUL byte of
result explicitly.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/unix/getlogin_r.c | 5 +++--
2 files changed, 10 insertions(+), 2 deletions(-)
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>From glibc-bugs-return-39899-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 18:45:51 2017
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Subject: [Bug build/22447] unsafe call to strlen with a non-string in getlogin_r.c
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.27.
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>From glibc-bugs-return-39900-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 18:53:49 2017
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From: "schwab@linux-m68k.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22473] Suggestion: Introduce en_EU locale
Date: Wed, 22 Nov 2017 18:53:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Which of the several European local settings are "generic"? If you only want
English messages you can already use LC_MESSAGES.
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>From glibc-bugs-return-39901-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 19:18:50 2017
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Subject: [Bug localedata/22473] Suggestion: Introduce en_EU locale
Date: Wed, 22 Nov 2017 19:18:00 -0000
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Egmont Koblinger <egmont at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |egmont at gmail dot com
--- Comment #2 from Egmont Koblinger <egmont at gmail dot com> ---
Some aspects sound quite problematic to me.
What should be the decimal separator, the first day of the week, the currency
etc. (let alone a few less important ones e.g. phone prefix, postal format)?
To second Andreas's point, what are the desired use cases to which setting
separate LC_whatever variables isn't sufficient currently? Would an en_EU then
be definitely sufficient for all these kinds of requests? Wouldn't something
else, e.g. improving the way users could generate their own locales (tools,
docs) a better solution?
If en_EU is added then shouldn't there be a fr_EU, de_EU etc., for ... for
which languages exactly?
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Subject: [Bug libc/22478] New: sigwait can fail with EINTR
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Bug ID: 22478
Summary: sigwait can fail with EINTR
Product: glibc
Version: 2.26
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Severity: normal
Priority: P2
Component: libc
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Since
commit 8b0e795aaa445e9167aa07b282c5720b35342c07
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Nov 1 11:49:05 2017 -0200
Simplify Linux sig{timed}wait{info} implementations
sigwait can fail with EINTR. Applications do not expect that, and the error
code is not documented in POSIX or the manual pages.
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>From glibc-bugs-return-39903-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 19:26:20 2017
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Subject: [Bug libc/22478] sigwait can fail with EINTR
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
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Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
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>From glibc-bugs-return-39904-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 19:38:24 2017
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Subject: [Bug libc/22478] sigwait can fail with EINTR
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
The new -1 return value for errors is incorrect as well.
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>From glibc-bugs-return-39905-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 20:37:09 2017
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Subject: [Bug libc/22478] sigwait can fail with EINTR
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Andreas Schwab <schwab@linux-m68k.org> changed:
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----------------------------------------------------------------------------
Version|2.26 |2.27
--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
8b0e795aaa445e9167aa07b282c5720b35342c07 is not in 2.26.
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>From glibc-bugs-return-39906-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 22 20:41:57 2017
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Subject: [Bug libc/22478] sigwait can fail with EINTR
Date: Wed, 22 Nov 2017 20:41:00 -0000
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #2)
> 8b0e795aaa445e9167aa07b282c5720b35342c07 is not in 2.26.
Correct, my mistake. This bug is currently present on master only.
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From: "375gnu at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/1015] be_BY@tarask: new locale
Date: Wed, 22 Nov 2017 21:47:00 -0000
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--- Comment #27 from Hleb Valoshka <375gnu at gmail dot com> ---
I absolutely disagree with such bug treatment. Although Ihar does not use it
this does not mean that nobody else uses it.
Of course it no easy to properly work with @tarask locale variant (incorrect
spelling of some strings etc) because the bug was opened 12 (TWELVE!) years ago
without any actions from glibc maintainers.
This is a trivial case, this is not posting glibc to brand new kernel. It's
just a locale definitions, it's attached, what prevents glibc maintainers to
simply copy it into source tree?
Is this how communication with community should be handled?
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22463] p_secstodate overflow handling
Date: Wed, 22 Nov 2017 22:13:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f120cda6072d830df92656dad0c89967547b97dc
commit f120cda6072d830df92656dad0c89967547b97dc
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Nov 22 22:12:07 2017 +0000
Fix p_secstodate overflow handling (bug 22463).
The resolv/res_debug.c function p_secstodate (which is a public
function exported from libresolv, taking an unsigned long argument)
does:
struct tm timebuf;
time = __gmtime_r(&clock, &timebuf);
time->tm_year += 1900;
time->tm_mon += 1;
sprintf(output, "%04d%02d%02d%02d%02d%02d",
time->tm_year, time->tm_mon, time->tm_mday,
time->tm_hour, time->tm_min, time->tm_sec);
If __gmtime_r returns NULL (because the year overflows the range of
int), this will dereference a null pointer. Otherwise, if the
computed year does not fit in four characters, this will cause a
buffer overrun of the fixed-size 15-byte buffer. With current GCC
mainline, there is a compilation failure because of the possible
buffer overrun.
I couldn't find a specification for how this function is meant to
behave, but Paul pointed to RFC 4034 as relevant to the cases where
this function is called from within glibc. The function's interface
is inherently problematic when dates beyond Y2038 might be involved,
because of the ambiguity in how to interpret 32-bit timestamps as such
dates (the RFC suggests interpreting times as being within 68 years of
the present date, which would mean some kind of interface whose
behavior depends on the present date).
This patch works on the basis of making a minimal fix in preparation
for obsoleting the function. The function is made to handle times in
the interval [0, 0x7fffffff] only, on all platforms, with <overflow>
used as the output string in other cases (and errno set to EOVERFLOW
in such cases). This seems to be a reasonable state for the function
to be in when made a compat symbol by a future patch, being compatible
with any existing uses for existing timestamps without trying to work
for later timestamps. Results independent of the range of time_t also
simplify the testcase.
I couldn't persuade GCC to recognize the ranges of the struct tm
fields by adding explicit range checks with a call to
__builtin_unreachable if outside the range (this looks similar to
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80776>), so having added
a range check on the input, this patch then disables the
-Wformat-overflow= warning for the sprintf call (I prefer that to the
use of strftime, as being more transparently correct without knowing
what each of %m and %M etc. is).
I do not know why this build failure should be new with mainline GCC
(that is, I don't know what GCC change might have introduced it, when
the basic functionality for such warnings was already in GCC 7).
I do not know if this is a security issue (that is, if there are
plausible ways in which a date before -999 or after 9999 from an
untrusted source might end up in this function). The system clock is
arguably an untrusted source (in that e.g. NTP is insecure), but
probably not to that extent (NTP can't communicate such wild
timestamps), and uses from within glibc are limited to 32-bit inputs.
Tested with build-many-glibcs.py that this restores the build for arm
with yesterday's mainline GCC. Also tested for x86_64 and x86.
[BZ #22463]
* resolv/res_debug.c: Include <libc-diag.h>.
(p_secstodate): Assert time_t at least as wide as u_long. On
overflow, use integer seconds since the epoch as output, or use
"<overflow>" as output and set errno to EOVERFLOW if integer
seconds since the epoch would be 14 or more characters.
(p_secstodate) [__GNUC_PREREQ (7, 0)]: Disable -Wformat-overflow=
for sprintf call.
* resolv/tst-p_secstodate.c: New file.
* resolv/Makefile (tests): Add tst-p_secstodate.
($(objpfx)tst-p_secstodate): Depend on $(objpfx)libresolv.so.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++
resolv/Makefile | 2 +
resolv/res_debug.c | 24 +++++++++++++++-
resolv/tst-p_secstodate.c | 67 +++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 104 insertions(+), 1 deletions(-)
create mode 100644 resolv/tst-p_secstodate.c
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Subject: [Bug network/22463] p_secstodate overflow handling
Date: Wed, 22 Nov 2017 22:14:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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Fixed for 2.27.
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From: "faure at kde dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22479] New: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process (race condition)
Date: Wed, 22 Nov 2017 22:55:00 -0000
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Bug ID: 22479
Summary: check_pf caches "ipv6 seen, ipv4 not seen" and any DNS
lookup fails until restarting the process (race
condition)
Product: glibc
Version: 2.22
Status: UNCONFIRMED
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Component: network
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Reporter: faure at kde dot org
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Created attachment 10629
--> https://sourceware.org/bugzilla/attachment.cgi?id=10629&action=edit
patch for debug output
Context:
a laptop running OpenSuSE, boots into Plasma5 which restores the session
(including firefox and kmail) and meanwhile networkmanager brings up WiFi using
DHCP.
Symptoms:
- Firefox keeps saying "Server Not Found" for any host, and hitting Reload
makes no difference. Only restarting Firefox makes it work again.
- KMail does not fetch any new mail, and any click on "Synchronize" says "the
resource needs to be made online, do you accept?". Then nothing happens, and if
I try again, the same thing happens, i.e. the resource doesn't actually manage
to go online. Only restarting the resource (or akonadi) fixes it.
Investigation:
These processes are attempting to connect sockets while the network is being
brought up.
What happens often is that wlan0 gets a link-local IPv6 address immediately
(fe80::a634:d9ff:fecc:1451/64 in my case) while the IPv4 address only comes in
later, when the DHCP server sends it. So for a little while we have v6=yes
v4=no, locally.
Now the problem is that glibc's make_request() method in
sysdeps/unix/sysv/linux/check_pf.c caches this information (see line 268)
result->seen_ipv4 = seen_ipv4;
result->seen_ipv6 = true;
So from now on, __check_pf won't even call make_request anymore, it simply uses
the cache and returns "v6=yes, v4=no", which therefore narrows all DNS queries
to ipv6. This makes everything fail when the rest of local network seems to
really only support ipv4.
There is a cache invalidation mechanism with nl_timestamp, but I failed to see
what is supposed to increment that, it's always 1 for me, whatever I try.
The attached patch adds a ton of debug output to glibc, and shows how I found
all of the above information.
The output when things fail is the following:
(pid 12904) check_pf: cache not valid (cache->timestamp=0), made PF_NETLINK
socket 48
(pid 12904) seen non-loopback ipv6: host=fe80::a634:d9ff:fecc:1451, serv=0
(pid 12904) __nscd_get_nl_timestamp: returning 1 from
NSCD_HST_IDX_CONF_TIMESTAMP
(pid 12904) ipv6 seen ==> storing seen_ipv4=0 into cached data, timestamp=1
(pid 12904) WARNING, CACHING IPv4=false IPv6=true, THIS IS BAD
(pid 12904) data from PF_NETLINK socket port id cf1efdff says seen_ipv4=false
seen_ipv6=true!
(pid 12904) Narrowed search for www.opensuse.org to ipv6
(pid 12904) __nscd_get_nl_timestamp: returning 1 from
NSCD_HST_IDX_CONF_TIMESTAMP
(pid 12904) check_pf: cache valid, and cached data says seen_ipv4=false!
Additional thoughts:
* why doesn't this happen to everyone?
The race condition only happens when using pam_kwallet5.so, so that
networkmanager can autoconnect to the wifi during the session-restoring.
Without pam_kwallet, the apps start first (and fail to load anything), while
the network-manager applet waits for the user to type in their kwallet password
before being able to connect to the wifi, so no race.
I have seen the same issue in other situations than session startup though,
e.g. when suspending the laptop and restoring it in a different wifi, in which
case the kwallet password is available and network-manager will drop the ipv4
address (but not the link-local ipv6 one) before getting a new ipv4 address via
DHCP. But it's harder to trigger the race there, since it requires an app to
try to connect to a host during that short time frame before the new ipv4
address comes in.
* possible solutions:
Should we only cache results when both ipv4 and ipv6 were found? There's no
caching when neither is found, so it's already the case that every query can
call check_pf's make_request().
Or the nl_timestamp mechanism has to be fixed...
* side bug:
My debug output sometimes indicates
(pid 8536) ERROR wait_on_socket 211 returned 0 or negative
(pid 8536) ERROR: nscd not running or wrong version. __nss_not_use_nscd_hosts =
1
which leads to no caching (no nscd) for the next 100 requests.
Let me know if I should dig further into why this happens.
(And confusingly, when that happens, check_pf is "caching" its results with a
timestamp of 0, which effectively means that cache cannot possibly be used).
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22476] Suggestion: Drop the "@euro" locales
Date: Wed, 22 Nov 2017 23:26:00 -0000
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Chris Leonard <cjlhomeaddress at gmail dot com> changed:
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----------------------------------------------------------------------------
CC| |cjlhomeaddress at gmail dot com
--- Comment #1 from Chris Leonard <cjlhomeaddress at gmail dot com> ---
Sounds reasonable to me. If you can predict what happens with Brexit we can
make a mint on currency speculation. cjl
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Subject: [Bug localedata/1015] be_BY@tarask: new locale
Date: Wed, 22 Nov 2017 23:38:00 -0000
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--- Comment #28 from Chris Leonard <cjlhomeaddress at gmail dot com> ---
If a Unicode CLDR locale variant is existing, I think that glibc will
absolutely follow suit. The simple reality is that the glibc project is
primarily a collection of C-hackers and not linguists. The Unicode CLDR effort
has a deeper bench of linguistic experience by virtue of developing Unicode
representation. I personally volunteer my own efforts to assist in developing
the CLDR locale (at least the translated bits) in support of a minority
language community, but I don't think making glibc intervene on internicene
conflicts is very productive. I can offer Pootle hosting of PO files
representing CLDR regions, languages and scripts to assist a team in developing
the core bits of a CLDR locale. Actions will speak much louder than ticket
comments.
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Subject: [Bug localedata/1015] be_BY@tarask: new locale
Date: Wed, 22 Nov 2017 23:53:00 -0000
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--- Comment #29 from Chris Leonard <cjlhomeaddress at gmail dot com> ---
To start on a CLDR locale for be@tarask
Register as a translator here:
https://translate.sugarlabs.org/accounts/register/
Work on these three CLDR related PO files. conveniently including Wikipedia
links for those who are not geographers, linguists or orthographers.
https://translate.sugarlabs.org/be@tarask/
When that is done we'll work on getting the rest of the Unicode CLDR Survey
tool completed (plural forms, etc.)
You have my personal commitment of support in trying to develop a CLDR locale
for be@tarask, as Sugar Labs Translation Team coordinator I work with many
digitally disadvantaged languages and firmly believe in linguistic
self-determination.
Does that sound like a fair alternative to making C-hackers get involved in an
internal Belarusinan issue?
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Subject: [Bug build/22477] Unknown type name ' __uint128_t'
Date: Thu, 23 Nov 2017 04:15:00 -0000
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Auxilus <lpandey112233 at gmail dot com> changed:
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--- Comment #2 from Auxilus <lpandey112233 at gmail dot com> ---
First of all thnx Joseph for your reply
Click on pastebin link to see all required things like configure script output
, config.log output and make error.
I can't paste here my frst account got blocked due to spam...that's why I am
giving pastebin link
Link :-----> https://pastebin.com/NkUDd1Gp
Please help...
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>From glibc-bugs-return-39915-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 10:22:49 2017
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Subject: [Bug libc/22478] sigwait can fail with EINTR
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cccb6d4e87053ed63c74aee063fa84eb63ebf7b8
commit cccb6d4e87053ed63c74aee063fa84eb63ebf7b8
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Nov 23 11:20:53 2017 +0100
sigwait: Do not fail with EINTR and return error code [BZ #22478]
Since
commit 8b0e795aaa445e9167aa07b282c5720b35342c07
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Nov 1 11:49:05 2017 -0200
Simplify Linux sig{timed}wait{info} implementations
sigwait can fail with EINTR. Applications do not expect that, and the
error code is not documented in POSIX or the manual pages.
This commit restores the previous behavior by retrying the system call
on EINTR. It also returns the error code, not -1, on the remaing
errors.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++
signal/Makefile | 4 +-
signal/tst-sigwait-eintr.c | 85 +++++++++++++++++++++++++++++++++++++
sysdeps/unix/sysv/linux/sigwait.c | 11 ++++-
4 files changed, 104 insertions(+), 4 deletions(-)
create mode 100644 signal/tst-sigwait-eintr.c
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Subject: [Bug libc/22478] sigwait can fail with EINTR
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--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27. Bug was introduced during 2.27 development, so no backports.
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/1015] be_BY@tarask: new locale
Date: Thu, 23 Nov 2017 10:34:00 -0000
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--- Comment #30 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Hleb Valoshka from comment #27)
> I absolutely disagree with such bug treatment. Although Ihar does not use it
> this does not mean that nobody else uses it.
If there are people who really want to use it today, we will add it.
> Of course it no easy to properly work with @tarask locale variant (incorrect
> spelling of some strings etc) because the bug was opened 12 (TWELVE!) years
> ago without any actions from glibc maintainers.
We are trying to improve, Rafał and me are currently going through the list
of open bugs related to locales and try to work through that backlog.
> This is a trivial case, this is not posting glibc to brand new kernel. It's
> just a locale definitions, it's attached, what prevents glibc maintainers to
> simply copy it into source tree?
Adding locales is not without cost, each locale needs about 2 MB in
the binary. Some distributions still install all available locales
always by default (for example openSUSE and Fedora do
this). Therefore, having more locales will make the default install
larger. That is OK for locales which are used by some people, but
adding stuff which nobody uses makes no sense.
And it is sometimes hard for us to figure out whether there are
really any users or not, especially for old bug reports where there
was no activity for a few years.
As Chris Leonard writes, if a locales exists in CLDR, this is also
an indication that it is really used by somebody.
Recently I added a ca_ES.utf8@valencia locale, there I also had
some doubts first whether there are people really interested in using this.
But when I saw that ca_ES_VALENCIA.xml exists in CLDR, I thought:
“OK, this proves that there is real user interest in that locale”.
> Is this how communication with community should be handled?
We want to be nice to the community, but it is sometimes hard for
us to find out which language communities are really active
and which are not.
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22469] pl_PL LC_COLLATE does not use i18n
Date: Thu, 23 Nov 2017 10:42:00 -0000
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--- Comment #1 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Created attachment 10630
--> https://sourceware.org/bugzilla/attachment.cgi?id=10630&action=edit
0001-pl_PL-locale-Base-collation-on-iso14651_t1.patch
This patch uses “copy "iso14651_t1"”
and then implements the collatin rules for Polish from CLDR on top of that,
see:
https://unicode.org/cldr/trac/browser/trunk/common/collation/pl.xml
And, it also adds some rules to handle spaces in order not
to cause a regression for bug#388, see:
https://sourceware.org/bugzilla/show_bug.cgi?id=388
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https://sourceware.org/bugzilla/show_bug.cgi?id=22482
Bug ID: 22482
Summary: user.h on aarch64 or arm64 fails due to __uint128_t
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: lpandey112233 at gmail dot com
CC: carlos at redhat dot com
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../sysdeps/unix/sysv/linux/aarch64/sys/user.h:32:3: error: unknown type name
'__uint128_t'
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Subject: [Bug build/22484] New: user.h on aarch64 or arm64 fails due to __uint128_t
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https://sourceware.org/bugzilla/show_bug.cgi?id=22484
Bug ID: 22484
Summary: user.h on aarch64 or arm64 fails due to __uint128_t
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: build
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Subject: [Bug build/22483] New: user.h on aarch64 or arm64 fails due to __uint128_t
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https://sourceware.org/bugzilla/show_bug.cgi?id=22483
Bug ID: 22483
Summary: user.h on aarch64 or arm64 fails due to __uint128_t
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: lpandey112233 at gmail dot com
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Subject: [Bug build/22483] user.h on aarch64 or arm64 fails due to __uint128_t
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Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
dup
*** This bug has been marked as a duplicate of bug 22482 ***
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>From glibc-bugs-return-39923-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 13:29:53 2017
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Subject: [Bug build/22482] user.h on aarch64 or arm64 fails due to __uint128_t
Date: Thu, 23 Nov 2017 13:29:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
*** Bug 22483 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-39924-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 13:32:08 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug build/22483] user.h on aarch64 or arm64 fails due to __uint128_t
Date: Thu, 23 Nov 2017 13:32:00 -0000
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--- Comment #2 from Auxilus <lpandey112233 at gmail dot com> ---
Ohh srry ..I reported mistakenly two times :D
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>From glibc-bugs-return-39926-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 13:38:50 2017
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Subject: [Bug build/22482] user.h on aarch64 or arm64 fails due to __uint128_t
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--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
*** Bug 22484 has been marked as a duplicate of this bug. ***
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Subject: [Bug build/22484] user.h on aarch64 or arm64 fails due to __uint128_t
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----------------------------------------------------------------------------
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
.
*** This bug has been marked as a duplicate of bug 22482 ***
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>From glibc-bugs-return-39927-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 13:44:16 2017
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Subject: [Bug libc/22459] FAIL: elf/check-localplt
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=67f36c7922fe5053549ec9aa7f60ed2c5c2d65b4
commit 67f36c7922fe5053549ec9aa7f60ed2c5c2d65b4
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Nov 23 14:08:11 2017 +0100
nss: Export nscd hash function as __nss_hash [BZ #22459]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 18 ++++++++++
include/nss.h | 14 ++++++--
nis/nis_hash.c | 65 ++++++-------------------------------
nis/rpcsvc/nislib.h | 1 -
nscd/Makefile | 4 +-
nscd/cache.c | 6 ++--
nscd/nscd_hash.c | 19 -----------
nscd/nscd_hash.h | 21 ------------
nscd/nscd_helper.c | 5 +--
nss/Makefile | 2 +-
nss/Versions | 1 +
nis/nis_hash.c => nss/nss_hash.c | 65 ++++++++++++++++++++------------------
12 files changed, 83 insertions(+), 138 deletions(-)
delete mode 100644 nscd/nscd_hash.c
delete mode 100644 nscd/nscd_hash.h
copy nis/nis_hash.c => nss/nss_hash.c (67%)
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>From glibc-bugs-return-39928-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 13:44:37 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/22459] FAIL: elf/check-localplt
Date: Thu, 23 Nov 2017 13:44:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |fweimer at redhat dot com
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Target Milestone|--- |2.27
Flags| |security-
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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>From glibc-bugs-return-39929-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 13:46:40 2017
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Subject: [Bug libc/22459] FAIL: elf/check-localplt with __stack_chk_fail related to __nscd_hash/__nss_hash
Date: Thu, 23 Nov 2017 13:46:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|FAIL: elf/check-localplt |FAIL: elf/check-localplt
| |with __stack_chk_fail
| |related to
| |__nscd_hash/__nss_hash
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>From glibc-bugs-return-39930-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 14:49:27 2017
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Subject: [Bug network/22479] check_pf caches "ipv6 seen, ipv4 not seen" and any DNS lookup fails until restarting the process (race condition)
Date: Thu, 23 Nov 2017 14:49:00 -0000
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>From glibc-bugs-return-39931-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 14:50:18 2017
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Subject: [Bug build/22477] Unknown type name ' __uint128_t'
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>From glibc-bugs-return-39933-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 14:50:59 2017
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Subject: [Bug network/22463] p_secstodate overflow handling
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>From glibc-bugs-return-39932-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 14:50:34 2017
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Subject: [Bug localedata/22473] Suggestion: Introduce en_EU locale
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>From glibc-bugs-return-39935-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 14:51:33 2017
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>From glibc-bugs-return-39934-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 14:51:12 2017
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Subject: [Bug build/22447] unsafe call to strlen with a non-string in getlogin_r.c
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>From glibc-bugs-return-39936-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 14:55:12 2017
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>From glibc-bugs-return-39937-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 16:37:59 2017
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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/22477] Unknown type name ' __uint128_t'
Date: Thu, 23 Nov 2017 16:37:00 -0000
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--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
You're trying to build an aarch64 glibc with an arm compiler. That can't
possibly work. Please use the libc-help mailing list, not Bugzilla, for
any further questions about how to build glibc.
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>From glibc-bugs-return-39939-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 16:39:34 2017
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Subject: [Bug build/22477] Unknown type name ' __uint128_t'
Date: Thu, 23 Nov 2017 16:39:00 -0000
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--- Comment #4 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
*** Bug 22482 has been marked as a duplicate of this bug. ***
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>From glibc-bugs-return-39938-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 16:39:33 2017
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Subject: [Bug build/22482] user.h on aarch64 or arm64 fails due to __uint128_t
Date: Thu, 23 Nov 2017 16:39:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #3 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Using a compiler for the wrong architecture. Please use the libc-help mailing
list, not Bugzilla, until you have a working environment for building glibc
that has been confirmed as correct by people on that list.
*** This bug has been marked as a duplicate of bug 22477 ***
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>From glibc-bugs-return-39940-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 17:25:08 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/22477] Unknown type name ' __uint128_t'
Date: Thu, 23 Nov 2017 17:25:00 -0000
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--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
For the record, the key piece of information from the pastebin is this:
Configured with: ../src/configure -v --with-pkgversion='Debian 7.2.0-12'
--with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs
--enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++ --prefix=/usr
--with-gcc-major-version-only --program-suffix=-7
--program-prefix=arm-linux-gnueabihf- --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-libitm
--disable-libquadmath --enable-plugin --enable-default-pie --with-system-zlib
--with-target-system-zlib --enable-objc-gc=auto --enable-multiarch
--disable-sjlj-exceptions --with-arch=armv7-a --with-fpu=vfpv3-d16
--with-float=hard --with-mode=thumb --disable-werror --enable-checking=release
--build=arm-linux-gnueabihf --host=arm-linux-gnueabihf
--target=arm-linux-gnueabihf
Which shows the compiler used by the user is a "arm-linux-gnueabihf" 32-bit ARM
compiler, and the user is trying to use this to compile a 64-bit AArch64 glibc.
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>From glibc-bugs-return-39941-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 17:29:01 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug build/22477] Unknown type name ' __uint128_t'
Date: Thu, 23 Nov 2017 17:29:00 -0000
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--- Comment #6 from Auxilus <lpandey112233 at gmail dot com> ---
It means that Kali Nethunter can only compile glibc for arm not aarch64 or
arm64
?
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>From glibc-bugs-return-39942-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 17:38:16 2017
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From: "carlos at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/22477] Unknown type name ' __uint128_t'
Date: Thu, 23 Nov 2017 17:38:00 -0000
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--- Comment #7 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Auxilus from comment #6)
> It means that Kali Nethunter can only compile glibc for arm not aarch64 or
> arm64
> ?
Please ask these questions on libc-help@sourceware.org.
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>From glibc-bugs-return-39943-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 23 18:08:15 2017
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From: "lpandey112233 at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/22486] New: Macro redefinition errors
Date: Thu, 23 Nov 2017 18:08:00 -0000
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Bug ID: 22486
Summary: Macro redefinition errors
Product: glibc
Version: 2.26
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Severity: normal
Priority: P2
Component: build
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Reporter: lpandey112233 at gmail dot com
CC: carlos at redhat dot com
Target Milestone: ---
I am facing a problem of macro redefinition while building
There is no one macro redefinition error but lots of macro redefinitions
errors.
But one noticeable thing is that all macro previous definitions are in
/data/data/com.termux/usr/include/bits/posix_limits.h
I m on android 5.1 aarch64 Termux (an environment of Linux )
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Please use the libc-help mailing list until the people there tell you they are
satisfied that you have a proper environment for building glibc and that any
remaining issues you are finding are actual bugs.
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>From glibc-bugs-return-39945-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Nov 24 05:06:03 2017
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3ffc4cc1ad37fb36e419c9a3a72e1916d7d893d3
commit 3ffc4cc1ad37fb36e419c9a3a72e1916d7d893d3
Author: Mike FABIAN <mfabian@redhat.com>
Date: Mon Nov 20 17:55:33 2017 +0530
pl_PL locale: Base collation on iso14651_t1
[BZ #22469]
* localedata/locales/pl_PL (LC_COLLATE): Use “copy "iso14651_t1"”
and implement the collation rules for pl from CLDR on top of that.
* Makefile: Add pl_PL.UTF-8 to test-input and to the list
of locales to be built for testing.
* pl_PL.UTF-8.in: New file with test data to test the Polish sorting.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +
localedata/Makefile | 6 +-
localedata/locales/pl_PL | 2116 ++-------------------------------------------
localedata/pl_PL.UTF-8.in | 162 ++++
4 files changed, 231 insertions(+), 2062 deletions(-)
create mode 100644 localedata/pl_PL.UTF-8.in
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Subject: [Bug localedata/22469] pl_PL LC_COLLATE does not use i18n
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |2.27
--- Comment #3 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master
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Subject: [Bug localedata/22469] pl_PL LC_COLLATE does not use i18n
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
FIXED.
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22336] cs_CZ LC_COLLATE does not use i18n
Date: Fri, 24 Nov 2017 11:28:00 -0000
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--- Comment #1 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Created attachment 10632
--> https://sourceware.org/bugzilla/attachment.cgi?id=10632&action=edit
0001-cs_CZ-locale-Base-collation-on-iso14651_t1-BZ-22336.patch
Patch to fix the problem.
Difference in sorting of the added test file (added in the patch)
before and after applying the sorting changes of the patch:
$ diff -u cs_CZ.UTF-8.in.old cs_CZ.UTF-8.in
--- cs_CZ.UTF-8.in.old 2017-11-24 16:47:52.688348458 +0530
+++ cs_CZ.UTF-8.in 2017-11-24 16:42:08.364221944 +0530
@@ -1,7 +1,3 @@
-ȥ
-Ȥ
-ʒ
-Ʒ
a
a
a
@@ -65,7 +61,6 @@
cenných
cenným
cenou
-cH
cvrček
cz
cZ
@@ -94,8 +89,9 @@
H
hruška
ch
-CH
+cH
Ch
+CH
chřestýšům
Chřestýšům
chřipka
@@ -188,6 +184,8 @@
Z
ź
Ź
+ȥ
+Ȥ
za
Za
źa
@@ -209,6 +207,8 @@
Žb
žluva
Žluva
+ʒ
+Ʒ
0
1
1
I think "cH" was sorted completely wrong before and "CH" slightly
wrong as well. So this patch seems to not only base the Czech
LC_COLLATE implementation on the iso14651_t1 file as requested in this
bug but also improves the sorting of the uppercase/lowercase variants
of the ch digraph.
And of course it improves the sorting of some non-Czech characters
like ʒ and ȥ because these were not handled at all in the old
Czech LC_COLLATE implementation.
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Subject: [Bug libc/22457] Generic preadv/pwritev incorrectly calls __posix_memalign
Date: Fri, 24 Nov 2017 14:17:00 -0000
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Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |adhemerval.zanella at linaro dot o
| |rg
Target Milestone|--- |2.27
--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
Fixed by c45d78aac47db08bc8ea7641c5330cccaecd3ddb
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Subject: [Bug libc/22457] Generic preadv/pwritev incorrectly calls __posix_memalign
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c45d78aac47db08bc8ea7641c5330cccaecd3ddb
commit c45d78aac47db08bc8ea7641c5330cccaecd3ddb
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Nov 22 18:02:20 2017 -0200
posix: Fix generic p{read,write}v buffer allocation (BZ#22457)
As described in BZ#22457 an interpose malloc can free an invalid
pointer for fallback preadv implementation. Fortunately this is
just and issue on microblaze-linux-gnu running kernels older than
3.15. This patch fixes it by calling mmap/unmap instead of
posix_memalign/ free.
Checked on microblaze-linux-gnu check with run-built-tests=no and
by using the sysdeps/posix implementation on x86_64-linux-gnu (just
for sanity test where it shown no regression).
[BZ #22457]
* sysdeps/posix/preadv_common.c (PREADV): Use mmap/munmap instead of
posix_memalign/free.
* sysdeps/posix/pwritev_common.c (PWRITEV): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
sysdeps/posix/preadv_common.c | 8 +++++---
sysdeps/posix/pwritev_common.c | 8 +++++---
3 files changed, 17 insertions(+), 6 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Fri, 24 Nov 2017 15:18:00 -0000
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This is an automated email from the git hooks/post-receive script. It was
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The branch, hjl/pie/static has been created
at 6e0a8fd45ef08e042d559d9a96680029cde88856 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6e0a8fd45ef08e042d559d9a96680029cde88856
commit 6e0a8fd45ef08e042d559d9a96680029cde88856
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8691ce18075f22c45c6da756a5494e80641f005b
commit 8691ce18075f22c45c6da756a5494e80641f005b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d3af1968fd2ae24854aea6f128ff6d119f5055f8
commit d3af1968fd2ae24854aea6f128ff6d119f5055f8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f005372bf0db683f787bcc3e5f789eb68459309d
commit f005372bf0db683f787bcc3e5f789eb68459309d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:12:28 2017 -0700
hppa: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/hppa/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3c3204624fe5e900a50973c74fc83a4b1a6a37a1
commit 3c3204624fe5e900a50973c74fc83a4b1a6a37a1
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b004017ec0322157b4e6a9a363d1d5bb693b6718
commit b004017ec0322157b4e6a9a363d1d5bb693b6718
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7026a79c1f71f5decd135208503fd4186193ffb8
commit 7026a79c1f71f5decd135208503fd4186193ffb8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
The following changes are made for static PIE:
1. Add a new function, _dl_relocate_static_pie, to:
a. Get the run-time load address.
b. Read the dynamic section.
c. Perform dynamic relocations.
Dynamic linker also performs these steps. But static PIE doesn't load
any shared objects.
2. Call _dl_relocate_static_pie at entrance of LIBC_START_MAIN in
libc.a. crt1.o, which is used to create dynamic and non-PIE static
executables, is updated to include a dummy _dl_relocate_static_pie.
rcrt1.o is added to create static PIE, which will link in the real
_dl_relocate_static_pie. grcrt1.o is also added to create static PIE
with -pg. GCC 8 has been updated to support rcrt1.o and grcrt1.o for
static PIE.
Static PIE can work on all architectures which support PIE, provided:
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in static PIE are local functions. If PIE start.S can't reach
main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, s390 and sh.
6. __brk works without TLS nor dynamic relocations in read-only section
so that it can be used by __libc_setup_tls to initializes TLS in static
PIE.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
On x86-64, the normal static sln:
text data bss dec hex filename
625425 8284 5456 639165 9c0bd elf/sln
the static PIE sln:
text data bss dec hex filename
657626 20636 5392 683654 a6e86 elf/sln
The code size is increased by 5% and the binary size is increased by 7%.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on aarch64, i686 and x86-64.
On aarch64, binutils master branch with 2 patches:
https://sourceware.org/ml/binutils/2017-11/msg00455.html
https://sourceware.org/ml/binutils/2017-11/msg00456.html
applied is required.
build-many-glibcs.py with --enable-static-pie with all patches for static
PIE applied have many failures:
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `r' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add r$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)r$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
(_dl_get_dl_main_map): Likewise.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0663b4f5994d0817f786e54ca7a896894045b263
commit 0663b4f5994d0817f786e54ca7a896894045b263
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Nov 24 07:13:10 2017 -0800
aarch64: fix start code for static pie
with upcoming static pie patches there are three flavors of the crt startup
code:
1) crt1.o used for non-pie static linking (executable has no relocs),
2) Scrt1.o used for dynamic linking (dynamic linker relocates),
3) rcrt1.o used for static pie linking (self relocation is needed)
when crt1.o and rcrt1.o is built in the --enable-static-pie case -DPIC is
passed,
when Scrt1.o is built then -DPIC -DSHARED is passed.
(crt1.o gets a dummy _dl_relocate_static_pie that interposes the one in
libc so no self-relocation is done in that case in __libc_start_main)
the Scrt1.o code is position independent but it relies on GOT entries that
need to be relocated which happens later and the static linker cannot relax
the GOT loads, so rcrt1.o needs separate implementation.
This implementation works with .text <= 4G files, which is fine, currently
the toolchain does not support larger position independent executables.
tests pass with ld/22269 and ld/22263 binutils bugs fixed.
this patch is on top of master but assumes the static pie patches.
* sysdeps/aarch64/start.S (_start): Handle PIC && !SHARED case.
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22459] FAIL: elf/check-localplt with __stack_chk_fail related to __nscd_hash/__nss_hash
Date: Fri, 24 Nov 2017 15:19:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22459
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pr22459/master has been deleted
was 277904c8434d46999674d9b4eb2871cd0039d8f2
- Log -----------------------------------------------------------------
277904c8434d46999674d9b4eb2871cd0039d8f2 libc.so: Replace nscd_hash.os with
libc-nscd_hash.os [BZ #22459]
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Subject: [Bug localedata/22473] Suggestion: Introduce en_EU locale
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From: "s.korolev at ndmsystems dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/22489] New: gcc warns about implicit convertion in ICMP6_FILTER_SETPASS with -Wsign-conversion
Date: Fri, 24 Nov 2017 20:22:00 -0000
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Bug ID: 22489
Summary: gcc warns about implicit convertion in
ICMP6_FILTER_SETPASS with -Wsign-conversion
Product: glibc
Version: 2.26
Status: UNCONFIRMED
Severity: minor
Priority: P2
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Reporter: s.korolev at ndmsystems dot com
CC: drepper.fsp at gmail dot com
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Created attachment 10633
--> https://sourceware.org/bugzilla/attachment.cgi?id=10633&action=edit
A patch to fix
The simplest code (icmp6_test.c)
#include <stdlib.h>
#include <netinet/icmp6.h>
int main()
{
struct icmp6_filter filter;
ICMP6_FILTER_SETPASS(ND_ROUTER_ADVERT, &filter);
return EXIT_SUCCESS;
}
compiled with "gcc icmp6_test.c -Wsign-conversion" gives a warning
icmp6_test.c: In function ‘main’:
icmp6_test.c:8:2: warning: negative integer implicitly converted to unsigned
type [-Wsign-conversion]
ICMP6_FILTER_SETPASS(ND_ROUTER_ADVERT, &filter);
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Subject: [Bug dynamic-link/22370] Incorrect note padding check
Date: Sat, 25 Nov 2017 14:34:00 -0000
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit b7cfacca88269901546529445f0bb757107984b4
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Oct 31 04:51:41 2017 -0700
Properly compute offsets of note descriptor and next note [BZ #22370]
A note header has 3 4-bytes fields, followed by note name and note
descriptor. According to gABI, in a note entry, the note name field,
not note name size, is padded for the note descriptor. And the note
descriptor field, not note descriptor size, is padded for the next
note entry. Notes are aligned to 4 bytes in 32-bit objects and 8 bytes
in 64-bit objects.
For all GNU notes, the name is "GNU" which is 4 bytes. They have the
same format in the first 16 bytes in both 32-bit and 64-bit objects.
They differ by note descriptor size and note type. So far, .note.ABI-tag
and .note.gnu.build-id notes are always aligned to 4 bytes. The exsting
codes compute the note size by aligning the note name size and note
descriptor size to 4 bytes. It happens to produce the same value as
the actual note size by luck since the name size is 4 and offset of the
note descriptor is 16. But it will produce the wrong size when note
alignment is 8 bytes in 64-bit objects.
This patch defines ELF_NOTE_DESC_OFFSET and ELF_NOTE_NEXT_OFFSET to
properly compute offsets of note descriptor and next note. It uses
alignment of PT_NOTE segment to support both 4-byte and 8-byte note
alignments in 64-bit objects. To handle PT_NOTE segments with
incorrect alignment, which may lead to an infinite loop, if segment
alignment is less than 4, we treate alignment as 4 bytes.
[BZ #22370]
* elf/dl-hwcaps.c (ROUND): Removed.
(_dl_important_hwcaps): Replace ROUND with ELF_NOTE_DESC_OFFSET
and ELF_NOTE_NEXT_OFFSET.
* elf/dl-load.c (ROUND): Removed.
(open_verify): Replace ROUND with ELF_NOTE_NEXT_OFFSET.
* elf/readelflib.c (ROUND): Removed.
(process_elf_file): Replace ROUND with ELF_NOTE_NEXT_OFFSET.
* include/elf.h [!_ISOMAC]: Include <libc-pointer-arith.h>.
[!_ISOMAC] (ELF_NOTE_DESC_OFFSET): New.
[!_ISOMAC] (ELF_NOTE_NEXT_OFFSET): Likewise.
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Subject: [Bug dynamic-link/22370] Incorrect note padding check
Date: Sat, 25 Nov 2017 14:34:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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0dfdda09f7b0faef5ff166f3e4e099b20571b76c Properly compute offsets of note
descriptor and next note [BZ #22370]
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Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Sat, 25 Nov 2017 14:50:00 -0000
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Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Sat, 25 Nov 2017 14:50:00 -0000
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--- Comment #79 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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commit 5b9a7b35871fc94f42a9e0f1a034423b48d3a4e7
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Nov 24 15:58:04 2017 -0800
Add wcharP.h to hide internal wchar functions [BZ #18822]
For some targets, like i386 and s390, internal IFUNC functions must be
called via PLT with a special register. Add <wcharP.h> to allow targets,
which don't need a special register to call internal IFUNC functions via
PLT or have internal non-IFUNC wchar functions, to allow direct access to
internal wchar functions within libc.so and libc.a without using GOT nor
PLT.
Tested on i686 and x86-64. It removed 11 PLT relocations on i686 and
29 PLT relocations on x86-64.
[BZ #18822]
* include/wchar.h: Include <wcharP.h>.
* sysdeps/generic/wcharP.h: New file.
* sysdeps/i386/wcharP.h: Likewise.
* sysdeps/x86_64/wcharP.h: Likewise.
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Subject: [Bug libc/22051] zero terminator in the middle of glibc's .eh_frame
Date: Sat, 25 Nov 2017 16:37:00 -0000
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#22051]
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22149] cache.c:save_cache creates zero-size VLA
Date: Mon, 27 Nov 2017 12:10:00 -0000
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Andreas Schwab from comment #0)
> The C standard does not allow creating a VLA with zero size, but save_cache
> tries to do so when the padding is zero. This causes misbehaviour with the
> proposed -fstack-clash-protection option of gcc which assumes that it can
> always emit at least one stack probe to the allocated space.
Also seen in _nl_load_locale_from_archive and _dl_fini. GCC consensus is that
those were GCC bugs:
https://gcc.gnu.org/ml/gcc-patches/2017-11/msg01150.html
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22149] Zero-length VLAs cause probes into red zone with -fstack-clash-protection
Date: Mon, 27 Nov 2017 12:12:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at sourceware dot org |fweimer at redhat dot com
Summary|cache.c:save_cache creates |Zero-length VLAs cause
|zero-size VLA |probes into red zone with
| |-fstack-clash-protection
--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
Example valgrind traces:
==5682== Invalid write of size 8
==5682== at 0x496D5B8: _nl_load_locale_from_archive (in
/usr/lib64/libc-2.17.so)
==5682== by 0x496C7BB: _nl_find_locale (in /usr/lib64/libc-2.17.so)
==5682== by 0x496C0E3: setlocale (in /usr/lib64/libc-2.17.so)
==5682== by 0x401DEF: ??? (in /usr/sbin/wipefs)
==5682== by 0x4961533: (below main) (in /usr/lib64/libc-2.17.so)
==5682== Address 0x1fff00e778 is on thread 1's stack
==5682== 8 bytes below stack pointer
==5682== Invalid write of size 8
==5682== at 0x400E784: _dl_fini (in /usr/lib64/ld-2.17.so)
==5682== by 0x4978613: __run_exit_handlers (in /usr/lib64/libc-2.17.so)
==5682== by 0x497863B: exit (in /usr/lib64/libc-2.17.so)
==5682== by 0x4961537: (below main) (in /usr/lib64/libc-2.17.so)
==5682== Address 0x1fff00eb88 is on thread 1's stack
==5682== 8 bytes below stack pointer
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>From glibc-bugs-return-39962-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 27 17:05:15 2017
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug locale/21302] strcoll does not correctly follow locale-specified order in some cases
Date: Mon, 27 Nov 2017 17:05:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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>From glibc-bugs-return-39963-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 27 18:06:03 2017
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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/21905] snprintf is terribly slow when copying strings
Date: Mon, 27 Nov 2017 18:06:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
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--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Is the test multi-threaded? It seems that the destination buffer is shared. I
don't think this is particularly valid as a benchmark.
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>From glibc-bugs-return-39964-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 27 20:56:52 2017
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From: "aurelien at aurel32 dot net" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug libc/22505] New: ldconfig processes include directive in locale-specific order
Date: Mon, 27 Nov 2017 20:56:00 -0000
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Bug ID: 22505
Summary: ldconfig processes include directive in
locale-specific order
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: aurelien at aurel32 dot net
CC: drepper.fsp at gmail dot com
Target Milestone: ---
ldconfig supports "include" directives and use the glob function to process
them. The glob function sort entries according to the LC_COLLATE category. When
using a standard "include /etc/ld.so.conf.d/*.conf" entry in /etc/ld.so.conf,
the order therefore depends on the locale used to run ldconfig.
A few examples of locale specific order that might be disturbing compared to
the C locale:
- The et_EE locale sorts the "z" between "s" and "t".
- The cs_CZ and sk_SK locales sort the digits after the letters.
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>From glibc-bugs-return-39965-listarch-glibc-bugs=sources.redhat.com@sourceware.org Mon Nov 27 22:37:52 2017
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Subject: [Bug libc/22433] linux x86/x86_64 <sys/ptrace.h> does not provide PTRACE_GET_THREAD_AREA (and more)
Date: Mon, 27 Nov 2017 22:37:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Mark Mentovai from comment #0)
> PTRACE_GET_THREAD_AREA is missing from <sys/ptrace.h> on x86 and x86_64
> Linux.
>
> It’s provided by the kernel’s <asm/ptrace-abi.h>, and in turn by
> <linux/ptrace.h>, but these are incompatible with glibc’s <sys/ptrace.h>.
> <asm/ptrace-abi.h> offers:
>
> #define PTRACE_GET_THREAD_AREA 25
>
> Others missing (strictly Linux x86/x86_64-specific):
>
> #define PTRACE_SET_THREAD_AREA 26
>
> #ifdef __x86_64__
> # define PTRACE_ARCH_PRCTL 30
> #endif
>
> #define PTRACE_SYSEMU 31
> #define PTRACE_SYSEMU_SINGLESTEP 32
>
> #define PTRACE_SINGLEBLOCK 33 /* resume execution until next
> branch */
If the constants are present in a published upstream kernel, then what's left
is for someone to update the glibc headers to match the kernel values.
The last update was in July to remove PTRACE_SEIZE_DEVEL
(60e2846e2633a990bdf474004a373bde54c0bc5f), and before that in February to add
PTRACE_EVENT_STOP (3f67d1a7021ed3184830511636a0867faec730fe).
I don't see anything "incompatible" with the kernel and glibc headers. Work
just has to be done to synchronize them.
If the constants are machine dependent then there needs to be a split up where
the machine-dependent ptrace.h has to be provided to override the default.
Right now, nobody has done the work.
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>From glibc-bugs-return-39966-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 28 05:53:15 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/22380] Inconsistency detected by ld.so: dl-open.c: 717: _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
Date: Tue, 28 Nov 2017 05:53:00 -0000
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--- Comment #5 from Prasanth <ragaprasanth at gmail dot com> ---
Hi Florian,
Have you got any workaround on this?
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>From glibc-bugs-return-39967-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 28 09:33:57 2017
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Subject: [Bug localedata/22336] cs_CZ LC_COLLATE does not use i18n
Date: Tue, 28 Nov 2017 09:33:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f9bb1ef233f7c99312ddc3efb6bc652537e077bc
commit f9bb1ef233f7c99312ddc3efb6bc652537e077bc
Author: Mike FABIAN <mfabian@redhat.com>
Date: Fri Nov 24 15:17:18 2017 +0530
cs_CZ locale: Base collation on iso14651_t1 [BZ #22336]
[BZ #22336]
* localedata/locales/cs_CZ (LC_COLLATE): Use “copy "iso14651_t1"”
and implement the collation rules for cs from CLDR on top of that.
* Makefile: Add cs_CZ.UTF-8 to test-input and to the list
of locales to be built for testing.
* cs_CZ.UTF-8.in: New file with test data to test the Czech sorting.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
localedata/Makefile | 4 +-
localedata/cs_CZ.UTF-8.in | 228 +++++
localedata/locales/cs_CZ | 2216 ++-------------------------------------------
3 files changed, 286 insertions(+), 2162 deletions(-)
create mode 100644 localedata/cs_CZ.UTF-8.in
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>From glibc-bugs-return-39968-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 28 11:21:13 2017
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Subject: [Bug network/20826] posix/tst-getaddrinfo5 fails on hosts without network access
Date: Tue, 28 Nov 2017 11:21:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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commit b4c645c2f5513ef4f97916ee59243aa8aac1f3c1
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Nov 28 12:20:01 2017 +0100
posix: Make tst-getaddrinfo[45] xtests due to DNS dependency [BZ #20826]
These tests need a working Internet connection with DNS.
We have additional coverage of getaddrinfo through the resolv tests, so
the loss of default test coverage seems acceptable.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++++
posix/Makefile | 6 +++---
2 files changed, 12 insertions(+), 3 deletions(-)
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
Fixed for 2.27.
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Subject: [Bug malloc/21754] malloc: Perform as little work as possible after heap consistency check failures
Date: Tue, 28 Nov 2017 14:11:00 -0000
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The branch, release/2.26/master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f312f235d535fac5c3ff2b0aa7cacb1958aa4529
commit f312f235d535fac5c3ff2b0aa7cacb1958aa4529
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Tue Nov 28 19:16:19 2017 +0530
Add single-threaded path to _int_malloc
This patch adds single-threaded fast paths to _int_malloc.
* malloc/malloc.c (_int_malloc): Add SINGLE_THREAD_P path.
(cherry-picked 905a7725e9157ea522d8ab97b4c8b96aeb23df54)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3664f34346f26cd40f11ede0440af7b915d1086f
commit 3664f34346f26cd40f11ede0440af7b915d1086f
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Tue Oct 24 12:39:24 2017 +0100
Add single-threaded path to malloc/realloc/calloc/memalloc
This patch adds a single-threaded fast path to malloc, realloc,
calloc and memalloc. When we're single-threaded, we can bypass
arena_get (which always locks the arena it returns) and just use
the main arena. Also avoid retrying a different arena since
there is just the main arena.
* malloc/malloc.c (__libc_malloc): Add SINGLE_THREAD_P path.
(__libc_realloc): Likewise.
(_mid_memalign): Likewise.
(__libc_calloc): Likewise.
(cherry-picked 3f6bb8a32e5f5efd78ac08c41e623651cc242a89)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fe161827c50804fcd5a62c88d19c4d97d6ce2b8d
commit fe161827c50804fcd5a62c88d19c4d97d6ce2b8d
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Tue Nov 28 19:15:13 2017 +0530
Fix build issue with SINGLE_THREAD_P
Add sysdep-cancel.h include.
* malloc/malloc.c (sysdep-cancel.h): Add include.
(cherry-picked 6d43de4b85b11d26a19bebe4f55f31be16e3d419)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e759c32364cae6e5d309e70226de71af4caf5500
commit e759c32364cae6e5d309e70226de71af4caf5500
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Fri Oct 20 17:27:53 2017 +0100
Add single-threaded path to _int_free
This patch adds single-threaded fast paths to _int_free.
Bypass the explicit locking for larger allocations.
* malloc/malloc.c (_int_free): Add SINGLE_THREAD_P fast paths.
(cherry-picked from a15d53e2de4c7d83bda251469d92a3c7b49a90db)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0e24837040c724b067ea95e978139f5df562067b
commit 0e24837040c724b067ea95e978139f5df562067b
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date: Thu Oct 19 18:19:55 2017 +0100
Fix deadlock in _int_free consistency check
This patch fixes a deadlock in the fastbin consistency check.
If we fail the fast check due to concurrent modifications to
the next chunk or system_mem, we should not lock if we already
have the arena lock. Simplify the check to make it obviously
correct.
* malloc/malloc.c (_int_free): Fix deadlock bug in consistency check.
(cherry-pick d74e6f6c0de55fc588b1ac09c88eb0fb8b8600af)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=590b24e6e066cbb7d3e5befbb665ed844fbca083
commit 590b24e6e066cbb7d3e5befbb665ed844fbca083
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Aug 31 14:55:11 2017 +0200
malloc: Resolve compilation failure in NDEBUG mode
In _int_free, the locked variable is not used if NDEBUG is defined.
(cherry-picked from 24cffce7366c4070d8f823702a4fcec2cb732595)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=533afac92904cc6037b54469763105508b45ace0
commit 533afac92904cc6037b54469763105508b45ace0
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Aug 31 12:02:59 2017 +0200
malloc: Change top_check return type to void
After commit ec2c1fcefb200c6cb7e09553f3c6af8815013d83,
(malloc: Abort on heap corruption, without a backtrace), the function
always returns 0.
(cherry-picked from 5129873a8e913e207e5f7b4b521c72f41a1bbf6d)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=675e8785dc66ea0dba39c65ee7cf1bc8d185e723
commit 675e8785dc66ea0dba39c65ee7cf1bc8d185e723
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Nov 28 19:10:16 2017 +0530
malloc: Remove corrupt arena flag
This is no longer needed because we now abort immediately
once heap corruption is detected.
(cherry-picked from a9da0bb2667ab20f1dbcd0a9ae6846db02fbc96a)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee717ed23df6a96200a9ec923700a73dae521200
commit ee717ed23df6a96200a9ec923700a73dae521200
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Aug 30 19:29:38 2017 +0200
malloc: Remove check_action variable [BZ #21754]
Clean up calls to malloc_printerr and trim its argument list.
This also removes a few bits of work done before calling
malloc_printerr (such as unlocking operations).
The tunable/environment variable still enables the lightweight
additional malloc checking, but mallopt (M_CHECK_ACTION)
no longer has any effect.
(cherry-picked from ac3ed168d0c0b2b702319ac0db72c9b475a8c72e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=87889967934d237b11f98945a96c46f0015445e0
commit 87889967934d237b11f98945a96c46f0015445e0
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Aug 30 16:39:41 2017 +0200
malloc: Abort on heap corruption, without a backtrace [BZ #21754]
The stack trace printing caused deadlocks and has been itself been
targeted by code execution exploits.
(cherry-picked from ec2c1fcefb200c6cb7e09553f3c6af8815013d83)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 79 +++++++++++
NEWS | 10 ++
malloc/arena.c | 31 +----
malloc/hooks.c | 81 +++---------
malloc/malloc.c | 373 +++++++++++++++++++++-----------------------------
manual/memory.texi | 21 ++--
manual/probes.texi | 7 -
manual/tunables.texi | 28 +---
8 files changed, 281 insertions(+), 349 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22336] cs_CZ LC_COLLATE does not use i18n
Date: Tue, 28 Nov 2017 16:02:00 -0000
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--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 22c69b6ad63dce90955d3a1d654dd152e7972fdd
Author: Mike FABIAN <mfabian@redhat.com>
Date: Tue Nov 28 16:42:13 2017 +0100
Add the Changelog entry for “cs_CZ locale: Base collation on iso14651_t1
[BZ #22336]”
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22370] Incorrect note padding check
Date: Tue, 28 Nov 2017 17:57:00 -0000
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--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit 8d81ce0c6d6ca923571e8b2bac132929f9a02973
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Nov 28 09:56:47 2017 -0800
Properly compute offsets of note descriptor and next note [BZ #22370]
A note header has 3 4-bytes fields, followed by note name and note
descriptor. According to gABI, in a note entry, the note name field,
not note name size, is padded for the note descriptor. And the note
descriptor field, not note descriptor size, is padded for the next
note entry. Notes are aligned to 4 bytes in 32-bit objects and 8 bytes
in 64-bit objects.
For all GNU notes, the name is "GNU" which is 4 bytes. They have the
same format in the first 16 bytes in both 32-bit and 64-bit objects.
They differ by note descriptor size and note type. So far, .note.ABI-tag
and .note.gnu.build-id notes are always aligned to 4 bytes. The exsting
codes compute the note size by aligning the note name size and note
descriptor size to 4 bytes. It happens to produce the same value as
the actual note size by luck since the name size is 4 and offset of the
note descriptor is 16. But it will produce the wrong size when note
alignment is 8 bytes in 64-bit objects.
This patch defines ELF_NOTE_DESC_OFFSET and ELF_NOTE_NEXT_OFFSET to
properly compute offsets of note descriptor and next note. It uses
alignment of PT_NOTE segment to support both 4-byte and 8-byte note
alignments in 64-bit objects. To handle PT_NOTE segments with
incorrect alignment, which may lead to an infinite loop, if segment
alignment is less than 4, we treate alignment as 4 bytes since some
note segments have 0 or 1 byte alignment.
[BZ #22370]
* elf/dl-hwcaps.c (ROUND): Removed.
(_dl_important_hwcaps): Replace ROUND with ELF_NOTE_DESC_OFFSET
and ELF_NOTE_NEXT_OFFSET.
* elf/dl-load.c (ROUND): Removed.
(open_verify): Replace ROUND with ELF_NOTE_NEXT_OFFSET.
* elf/readelflib.c (ROUND): Removed.
(process_elf_file): Replace ROUND with ELF_NOTE_NEXT_OFFSET.
* include/elf.h [!_ISOMAC]: Include <libc-pointer-arith.h>.
[!_ISOMAC] (ELF_NOTE_DESC_OFFSET): New.
[!_ISOMAC] (ELF_NOTE_NEXT_OFFSET): Likewise.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 14 ++++++++++++++
elf/dl-hwcaps.c | 24 ++++++++++++++++++------
elf/dl-load.c | 19 +++++++++++++++----
elf/readelflib.c | 19 +++++++++++++++----
include/elf.h | 16 ++++++++++++++--
5 files changed, 76 insertions(+), 16 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/22370] Incorrect note padding check
Date: Tue, 28 Nov 2017 18:08:00 -0000
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H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.27.
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Subject: [Bug dynamic-link/22370] Incorrect note padding check
Date: Tue, 28 Nov 2017 18:19:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
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>From glibc-bugs-return-39975-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 28 21:03:48 2017
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From: "dgoncharov at users dot sf.net" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug glob/22513] New: If patterns has a trailing slash then glob has to match directories only
Date: Tue, 28 Nov 2017 21:03:00 -0000
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Bug ID: 22513
Summary: If patterns has a trailing slash then glob has to
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If patterns has a trailing slash then glob has to match directories only.
http://pubs.opengroup.org/onlinepubs/9699919799/.
Here posix specifies
"An ordinary character is a pattern that shall match itself. It can be any
character in the supported character set except for NUL, those special shell
characters in Quoting that require quoting, and the following three special
pattern characters."
If the pattern is only 2 characters long (e.g. */) glob already matches
directories only. If the pattern is longer e.g. hello*/ then glob matches only
directories or files and directoires depending on type in readdir_result.
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>From glibc-bugs-return-39976-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 28 22:41:52 2017
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Subject: [Bug localedata/1015] be_BY@tarask: new locale
Date: Tue, 28 Nov 2017 22:41:00 -0000
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Rafal Luzynski <digitalfreak at lingonborough dot com> changed:
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----------------------------------------------------------------------------
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Resolution|WONTFIX |---
--- Comment #31 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
Thank you Mike and Chris for replying while I was traveling. Indeed, we feel
more comfortable to add or modify locale data if they are copied from CLDR.
Actually our long term goal is to import locale data from CLDR automatically.
Adding locales which are not present in CLDR is possible but always tricky: how
to verify if a locale is correct? how to tell if a community willing to use the
locale really exists? In this case I was told that it does not exist.
So, Hleb, please prove that the community (at least one person) exists and file
a ticket asking to add the locale to CLDR. I suggest to add this locale to
glibc (that means: I or someone else will add) as soon as it draws some
reasonable attention from CLDR maintainers. I don't need to wait until it is
closed and published. For now I reopen this bug report.
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>From glibc-bugs-return-39977-listarch-glibc-bugs=sources.redhat.com@sourceware.org Tue Nov 28 23:14:53 2017
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Subject: [Bug localedata/22473] Suggestion: Introduce en_EU locale
Date: Tue, 28 Nov 2017 23:14:00 -0000
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--- Comment #3 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
(In reply to Egmont Koblinger from comment #2)
> Some aspects sound quite problematic to me.
>
> What should be the decimal separator,
This is English so a comma "," most probably.
> the first day of the week,
I'd like to review some European locales but at the moment I lean into Monday
as some ISO standard says.
> the currency etc.
Euro seems to be the most widely used currency in Europe.
> (let alone a few less important ones e.g. phone prefix, postal
> format)?
They should be left empty, probably. We had lots of trouble with some of these
fields already, also including the ISBN code prefix. It turns out that some
countries have multiple ISBN codes and multiple int_select prefixes. This has
led us to questions whether any application actually uses these data.
> To second Andreas's point, what are the desired use cases to which setting
> separate LC_whatever variables isn't sufficient currently?
My guess is that users are not aware of the possibility to select separate LC_
variables or maybe the GUI support is insufficient.
> Would an en_EU
> then be definitely sufficient for all these kinds of requests?
For some maybe yes, for some this would be just the best they can achieve.
Occasionally there are requests to add en_XX locale because there are people
around Europe who want to use English even if this is neither their native
language nor the language of their countries. Examples:
Bug 14085
https://bugs.launchpad.net/ubuntu/+source/langpack-locales/+bug/208548
http://rhea-ayase.eu/articles/2017-08/Upgrade-to-Fedora26
> Wouldn't
> something else, e.g. improving the way users could generate their own
> locales (tools, docs) a better solution?
Maybe improving GUI setups. But I'm not sure if this is possible The GUI setups
tend to be simplified nowadays. I suspect their answer would be "no, we want
the users to choose just a language and a country, not a series of geeky things
like a paper format, date/time format, postal code format etc."
> If en_EU is added then shouldn't there be a fr_EU, de_EU etc., for ... for
> which languages exactly?
If only there are people who choose French (German) language for their
computers because this is their favorite foreign language and they are not
related with any French (German) speaking country... To be more precise: it
should be a reasonably large group of people, we should not add a locale for
just one or few persons. Honestly, I'm not aware of such people. But if there
are any I guess that fr_FR (de_DE) would be a sufficient choice for them.
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>From glibc-bugs-return-39978-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 07:43:10 2017
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22473] Suggestion: Introduce en_EU locale
Date: Wed, 29 Nov 2017 07:43:00 -0000
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--- Comment #4 from keld at keldix dot com <keld at keldix dot com> ---
I think we should follow the i18n locale very closely, and only deviate in the
monetary
items.
I note that ISO in their English documents uses "," for decimal separator and
"." for thousands separator.
So will almost all of the EU do after brexit.
Best regards
Keld
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Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
Date: Wed, 29 Nov 2017 10:57:00 -0000
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--- Comment #14 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8da25eec0aaf4d86a06088fff8d175989835e071
commit 8da25eec0aaf4d86a06088fff8d175989835e071
Author: Alexandre Oliva <aoliva@redhat.com>
Date: Tue Nov 28 16:23:02 2017 +0100
Collation fix: make forward accent sorting the default [BZ #17750]
[BZ #17750]
* Makefile: add fr_CA.UTF-8 to test-input and LOCALES.
* localedata/fr_CA.UTF-8.in: New file with test data for backward
accents sorting.
* localedata/fr_FR.UTF-8.in: Fix test data for forward accents
sorting.
* localedata/locales/cs_CZ (LC_COLLATE): Remove “define
DIACRIT_FORWARD”
* localedata/locales/de_DE (LC_COLLATE): Likewise.
* localedata/locales/hu_HU (LC_COLLATE): Likewise.
* localedata/locales/lb_LU (LC_COLLATE): Likewise.
* localedata/locales/yuw_PG (LC_COLLATE): Likewise.
* localedata/locales/fr_CA (LC_COLLATE): Add “define DIACRIT_BACKWARD”
* localedata/locales/iso14651_t1_common: Use “ifdef DIACRIT_FORWARD”
instead of “ifdef DIACRIT_BACKWARD”.
The only locale which currently needs backward accents sorting is fr_CA.
Therefore, forward accents sorting should be the default.
Before this patch, backwards accent sorting was the default and all
locales except fr_CA had to use
define DIACRIT_FORWARD
before
copy "iso14651_t1"
Most locales didn’t do that and thus got the inappropriate backwards
accents sorting
by accident. Now only the fr_CA locale needs to use
define DIACRIT_BACKWARD
before
copy "iso14651_t1"
Original patch slightly modified by: Mike FABIAN <mfabian@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 17 +++++++++++++++++
localedata/Makefile | 4 ++--
localedata/{fr_FR.UTF-8.in => fr_CA.UTF-8.in} | 18 +++++++++---------
localedata/fr_FR.UTF-8.in | 22 +++++++++++-----------
localedata/locales/cs_CZ | 2 --
localedata/locales/de_DE | 2 --
localedata/locales/fr_CA | 2 ++
localedata/locales/hu_HU | 1 -
localedata/locales/iso14651_t1_common | 6 +++---
localedata/locales/lb_LU | 2 --
localedata/locales/yuw_PG | 1 -
11 files changed, 44 insertions(+), 33 deletions(-)
copy localedata/{fr_FR.UTF-8.in => fr_CA.UTF-8.in} (100%)
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>From glibc-bugs-return-39980-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 11:07:55 2017
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Subject: [Bug localedata/22336] cs_CZ LC_COLLATE does not use i18n
Date: Wed, 29 Nov 2017 11:07:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #4 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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From: "i at f2light dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug network/22514] New: resolver don't iterate all search domains when reaching timeout
Date: Wed, 29 Nov 2017 11:10:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22514
Bug ID: 22514
Summary: resolver don't iterate all search domains when
reaching timeout
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: network
Assignee: unassigned at sourceware dot org
Reporter: i at f2light dot com
Target Milestone: ---
To reproduce:
Set FULL content of /etc/resolv.conf with:
nameserver 1.1.1.1 # server won't work
search a b c
options timeout:1 attempts:1 # reduce reproduce time
Then capture network traffic with 1.1.1.1:53(udp) and run `getent hosts test'.
Will get:
Query AAAA test.a.
Query AAAA test.
Query A test.a
Query A test.
But if we set nameserver to 8.8.8.8 and it responds correctly in time, will
get:
Query AAAA test.a.
Query AAAA test.b.
Query AAAA test.c.
Query AAAA test.
Query A test.a.
Query A test.b.
Query A test.c.
Query A test.
I have tested on Gentoo(=sys-libs/glibc-2.25-r9), Ubuntu(libc6-2.23-0ubuntu9),
CentOS(glibc-2.17-196.el7, glibc-2.12-1.209.el6_9.2). All of them behaves same.
So I report here.
Don't know it's intended or a bug. I prefer latter since it tries at least two
domains (not only one if found server unreachable).
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>From glibc-bugs-return-39982-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:09:43 2017
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Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
Date: Wed, 29 Nov 2017 12:09:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #15 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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>From glibc-bugs-return-39983-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:28:29 2017
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Subject: [Bug localedata/22515] New: hsb_DE LC_COLLATE does not use copy "iso14651_t1"
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Bug ID: 22515
Summary: hsb_DE LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
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LC_COLLATE in localedata/locales/hsb_DE does not build upon
copy "iso14651_t1"
missing all updates from there.
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>From glibc-bugs-return-39984-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:29:26 2017
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Subject: [Bug localedata/22515] hsb_DE LC_COLLATE does not use copy "iso14651_t1"
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>From glibc-bugs-return-39985-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:33:15 2017
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Subject: [Bug localedata/22515] hsb_DE LC_COLLATE does not use copy "iso14651_t1"
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--- Comment #1 from Mike FABIAN <maiku.fabian at gmail dot com> ---
https://unicode.org/cldr/trac/browser/trunk/common/collation/hsb.xml
contains:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE ldml SYSTEM "../../common/dtd/ldml.dtd">
<!--
Copyright © 2014 Unicode, Inc.
CLDR data files are interpreted according to the LDML specification
(http://unicode.org/reports/tr35/)
For terms of use, see http://www.unicode.org/copyright.html
-->
<ldml>
<identity>
<version number="$Revision: 11914 $" />
<language type="hsb" />
</identity>
<collations>
<collation type="standard" references="Prawopisny słownik hornjoserbskeje
rěče, Pawoł Völkel,
wobdźěłał Timo Meškank, 1970/2005,
ISBN 3-7420-1920-1 ">
<cr><![CDATA[
&C<č<<<Č<ć<<<Ć
&E<ě<<<Ě
&H<ch<<<cH<<<Ch<<<CH
&[before 1] L<ł<<<Ł
&R<ř<<<Ř
&S<š<<<Š
&Z<ž<<<Ž<ź<<<Ź
]]></cr>
</collation>
</collations>
</ldml>
In glibc, in localedata/locales/hsb_DE, LC_COLLATE contains:
collating-element <D-Z'> from "<U0044><U0179>"
collating-element <D-z'> from "<U0044><U017A>"
collating-element <d-Z'> from "<U0064><U0179>"
collating-element <d-z'> from "<U0064><U017A>"
[...]
<d8>
<D-Z'> <D-Z'>;<NONE>;<CAPITAL>;IGNORE
<D-z'> <D-Z'>;<NONE>;<CAPITAL-SMALL>;IGNORE
<d-Z'> <D-Z'>;<NONE>;<SMALL-CAPITAL>;IGNORE
<d-z'> <D-Z'>;<NONE>;<SMALL>;IGNORE
[...]
I.e. it contains special rules to sort dź which CLDR has not.
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>From glibc-bugs-return-39986-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:39:50 2017
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Subject: [Bug localedata/22516] New: ar_SA LC_COLLATE does not use copy "iso14651_t1"
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Bug ID: 22516
Summary: ar_SA LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
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copy "iso14651_t1"
missing all updates from there.
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>From glibc-bugs-return-39987-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:40:02 2017
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Subject: [Bug localedata/22516] ar_SA LC_COLLATE does not use copy "iso14651_t1"
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>From glibc-bugs-return-39989-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:41:42 2017
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Subject: [Bug localedata/22517] et_EE LC_COLLATE does not use copy "iso14651_t1"
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Subject: [Bug localedata/22517] New: et_EE LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:41:00 -0000
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Bug ID: 22517
Summary: et_EE LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
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LC_COLLATE in localedata/locales/et_EE does not build upon
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>From glibc-bugs-return-39990-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:42:58 2017
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22518] New: hr_HR LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:42:00 -0000
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Bug ID: 22518
Summary: hr_HR LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
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LC_COLLATE in localedata/locales/hr_HR does not build upon
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>From glibc-bugs-return-39991-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:45:34 2017
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/22519] New: is_IS LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:45:00 -0000
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Bug ID: 22519
Summary: is_IS LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
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LC_COLLATE in localedata/locales/is_IS does not build upon
copy "iso14651_t1"
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>From glibc-bugs-return-39992-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:45:47 2017
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Subject: [Bug localedata/22519] is_IS LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:45:00 -0000
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>From glibc-bugs-return-39994-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:48:41 2017
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Subject: [Bug localedata/22520] ja_JP LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:48:00 -0000
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>From glibc-bugs-return-39993-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:48:16 2017
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Subject: [Bug localedata/22520] New: ja_JP LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:48:00 -0000
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Bug ID: 22520
Summary: ja_JP LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
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LC_COLLATE in localedata/locales/ja_JP does not build upon
copy "iso14651_t1"
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>From glibc-bugs-return-39995-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:50:19 2017
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22521] New: km_KH LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:50:00 -0000
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Bug ID: 22521
Summary: km_KH LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
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LC_COLLATE in localedata/locales/km_KH does not build upon
copy "iso14651_t1"
missing all updates from there.
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>From glibc-bugs-return-39996-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:50:25 2017
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From: "maiku.fabian at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug localedata/22521] km_KH LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:50:00 -0000
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>From glibc-bugs-return-39997-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:51:41 2017
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Subject: [Bug localedata/22522] New: ko_KR LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:51:00 -0000
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Bug ID: 22522
Summary: ko_KR LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
LC_COLLATE in localedata/locales/ko_KR does not build upon
copy "iso14651_t1"
missing all updates from there.
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>From glibc-bugs-return-39998-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:51:57 2017
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Subject: [Bug localedata/22522] ko_KR LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:51:00 -0000
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>From glibc-bugs-return-39999-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:52:48 2017
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Subject: [Bug localedata/22523] New: lo_LA LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:52:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22523
Bug ID: 22523
Summary: lo_LA LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
LC_COLLATE in localedata/locales/lo_LA does not build upon
copy "iso14651_t1"
missing all updates from there.
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>From glibc-bugs-return-40000-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:52:58 2017
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Subject: [Bug localedata/22523] lo_LA LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:52:00 -0000
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>From glibc-bugs-return-40001-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:53:56 2017
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Subject: [Bug localedata/22524] New: lt_LT LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:53:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22524
Bug ID: 22524
Summary: lt_LT LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
LC_COLLATE in localedata/locales/lt_LT does not build upon
copy "iso14651_t1"
missing all updates from there.
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>From glibc-bugs-return-40002-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:54:05 2017
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Subject: [Bug localedata/22524] lt_LT LC_COLLATE does not use copy "iso14651_t1"
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>From glibc-bugs-return-40004-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:55:12 2017
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Subject: [Bug localedata/22525] or_IN LC_COLLATE does not use copy "iso14651_t1"
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>From glibc-bugs-return-40003-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:55:02 2017
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Subject: [Bug localedata/22525] New: or_IN LC_COLLATE does not use copy "iso14651_t1"
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Bug ID: 22525
Summary: or_IN LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
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LC_COLLATE in localedata/locales/or_IN does not build upon
copy "iso14651_t1"
missing all updates from there.
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>From glibc-bugs-return-40006-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:56:10 2017
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Subject: [Bug localedata/22526] th_TH LC_COLLATE does not use copy "iso14651_t1"
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https://sourceware.org/bugzilla/show_bug.cgi?id=22526
Bug ID: 22526
Summary: th_TH LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
LC_COLLATE in localedata/locales/th_TH does not build upon
copy "iso14651_t1"
missing all updates from there.
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>From glibc-bugs-return-40008-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:57:28 2017
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Subject: [Bug localedata/22527] tr_TR LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:57:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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----------------------------------------------------------------------------
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>From glibc-bugs-return-40007-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 12:57:06 2017
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Subject: [Bug localedata/22527] New: tr_TR LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 12:57:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22527
Bug ID: 22527
Summary: tr_TR LC_COLLATE does not use copy "iso14651_t1"
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
Target Milestone: ---
LC_COLLATE in localedata/locales/tr_TR does not build upon
copy "iso14651_t1"
missing all updates from there.
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>From glibc-bugs-return-40009-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 13:11:09 2017
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
Date: Wed, 29 Nov 2017 13:11:00 -0000
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--- Comment #16 from keld at keldix dot com <keld at keldix dot com> ---
Well all french language locales should be diacrit backward.
fr_FR, fr_BE, fr_CH and others.
Also other languages, where french words and names are the biggest source
of multiple accented characters should have diacrit backward.
This goes for Danish (my own language), Swedish, Norwegian, Finnish, Dutch.
Best regards
keld
On Wed, Nov 29, 2017 at 10:57:48AM +0000, cvs-commit at gcc dot gnu.org wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=17750
>
>
> The only locale which currently needs backward accents sorting is fr_CA.
> Therefore, forward accents sorting should be the default.
>
> Before this patch, backwards accent sorting was the default and all
> locales except fr_CA had to use
>
> define DIACRIT_FORWARD
>
> before
>
> copy "iso14651_t1"
>
> Most locales didn???t do that and thus got the inappropriate backwards
> accents sorting
> by accident. Now only the fr_CA locale needs to use
>
> define DIACRIT_BACKWARD
>
> before
>
> copy "iso14651_t1"
>
> Original patch slightly modified by: Mike FABIAN <mfabian@redhat.com>
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>From glibc-bugs-return-40010-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 13:19:21 2017
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
Date: Wed, 29 Nov 2017 13:19:00 -0000
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--- Comment #17 from keld at keldix dot com <keld at keldix dot com> ---
Probably also for all English language locales, and African language locales,
where French influence is big, and the use of accented characters in the
african
language in question, eg Swahili, is very limited.
Best regards
keld
On Wed, Nov 29, 2017 at 03:10:28PM +0200, Keld Simonsen wrote:
> Well all french language locales should be diacrit backward.
> fr_FR, fr_BE, fr_CH and others.
>
> Also other languages, where french words and names are the biggest source
> of multiple accented characters should have diacrit backward.
> This goes for Danish (my own language), Swedish, Norwegian, Finnish, Dutch.
>
> Best regards
> keld
>
> On Wed, Nov 29, 2017 at 10:57:48AM +0000, cvs-commit at gcc dot gnu.org wrote:
> > https://sourceware.org/bugzilla/show_bug.cgi?id=17750
> >
> >
> > The only locale which currently needs backward accents sorting is fr_CA.
> > Therefore, forward accents sorting should be the default.
> >
> > Before this patch, backwards accent sorting was the default and all
> > locales except fr_CA had to use
> >
> > define DIACRIT_FORWARD
> >
> > before
> >
> > copy "iso14651_t1"
> >
> > Most locales didn???t do that and thus got the inappropriate backwards
> > accents sorting
> > by accident. Now only the fr_CA locale needs to use
> >
> > define DIACRIT_BACKWARD
> >
> > before
> >
> > copy "iso14651_t1"
> >
> > Original patch slightly modified by: Mike FABIAN <mfabian@redhat.com>
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>From glibc-bugs-return-40011-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 14:16:22 2017
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Subject: [Bug network/22442] if_nametoindex could report index for the wrong networking interface
Date: Wed, 29 Nov 2017 14:16:00 -0000
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Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
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Target Milestone|--- |2.27
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in 2.27.
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>From glibc-bugs-return-40013-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 14:20:40 2017
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Subject: [Bug network/19148] resolv: TCP query failure triggers retries along the search path
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----------------------------------------------------------------------------
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=22514
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>From glibc-bugs-return-40012-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 14:20:38 2017
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Subject: [Bug network/22514] resolver don't iterate all search domains when reaching timeout
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Florian Weimer <fweimer at redhat dot com> changed:
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----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=19148
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--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
I think it is very questionable to switch to a different query domain (along
the search path) if you never get a NXDOMAIN/NODATA reply because as a result,
(temporary) network glitches alter name resolution results.
On the other hand, there might be setups out there which rely on the current
behavior to some extent.
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https://sourceware.org/bugzilla/show_bug.cgi?id=22440
Bug ID: 22440
Summary: `__utmp_equal` ignores `ut_line` when system has
`ut_id`
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: robertabcd at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
Flags: security-
In sysdeps/generic/utmp-equal.h:44:
#if _HAVE_UT_ID - 0
(entry->ut_id[0] && match->ut_id[0]
? strncmp (entry->ut_id, match->ut_id, sizeof match->ut_id) == 0
: strncmp (entry->ut_line, match->ut_line, sizeof match->ut_line) == 0)
#else
strncmp (entry->ut_line, match->ut_line, sizeof match->ut_line) == 0
#endif
);
If the system has `ut_id` and they are set on both side, it won't compare
`ut_line`. Common software like openssh fills `ut_id` with last 4 bytes of
terminal name (e.g. "pts/1000"). As only the last four bytes are used, the
whole file can only hold around ~10k entries before `ut_id` collides.
I propose to make it compare both `ut_id` and `ut_line`, when available. Let me
know what you think. Thanks.
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>From glibc-bugs-return-40015-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 14:41:31 2017
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Subject: [Bug localedata/22518] hr_HR LC_COLLATE does not use copy "iso14651_t1"
Date: Wed, 29 Nov 2017 14:41:00 -0000
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Dragan Stanojevic - Nevidljivi <invisible@hidden-city.net> changed:
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--- Comment #1 from Dragan Stanojevic - Nevidljivi <invisible@hidden-city.net> ---
Resolved in 2009 by bug 10580
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>From glibc-bugs-return-40016-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 17:50:28 2017
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug nss/22530] New: FAIL: nss/bug17079 due to _nss_sss_getpwuid_r
Date: Wed, 29 Nov 2017 17:50:00 -0000
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Bug ID: 22530
Summary: FAIL: nss/bug17079 due to _nss_sss_getpwuid_r
Product: glibc
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: nss
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
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My /etc/nsswitch.conf has
passwd: sss files systemd
shadow: files sss
group: sss files systemd
As the result, __getpwuid_r calls _nss_sss_getpwuid_r in
/lib64/libnss_sss.so.2 from sssd-client-1.16.0-2.fc27.x86_64 on Fedora 27.
_nss_sss_getpwuid_r in sssd-client-1.16.0 is incompatible with glibc 2.27
since it returns 34 which is well outside of
/* Possible results of lookup using a nss_* function. */
enum nss_status
{
NSS_STATUS_TRYAGAIN = -2,
NSS_STATUS_UNAVAIL,
NSS_STATUS_NOTFOUND,
NSS_STATUS_SUCCESS,
NSS_STATUS_RETURN
};
Change /etc/nsswitch.conf to
passwd: files sss systemd
shadow: files sss
group: files sss systemd
makes the test to pass.
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>From glibc-bugs-return-40017-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 18:11:58 2017
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Carlos O'Donell <carlos at redhat dot com> changed:
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>From glibc-bugs-return-40018-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 18:25:48 2017
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To: glibc-bugs@sourceware.org
Subject: [Bug nss/22530] FAIL: nss/bug17079 due to _nss_sss_getpwuid_r
Date: Wed, 29 Nov 2017 18:25:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
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CC| |carlos at redhat dot com
--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
241 enum nss_status _nss_sss_getpwuid_r(uid_t uid, struct passwd *result,
242 char *buffer, size_t buflen, int
*errnop)
243 {
244 struct sss_cli_req_data rd;
245 struct sss_nss_pw_rep pwrep;
246 uint8_t *repbuf;
247 size_t replen, len;
248 uint32_t num_results;
249 enum nss_status nret;
250 uint32_t user_uid;
251 int ret;
252
253 /* Caught once glibc passing in buffer == 0x0 */
254 if (!buffer || !buflen) return ERANGE;
This is a bug in sssd. It can't return ERANGE since that's not a valid
nss_status enumeration.
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>From glibc-bugs-return-40019-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 18:27:16 2017
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Subject: [Bug nss/22530] FAIL: nss/bug17079 due to _nss_sss_getpwuid_r
Date: Wed, 29 Nov 2017 18:27:00 -0000
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--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #1)
> This is a bug in sssd. It can't return ERANGE since that's not a valid
> nss_status enumeration.
I'm going to file a bug upstream, and with Fedora.
In the meantime the eventual solution here will be to move this test to the
containerized testing we are putting together, at that point it will be
distinct from the /etc/nsswitch.conf on your system.
Therefore I think that this test case is simply going to fail until you get a
fixed sssd through your distribution.
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>From glibc-bugs-return-40020-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 19:27:38 2017
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From: "egmont at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
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--- Comment #18 from Egmont Koblinger <egmont at gmail dot com> ---
(In reply to keld@keldix.com from comment #16)
> Also other languages, where french words and names are the biggest source
> of multiple accented characters should have diacrit backward.
> This goes for Danish (my own language), Swedish, Norwegian, Finnish, Dutch.
I can't speak any of these languages, but looking at some random Finnish text I
see tons of ä and ö letters, a significant amount of words containing 2 or more
of them. Hence I seriously doubt the correctness of your claim.
Even if looking only at the foreign words within these languages, I'd _guess_
that they take words from each other or maybe German more often than from
French. But even if let's assume French is the most common source of foreign
words, that's still not a strong enough reason to go for backwards diacrit
ordering. In order for backwards diacrit ordering to even be a possibility to
consider, I believe French accented words should outweigh all other local and
foreign accented words combined.
IMO let's keep this unreasonable idea of backwards diacrit ordering to those
language only that explicitly have it, let's not force this stupid concept on
more locales than necessaary.
By the way, don't these language have some "official" collation rules, or at
least some established common practice?
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>From glibc-bugs-return-40021-listarch-glibc-bugs=sources.redhat.com@sourceware.org Wed Nov 29 19:49:41 2017
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Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
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--- Comment #19 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Egmont Koblinger from comment #18)
> By the way, don't these language have some "official" collation rules, or at
> least some established common practice?
I expect that many languages/scripts have multiple collation rules, depending
on use, particularly when it comes to sorting foreign languages using the same
base script.
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--- Comment #20 from Egmont Koblinger <egmont at gmail dot com> ---
(In reply to Florian Weimer from comment #19)
> I expect that many languages/scripts have multiple collation rules,
> depending on use, particularly when it comes to sorting foreign languages
> using the same base script.
Let's not forget that most languages with Latin scripts do use accents
regularly. I don't think glibc allows different diacrit ordering for "own"
accents and "foreign" accents, e.g. in case of Finnish to use forward diacrit
ordering for ä and ö, and backward diacrit ordering for é and û (and what if
they're mixed?).
So the question is not how to sort _foreign_ words within the language, the
question is how to sort _own_ words of the language. This defines the diacrit
sorting. Foreign words will follow.
If a list to be sorted is composed solely of foreign words from a particular
language, e.g. solely French words in an otherwise Finnish environment, it
might be reasonable to sort using the rules of that language, e.g. French in
this case. This can be achieved by setting LC_COLLATE=fr_FR.UTF-8.
In my opinion, the only valid question is what to do with English in
territories where French is by far the second most popular language: is it
reasonable to go with backward diacrits ordering there?
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Subject: [Bug dynamic-link/21598] i386 _dl_runtime_resolve/_dl_runtime_profile is incompatible with shadow stack
Date: Wed, 29 Nov 2017 20:16:00 -0000
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Subject: [Bug math/22229] [sparc32] missing copysignl, fabsl, fmal compat symbols
Date: Wed, 29 Nov 2017 23:10:00 -0000
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commit cf4ebc27fe3a66637c5fc8824d9591191786b5fd
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Nov 29 23:09:03 2017 +0000
Fix missing sparcv9 --disable-multi-arch fabsl compat symbol (bug 22229).
The --disable-multi-arch case of sparcv9 libm is missing a fabsl
compat symbol for when long double had the same ABI as double. This
patch adds the missing compat symbol to this implementation. As my
fix for other instances of this missing compat symbol postdates the
last release, I'm considering this as being part of bug 22229 that was
missing from my previous fix rather than as a separate issue, and so
as not needing a new bug report in Bugzilla.
Tested (compilation only) with build-many-glibcs.py for
sparcv9-linux-gnu --disable-multi-arch.
[BZ #22229]
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S: Include
<math_ldbl_opt.h>.
(fabsl): Define as compat symbol at version GLIBC_2_0 for libm.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S | 4 ++++
2 files changed, 9 insertions(+), 0 deletions(-)
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Subject: [Bug localedata/10580] hr_HR: updated locale
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Subject: [Bug localedata/22518] hr_HR LC_COLLATE does not use copy "iso14651_t1"
Date: Thu, 30 Nov 2017 05:35:00 -0000
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--- Comment #2 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Dragan Stanojevic - Nevidljivi from comment #1)
> Resolved in 2009 by bug 10580
I didn’t know about that bug, I just saw that in current glibc
master hr_HR still doesn’t use iso14651_t1.
I will look at bug#10580 !
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Subject: [Bug localedata/22518] hr_HR LC_COLLATE does not use copy "iso14651_t1"
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Subject: [Bug localedata/10580] hr_HR: updated locale
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>From glibc-bugs-return-40029-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 30 06:33:15 2017
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Subject: [Bug nss/22530] FAIL: nss/bug17079 due to _nss_sss_getpwuid_r
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--- Comment #3 from Carlos O'Donell <carlos at redhat dot com> ---
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00007ffff7a5a311 in __GI_abort () at abort.c:79
#2 0x00007ffff7a99c25 in __libc_message (action=action@entry=(do_abort |
do_backtrace),
fmt=fmt@entry=0x7ffff7b9a3a1 "%s") at ../sysdeps/posix/libc_fatal.c:181
#3 0x00007ffff7a99c62 in __GI___libc_fatal (
message=message@entry=0x7ffff7b9abef "illegal status in __nss_next")
at ../sysdeps/posix/libc_fatal.c:191
#4 0x00007ffff7b36958 in __GI___nss_next2 (ni=ni@entry=0x7fffffffda70,
fct_name=fct_name@entry=0x7ffff7b98f7f "getpwuid_r",
fct2_name=fct2_name@entry=0x0,
fctp=fctp@entry=0x7fffffffda78, status=status@entry=34,
all_values=all_values@entry=0)
at nsswitch.c:238
#5 0x00007ffff7ae3675 in __getpwuid_r (uid=0,
resbuf=resbuf@entry=0x7fffffffdaf0,
buffer=buffer@entry=0x607c30 "", buflen=buflen@entry=0,
result=result@entry=0x7fffffffdae8)
at ../nss/getXXbyYY_r.c:385
#6 0x0000000000401742 in test_one (item=item@entry=0x6041a0 <test_items>,
buffer_size=buffer_size@entry=0, pad=pad@entry=0 '\000',
padding_size=padding_size@entry=0)
at bug17079.c:156
#7 0x000000000040195f in test_buffer_size (buffer_size=buffer_size@entry=0) at
bug17079.c:202
#8 0x0000000000401b6c in do_test () at bug17079.c:221
#9 0x000000000040243b in support_test_main (argc=1, argv=0x7fffffffdd68,
config=config@entry=0x7fffffffdc30) at support_test_main.c:349
#10 0x0000000000401491 in main (argc=<optimized out>, argv=<optimized out>)
at ../support/test-driver.c:164
So we abort with 'illegal status in __nss_next' which is OK, since it shows the
NSS DSO is broken.
I have confirmed I can fix this by patching sssd's client NSS DSO, and I'm
going to submit the pull request to fix this.
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To: glibc-bugs@sourceware.org
Subject: [Bug nss/22530] FAIL: nss/bug17079 due to _nss_sss_getpwuid_r
Date: Thu, 30 Nov 2017 07:02:00 -0000
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--- Comment #4 from Carlos O'Donell <carlos at redhat dot com> ---
Pull request filed with the fix.
https://pagure.io/SSSD/sssd/pull-request/3589
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
Date: Thu, 30 Nov 2017 07:31:00 -0000
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--- Comment #21 from keld at keldix dot com <keld at keldix dot com> ---
On Wed, Nov 29, 2017 at 07:27:32PM +0000, egmont at gmail dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=17750
>
> --- Comment #18 from Egmont Koblinger <egmont at gmail dot com> ---
> (In reply to keld@keldix.com from comment #16)
>
> > Also other languages, where french words and names are the biggest source
> > of multiple accented characters should have diacrit backward.
> > This goes for Danish (my own language), Swedish, Norwegian, Finnish, Dutch.
>
> I can't speak any of these languages, but looking at some random Finnish text I
> see tons of ä and ö letters, a significant amount of words containing 2 or more
> of them. Hence I seriously doubt the correctness of your claim.
Well, in Finnish and other Nordic languages like Danish, Swedish and Norwegian,
ö and ä etc
are not considered accented letters, but genuine separated letters, so that is
why
there are few strings with more than one accented letter.
> Even if looking only at the foreign words within these languages, I'd _guess_
> that they take words from each other or maybe German more often than from
> French. But even if let's assume French is the most common source of foreign
> words, that's still not a strong enough reason to go for backwards diacrit
> ordering. In order for backwards diacrit ordering to even be a possibility to
> consider, I believe French accented words should outweigh all other local and
> foreign accented words combined.
German umlaut letters are much the same in Finnish (and Swedish) and ä and ö
are
then the same as the genuine Finnish/Swedish letters.
Yes, I also think that the total number of French words with 2 or more accented
letters
(according to the rules of the specific language) should outweight the total
number of other occurrances, But I believe that this is the case in the
examples that I
have given.
> By the way, don't these language have some "official" collation rules, or at
> least some established common practice?
There are specs from the official standards bodies specifying the backwards
diacrit rules, yes.
Best regards
keld
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To: glibc-bugs@sourceware.org
Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
Date: Thu, 30 Nov 2017 07:40:00 -0000
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--- Comment #22 from keld at keldix dot com <keld at keldix dot com> ---
On Wed, Nov 29, 2017 at 07:49:36PM +0000, fweimer at redhat dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=17750
>
> --- Comment #19 from Florian Weimer <fweimer at redhat dot com> ---
> (In reply to Egmont Koblinger from comment #18)
>
> > By the way, don't these language have some "official" collation rules, or at
> > least some established common practice?
>
> I expect that many languages/scripts have multiple collation rules, depending
> on use, particularly when it comes to sorting foreign languages using the same
> base script.
That is not my experience. For Danish (my language) there is only one standard,
and that
takes care of many foreign characters. Then there is a spec from Danish
Standard
that is more elaborate, in the form of a POSIX/Linux locale, covering all of
ISO 10646/Unicode,
that builds on ISO 14651, with the backwards diacrit spec. For German, I know
there are 2 sorting
specs, one where ä, ö and ü etc are considered accented versions of a, o and u,
and one
where they are interpreted as ae oe and ue. There are sorting standards for all
of these
languages, that are well adhered to in the market place.
best regards
keld
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Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
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--- Comment #23 from keld at keldix dot com <keld at keldix dot com> ---
On Wed, Nov 29, 2017 at 08:14:33PM +0000, egmont at gmail dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=17750
>
> --- Comment #20 from Egmont Koblinger <egmont at gmail dot com> ---
> (In reply to Florian Weimer from comment #19)
>
> > I expect that many languages/scripts have multiple collation rules,
> > depending on use, particularly when it comes to sorting foreign languages
> > using the same base script.
>
> Let's not forget that most languages with Latin scripts do use accents
> regularly. I don't think glibc allows different diacrit ordering for "own"
> accents and "foreign" accents, e.g. in case of Finnish to use forward diacrit
> ordering for ä and ö, and backward diacrit ordering for é and û (and what if
> they're mixed?).
I agree that glibc does not distinguish between "own" accented letters, and
foreign.
Bot ä and ö are not accented letters in Finnish, they are genuine separate
letters with
their own place in the alphabeth.
> In my opinion, the only valid question is what to do with English in
> territories where French is by far the second most popular language: is it
> reasonable to go with backward diacrits ordering there?
That is what I am suggesting, at least for Canada.
The same reasoning could be done for Dutch in Belgium, and then also the
Netherlands.
Best regards
Keld
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Subject: [Bug localedata/10580] hr_HR: updated locale
Date: Thu, 30 Nov 2017 08:16:00 -0000
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--- Comment #31 from Mike FABIAN <maiku.fabian at gmail dot com> ---
*** Bug 22518 has been marked as a duplicate of this bug. ***
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Subject: [Bug localedata/22518] hr_HR LC_COLLATE does not use copy "iso14651_t1"
Date: Thu, 30 Nov 2017 08:16:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #3 from Mike FABIAN <maiku.fabian at gmail dot com> ---
bug#10580 does indeed address that problem, mark as duplicate.
*** This bug has been marked as a duplicate of bug 10580 ***
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From: "i at f2light dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug network/22514] resolver don't iterate all search domains when reaching timeout
Date: Thu, 30 Nov 2017 08:56:00 -0000
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--- Comment #2 from i at f2light dot com ---
(In reply to Florian Weimer from comment #1)
> I think it is very questionable to switch to a different query domain (along
> the search path) if you never get a NXDOMAIN/NODATA reply because as a
> result, (temporary) network glitches alter name resolution results.
>
Agreed! That's why I got really confused when resolver didn't stop after the
first domain's lookup failure but start looking up a domain without search
domains. Laterly I decided to report it.
For offline machines, that wastes half of my waiting time.
For online machines, a temporary network failure could give me a different
answer (may be somehow a little security related?).
>From my personal aspect, I'd prefer returning EAI_AGAIN immediately whenever
reaching timeout. (Don't query any other domains)
> On the other hand, there might be setups out there which rely on the current
> behavior to some extent.
That depends on how you regard this. :)
A bug must be fixed, as I can't say "Don't fix dirtycow because my program
requires that to work".
However, if that's a feature, I do accept it. Just say "we code that intended".
Anyway, making an option to offer different behaviors does work for
compatibility, if necessary.
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Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
Date: Thu, 30 Nov 2017 09:09:00 -0000
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--- Comment #24 from Egmont Koblinger <egmont at gmail dot com> ---
(In reply to keld@keldix.com from comment #21)
> Well, in Finnish and other Nordic languages like Danish, Swedish and
> Norwegian, ö and ä etc
> are not considered accented letters, but genuine separated letters, so that
> is why
> there are few strings with more than one accented letter.
Thanks for the explanation! (This actually should have occurred to me, as the
famous Swedish yellow-blue furniture store offers framed pictures and bed linen
showing the Swedish alphabet, with ÅÄÖ at the end.)
To clarify: If they sort German words containing ä and ö, they're sorted among
the same letters of their own language, right? And what about French accents,
are they on the other hand mixed together with their unaccented counterparts?
> German umlaut letters are much the same in Finnish (and Swedish) and ä and ö
> are
> then the same as the genuine Finnish/Swedish letters.
What about German ü?
(In reply to keld@keldix.com from comment #22)
> [...] Then there is a spec from Danish Standard
> that is more elaborate [...] with the backwards diacrit spec.
I'm shocked to hear that there's not only one language but more languages that
use backwards diacritics, something that IMO no sane man with any tiny bit of
common sense would ever decide on :-)
(In reply to keld@keldix.com from comment #23)
> That is what I am suggesting, at least for Canada.
> The same reasoning could be done for Dutch in Belgium, and then also the
> Netherlands.
If this is indeed what's correct for these languages / what people living there
prefer then it's okay for me. I'm just hoping that the kinda de-facto standard
en_US will stay with forward diacrits. I _guess_ Spanish is more frequently
used there than French, plus again, I can't imagine how anyone ever could have
come up with this braindamaged idea of backward diacrit sorting so I'd
personally prefer en_US not to have this craziness :-)
Cheers!
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Subject: [Bug localedata/10580] hr_HR: updated locale
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--- Comment #32 from Mike FABIAN <maiku.fabian at gmail dot com> ---
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0001-hr_HR-locale-various-updates-BZ-10580.patch
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Subject: [Bug localedata/10580] hr_HR: updated locale
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0003-Fix-test-case-for-hr_HR-monetary-formatting.patch
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--- Comment #35 from Mike FABIAN <maiku.fabian at gmail dot com> ---
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--- Comment #36 from Mike FABIAN <maiku.fabian at gmail dot com> ---
The patches attached to comment#32, comment#33, comment#34, and comment#35 :
0001-hr_HR-locale-various-updates-BZ-10580.patch
0002-Add-test-case-for-collation-in-hr_HR-locale.patch
0003-Fix-test-case-for-hr_HR-monetary-formatting.patch
0004-hr_HR-locale-fix-collation-and-expand-collation-test.patch
update Dragan Stanojevic’s patch to current glibc master.
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Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=34697694e8a93b325b18f25f7dcded55d6baeaf6
commit 34697694e8a93b325b18f25f7dcded55d6baeaf6
Author: Arjun Shankar <arjun@redhat.com>
Date: Thu Nov 30 13:31:45 2017 +0100
Fix integer overflow in malloc when tcache is enabled [BZ #22375]
When the per-thread cache is enabled, __libc_malloc uses request2size
(which
does not perform an overflow check) to calculate the chunk size from the
requested allocation size. This leads to an integer overflow causing malloc
to incorrectly return the last successfully allocated block when called
with
a very large size argument (close to SIZE_MAX).
This commit uses checked_request2size instead, removing the overflow.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
malloc/malloc.c | 3 ++-
2 files changed, 8 insertions(+), 1 deletions(-)
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Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
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Arjun Shankar <arjun.is at lostca dot se> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #9 from Arjun Shankar <arjun.is at lostca dot se> ---
I wrote a reasonably thorough regression test for this, but discussions on
libc-alpha as well as further testing have revealed that the test when properly
expanded (a) will also trigger bug 22343, and (b) has exposed another bug in 32
bit Intel and POWER (related to the relatively larger MALLOC_ALIGNMENT on these
machines). Because of this, I haven't checked the regression test into master,
but only the fix for now.
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Subject: [Bug libc/21232] miss posix_fadvise64 on MIPS64 when static linking
Date: Thu, 30 Nov 2017 13:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=21232
--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, release/2.25/master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7bd7ddfab138f67a1d8c10d4d70f16240a1c6796
commit 7bd7ddfab138f67a1d8c10d4d70f16240a1c6796
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Mar 14 16:42:08 2017 -0300
Fix missing posix_fadvise64 mips64 static build (BZ #21232)
This patch fixes the missing posix_fadvise64 symbol for static build
required for _FILE_OFFSET_BITS=64 on mips64 build.
Checked on a mips64-linux-gnu build with run-built-tests=no.
[BZ #21232]
* sysdeps/unix/sysv/linux/mips/mips64/n64/posix_fadvise64.c: Add
posix_fadvise64 weak_alias for static build.
(cherry picked from commit ed7d6072f25f75b808b40c206371361f1313f342)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
.../sysv/linux/mips/mips64/n64/posix_fadvise64.c | 2 ++
2 files changed, 8 insertions(+), 0 deletions(-)
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Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Thu, 30 Nov 2017 13:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
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The branch, hjl/pie/static has been created
at 951b8ac9a2dd6a4a36b939b1e1f47013740e07d8 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=951b8ac9a2dd6a4a36b939b1e1f47013740e07d8
commit 951b8ac9a2dd6a4a36b939b1e1f47013740e07d8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=42ec59f560e64d1eec0c1a9b3768ef8d0a660154
commit 42ec59f560e64d1eec0c1a9b3768ef8d0a660154
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=966d45d91d4647c62d3fccb0f7e684a676fdaced
commit 966d45d91d4647c62d3fccb0f7e684a676fdaced
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=12df728c40440a0d8420596dcc4c7625cb8be0dd
commit 12df728c40440a0d8420596dcc4c7625cb8be0dd
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eaa885503cf44933e959812ba6b90b600cb854d3
commit eaa885503cf44933e959812ba6b90b600cb854d3
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3c9432386edbd2f57098daa6a2a63780c9d9d63
commit b3c9432386edbd2f57098daa6a2a63780c9d9d63
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
The following changes are made for static PIE:
1. Add a new function, _dl_relocate_static_pie, to:
a. Get the run-time load address.
b. Read the dynamic section.
c. Perform dynamic relocations.
Dynamic linker also performs these steps. But static PIE doesn't load
any shared objects.
2. Call _dl_relocate_static_pie at entrance of LIBC_START_MAIN in
libc.a. crt1.o, which is used to create dynamic and non-PIE static
executables, is updated to include a dummy _dl_relocate_static_pie.
rcrt1.o is added to create static PIE, which will link in the real
_dl_relocate_static_pie. grcrt1.o is also added to create static PIE
with -pg. GCC 8 has been updated to support rcrt1.o and grcrt1.o for
static PIE.
Static PIE can work on all architectures which support PIE, provided:
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in static PIE are local functions. If PIE start.S can't reach
main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, s390 and sh.
6. __brk works without TLS nor dynamic relocations in read-only section
so that it can be used by __libc_setup_tls to initializes TLS in static
PIE.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
On x86-64, the normal static sln:
text data bss dec hex filename
625425 8284 5456 639165 9c0bd elf/sln
the static PIE sln:
text data bss dec hex filename
657626 20636 5392 683654 a6e86 elf/sln
The code size is increased by 5% and the binary size is increased by 7%.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on aarch64, i686 and x86-64.
On aarch64, binutils master branch with 2 patches:
https://sourceware.org/ml/binutils/2017-11/msg00455.html
https://sourceware.org/ml/binutils/2017-11/msg00456.html
applied is required.
build-many-glibcs.py with --enable-static-pie with all patches for static
PIE applied have many failures:
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `r' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add r$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)r$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
(_dl_get_dl_main_map): Likewise.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b08f0b7f94a40fd165b44a06346690f5691e77b
commit 3b08f0b7f94a40fd165b44a06346690f5691e77b
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Nov 24 07:13:10 2017 -0800
aarch64: fix start code for static pie
with upcoming static pie patches there are three flavors of the crt startup
code:
1) crt1.o used for non-pie static linking (executable has no relocs),
2) Scrt1.o used for dynamic linking (dynamic linker relocates),
3) rcrt1.o used for static pie linking (self relocation is needed)
when crt1.o and rcrt1.o is built in the --enable-static-pie case -DPIC is
passed,
when Scrt1.o is built then -DPIC -DSHARED is passed.
(crt1.o gets a dummy _dl_relocate_static_pie that interposes the one in
libc so no self-relocation is done in that case in __libc_start_main)
the Scrt1.o code is position independent but it relies on GOT entries that
need to be relocated which happens later and the static linker cannot relax
the GOT loads, so rcrt1.o needs separate implementation.
This implementation works with .text <= 4G files, which is fine, currently
the toolchain does not support larger position independent executables.
tests pass with ld/22269 and ld/22263 binutils bugs fixed.
this patch is on top of master but assumes the static pie patches.
* sysdeps/aarch64/start.S (_start): Handle PIC && !SHARED case.
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Subject: [Bug localedata/10580] hr_HR: updated locale
Date: Thu, 30 Nov 2017 14:23:00 -0000
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--- Comment #37 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5e56e937c9144e70a16793d2c5aa22d1bd0b2c18
commit 5e56e937c9144e70a16793d2c5aa22d1bd0b2c18
Author: Mike FABIAN <mfabian@redhat.com>
Date: Thu Nov 30 12:13:02 2017 +0100
hr_HR locale: fix collation and expand collation test file
* localedata/locales/hr_HR (LC_COLLATE): Fix collation
to make test case pass.
* localedata/hr_HR.UTF-8.in: Add more test strings.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cf4341ca90164398c05e74f72ff19dc52136731c
commit cf4341ca90164398c05e74f72ff19dc52136731c
Author: Mike FABIAN <mfabian@redhat.com>
Date: Thu Nov 30 10:50:44 2017 +0100
Fix test case for hr_HR monetary formatting
* stdlib/tst-strfmon_l.c: Fix testcase. Needed because of [BZ #10580]
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9ca6b343783236fda88e9712f29b46ec875d4156
commit 9ca6b343783236fda88e9712f29b46ec875d4156
Author: Dragan Stanojević - Nevidljivi <invisible@hidden-city.net>
Date: Thu Nov 30 10:02:55 2017 +0100
Add test case for collation in hr_HR locale
* localedata/Makefile: Add hr_HR.UTF-8 to test-input and to
the list of locales to built for testing.
* localedata/hr_HR.UTF-8.in: New file.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37075ae18d10802b9d62db3fbc910b30e01398d4
commit 37075ae18d10802b9d62db3fbc910b30e01398d4
Author: Dragan Stanojević - Nevidljivi <invisible@hidden-city.net>
Date: Thu Nov 30 09:14:51 2017 +0100
hr_HR locale: various updates [BZ #10580]
[BZ #10580]
* localedata/locales/hr_HR (LC_COLLATE): Base collation rules on
iso14651_t1.
* localedata/locales/hr_HR (LC_TIME): Sync month and day names with
CLDR (except use ligatures for the digraphs, CLDR does not use
the ligatures), add first_workday, some fixes in the date and time
formats.
* localedata/locales/hr_HR (LC_CTYPE): Add transliteration rules
for Đ and đ.
* localedata/locales/hr_HR (LC_MONETARY): Change currency_symbol to
lower case. p_cs_precedes and n_cs_precedes should be 0 instead of
1.
Add int_p_cs_precedes and int_n_cs_precedes.
* localedata/locales/hr_HR (LC_NUMERIC): Change thousands_sep to
"<U202F>" (NARROW NO-BREAK SPACE) and grouping to 3;3 (Agrees with
LC_MONETARY now).
* localedata/locales/hr_HR (LC_TELEPHONE): Add tel_dom_fmt.
* localedata/locales/hr_HR (LC_NAME): Add name_mr, name_mrs, and
name_miss.
* localedata/locales/hr_HR (LC_ADDRESS): Add country_post,
country_isbn,
and lang_lib. Change postal_fmt.
change
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 39 +
localedata/Makefile | 4 +-
localedata/hr_HR.UTF-8.in | 70 ++
localedata/locales/hr_HR | 2324 ++++-----------------------------------------
stdlib/tst-strfmon_l.c | 8 +-
5 files changed, 303 insertions(+), 2142 deletions(-)
create mode 100644 localedata/hr_HR.UTF-8.in
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
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--- Comment #38 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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Subject: [Bug localedata/21937] en_MU: new locale
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Subject: [Bug localedata/22534] New: Collation rules for Serbian and Bosnian should be the same as for Croatilan
Date: Thu, 30 Nov 2017 14:53:00 -0000
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Bug ID: 22534
Summary: Collation rules for Serbian and Bosnian should be the
same as for Croatilan
Product: glibc
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: maiku.fabian at gmail dot com
CC: libc-locales at sourceware dot org
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https://unicode.org/cldr/trac/browser/trunk/common/collation/bs.xml
and
https://unicode.org/cldr/trac/browser/trunk/common/collation/sr_Latn.xml
Just use [import hr].
In glibc, the collation rules for Croatian were recently fixed,
see:
https://sourceware.org/bugzilla/show_bug.cgi?id=10580
The Serbian and Bosnian locales should get the same update.
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Subject: [Bug localedata/22534] Collation rules for Serbian and Bosnian should be the same as for Croatian
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Collation rules for Serbian |Collation rules for Serbian
|and Bosnian should be the |and Bosnian should be the
|same as for Croatilan |same as for Croatian
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----------------------------------------------------------------------------
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--- Comment #1 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fbb5fd03d3189c626a002029e599d7e44e623c1e
commit fbb5fd03d3189c626a002029e599d7e44e623c1e
Author: Mike FABIAN <mfabian@redhat.com>
Date: Thu Nov 30 15:57:25 2017 +0100
sr_RS and bs_BA locales: make collation rules the same as for hr_HR [BZ
#22534]
According to CLDR, collation rules for Serbian and Bosnian
should be the same as for Croatian.
[BZ #22534]
* localedata/Makefile: Add sr_RS.UTF-8 and bs_BA.UTF-8 to test-input
and to the list of locales to be built for testing.
* localedata/bs_BA.UTF-8.in: New file (same as hr_HR.UTF-8.in).
* localedata/sr_RS.UTF-8.in: New file (same as hr_HR.UTF-8.in).
* localedata/locales/bs_BA (LC_COLLATE): Use “copy "hr_HR"”.
* localedata/locales/sr_RS (LC_COLLATE): Use “copy "hr_HR"”.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 +++
localedata/Makefile | 5 +-
localedata/{hr_HR.UTF-8.in => bs_BA.UTF-8.in} | 0
localedata/locales/bs_BA | 100 ++-------------------
localedata/locales/sr_RS | 116 +++----------------------
localedata/{hr_HR.UTF-8.in => sr_RS.UTF-8.in} | 0
6 files changed, 39 insertions(+), 195 deletions(-)
copy localedata/{hr_HR.UTF-8.in => bs_BA.UTF-8.in} (100%)
copy localedata/{hr_HR.UTF-8.in => sr_RS.UTF-8.in} (100%)
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>From glibc-bugs-return-40055-listarch-glibc-bugs=sources.redhat.com@sourceware.org Thu Nov 30 20:56:41 2017
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From: "you_no_me_too at yahoo dot co.uk" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22535] New: en_DE: New locale
Date: Thu, 30 Nov 2017 20:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22535
Bug ID: 22535
Summary: en_DE: New locale
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: localedata
Assignee: unassigned at sourceware dot org
Reporter: you_no_me_too at yahoo dot co.uk
CC: libc-locales at sourceware dot org
Target Milestone: ---
I'd like that the locale definition for en_DE to be
included in glibc.
The en_DE (and other en_XX variants) have been added to the CLDR (Common Locale
Data Repository) database about 2 years ago as standard locale definition:
http://unicode.org/cldr/trac/changeset/11969
(as a result of http://unicode.org/cldr/trac/ticket/8642 )
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Subject: [Bug build/22432] Non-deterministic build
Date: Thu, 30 Nov 2017 21:22:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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The branch, master has been updated
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1faaf7035cabda101e1d6653bff7a539f201db91
commit 1faaf7035cabda101e1d6653bff7a539f201db91
Author: Juro Bystricky <juro.bystricky@intel.com>
Date: Thu Nov 30 21:21:15 2017 +0000
plural.c: improve reproducibility
There is a subtle non-determinism when building glibc.
This depends on whether the glibc is built using the distibuted
file intl/plural.c or built using the generated file intl/plural.c.
These two files (intl/plural.c generated vs. distributed) are slightly
different, hence we may end up with slightly different libraries.
Originally, having "bison" installed was optional. So if "bison" was
not present, we always built libraries with the distributed plural.c.
If bison was installed, we *** may have *** replaced the distributed
file plural.c with a new plural.c generated from plural.y. if the
timestamps triggered this rule:
plural.c plural.y
$(BISON) $(BISONFLAGS) $@ $^
Given that timestamps are not preserved in GIT repositories, the above
rule is not reliable without explicitly touching plural.c or plural.y.
In other words, the rule may or may not have fired.
In summary: there are two distinct sources of non-determinism:
1. Having "bison" installed or not
2. Having "bison" installed but timestamps poorly defined.
This patch fixes this by requiring "bison" being installed
and by always generating intl/plural.c from intl/plural.y.
(This is achieved by simply removing checked-in intl/plural.c)
[BZ #22432]
* configure.ac (BISON): Require to be present.
* configure: Regenerated.
* intl/Makefile (generated): Add plural.c.
[$(BISON) != no]: Make code unconditional.
(plural.c): Change rule to $(objpfx)plural.c.
($(objpfx)plural.o): Depend on $(objpfx)plural.c.
* intl/plural.c: Remove.
* manual/install.texi (Tools for Compilation): Document bison as
required.
* INSTALL: Regenerated.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 14 +
INSTALL | 10 +-
NEWS | 3 +-
configure | 128 ++--
configure.ac | 7 +-
intl/Makefile | 9 +-
intl/plural.c | 2011 ---------------------------------------------------
manual/install.texi | 14 +-
8 files changed, 98 insertions(+), 2098 deletions(-)
delete mode 100644 intl/plural.c
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Subject: [Bug build/22432] Non-deterministic build
Date: Thu, 30 Nov 2017 21:27:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #6 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Fixed for 2.27.
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>From glibc-bugs-return-40058-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 01 01:09:20 2017
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From: "digitalfreak at lingonborough dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/22469] pl_PL LC_COLLATE does not use i18n
Date: Fri, 01 Dec 2017 01:09:00 -0000
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--- Comment #5 from Rafal Luzynski <digitalfreak at lingonborough dot com> ---
For the record and for the future reference: Polish alphabetical sorting is
standardized by PN–80/N–01223 standard (by Polish Committee for
Standardization). Some of its rules:
1. Alphabetical order must accord with the Polish alphabet with the letters: q,
v, x added.
2. Non-Polish diacritical characters are ignored, ex.: Hašek < Hass
2a. It is also allowed to ignore Polish diacritical characters (although nobody
seems to apply this rule, Polish diacritical characters are always respected).
3. Spaces and punctuation characters are before the letters, ex.: "mur z cegły"
< "murawa".
4. Lowercase letter is before the uppercase, ex.: arab < Arab.
5. Numbers (also spelled) must be sorted according to their numerical value and
placed before the letters, ex.: 1 < 5 < ósmy < trzynaście < 17 < XXI <
Agnieszka < Antoni ... (This rule is difficult to implement, let's skip it.)
6. The placement of the Icelandic letter Þ (Thorn) is not regulated but the
Icelandic alphabet places it at the end, after Z. We are encouraged to follow
this rule as well, ex.: X < Y < Z < Þ.
Source: https://pl.wikipedia.org/wiki/Porz%C4%85dek_alfabetyczny
Another scientific source says that Polish language has two rules of sorting:
for dictionaries the spaces and punctuation characters are ignored
(letter-by-letter order) but for encyclopedias they are not (word-by-word
order). Thanks to these rules people who don't know whether the correct
spelling is „na pewno” or „napewno” will find the word ("na pewno" ==
"napewno"). On the other hand in encyclopedias all monarchs named Jan are
grouped together: "Jan III Sobieski" < "Jan XXIII" < "Janina". We can't
implement two different rules, here we have implemented the word-by-word rule
and it is correct. The same has been requested in bug 388.
Source:
https://sjp.pwn.pl/poradnia/haslo/porzadek-alfabetyczny-ale-jaki;16226.html
One more source saying that non-Polish diacritical characters should be
ignored: https://sjp.pwn.pl/poradnia/haslo/porzadek-alfabetyczny;4208.html
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Fri, 01 Dec 2017 03:43:00 -0000
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--- Comment #21 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, hjl/pie/static has been created
at 92506a1b7df0ad79179bf6f35e79bcf0ab733710 (commit)
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=92506a1b7df0ad79179bf6f35e79bcf0ab733710
commit 92506a1b7df0ad79179bf6f35e79bcf0ab733710
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Nov 30 19:36:46 2017 -0800
ASFLAGS-.o += $(pie-default)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a04696ccaa91e53c6bc5804b08a4f516e814addb
commit a04696ccaa91e53c6bc5804b08a4f516e814addb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c72dd4cf1e5f561298f0fefd626300c6d37284cb
commit c72dd4cf1e5f561298f0fefd626300c6d37284cb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=98fcde69d9e9f553f5a24f8f8c382be0a54ce17a
commit 98fcde69d9e9f553f5a24f8f8c382be0a54ce17a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8c673406148bf13c094e923c4a679db2097fa80d
commit 8c673406148bf13c094e923c4a679db2097fa80d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fe9e9174f5eaf5d8ab554305fec5f19090e0a807
commit fe9e9174f5eaf5d8ab554305fec5f19090e0a807
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=17b9efc6492d3ac072e012dcd20575c7219f206e
commit 17b9efc6492d3ac072e012dcd20575c7219f206e
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
The following changes are made for static PIE:
1. Add a new function, _dl_relocate_static_pie, to:
a. Get the run-time load address.
b. Read the dynamic section.
c. Perform dynamic relocations.
Dynamic linker also performs these steps. But static PIE doesn't load
any shared objects.
2. Call _dl_relocate_static_pie at entrance of LIBC_START_MAIN in
libc.a. crt1.o, which is used to create dynamic and non-PIE static
executables, is updated to include a dummy _dl_relocate_static_pie.
rcrt1.o is added to create static PIE, which will link in the real
_dl_relocate_static_pie. grcrt1.o is also added to create static PIE
with -pg. GCC 8 has been updated to support rcrt1.o and grcrt1.o for
static PIE.
Static PIE can work on all architectures which support PIE, provided:
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in static PIE are local functions. If PIE start.S can't reach
main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, s390 and sh.
6. __brk works without TLS nor dynamic relocations in read-only section
so that it can be used by __libc_setup_tls to initializes TLS in static
PIE.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
On x86-64, the normal static sln:
text data bss dec hex filename
625425 8284 5456 639165 9c0bd elf/sln
the static PIE sln:
text data bss dec hex filename
657626 20636 5392 683654 a6e86 elf/sln
The code size is increased by 5% and the binary size is increased by 7%.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on aarch64, i686 and x86-64.
On aarch64, binutils master branch with 2 patches:
https://sourceware.org/ml/binutils/2017-11/msg00455.html
https://sourceware.org/ml/binutils/2017-11/msg00456.html
applied is required.
build-many-glibcs.py with --enable-static-pie with all patches for static
PIE applied have many failures:
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-mips64el-linux-gnu-n32 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64el-linux-gnu-n32-soft build
FAIL: glibcs-mips64-linux-gnu-n32 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008 build
FAIL: glibcs-mips64-linux-gnu-n32-nan2008-soft build
FAIL: glibcs-mips64-linux-gnu-n32-soft build
FAIL: glibcs-mipsel-linux-gnu build
FAIL: glibcs-mipsel-linux-gnu-nan2008 build
FAIL: glibcs-mipsel-linux-gnu-nan2008-soft build
FAIL: glibcs-mipsel-linux-gnu-soft build
FAIL: glibcs-mips-linux-gnu build
FAIL: glibcs-mips-linux-gnu-nan2008 build
FAIL: glibcs-mips-linux-gnu-nan2008-soft build
FAIL: glibcs-mips-linux-gnu-soft build
elf/sln is failed to link due to:
crt1.o: relocation R_MIPS_HI16 against `_gp' can not be used when making a
shared object; recompile with -fPIC
This is caused by linker bug and/or non-PIC code in crt1.o.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (static-start-installed-name): Add the `r' prefix
for --enable-static-pie.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add r$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)r$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
(_dl_get_dl_main_map): Likewise.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5281f53b625703785bb6d0507d25f8ff2d25c031
commit 5281f53b625703785bb6d0507d25f8ff2d25c031
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Nov 24 07:13:10 2017 -0800
aarch64: fix start code for static pie
with upcoming static pie patches there are three flavors of the crt startup
code:
1) crt1.o used for non-pie static linking (executable has no relocs),
2) Scrt1.o used for dynamic linking (dynamic linker relocates),
3) rcrt1.o used for static pie linking (self relocation is needed)
when crt1.o and rcrt1.o is built in the --enable-static-pie case -DPIC is
passed,
when Scrt1.o is built then -DPIC -DSHARED is passed.
(crt1.o gets a dummy _dl_relocate_static_pie that interposes the one in
libc so no self-relocation is done in that case in __libc_start_main)
the Scrt1.o code is position independent but it relies on GOT entries that
need to be relocated which happens later and the static linker cannot relax
the GOT loads, so rcrt1.o needs separate implementation.
This implementation works with .text <= 4G files, which is fine, currently
the toolchain does not support larger position independent executables.
tests pass with ld/22269 and ld/22263 binutils bugs fixed.
this patch is on top of master but assumes the static pie patches.
* sysdeps/aarch64/start.S (_start): Handle PIC && !SHARED case.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Fri, 01 Dec 2017 04:12:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
--- Comment #22 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at 1d043a3760ab465e9b364a36eccd4b4a7e1a7fc8 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1d043a3760ab465e9b364a36eccd4b4a7e1a7fc8
commit 1d043a3760ab465e9b364a36eccd4b4a7e1a7fc8
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a83f5a663e3917c8d78ecc14f1b209557e34cb00
commit a83f5a663e3917c8d78ecc14f1b209557e34cb00
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fee70a13aeef566d94f1484f04d2169df4cb51ad
commit fee70a13aeef566d94f1484f04d2169df4cb51ad
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b58a130b0e4f951eb5c31c7750d93ca5b86678df
commit b58a130b0e4f951eb5c31c7750d93ca5b86678df
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e2b24b533b865f71c25ba5259f611add8820a22d
commit e2b24b533b865f71c25ba5259f611add8820a22d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2cdcd22264e365a9d7ad03920d7b1cacab252b4a
commit 2cdcd22264e365a9d7ad03920d7b1cacab252b4a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
The following changes are made for static PIE:
1. Add a new function, _dl_relocate_static_pie, to:
a. Get the run-time load address.
b. Read the dynamic section.
c. Perform dynamic relocations.
Dynamic linker also performs these steps. But static PIE doesn't load
any shared objects.
2. Call _dl_relocate_static_pie at entrance of LIBC_START_MAIN in
libc.a. crt1.o, which is used to create dynamic and non-PIE static
executables, is updated to include a dummy _dl_relocate_static_pie.
rcrt1.o is added to create static PIE, which will link in the real
_dl_relocate_static_pie. grcrt1.o is also added to create static PIE
with -pg. GCC 8 has been updated to support rcrt1.o and grcrt1.o for
static PIE.
Static PIE can work on all architectures which support PIE, provided:
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in static PIE are local functions. If PIE start.S can't reach
main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, s390 and sh.
6. __brk works without TLS nor dynamic relocations in read-only section
so that it can be used by __libc_setup_tls to initializes TLS in static
PIE.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
On x86-64, the normal static sln:
text data bss dec hex filename
625425 8284 5456 639165 9c0bd elf/sln
the static PIE sln:
text data bss dec hex filename
657626 20636 5392 683654 a6e86 elf/sln
The code size is increased by 5% and the binary size is increased by 7%.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on aarch64, i686 and x86-64.
On aarch64, binutils master branch with 2 patches:
https://sourceware.org/ml/binutils/2017-11/msg00455.html
https://sourceware.org/ml/binutils/2017-11/msg00456.html
applied is required.
build-many-glibcs.py with --enable-static-pie with all patches for static
PIE applied have many failures:
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (real-static-start-installed-name): New.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag). Replace $(static-start-installed-name)
with $(real-static-start-installed-name).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add r$(start-installed-name) for
--enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)r$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
(_dl_get_dl_main_map): Likewise.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
* sysdeps/mips/Makefile (ASFLAGS-.o): Add $(pie-default).
(ASFLAGS-.op): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5281f53b625703785bb6d0507d25f8ff2d25c031
commit 5281f53b625703785bb6d0507d25f8ff2d25c031
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Nov 24 07:13:10 2017 -0800
aarch64: fix start code for static pie
with upcoming static pie patches there are three flavors of the crt startup
code:
1) crt1.o used for non-pie static linking (executable has no relocs),
2) Scrt1.o used for dynamic linking (dynamic linker relocates),
3) rcrt1.o used for static pie linking (self relocation is needed)
when crt1.o and rcrt1.o is built in the --enable-static-pie case -DPIC is
passed,
when Scrt1.o is built then -DPIC -DSHARED is passed.
(crt1.o gets a dummy _dl_relocate_static_pie that interposes the one in
libc so no self-relocation is done in that case in __libc_start_main)
the Scrt1.o code is position independent but it relies on GOT entries that
need to be relocated which happens later and the static linker cannot relax
the GOT loads, so rcrt1.o needs separate implementation.
This implementation works with .text <= 4G files, which is fine, currently
the toolchain does not support larger position independent executables.
tests pass with ld/22269 and ld/22263 binutils bugs fixed.
this patch is on top of master but assumes the static pie patches.
* sysdeps/aarch64/start.S (_start): Handle PIC && !SHARED case.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Fri, 01 Dec 2017 13:16:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
--- Comment #23 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at 47dfe8b069b7828aaea067ccf9577c2b481f0314 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=47dfe8b069b7828aaea067ccf9577c2b481f0314
commit 47dfe8b069b7828aaea067ccf9577c2b481f0314
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a61c1c8622da27fdbb73db34b74155eb2a0de6de
commit a61c1c8622da27fdbb73db34b74155eb2a0de6de
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2cf0d784855a7173538d73dffb14fb9688d176dc
commit 2cf0d784855a7173538d73dffb14fb9688d176dc
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=59b20f3720dd5244d5b6fb78a12de2d0b222f975
commit 59b20f3720dd5244d5b6fb78a12de2d0b222f975
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4551c4abcc32d503d79dd254c8df499d617c3eba
commit 4551c4abcc32d503d79dd254c8df499d617c3eba
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=07907d70cdb3736049cd69110ee09d8635f7e83a
commit 07907d70cdb3736049cd69110ee09d8635f7e83a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. When an
older GCC is used to build glibc with --enable-static-pie, proper input
files are passed to linker to create static executables as static PIE,
together with "-z text" to prevent dynamic relocations in read-only
segments, which are allowed in static PIE.
The following changes are made for static PIE:
1. Add a new function, _dl_relocate_static_pie, to:
a. Get the run-time load address.
b. Read the dynamic section.
c. Perform dynamic relocations.
Dynamic linker also performs these steps. But static PIE doesn't load
any shared objects.
2. Call _dl_relocate_static_pie at entrance of LIBC_START_MAIN in
libc.a. crt1.o, which is used to create dynamic and non-PIE static
executables, is updated to include a dummy _dl_relocate_static_pie.
rcrt1.o is added to create static PIE, which will link in the real
_dl_relocate_static_pie. grcrt1.o is also added to create static PIE
with -pg. GCC 8 has been updated to support rcrt1.o and grcrt1.o for
static PIE.
Static PIE can work on all architectures which support PIE, provided:
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in static PIE are local functions. If PIE start.S can't reach
main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, s390 and sh.
6. __brk works without TLS nor dynamic relocations in read-only section
so that it can be used by __libc_setup_tls to initializes TLS in static
PIE.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
On x86-64, the normal static sln:
text data bss dec hex filename
625425 8284 5456 639165 9c0bd elf/sln
the static PIE sln:
text data bss dec hex filename
657626 20636 5392 683654 a6e86 elf/sln
The code size is increased by 5% and the binary size is increased by 7%.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on aarch64, i686 and x86-64.
On aarch64, binutils master branch with 2 patches:
https://sourceware.org/ml/binutils/2017-11/msg00455.html
https://sourceware.org/ml/binutils/2017-11/msg00456.html
applied is required.
build-many-glibcs.py with --enable-static-pie with all patches for static
PIE applied have many failures:
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
libc.a(sched_yield.o): non-pic code with imm relocation against dynamic
symbol `_dl_sysinfo'
This is caused by non-PIC version of DO_CALL macro in ia64 sysdep.h. PIE
libc.a should use PIC version of DO_CALL, except during startup in static
PIE. An ia64 startup.h, similar to i386 startup.h, is needed to handle
this.
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14242
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (real-static-start-installed-name): New.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Use the first of $(DEFAULT-LDFLAGS-$(@F))
and $(default-pie-ldflag). Replace $(static-start-installed-name)
with $(real-static-start-installed-name).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add r$(start-installed-name) and
gr$(start-installed-name) for --enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)r$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
($(objpfx)gr$(start-installed-name)): New.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(CFLAGS-tst-gmon-static-pie.c): New.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
(_dl_get_dl_main_map): Likewise.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
* sysdeps/mips/Makefile (ASFLAGS-.o): Add $(pie-default).
(ASFLAGS-.op): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5281f53b625703785bb6d0507d25f8ff2d25c031
commit 5281f53b625703785bb6d0507d25f8ff2d25c031
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Nov 24 07:13:10 2017 -0800
aarch64: fix start code for static pie
with upcoming static pie patches there are three flavors of the crt startup
code:
1) crt1.o used for non-pie static linking (executable has no relocs),
2) Scrt1.o used for dynamic linking (dynamic linker relocates),
3) rcrt1.o used for static pie linking (self relocation is needed)
when crt1.o and rcrt1.o is built in the --enable-static-pie case -DPIC is
passed,
when Scrt1.o is built then -DPIC -DSHARED is passed.
(crt1.o gets a dummy _dl_relocate_static_pie that interposes the one in
libc so no self-relocation is done in that case in __libc_start_main)
the Scrt1.o code is position independent but it relies on GOT entries that
need to be relocated which happens later and the static linker cannot relax
the GOT loads, so rcrt1.o needs separate implementation.
This implementation works with .text <= 4G files, which is fine, currently
the toolchain does not support larger position independent executables.
tests pass with ld/22269 and ld/22263 binutils bugs fixed.
this patch is on top of master but assumes the static pie patches.
* sysdeps/aarch64/start.S (_start): Handle PIC && !SHARED case.
-----------------------------------------------------------------------
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Subject: [Bug localedata/22519] is_IS LC_COLLATE does not use copy "iso14651_t1"
Date: Fri, 01 Dec 2017 13:24:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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commit d985adae22838fb28c4dc4caebcc8c78e838d03e
Author: Mike FABIAN <mfabian@redhat.com>
Date: Fri Dec 1 13:45:51 2017 +0100
is_IS locale: Base collation on iso14651_t1 [BZ #22519]
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +
localedata/Makefile | 5 +-
localedata/is_IS.UTF-8.in | 61 ++
localedata/locales/is_IS | 2189 ++-------------------------------------------
4 files changed, 162 insertions(+), 2102 deletions(-)
create mode 100644 localedata/is_IS.UTF-8.in
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Subject: [Bug localedata/22519] is_IS LC_COLLATE does not use copy "iso14651_t1"
Date: Fri, 01 Dec 2017 13:25:00 -0000
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Mike FABIAN <maiku.fabian at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #2 from Mike FABIAN <maiku.fabian at gmail dot com> ---
Fixed in glibc master.
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Subject: [Bug nss/22530] FAIL: nss/bug17079 due to _nss_sss_getpwuid_r
Date: Fri, 01 Dec 2017 16:17:00 -0000
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Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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Resolution|--- |INVALID
--- Comment #5 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Carlos O'Donell from comment #4)
> Pull request filed with the fix.
>
> https://pagure.io/SSSD/sssd/pull-request/3589
Now fixed in sssd master, and it should be going out to Fedora.
https://pagure.io/SSSD/sssd/c/c096972ff25f14a390a621851f4935901b908be8
I'm marking this RESOLVED/INVALID since this is not a glibc bug, but an sssd
bug in the handling of invalid buffer pointers and sizes.
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>From glibc-bugs-return-40065-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Dec 01 22:13:50 2017
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Subject: [Bug glob/22332] Buffer overflow in glob with GLOB_TILDE in unescaping (CVE-2017-15804)
Date: Fri, 01 Dec 2017 22:13:00 -0000
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Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Dec 1 21:53:51 2017 +0100
Update NEWS to add CVE-2017-15804 entry
(cherry picked from commit 15e84c63c05e0652047ba5e738c54d79d62ba74b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a9f35ac127e2244185d0a80ed91fa629f9d19dcf
commit a9f35ac127e2244185d0a80ed91fa629f9d19dcf
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Nov 2 11:06:45 2017 +0100
posix/tst-glob-tilde.c: Add test for bug 22332
(cherry picked from commit 2fac6a6cd50c22ac28c97d0864306594807ade3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f1cf98b583787cfb6278baea46e286a0ee7567fd
commit f1cf98b583787cfb6278baea46e286a0ee7567fd
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Oct 22 10:00:57 2017 +0200
glob: Fix buffer overflow during GLOB_TILDE unescaping [BZ #22332]
(cherry picked from commit a159b53fa059947cc2548e3b0d5bdcf7b9630ba8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6f9f307b5db6b2eeb7b92f2a75e5ab3e749c3d56
commit 6f9f307b5db6b2eeb7b92f2a75e5ab3e749c3d56
Author: Florian Weimer <fweimer@redhat.com>
Date: Sun Oct 22 09:29:52 2017 +0200
Update NEWS and ChangeLog for CVE-2017-15671
(cherry picked from commit 914c9994d27b80bc3b71c483e801a4f04e269ba6)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 +++++++++++
NEWS | 9 ++++++++
posix/glob.c | 4 +-
posix/tst-glob-tilde.c | 53 +++++++++++++++++++++++++++--------------------
4 files changed, 54 insertions(+), 25 deletions(-)
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>From glibc-bugs-return-40067-listarch-glibc-bugs=sources.redhat.com@sourceware.org Sat Dec 02 09:56:16 2017
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Subject: [Bug glob/22325] Memory leak in glob with GLOB_TILDE (CVE-2017-15671)
Date: Sat, 02 Dec 2017 09:56:00 -0000
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Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Dec 1 21:53:51 2017 +0100
Update NEWS to add CVE-2017-15804 entry
(cherry picked from commit 15e84c63c05e0652047ba5e738c54d79d62ba74b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b2b39e667143a921eeec01517c9c99ea25eaafae
commit b2b39e667143a921eeec01517c9c99ea25eaafae
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Nov 2 11:06:45 2017 +0100
posix/tst-glob-tilde.c: Add test for bug 22332
(cherry picked from commit 2fac6a6cd50c22ac28c97d0864306594807ade3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee68a4419a7c4473e48b16a55c50689a11f9b725
commit ee68a4419a7c4473e48b16a55c50689a11f9b725
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Oct 22 10:00:57 2017 +0200
glob: Fix buffer overflow during GLOB_TILDE unescaping [BZ #22332]
(cherry picked from commit a159b53fa059947cc2548e3b0d5bdcf7b9630ba8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b587362bd54a81528b36ff8e13ba9f7c233e995
commit 3b587362bd54a81528b36ff8e13ba9f7c233e995
Author: Florian Weimer <fweimer@redhat.com>
Date: Sun Oct 22 09:29:52 2017 +0200
Update NEWS and ChangeLog for CVE-2017-15671
(cherry picked from commit 914c9994d27b80bc3b71c483e801a4f04e269ba6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a06cc8caa7f4c0fcfdc7580cbc5c21be63637353
commit a06cc8caa7f4c0fcfdc7580cbc5c21be63637353
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Oct 21 18:03:30 2017 +0200
glob: Add new test tst-glob-tilde
The new test checks for memory leaks (see bug 22325) and attempts
to trigger the buffer overflow in bug 22320.
(cherry picked from commit e80fc1fc98bf614eb01cf8325503df3a1451a99c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=717743bb07471f95bef6ea63d9b12848ad91aaf6
commit 717743bb07471f95bef6ea63d9b12848ad91aaf6
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Oct 20 18:41:14 2017 +0200
CVE-2017-15670: glob: Fix one-byte overflow [BZ #22320]
(cherry picked from commit c369d66e5426a30e4725b100d5cd28e372754f90)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ea54198514e1a4f4abd8727acac0890bc95b4bdc
commit ea54198514e1a4f4abd8727acac0890bc95b4bdc
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 4 14:53:38 2017 -0300
posix: Sync glob with gnulib [BZ #1062]
This patch syncs posix/glob.c implementation with gnulib version
b5ec983 (glob: simplify symlink detection). The only difference
to gnulib code is
* DT_UNKNOWN, DT_DIR, and DT_LNK definition in the case there
were not already defined. Gnulib code which uses
HAVE_STRUCT_DIRENT_D_TYPE will redefine them wrongly because
GLIBC does not define HAVE_STRUCT_DIRENT_D_TYPE. Instead
the patch check for each definition instead.
Also, the patch requires additional globfree and globfree64 files
for compatibility version on some architectures. Also the code
simplification leads to not macro simplification (not need for
NO_GLOB_PATTERN_P anymore).
Checked on x86_64-linux-gnu and on a build using build-many-glibcs.py
for all major architectures.
[BZ #1062]
* posix/Makefile (routines): Add globfree, globfree64, and
glob_pattern_p.
* posix/flexmember.h: New file.
* posix/glob_internal.h: Likewise.
* posix/glob_pattern_p.c: Likewise.
* posix/globfree.c: Likewise.
* posix/globfree64.c: Likewise.
* sysdeps/gnu/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/globfree.c: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/oldglob.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree64.c: Likewise.
* posix/glob.c (HAVE_CONFIG_H): Use !_LIBC instead.
[NDEBUG): Remove comments.
(GLOB_ONLY_P, _AMIGA, VMS): Remove define.
(dirent_type): New type. Use uint_fast8_t not
uint8_t, as C99 does not require uint8_t.
(DT_UNKNOWN, DT_DIR, DT_LNK): New macros.
(struct readdir_result): Use dirent_type. Do not define skip_entry
unless it is needed; this saves a byte on platforms lacking d_ino.
(readdir_result_type, readdir_result_skip_entry):
New functions, replacing ...
(readdir_result_might_be_symlink, readdir_result_might_be_dir):
these functions, which were removed. This makes the callers
easier to read. All callers changed.
(D_INO_TO_RESULT): Now empty if there is no d_ino.
(size_add_wrapv, glob_use_alloca): New static functions.
(glob, glob_in_dir): Check for size_t overflow in several places,
and fix some size_t checks that were not quite right.
Remove old code using SHELL since Bash no longer
uses this.
(glob, prefix_array): Separate MS code better.
(glob_in_dir): Remove old Amiga and VMS code.
(globfree, __glob_pattern_type, __glob_pattern_p): Move to
separate files.
(glob_in_dir): Do not rely on undefined behavior in accessing
struct members beyond their bounds. Use a flexible array member
instead
(link_stat): Rename from link_exists2_p and return -1/0 instead of
0/1. Caller changed.
(glob): Fix memory leaks.
* posix/glob64 (globfree64): Move to separate file.
* sysdeps/gnu/glob64.c (NO_GLOB_PATTERN_P): Remove define.
(globfree64): Remove hidden alias.
* sysdeps/unix/sysv/linux/Makefile (sysdeps_routines): Add
oldglob.
* sysdeps/unix/sysv/linux/alpha/glob.c (__new_globfree): Move to
separate file.
* sysdeps/unix/sysv/linux/i386/glob64.c (NO_GLOB_PATTERN_P): Remove
define.
Move compat code to separate file.
* sysdeps/wordsize-64/glob.c (globfree): Move definitions to
separate file.
(cherry picked from commit c66c908230169c1bab1f83b071eb585baa214b9f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b54f16a8a237a1f3e6f8b974cafda09ed75d292
commit 2b54f16a8a237a1f3e6f8b974cafda09ed75d292
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 10:46:47 2017 -0700
i386: Hide __old_glob64 [BZ #18822]
Hide internal __old_glob64 function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/i386/glob64.c (__old_glob64): Add
libc_hidden_proto and libc_hidden_def.
(cherry picked from commit 2585d7b839559e665d5723734862fbe62264b25d)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 94 +++
NEWS | 16 +
posix/Makefile | 14 +-
posix/flexmember.h | 45 ++
posix/glob.c | 780 ++++++++++----------
posix/glob64.c | 6 -
posix/glob_internal.h | 57 ++
posix/glob_pattern_p.c | 33 +
posix/globfree.c | 41 +
posix/globfree64.c | 31 +
posix/tst-glob-tilde.c | 143 ++++
sysdeps/gnu/glob64.c | 3 -
sysdeps/gnu/globfree64.c | 10 +
sysdeps/unix/sysv/linux/Makefile | 2 +-
sysdeps/unix/sysv/linux/alpha/glob.c | 4 -
sysdeps/unix/sysv/linux/alpha/globfree.c | 37 +
sysdeps/unix/sysv/linux/i386/glob64.c | 36 +-
.../unix/sysv/linux/mips/mips64/n64/globfree64.c | 1 +
sysdeps/unix/sysv/linux/oldglob.c | 42 ++
sysdeps/unix/sysv/linux/wordsize-64/globfree64.c | 2 +
sysdeps/unix/sysv/linux/x86_64/x32/globfree.c | 1 +
sysdeps/wordsize-64/glob.c | 2 -
sysdeps/wordsize-64/globfree.c | 5 +
sysdeps/wordsize-64/globfree64.c | 1 +
24 files changed, 945 insertions(+), 461 deletions(-)
create mode 100644 posix/flexmember.h
create mode 100644 posix/glob_internal.h
create mode 100644 posix/glob_pattern_p.c
create mode 100644 posix/globfree.c
create mode 100644 posix/globfree64.c
create mode 100644 posix/tst-glob-tilde.c
create mode 100644 sysdeps/gnu/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/alpha/globfree.c
create mode 100644 sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/oldglob.c
create mode 100644 sysdeps/unix/sysv/linux/wordsize-64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/x86_64/x32/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree64.c
--
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/22320] Buffer overflow in glob with GLOB_TILDE (CVE-2017-15670)
Date: Sat, 02 Dec 2017 09:56:00 -0000
X-Bugzilla-Reason: CC
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X-Bugzilla-Component: glob
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X-Bugzilla-Severity: critical
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https://sourceware.org/bugzilla/show_bug.cgi?id=22320
--- Comment #13 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4444f6a92b83f7e044705b43b11dcdb0dbe97fe1
commit 4444f6a92b83f7e044705b43b11dcdb0dbe97fe1
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Dec 1 21:53:51 2017 +0100
Update NEWS to add CVE-2017-15804 entry
(cherry picked from commit 15e84c63c05e0652047ba5e738c54d79d62ba74b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b2b39e667143a921eeec01517c9c99ea25eaafae
commit b2b39e667143a921eeec01517c9c99ea25eaafae
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Nov 2 11:06:45 2017 +0100
posix/tst-glob-tilde.c: Add test for bug 22332
(cherry picked from commit 2fac6a6cd50c22ac28c97d0864306594807ade3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee68a4419a7c4473e48b16a55c50689a11f9b725
commit ee68a4419a7c4473e48b16a55c50689a11f9b725
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Oct 22 10:00:57 2017 +0200
glob: Fix buffer overflow during GLOB_TILDE unescaping [BZ #22332]
(cherry picked from commit a159b53fa059947cc2548e3b0d5bdcf7b9630ba8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b587362bd54a81528b36ff8e13ba9f7c233e995
commit 3b587362bd54a81528b36ff8e13ba9f7c233e995
Author: Florian Weimer <fweimer@redhat.com>
Date: Sun Oct 22 09:29:52 2017 +0200
Update NEWS and ChangeLog for CVE-2017-15671
(cherry picked from commit 914c9994d27b80bc3b71c483e801a4f04e269ba6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a06cc8caa7f4c0fcfdc7580cbc5c21be63637353
commit a06cc8caa7f4c0fcfdc7580cbc5c21be63637353
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Oct 21 18:03:30 2017 +0200
glob: Add new test tst-glob-tilde
The new test checks for memory leaks (see bug 22325) and attempts
to trigger the buffer overflow in bug 22320.
(cherry picked from commit e80fc1fc98bf614eb01cf8325503df3a1451a99c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=717743bb07471f95bef6ea63d9b12848ad91aaf6
commit 717743bb07471f95bef6ea63d9b12848ad91aaf6
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Oct 20 18:41:14 2017 +0200
CVE-2017-15670: glob: Fix one-byte overflow [BZ #22320]
(cherry picked from commit c369d66e5426a30e4725b100d5cd28e372754f90)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ea54198514e1a4f4abd8727acac0890bc95b4bdc
commit ea54198514e1a4f4abd8727acac0890bc95b4bdc
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 4 14:53:38 2017 -0300
posix: Sync glob with gnulib [BZ #1062]
This patch syncs posix/glob.c implementation with gnulib version
b5ec983 (glob: simplify symlink detection). The only difference
to gnulib code is
* DT_UNKNOWN, DT_DIR, and DT_LNK definition in the case there
were not already defined. Gnulib code which uses
HAVE_STRUCT_DIRENT_D_TYPE will redefine them wrongly because
GLIBC does not define HAVE_STRUCT_DIRENT_D_TYPE. Instead
the patch check for each definition instead.
Also, the patch requires additional globfree and globfree64 files
for compatibility version on some architectures. Also the code
simplification leads to not macro simplification (not need for
NO_GLOB_PATTERN_P anymore).
Checked on x86_64-linux-gnu and on a build using build-many-glibcs.py
for all major architectures.
[BZ #1062]
* posix/Makefile (routines): Add globfree, globfree64, and
glob_pattern_p.
* posix/flexmember.h: New file.
* posix/glob_internal.h: Likewise.
* posix/glob_pattern_p.c: Likewise.
* posix/globfree.c: Likewise.
* posix/globfree64.c: Likewise.
* sysdeps/gnu/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/globfree.c: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/oldglob.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree64.c: Likewise.
* posix/glob.c (HAVE_CONFIG_H): Use !_LIBC instead.
[NDEBUG): Remove comments.
(GLOB_ONLY_P, _AMIGA, VMS): Remove define.
(dirent_type): New type. Use uint_fast8_t not
uint8_t, as C99 does not require uint8_t.
(DT_UNKNOWN, DT_DIR, DT_LNK): New macros.
(struct readdir_result): Use dirent_type. Do not define skip_entry
unless it is needed; this saves a byte on platforms lacking d_ino.
(readdir_result_type, readdir_result_skip_entry):
New functions, replacing ...
(readdir_result_might_be_symlink, readdir_result_might_be_dir):
these functions, which were removed. This makes the callers
easier to read. All callers changed.
(D_INO_TO_RESULT): Now empty if there is no d_ino.
(size_add_wrapv, glob_use_alloca): New static functions.
(glob, glob_in_dir): Check for size_t overflow in several places,
and fix some size_t checks that were not quite right.
Remove old code using SHELL since Bash no longer
uses this.
(glob, prefix_array): Separate MS code better.
(glob_in_dir): Remove old Amiga and VMS code.
(globfree, __glob_pattern_type, __glob_pattern_p): Move to
separate files.
(glob_in_dir): Do not rely on undefined behavior in accessing
struct members beyond their bounds. Use a flexible array member
instead
(link_stat): Rename from link_exists2_p and return -1/0 instead of
0/1. Caller changed.
(glob): Fix memory leaks.
* posix/glob64 (globfree64): Move to separate file.
* sysdeps/gnu/glob64.c (NO_GLOB_PATTERN_P): Remove define.
(globfree64): Remove hidden alias.
* sysdeps/unix/sysv/linux/Makefile (sysdeps_routines): Add
oldglob.
* sysdeps/unix/sysv/linux/alpha/glob.c (__new_globfree): Move to
separate file.
* sysdeps/unix/sysv/linux/i386/glob64.c (NO_GLOB_PATTERN_P): Remove
define.
Move compat code to separate file.
* sysdeps/wordsize-64/glob.c (globfree): Move definitions to
separate file.
(cherry picked from commit c66c908230169c1bab1f83b071eb585baa214b9f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b54f16a8a237a1f3e6f8b974cafda09ed75d292
commit 2b54f16a8a237a1f3e6f8b974cafda09ed75d292
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 10:46:47 2017 -0700
i386: Hide __old_glob64 [BZ #18822]
Hide internal __old_glob64 function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/i386/glob64.c (__old_glob64): Add
libc_hidden_proto and libc_hidden_def.
(cherry picked from commit 2585d7b839559e665d5723734862fbe62264b25d)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 94 +++
NEWS | 16 +
posix/Makefile | 14 +-
posix/flexmember.h | 45 ++
posix/glob.c | 780 ++++++++++----------
posix/glob64.c | 6 -
posix/glob_internal.h | 57 ++
posix/glob_pattern_p.c | 33 +
posix/globfree.c | 41 +
posix/globfree64.c | 31 +
posix/tst-glob-tilde.c | 143 ++++
sysdeps/gnu/glob64.c | 3 -
sysdeps/gnu/globfree64.c | 10 +
sysdeps/unix/sysv/linux/Makefile | 2 +-
sysdeps/unix/sysv/linux/alpha/glob.c | 4 -
sysdeps/unix/sysv/linux/alpha/globfree.c | 37 +
sysdeps/unix/sysv/linux/i386/glob64.c | 36 +-
.../unix/sysv/linux/mips/mips64/n64/globfree64.c | 1 +
sysdeps/unix/sysv/linux/oldglob.c | 42 ++
sysdeps/unix/sysv/linux/wordsize-64/globfree64.c | 2 +
sysdeps/unix/sysv/linux/x86_64/x32/globfree.c | 1 +
sysdeps/wordsize-64/glob.c | 2 -
sysdeps/wordsize-64/globfree.c | 5 +
sysdeps/wordsize-64/globfree64.c | 1 +
24 files changed, 945 insertions(+), 461 deletions(-)
create mode 100644 posix/flexmember.h
create mode 100644 posix/glob_internal.h
create mode 100644 posix/glob_pattern_p.c
create mode 100644 posix/globfree.c
create mode 100644 posix/globfree64.c
create mode 100644 posix/tst-glob-tilde.c
create mode 100644 sysdeps/gnu/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/alpha/globfree.c
create mode 100644 sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/oldglob.c
create mode 100644 sysdeps/unix/sysv/linux/wordsize-64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/x86_64/x32/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree64.c
--
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/22332] Buffer overflow in glob with GLOB_TILDE in unescaping (CVE-2017-15804)
Date: Sat, 02 Dec 2017 09:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=22332
--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, release/2.25/master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4444f6a92b83f7e044705b43b11dcdb0dbe97fe1
commit 4444f6a92b83f7e044705b43b11dcdb0dbe97fe1
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Dec 1 21:53:51 2017 +0100
Update NEWS to add CVE-2017-15804 entry
(cherry picked from commit 15e84c63c05e0652047ba5e738c54d79d62ba74b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b2b39e667143a921eeec01517c9c99ea25eaafae
commit b2b39e667143a921eeec01517c9c99ea25eaafae
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Nov 2 11:06:45 2017 +0100
posix/tst-glob-tilde.c: Add test for bug 22332
(cherry picked from commit 2fac6a6cd50c22ac28c97d0864306594807ade3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee68a4419a7c4473e48b16a55c50689a11f9b725
commit ee68a4419a7c4473e48b16a55c50689a11f9b725
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Oct 22 10:00:57 2017 +0200
glob: Fix buffer overflow during GLOB_TILDE unescaping [BZ #22332]
(cherry picked from commit a159b53fa059947cc2548e3b0d5bdcf7b9630ba8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b587362bd54a81528b36ff8e13ba9f7c233e995
commit 3b587362bd54a81528b36ff8e13ba9f7c233e995
Author: Florian Weimer <fweimer@redhat.com>
Date: Sun Oct 22 09:29:52 2017 +0200
Update NEWS and ChangeLog for CVE-2017-15671
(cherry picked from commit 914c9994d27b80bc3b71c483e801a4f04e269ba6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a06cc8caa7f4c0fcfdc7580cbc5c21be63637353
commit a06cc8caa7f4c0fcfdc7580cbc5c21be63637353
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Oct 21 18:03:30 2017 +0200
glob: Add new test tst-glob-tilde
The new test checks for memory leaks (see bug 22325) and attempts
to trigger the buffer overflow in bug 22320.
(cherry picked from commit e80fc1fc98bf614eb01cf8325503df3a1451a99c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=717743bb07471f95bef6ea63d9b12848ad91aaf6
commit 717743bb07471f95bef6ea63d9b12848ad91aaf6
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Oct 20 18:41:14 2017 +0200
CVE-2017-15670: glob: Fix one-byte overflow [BZ #22320]
(cherry picked from commit c369d66e5426a30e4725b100d5cd28e372754f90)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ea54198514e1a4f4abd8727acac0890bc95b4bdc
commit ea54198514e1a4f4abd8727acac0890bc95b4bdc
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 4 14:53:38 2017 -0300
posix: Sync glob with gnulib [BZ #1062]
This patch syncs posix/glob.c implementation with gnulib version
b5ec983 (glob: simplify symlink detection). The only difference
to gnulib code is
* DT_UNKNOWN, DT_DIR, and DT_LNK definition in the case there
were not already defined. Gnulib code which uses
HAVE_STRUCT_DIRENT_D_TYPE will redefine them wrongly because
GLIBC does not define HAVE_STRUCT_DIRENT_D_TYPE. Instead
the patch check for each definition instead.
Also, the patch requires additional globfree and globfree64 files
for compatibility version on some architectures. Also the code
simplification leads to not macro simplification (not need for
NO_GLOB_PATTERN_P anymore).
Checked on x86_64-linux-gnu and on a build using build-many-glibcs.py
for all major architectures.
[BZ #1062]
* posix/Makefile (routines): Add globfree, globfree64, and
glob_pattern_p.
* posix/flexmember.h: New file.
* posix/glob_internal.h: Likewise.
* posix/glob_pattern_p.c: Likewise.
* posix/globfree.c: Likewise.
* posix/globfree64.c: Likewise.
* sysdeps/gnu/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/globfree.c: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/oldglob.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree64.c: Likewise.
* posix/glob.c (HAVE_CONFIG_H): Use !_LIBC instead.
[NDEBUG): Remove comments.
(GLOB_ONLY_P, _AMIGA, VMS): Remove define.
(dirent_type): New type. Use uint_fast8_t not
uint8_t, as C99 does not require uint8_t.
(DT_UNKNOWN, DT_DIR, DT_LNK): New macros.
(struct readdir_result): Use dirent_type. Do not define skip_entry
unless it is needed; this saves a byte on platforms lacking d_ino.
(readdir_result_type, readdir_result_skip_entry):
New functions, replacing ...
(readdir_result_might_be_symlink, readdir_result_might_be_dir):
these functions, which were removed. This makes the callers
easier to read. All callers changed.
(D_INO_TO_RESULT): Now empty if there is no d_ino.
(size_add_wrapv, glob_use_alloca): New static functions.
(glob, glob_in_dir): Check for size_t overflow in several places,
and fix some size_t checks that were not quite right.
Remove old code using SHELL since Bash no longer
uses this.
(glob, prefix_array): Separate MS code better.
(glob_in_dir): Remove old Amiga and VMS code.
(globfree, __glob_pattern_type, __glob_pattern_p): Move to
separate files.
(glob_in_dir): Do not rely on undefined behavior in accessing
struct members beyond their bounds. Use a flexible array member
instead
(link_stat): Rename from link_exists2_p and return -1/0 instead of
0/1. Caller changed.
(glob): Fix memory leaks.
* posix/glob64 (globfree64): Move to separate file.
* sysdeps/gnu/glob64.c (NO_GLOB_PATTERN_P): Remove define.
(globfree64): Remove hidden alias.
* sysdeps/unix/sysv/linux/Makefile (sysdeps_routines): Add
oldglob.
* sysdeps/unix/sysv/linux/alpha/glob.c (__new_globfree): Move to
separate file.
* sysdeps/unix/sysv/linux/i386/glob64.c (NO_GLOB_PATTERN_P): Remove
define.
Move compat code to separate file.
* sysdeps/wordsize-64/glob.c (globfree): Move definitions to
separate file.
(cherry picked from commit c66c908230169c1bab1f83b071eb585baa214b9f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b54f16a8a237a1f3e6f8b974cafda09ed75d292
commit 2b54f16a8a237a1f3e6f8b974cafda09ed75d292
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 10:46:47 2017 -0700
i386: Hide __old_glob64 [BZ #18822]
Hide internal __old_glob64 function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/i386/glob64.c (__old_glob64): Add
libc_hidden_proto and libc_hidden_def.
(cherry picked from commit 2585d7b839559e665d5723734862fbe62264b25d)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 94 +++
NEWS | 16 +
posix/Makefile | 14 +-
posix/flexmember.h | 45 ++
posix/glob.c | 780 ++++++++++----------
posix/glob64.c | 6 -
posix/glob_internal.h | 57 ++
posix/glob_pattern_p.c | 33 +
posix/globfree.c | 41 +
posix/globfree64.c | 31 +
posix/tst-glob-tilde.c | 143 ++++
sysdeps/gnu/glob64.c | 3 -
sysdeps/gnu/globfree64.c | 10 +
sysdeps/unix/sysv/linux/Makefile | 2 +-
sysdeps/unix/sysv/linux/alpha/glob.c | 4 -
sysdeps/unix/sysv/linux/alpha/globfree.c | 37 +
sysdeps/unix/sysv/linux/i386/glob64.c | 36 +-
.../unix/sysv/linux/mips/mips64/n64/globfree64.c | 1 +
sysdeps/unix/sysv/linux/oldglob.c | 42 ++
sysdeps/unix/sysv/linux/wordsize-64/globfree64.c | 2 +
sysdeps/unix/sysv/linux/x86_64/x32/globfree.c | 1 +
sysdeps/wordsize-64/glob.c | 2 -
sysdeps/wordsize-64/globfree.c | 5 +
sysdeps/wordsize-64/globfree64.c | 1 +
24 files changed, 945 insertions(+), 461 deletions(-)
create mode 100644 posix/flexmember.h
create mode 100644 posix/glob_internal.h
create mode 100644 posix/glob_pattern_p.c
create mode 100644 posix/globfree.c
create mode 100644 posix/globfree64.c
create mode 100644 posix/tst-glob-tilde.c
create mode 100644 sysdeps/gnu/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/alpha/globfree.c
create mode 100644 sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/oldglob.c
create mode 100644 sysdeps/unix/sysv/linux/wordsize-64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/x86_64/x32/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree64.c
--
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug glob/1062] sysdeps/generic/glob.c merge from gnulib (part 3 of 3)
Date: Sat, 02 Dec 2017 09:56:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
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X-Bugzilla-Product: glibc
X-Bugzilla-Component: glob
X-Bugzilla-Version: 2.3.5
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X-Bugzilla-Severity: normal
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https://sourceware.org/bugzilla/show_bug.cgi?id=1062
--- Comment #12 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4444f6a92b83f7e044705b43b11dcdb0dbe97fe1
commit 4444f6a92b83f7e044705b43b11dcdb0dbe97fe1
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Dec 1 21:53:51 2017 +0100
Update NEWS to add CVE-2017-15804 entry
(cherry picked from commit 15e84c63c05e0652047ba5e738c54d79d62ba74b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b2b39e667143a921eeec01517c9c99ea25eaafae
commit b2b39e667143a921eeec01517c9c99ea25eaafae
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Nov 2 11:06:45 2017 +0100
posix/tst-glob-tilde.c: Add test for bug 22332
(cherry picked from commit 2fac6a6cd50c22ac28c97d0864306594807ade3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee68a4419a7c4473e48b16a55c50689a11f9b725
commit ee68a4419a7c4473e48b16a55c50689a11f9b725
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Oct 22 10:00:57 2017 +0200
glob: Fix buffer overflow during GLOB_TILDE unescaping [BZ #22332]
(cherry picked from commit a159b53fa059947cc2548e3b0d5bdcf7b9630ba8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b587362bd54a81528b36ff8e13ba9f7c233e995
commit 3b587362bd54a81528b36ff8e13ba9f7c233e995
Author: Florian Weimer <fweimer@redhat.com>
Date: Sun Oct 22 09:29:52 2017 +0200
Update NEWS and ChangeLog for CVE-2017-15671
(cherry picked from commit 914c9994d27b80bc3b71c483e801a4f04e269ba6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a06cc8caa7f4c0fcfdc7580cbc5c21be63637353
commit a06cc8caa7f4c0fcfdc7580cbc5c21be63637353
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Oct 21 18:03:30 2017 +0200
glob: Add new test tst-glob-tilde
The new test checks for memory leaks (see bug 22325) and attempts
to trigger the buffer overflow in bug 22320.
(cherry picked from commit e80fc1fc98bf614eb01cf8325503df3a1451a99c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=717743bb07471f95bef6ea63d9b12848ad91aaf6
commit 717743bb07471f95bef6ea63d9b12848ad91aaf6
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Oct 20 18:41:14 2017 +0200
CVE-2017-15670: glob: Fix one-byte overflow [BZ #22320]
(cherry picked from commit c369d66e5426a30e4725b100d5cd28e372754f90)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ea54198514e1a4f4abd8727acac0890bc95b4bdc
commit ea54198514e1a4f4abd8727acac0890bc95b4bdc
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 4 14:53:38 2017 -0300
posix: Sync glob with gnulib [BZ #1062]
This patch syncs posix/glob.c implementation with gnulib version
b5ec983 (glob: simplify symlink detection). The only difference
to gnulib code is
* DT_UNKNOWN, DT_DIR, and DT_LNK definition in the case there
were not already defined. Gnulib code which uses
HAVE_STRUCT_DIRENT_D_TYPE will redefine them wrongly because
GLIBC does not define HAVE_STRUCT_DIRENT_D_TYPE. Instead
the patch check for each definition instead.
Also, the patch requires additional globfree and globfree64 files
for compatibility version on some architectures. Also the code
simplification leads to not macro simplification (not need for
NO_GLOB_PATTERN_P anymore).
Checked on x86_64-linux-gnu and on a build using build-many-glibcs.py
for all major architectures.
[BZ #1062]
* posix/Makefile (routines): Add globfree, globfree64, and
glob_pattern_p.
* posix/flexmember.h: New file.
* posix/glob_internal.h: Likewise.
* posix/glob_pattern_p.c: Likewise.
* posix/globfree.c: Likewise.
* posix/globfree64.c: Likewise.
* sysdeps/gnu/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/globfree.c: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/oldglob.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree64.c: Likewise.
* posix/glob.c (HAVE_CONFIG_H): Use !_LIBC instead.
[NDEBUG): Remove comments.
(GLOB_ONLY_P, _AMIGA, VMS): Remove define.
(dirent_type): New type. Use uint_fast8_t not
uint8_t, as C99 does not require uint8_t.
(DT_UNKNOWN, DT_DIR, DT_LNK): New macros.
(struct readdir_result): Use dirent_type. Do not define skip_entry
unless it is needed; this saves a byte on platforms lacking d_ino.
(readdir_result_type, readdir_result_skip_entry):
New functions, replacing ...
(readdir_result_might_be_symlink, readdir_result_might_be_dir):
these functions, which were removed. This makes the callers
easier to read. All callers changed.
(D_INO_TO_RESULT): Now empty if there is no d_ino.
(size_add_wrapv, glob_use_alloca): New static functions.
(glob, glob_in_dir): Check for size_t overflow in several places,
and fix some size_t checks that were not quite right.
Remove old code using SHELL since Bash no longer
uses this.
(glob, prefix_array): Separate MS code better.
(glob_in_dir): Remove old Amiga and VMS code.
(globfree, __glob_pattern_type, __glob_pattern_p): Move to
separate files.
(glob_in_dir): Do not rely on undefined behavior in accessing
struct members beyond their bounds. Use a flexible array member
instead
(link_stat): Rename from link_exists2_p and return -1/0 instead of
0/1. Caller changed.
(glob): Fix memory leaks.
* posix/glob64 (globfree64): Move to separate file.
* sysdeps/gnu/glob64.c (NO_GLOB_PATTERN_P): Remove define.
(globfree64): Remove hidden alias.
* sysdeps/unix/sysv/linux/Makefile (sysdeps_routines): Add
oldglob.
* sysdeps/unix/sysv/linux/alpha/glob.c (__new_globfree): Move to
separate file.
* sysdeps/unix/sysv/linux/i386/glob64.c (NO_GLOB_PATTERN_P): Remove
define.
Move compat code to separate file.
* sysdeps/wordsize-64/glob.c (globfree): Move definitions to
separate file.
(cherry picked from commit c66c908230169c1bab1f83b071eb585baa214b9f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b54f16a8a237a1f3e6f8b974cafda09ed75d292
commit 2b54f16a8a237a1f3e6f8b974cafda09ed75d292
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 10:46:47 2017 -0700
i386: Hide __old_glob64 [BZ #18822]
Hide internal __old_glob64 function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/i386/glob64.c (__old_glob64): Add
libc_hidden_proto and libc_hidden_def.
(cherry picked from commit 2585d7b839559e665d5723734862fbe62264b25d)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 94 +++
NEWS | 16 +
posix/Makefile | 14 +-
posix/flexmember.h | 45 ++
posix/glob.c | 780 ++++++++++----------
posix/glob64.c | 6 -
posix/glob_internal.h | 57 ++
posix/glob_pattern_p.c | 33 +
posix/globfree.c | 41 +
posix/globfree64.c | 31 +
posix/tst-glob-tilde.c | 143 ++++
sysdeps/gnu/glob64.c | 3 -
sysdeps/gnu/globfree64.c | 10 +
sysdeps/unix/sysv/linux/Makefile | 2 +-
sysdeps/unix/sysv/linux/alpha/glob.c | 4 -
sysdeps/unix/sysv/linux/alpha/globfree.c | 37 +
sysdeps/unix/sysv/linux/i386/glob64.c | 36 +-
.../unix/sysv/linux/mips/mips64/n64/globfree64.c | 1 +
sysdeps/unix/sysv/linux/oldglob.c | 42 ++
sysdeps/unix/sysv/linux/wordsize-64/globfree64.c | 2 +
sysdeps/unix/sysv/linux/x86_64/x32/globfree.c | 1 +
sysdeps/wordsize-64/glob.c | 2 -
sysdeps/wordsize-64/globfree.c | 5 +
sysdeps/wordsize-64/globfree64.c | 1 +
24 files changed, 945 insertions(+), 461 deletions(-)
create mode 100644 posix/flexmember.h
create mode 100644 posix/glob_internal.h
create mode 100644 posix/glob_pattern_p.c
create mode 100644 posix/globfree.c
create mode 100644 posix/globfree64.c
create mode 100644 posix/tst-glob-tilde.c
create mode 100644 sysdeps/gnu/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/alpha/globfree.c
create mode 100644 sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/oldglob.c
create mode 100644 sysdeps/unix/sysv/linux/wordsize-64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/x86_64/x32/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree64.c
--
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18822] Internal functions are called via PLT
Date: Sat, 02 Dec 2017 09:56:00 -0000
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--- Comment #80 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
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revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4444f6a92b83f7e044705b43b11dcdb0dbe97fe1
commit 4444f6a92b83f7e044705b43b11dcdb0dbe97fe1
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Fri Dec 1 21:53:51 2017 +0100
Update NEWS to add CVE-2017-15804 entry
(cherry picked from commit 15e84c63c05e0652047ba5e738c54d79d62ba74b)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b2b39e667143a921eeec01517c9c99ea25eaafae
commit b2b39e667143a921eeec01517c9c99ea25eaafae
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Nov 2 11:06:45 2017 +0100
posix/tst-glob-tilde.c: Add test for bug 22332
(cherry picked from commit 2fac6a6cd50c22ac28c97d0864306594807ade3e)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee68a4419a7c4473e48b16a55c50689a11f9b725
commit ee68a4419a7c4473e48b16a55c50689a11f9b725
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun Oct 22 10:00:57 2017 +0200
glob: Fix buffer overflow during GLOB_TILDE unescaping [BZ #22332]
(cherry picked from commit a159b53fa059947cc2548e3b0d5bdcf7b9630ba8)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3b587362bd54a81528b36ff8e13ba9f7c233e995
commit 3b587362bd54a81528b36ff8e13ba9f7c233e995
Author: Florian Weimer <fweimer@redhat.com>
Date: Sun Oct 22 09:29:52 2017 +0200
Update NEWS and ChangeLog for CVE-2017-15671
(cherry picked from commit 914c9994d27b80bc3b71c483e801a4f04e269ba6)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a06cc8caa7f4c0fcfdc7580cbc5c21be63637353
commit a06cc8caa7f4c0fcfdc7580cbc5c21be63637353
Author: Florian Weimer <fweimer@redhat.com>
Date: Sat Oct 21 18:03:30 2017 +0200
glob: Add new test tst-glob-tilde
The new test checks for memory leaks (see bug 22325) and attempts
to trigger the buffer overflow in bug 22320.
(cherry picked from commit e80fc1fc98bf614eb01cf8325503df3a1451a99c)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=717743bb07471f95bef6ea63d9b12848ad91aaf6
commit 717743bb07471f95bef6ea63d9b12848ad91aaf6
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri Oct 20 18:41:14 2017 +0200
CVE-2017-15670: glob: Fix one-byte overflow [BZ #22320]
(cherry picked from commit c369d66e5426a30e4725b100d5cd28e372754f90)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ea54198514e1a4f4abd8727acac0890bc95b4bdc
commit ea54198514e1a4f4abd8727acac0890bc95b4bdc
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Sep 4 14:53:38 2017 -0300
posix: Sync glob with gnulib [BZ #1062]
This patch syncs posix/glob.c implementation with gnulib version
b5ec983 (glob: simplify symlink detection). The only difference
to gnulib code is
* DT_UNKNOWN, DT_DIR, and DT_LNK definition in the case there
were not already defined. Gnulib code which uses
HAVE_STRUCT_DIRENT_D_TYPE will redefine them wrongly because
GLIBC does not define HAVE_STRUCT_DIRENT_D_TYPE. Instead
the patch check for each definition instead.
Also, the patch requires additional globfree and globfree64 files
for compatibility version on some architectures. Also the code
simplification leads to not macro simplification (not need for
NO_GLOB_PATTERN_P anymore).
Checked on x86_64-linux-gnu and on a build using build-many-glibcs.py
for all major architectures.
[BZ #1062]
* posix/Makefile (routines): Add globfree, globfree64, and
glob_pattern_p.
* posix/flexmember.h: New file.
* posix/glob_internal.h: Likewise.
* posix/glob_pattern_p.c: Likewise.
* posix/globfree.c: Likewise.
* posix/globfree64.c: Likewise.
* sysdeps/gnu/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/globfree.c: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/oldglob.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/globfree64.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree.c: Likewise.
* sysdeps/wordsize-64/globfree64.c: Likewise.
* posix/glob.c (HAVE_CONFIG_H): Use !_LIBC instead.
[NDEBUG): Remove comments.
(GLOB_ONLY_P, _AMIGA, VMS): Remove define.
(dirent_type): New type. Use uint_fast8_t not
uint8_t, as C99 does not require uint8_t.
(DT_UNKNOWN, DT_DIR, DT_LNK): New macros.
(struct readdir_result): Use dirent_type. Do not define skip_entry
unless it is needed; this saves a byte on platforms lacking d_ino.
(readdir_result_type, readdir_result_skip_entry):
New functions, replacing ...
(readdir_result_might_be_symlink, readdir_result_might_be_dir):
these functions, which were removed. This makes the callers
easier to read. All callers changed.
(D_INO_TO_RESULT): Now empty if there is no d_ino.
(size_add_wrapv, glob_use_alloca): New static functions.
(glob, glob_in_dir): Check for size_t overflow in several places,
and fix some size_t checks that were not quite right.
Remove old code using SHELL since Bash no longer
uses this.
(glob, prefix_array): Separate MS code better.
(glob_in_dir): Remove old Amiga and VMS code.
(globfree, __glob_pattern_type, __glob_pattern_p): Move to
separate files.
(glob_in_dir): Do not rely on undefined behavior in accessing
struct members beyond their bounds. Use a flexible array member
instead
(link_stat): Rename from link_exists2_p and return -1/0 instead of
0/1. Caller changed.
(glob): Fix memory leaks.
* posix/glob64 (globfree64): Move to separate file.
* sysdeps/gnu/glob64.c (NO_GLOB_PATTERN_P): Remove define.
(globfree64): Remove hidden alias.
* sysdeps/unix/sysv/linux/Makefile (sysdeps_routines): Add
oldglob.
* sysdeps/unix/sysv/linux/alpha/glob.c (__new_globfree): Move to
separate file.
* sysdeps/unix/sysv/linux/i386/glob64.c (NO_GLOB_PATTERN_P): Remove
define.
Move compat code to separate file.
* sysdeps/wordsize-64/glob.c (globfree): Move definitions to
separate file.
(cherry picked from commit c66c908230169c1bab1f83b071eb585baa214b9f)
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b54f16a8a237a1f3e6f8b974cafda09ed75d292
commit 2b54f16a8a237a1f3e6f8b974cafda09ed75d292
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 20 10:46:47 2017 -0700
i386: Hide __old_glob64 [BZ #18822]
Hide internal __old_glob64 function to allow direct access within
libc.so and libc.a without using GOT nor PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/i386/glob64.c (__old_glob64): Add
libc_hidden_proto and libc_hidden_def.
(cherry picked from commit 2585d7b839559e665d5723734862fbe62264b25d)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 94 +++
NEWS | 16 +
posix/Makefile | 14 +-
posix/flexmember.h | 45 ++
posix/glob.c | 780 ++++++++++----------
posix/glob64.c | 6 -
posix/glob_internal.h | 57 ++
posix/glob_pattern_p.c | 33 +
posix/globfree.c | 41 +
posix/globfree64.c | 31 +
posix/tst-glob-tilde.c | 143 ++++
sysdeps/gnu/glob64.c | 3 -
sysdeps/gnu/globfree64.c | 10 +
sysdeps/unix/sysv/linux/Makefile | 2 +-
sysdeps/unix/sysv/linux/alpha/glob.c | 4 -
sysdeps/unix/sysv/linux/alpha/globfree.c | 37 +
sysdeps/unix/sysv/linux/i386/glob64.c | 36 +-
.../unix/sysv/linux/mips/mips64/n64/globfree64.c | 1 +
sysdeps/unix/sysv/linux/oldglob.c | 42 ++
sysdeps/unix/sysv/linux/wordsize-64/globfree64.c | 2 +
sysdeps/unix/sysv/linux/x86_64/x32/globfree.c | 1 +
sysdeps/wordsize-64/glob.c | 2 -
sysdeps/wordsize-64/globfree.c | 5 +
sysdeps/wordsize-64/globfree64.c | 1 +
24 files changed, 945 insertions(+), 461 deletions(-)
create mode 100644 posix/flexmember.h
create mode 100644 posix/glob_internal.h
create mode 100644 posix/glob_pattern_p.c
create mode 100644 posix/globfree.c
create mode 100644 posix/globfree64.c
create mode 100644 posix/tst-glob-tilde.c
create mode 100644 sysdeps/gnu/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/alpha/globfree.c
create mode 100644 sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/oldglob.c
create mode 100644 sysdeps/unix/sysv/linux/wordsize-64/globfree64.c
create mode 100644 sysdeps/unix/sysv/linux/x86_64/x32/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree.c
create mode 100644 sysdeps/wordsize-64/globfree64.c
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/19170] __gmon_start__ defined in hppa in crtn.S
Date: Sat, 02 Dec 2017 19:45:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3f7fb12f5c490787d548ecc479920e608f6f904
commit b3f7fb12f5c490787d548ecc479920e608f6f904
Author: John David Anglin <danglin@gcc.gnu.org>
Date: Sat Dec 2 14:43:28 2017 -0500
Handle __gmon_start__ as undefined weak on hppa.
[BZ libc/19170]
* sysdeps/hppa/crti.S: Declare PREINIT_FUNCTION weak_extern when
PREINIT_FUNCTION_WEAK is nonzero.
(gmon_initializer): New function. Put procedure label for it in
.init_array section.
(_init): Don't call PREINIT_FUNCTION.
* sysdeps/hppa/crtn.S (__gmon_start__): Remove.
* sysdeps/hppa/dl-lookupcfg.h (DL_FIXUP_MAKE_VALUE): Create null fixup
value when map argument is null.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++
sysdeps/hppa/crti.S | 97 +++++++++++++++++++++++++++++++++++++++----
sysdeps/hppa/crtn.S | 21 ---------
sysdeps/hppa/dl-lookupcfg.h | 3 +-
4 files changed, 101 insertions(+), 30 deletions(-)
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To: glibc-bugs@sourceware.org
Subject: [Bug libc/19170] __gmon_start__ defined in hppa in crtn.S
Date: Sat, 02 Dec 2017 19:49:00 -0000
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John David Anglin <danglin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.28
--- Comment #6 from John David Anglin <danglin at gcc dot gnu.org> ---
Fixed on trunk.
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Subject: [Bug libc/19170] __gmon_start__ defined in hppa in crtn.S
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Dmitry V. Levin <ldv at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|2.28 |2.27
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From: "keld at keldix dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
Date: Sun, 03 Dec 2017 13:16:00 -0000
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--- Comment #25 from keld at keldix dot com <keld at keldix dot com> ---
On Thu, Nov 30, 2017 at 09:09:25AM +0000, egmont at gmail dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=17750
>
> --- Comment #24 from Egmont Koblinger <egmont at gmail dot com> ---
> (In reply to keld@keldix.com from comment #21)
>
> > Well, in Finnish and other Nordic languages like Danish, Swedish and
> > Norwegian, ö and ä etc
> > are not considered accented letters, but genuine separated letters, so that
> > is why
> > there are few strings with more than one accented letter.
>
> To clarify: If they sort German words containing ä and ö, they're sorted among
> the same letters of their own language, right? And what about French accents,
> are they on the other hand mixed together with their unaccented counterparts?
Yes, German ö and ä are treated exactly as the Swedish letters.
And French accented letters like é and è are treated as 'e' but with an accent.
é is actually
much used in Swedish proper.
> > German umlaut letters are much the same in Finnish (and Swedish) and ä and ö
> > are
> > then the same as the genuine Finnish/Swedish letters.
>
> What about German ü?
ü is treated as an y AFAIK, but as with an accent. Danish æ and ø are treated
as ä and ö
but as if they have an accent.
> (In reply to keld@keldix.com from comment #22)
>
> > [...] Then there is a spec from Danish Standard
> > that is more elaborate [...] with the backwards diacrit spec.
>
> I'm shocked to hear that there's not only one language but more languages that
> use backwards diacritics, something that IMO no sane man with any tiny bit of
> common sense would ever decide on :-)
Well, it is because the last accented character in French are more important
when pronounciated. I agree the it is a bit coulter-intuitive, but I do favour
the actual habits in the real world over what is logic.
> (In reply to keld@keldix.com from comment #23)
>
> > That is what I am suggesting, at least for Canada.
> > The same reasoning could be done for Dutch in Belgium, and then also the
> > Netherlands.
>
> If this is indeed what's correct for these languages / what people living there
> prefer then it's okay for me. I'm just hoping that the kinda de-facto standard
> en_US will stay with forward diacrits. I _guess_ Spanish is more frequently
> used there than French, plus again, I can't imagine how anyone ever could have
> come up with this braindamaged idea of backward diacrit sorting so I'd
> personally prefer en_US not to have this craziness :-)
the kind of defacto i18n locale has forward diacrits. i18n is the standard
locale of ISO TR 30112.
I think both Spanish and German needs forward diacrits, and Spanish being a
bigger
language than French would give that we should use forward diacrit as the
default.
Best regards
Keld
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From: "cjlhomeaddress at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug localedata/17750] wrong collation order of diacritics in most locales
Date: Sun, 03 Dec 2017 15:02:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17750
--- Comment #26 from Chris Leonard <cjlhomeaddress at gmail dot com> ---
>
> >
> > If this is indeed what's correct for these languages / what people
> living there
> > prefer then it's okay for me. I'm just hoping that the kinda de-facto
> standard
> > en_US will stay with forward diacrits. I _guess_ Spanish is more
> frequently
> > used there than French, plus again, I can't imagine how anyone ever
> could have
> > come up with this braindamaged idea of backward diacrit sorting so I'd
> > personally prefer en_US not to have this craziness :-)
>
> the kind of defacto i18n locale has forward diacrits. i18n is the standard
> locale of ISO TR 30112.
> I think both Spanish and German needs forward diacrits, and Spanish being
> a bigger
> language than French would give that we should use forward diacrit as the
> default.
>
>
Don't forget that the conquistadores brought Spanish orthograohy to many of
the indigenous languages of the Americas as well, small in Intenet
footprint and speaker count, large in language count.
cjl
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/19574] glibc should support building static PIE binaries
Date: Sun, 03 Dec 2017 16:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19574
--- Comment #24 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/pie/static has been created
at ed724a3d50d9c9cfd2c2440916902080155df160 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ed724a3d50d9c9cfd2c2440916902080155df160
commit ed724a3d50d9c9cfd2c2440916902080155df160
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Sep 27 16:47:29 2017 -0700
Add --enable-static-pie to build-many-glibcs.py
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=802b11b8ee25b4e598f96769024186e0da589b6c
commit 802b11b8ee25b4e598f96769024186e0da589b6c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:54 2017 -0700
sparc: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=47214d68c63c1de5be95a9ff259d57d1aad20455
commit 47214d68c63c1de5be95a9ff259d57d1aad20455
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 16:13:22 2017 -0700
microblaze: Check PIC instead of SHARED in start.S
Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
* sysdeps/microblaze/start.S (_start): Check PIC instead of SHARED.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eaf2eee74677f570a8e0e771122190e1b14f6424
commit eaf2eee74677f570a8e0e771122190e1b14f6424
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:55:18 2017 -0700
sh: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/sh/dl-machine.h (elf_machine_load_address): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e5014efcc6428472de2c912ab1f7c97a2352245a
commit e5014efcc6428472de2c912ab1f7c97a2352245a
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Sep 28 14:53:06 2017 -0700
s390: Update elf_machine_load_address for static PIE
When --enable-static-pie is used to configure glibc, we need to use
_dl_relocate_static_pie to compute load address in static PIE.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_dynamic): Use
_dl_relocate_static_pie instead of _dl_start to compute load
address in static PIE.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_dynamic):
Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=86d8013ccc24e4c07fdc6da04dac0448c4f5fc29
commit 86d8013ccc24e4c07fdc6da04dac0448c4f5fc29
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Jul 17 08:17:32 2017 -0700
Add --enable-static-pie configure option to build static PIE [BZ #19574]
Dynamic linker, ld.so, is a standalone program which can be loaded at
any address. This patch adds a configure option, --enable-static-pie,
to embed the part of ld.so in static executable to create static position
independent executable (static PIE). A static PIE is similar to static
executable, but can be loaded at any address without help from a dynamic
linker. When --enable-static-pie is used to configure glibc, libc.a is
built as PIE and all static executables, including tests, are built as
static PIE. The resulting libc.a can be used together with GCC 8 or
above to build static PIE with the compiler option, -static-pie. But
GCC 8 isn't required to build glibc with --enable-static-pie. Only GCC
with PIE support is needed. When an older GCC is used to build glibc
with --enable-static-pie, proper input files are passed to linker to
create static executables as static PIE, together with "-z text" to
prevent dynamic relocations in read-only segments, which are not allowed
in static PIE.
Static PIE extends address space layout randomization to static
executables. It provides additional security hardening benefits at
the cost of some memory and performance.
The following changes are made for static PIE:
1. Add a new function, _dl_relocate_static_pie, to:
a. Get the run-time load address.
b. Read the dynamic section.
c. Perform dynamic relocations.
Dynamic linker also performs these steps. But static PIE doesn't load
any shared objects.
2. Call _dl_relocate_static_pie at entrance of LIBC_START_MAIN in
libc.a. crt1.o, which is used to create dynamic and non-PIE static
executables, is updated to include a dummy _dl_relocate_static_pie.
rcrt1.o is added to create static PIE, which will link in the real
_dl_relocate_static_pie. grcrt1.o is also added to create static PIE
with -pg. GCC 8 has been updated to support rcrt1.o and grcrt1.o for
static PIE.
Static PIE can work on all architectures which support PIE, provided:
1. Target must support accessing of local functions without dynamic
relocations, which is needed in start.S to call __libc_start_main with
function addresses of __libc_csu_init, __libc_csu_fini and main. All
functions in static PIE are local functions. If PIE start.S can't reach
main () defined in a shared object, the code sequence:
pass addess of local_main to __libc_start_main
...
local_main:
tail call to main via PLT
can be used.
2. start.S is updated to check PIC instead SHARED for PIC code path and
avoid dynamic relocation, when PIC is defined and SHARED isn't defined,
to support static PIE. Patches are submitted for aarch64, hppa, m68k,
microblaze and sparc.
3. All assembly codes are updated check PIC instead SHARED for PIC code
path to avoid dynamic relocations in read-only sections.
4. All assembly codes are updated check SHARED instead PIC for static
symbol name. A patch is submitted for tile.
5. elf_machine_load_address in dl-machine.h are updated to support static
PIE. Patches are submitted for aarch64, s390 and sh.
6. __brk works without TLS nor dynamic relocations in read-only section
so that it can be used by __libc_setup_tls to initializes TLS in static
PIE.
NB: When glibc is built with GCC defaulted to PIE, libc.a is compiled
with -fPIE, regardless if --enable-static-pie is used to configure glibc.
When glibc is configured with --enable-static-pie, libc.a is compiled
with -fPIE, regardless wether GCC defaults to PIE or not. The same libc.a
can be used to build both static executable and static PIE. There is no
need for separate PIE copy of libc.a.
On x86-64, the normal static sln:
text data bss dec hex filename
625425 8284 5456 639165 9c0bd elf/sln
the static PIE sln:
text data bss dec hex filename
657626 20636 5392 683654 a6e86 elf/sln
The code size is increased by 5% and the binary size is increased by 7%.
Linker requirements to build glibc with --enable-static-pie:
1. Linker supports --no-dynamic-linker to remove PT_INTERP segment from
static PIE.
2. Linker can create working static PIE. The x86-64 linker needs the
fix for
https://sourceware.org/bugzilla/show_bug.cgi?id=21782
The i386 linker needs to be able to convert "movl main@GOT(%ebx), %eax"
to "leal main@GOTOFF(%ebx), %eax" if main is defined locally.
Binutils 2.29 or above are OK for i686 and x86-64. But linker status for
other targets need to be verified.
3. Linker should resolve undefined weak symbols to 0 in static PIE:
https://sourceware.org/bugzilla/show_bug.cgi?id=22269
4. Many ELF backend linkers incorrectly check bfd_link_pic for TLS
relocations, which should check bfd_link_executable instead:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Tested on aarch64, i686 and x86-64.
Using GCC 7 and binutils master branch, build-many-glibcs.py with
--enable-static-pie with all patches for static PIE applied have the
following build successes:
PASS: glibcs-aarch64_be-linux-gnu build
PASS: glibcs-aarch64-linux-gnu build
PASS: glibcs-armeb-linux-gnueabi-be8 build
PASS: glibcs-armeb-linux-gnueabi build
PASS: glibcs-armeb-linux-gnueabihf-be8 build
PASS: glibcs-armeb-linux-gnueabihf build
PASS: glibcs-arm-linux-gnueabi build
PASS: glibcs-arm-linux-gnueabihf build
PASS: glibcs-arm-linux-gnueabihf-v7a build
PASS: glibcs-arm-linux-gnueabihf-v7a-disable-multi-arch build
PASS: glibcs-m68k-linux-gnu build
PASS: glibcs-microblazeel-linux-gnu build
PASS: glibcs-microblaze-linux-gnu build
PASS: glibcs-mips64el-linux-gnu-n32 build
PASS: glibcs-mips64el-linux-gnu-n32-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n32-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n32-soft build
PASS: glibcs-mips64el-linux-gnu-n64 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64el-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64el-linux-gnu-n64-soft build
PASS: glibcs-mips64-linux-gnu-n32 build
PASS: glibcs-mips64-linux-gnu-n32-nan2008 build
PASS: glibcs-mips64-linux-gnu-n32-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n32-soft build
PASS: glibcs-mips64-linux-gnu-n64 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008 build
PASS: glibcs-mips64-linux-gnu-n64-nan2008-soft build
PASS: glibcs-mips64-linux-gnu-n64-soft build
PASS: glibcs-mipsel-linux-gnu build
PASS: glibcs-mipsel-linux-gnu-nan2008 build
PASS: glibcs-mipsel-linux-gnu-nan2008-soft build
PASS: glibcs-mipsel-linux-gnu-soft build
PASS: glibcs-mips-linux-gnu build
PASS: glibcs-mips-linux-gnu-nan2008 build
PASS: glibcs-mips-linux-gnu-nan2008-soft build
PASS: glibcs-mips-linux-gnu-soft build
PASS: glibcs-nios2-linux-gnu build
PASS: glibcs-powerpc64le-linux-gnu build
PASS: glibcs-powerpc64-linux-gnu build
PASS: glibcs-tilegxbe-linux-gnu-32 build
PASS: glibcs-tilegxbe-linux-gnu build
PASS: glibcs-tilegx-linux-gnu-32 build
PASS: glibcs-tilegx-linux-gnu build
PASS: glibcs-tilepro-linux-gnu build
and the following build failures:
FAIL: glibcs-alpha-linux-gnu build
elf/sln is failed to link due to:
assertion fail bfd/elf64-alpha.c:4125
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-hppa-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault]
https://sourceware.org/bugzilla/show_bug.cgi?id=22537
FAIL: glibcs-ia64-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault]
FAIL: glibcs-powerpc-linux-gnu build
FAIL: glibcs-powerpc-linux-gnu-soft build
FAIL: glibcs-powerpc-linux-gnuspe build
FAIL: glibcs-powerpc-linux-gnuspe-e500v1 build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22264
FAIL: glibcs-powerpc-linux-gnu-power4 build
elf/sln is failed to link due to:
findlocale.c:96:(.text+0x22c): @local call to ifunc memchr
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-s390-linux-gnu build
elf/sln is failed to link due to:
collect2: fatal error: ld terminated with signal 11 [Segmentation fault],
core dumped
assertion fail bfd/elflink.c:14299
This is caused by linker bug and/or non-PIC code in PIE libc.a.
FAIL: glibcs-sh3eb-linux-gnu build
FAIL: glibcs-sh3-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu build
FAIL: glibcs-sh4eb-linux-gnu-soft build
FAIL: glibcs-sh4-linux-gnu build
FAIL: glibcs-sh4-linux-gnu-soft build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
Also TLS code sequence in SH assembly syscalls in glibc doesn't match TLS
code sequence expected by ld:
https://sourceware.org/bugzilla/show_bug.cgi?id=22270
FAIL: glibcs-sparc64-linux-gnu build
FAIL: glibcs-sparcv9-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu build
FAIL: glibcs-tilegxbe-linux-gnu-32 build
FAIL: glibcs-tilegx-linux-gnu build
FAIL: glibcs-tilegx-linux-gnu-32 build
FAIL: glibcs-tilepro-linux-gnu build
elf/sln is failed to link due to:
ld: read-only segment has dynamic relocations.
This is caused by linker bug and/or non-PIC code in PIE libc.a. See:
https://sourceware.org/bugzilla/show_bug.cgi?id=22263
[BZ #19574]
* INSTALL: Regenerated.
* Makeconfig (real-static-start-installed-name): New.
(pic-default): Updated for --enable-static-pie.
(pie-default): New for --enable-static-pie.
(default-pie-ldflag): Likewise.
(+link-static-before-libc): Replace $(DEFAULT-LDFLAGS-$(@F))
with $(if $($(@F)-no-pie),$(no-pie-ldflag),$(default-pie-ldflag)).
Replace $(static-start-installed-name) with
$(real-static-start-installed-name).
(+prectorT): Updated for --enable-static-pie.
(+postctorT): Likewise.
(CFLAGS-.o): Add $(pie-default).
(CFLAGS-.op): Likewise.
* NEWS: Mention --enable-static-pie.
* config.h.in (ENABLE_STATIC_PIE): New.
* configure.ac (--enable-static-pie): New configure option.
(have-no-dynamic-linker): New LIBC_CONFIG_VAR.
(have-static-pie): Likewise.
Enable static PIE if linker supports --no-dynamic-linker.
(ENABLE_STATIC_PIE): New AC_DEFINE.
(enable-static-pie): New LIBC_CONFIG_VAR.
* configure: Regenerated.
* csu/Makefile (omit-deps): Add r$(start-installed-name) and
gr$(start-installed-name) for --enable-static-pie.
(extra-objs): Likewise.
(install-lib): Likewise.
(extra-objs): Add static-reloc.o and static-reloc.os
($(objpfx)$(start-installed-name)): Also depend on
$(objpfx)static-reloc.o.
($(objpfx)r$(start-installed-name)): New.
($(objpfx)g$(start-installed-name)): Also depend on
$(objpfx)static-reloc.os.
($(objpfx)gr$(start-installed-name)): New.
* csu/libc-start.c (LIBC_START_MAIN): Call _dl_relocate_static_pie
in libc.a.
* csu/libc-tls.c (__libc_setup_tls): Add main_map->l_addr to
initimage.
* csu/static-reloc.c: New file.
* elf/Makefile (routines): Add dl-reloc-static-pie.
(elide-routines.os): Likewise.
(DEFAULT-LDFLAGS-tst-tls1-static-non-pie): Removed.
(tst-tls1-static-non-pie-no-pie): New.
* elf/dl-reloc-static-pie.c: New file.
* elf/dl-support.c (_dl_get_dl_main_map): New function.
* elf/dynamic-link.h (ELF_DURING_STARTUP): Also check
STATIC_PIE_BOOTSTRAP.
* elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise.
* gmon/Makefile (tests): Add tst-gmon-static-pie.
(tests-static): Likewise.
(DEFAULT-LDFLAGS-tst-gmon-static): Removed.
(tst-gmon-static-no-pie): New.
(CFLAGS-tst-gmon-static-pie.c): Likewise.
(CRT-tst-gmon-static-pie): Likewise.
(tst-gmon-static-pie-ENV): Likewise.
(tests-special): Likewise.
($(objpfx)tst-gmon-static-pie.out): Likewise.
(clean-tst-gmon-static-pie-data): Likewise.
($(objpfx)tst-gmon-static-pie-gprof.out): Likewise.
* gmon/tst-gmon-static-pie.c: New file.
* manual/install.texi: Document --enable-static-pie.
* sysdeps/generic/ldsodefs.h (_dl_relocate_static_pie): New.
(_dl_get_dl_main_map): Likewise.
* sysdeps/i386/configure.ac: Check if linker supports static PIE.
* sysdeps/x86_64/configure.ac: Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure: Likewise.
* sysdeps/mips/Makefile (ASFLAGS-.o): Add $(pie-default).
(ASFLAGS-.op): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=78ec5648565d9ff0f8bd2c2e64de9cb590f4e7b6
commit 78ec5648565d9ff0f8bd2c2e64de9cb590f4e7b6
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Fri Nov 24 07:13:10 2017 -0800
aarch64: fix start code for static pie
with upcoming static pie patches there are three flavors of the crt startup
code:
1) crt1.o used for non-pie static linking (executable has no relocs),
2) Scrt1.o used for dynamic linking (dynamic linker relocates),
3) rcrt1.o used for static pie linking (self relocation is needed)
when crt1.o and rcrt1.o is built in the --enable-static-pie case -DPIC is
passed,
when Scrt1.o is built then -DPIC -DSHARED is passed.
(crt1.o gets a dummy _dl_relocate_static_pie that interposes the one in
libc so no self-relocation is done in that case in __libc_start_main)
the Scrt1.o code is position independent but it relies on GOT entries that
need to be relocated which happens later and the static linker cannot relax
the GOT loads, so rcrt1.o needs separate implementation.
This implementation works with .text <= 4G files, which is fine, currently
the toolchain does not support larger position independent executables.
tests pass with ld/22269 and ld/22263 binutils bugs fixed.
this patch is on top of master but assumes the static pie patches.
* sysdeps/aarch64/start.S (_start): Handle PIC && !SHARED case.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7ffc0d20988284dbfe9b8b74e3b24e060f54ab0f
commit 7ffc0d20988284dbfe9b8b74e3b24e060f54ab0f
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Dec 1 09:49:25 2017 -0800
nios2: Don't use MIN in dl-machine.h
MIN is used, but param.h may not be included, so expand its single use
inline.
* sysdeps/nios2/dl-machine.h (elf_machine_rela): Expand MIN.
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From: arnold@skeeve.com
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Date: Sun, 03 Dec 2017 18:35:00 -0000
To: glibc-bugs@sourceware.org
Subject: How to submit a patch set?
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Hi.
I went through all the changes between the glibc regex and the gawk
regex and have put them together as 17 separate patches. What is the
best way to submit them for inclusion into glibc? I have signed
paperwork for GLIBC so that's not an issue.
I can send one email with 17 attachments, or 17 separate mails, or attach
a tarball, or ...
Please let me know.
Please reply directly; I am not on this mailing list.
Thanks,
Arnold Robbins
Gawk maintainer
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2017-09-20 21:21 ` [Bug math/22146] C++ build issue with float128 on x86_64 joseph at codesourcery dot com
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