* [Bug c/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
@ 2021-09-16 10:38 ` marxin at gcc dot gnu.org
2021-09-16 12:34 ` dac324 at yahoo dot de
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From: marxin at gcc dot gnu.org @ 2021-09-16 10:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |marxin at gcc dot gnu.org
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2021-09-16
Ever confirmed|0 |1
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Please isolate a pre-processed source file (-E) option and attach it here
together with the used command line.
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug c/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
2021-09-16 10:38 ` [Bug c/102361] " marxin at gcc dot gnu.org
@ 2021-09-16 12:34 ` dac324 at yahoo dot de
2021-09-16 12:36 ` jakub at gcc dot gnu.org
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From: dac324 at yahoo dot de @ 2021-09-16 12:34 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
--- Comment #2 from DAC324 <dac324 at yahoo dot de> ---
Please let me kindly ask you for instructions on how to do that.
As described in the introduction, I was trying to compile the Linux kernel from
the usual source tarball available on kernel.org.
What I did after extracting the sources was:
make menuconfig
make
If I understand correctly, I will have to interrupt the make process to extract
a pre-processed source file?
Please let me kindly ask for additional guidance.
Thank you very much and kind regards.
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug c/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
2021-09-16 10:38 ` [Bug c/102361] " marxin at gcc dot gnu.org
2021-09-16 12:34 ` dac324 at yahoo dot de
@ 2021-09-16 12:36 ` jakub at gcc dot gnu.org
2021-09-16 13:29 ` dac324 at yahoo dot de
` (12 subsequent siblings)
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From: jakub at gcc dot gnu.org @ 2021-09-16 12:36 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
See https://gcc.gnu.org/bugs/
On the kernel side, I guess you want to use make V=1 so that it shows the
compiler command lines, then copy & paste relevant command both here and into
command line where you add -save-temps to it to get preprocessed source.
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug c/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (2 preceding siblings ...)
2021-09-16 12:36 ` jakub at gcc dot gnu.org
@ 2021-09-16 13:29 ` dac324 at yahoo dot de
2021-09-16 13:29 ` dac324 at yahoo dot de
` (11 subsequent siblings)
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From: dac324 at yahoo dot de @ 2021-09-16 13:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
--- Comment #4 from DAC324 <dac324 at yahoo dot de> ---
Please let me kindly ask you for instructions on how to do that.
As described in the introduction, I was trying to compile the Linux kernel from
the usual source tarball available on kernel.org.
What I did after extracting the sources was:
make menuconfig
make
If I understand correctly, I will have to interrupt the make process to extract
a pre-processed source file?
Please let me kindly ask for additional guidance.
Thank you very much and kind regards.
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug c/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (3 preceding siblings ...)
2021-09-16 13:29 ` dac324 at yahoo dot de
@ 2021-09-16 13:29 ` dac324 at yahoo dot de
2021-09-16 13:41 ` dac324 at yahoo dot de
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From: dac324 at yahoo dot de @ 2021-09-16 13:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
--- Comment #5 from DAC324 <dac324 at yahoo dot de> ---
OK, here we go:
make -f ./scripts/Makefile.build obj=mm/kfence \
\
need-builtin=1 \
need-modorder=1
gcc -Wp,-MMD,mm/.memcontrol.o.d -nostdinc -isystem
/usr/lib/gcc/x86_64-pc-linux-gnu/12.0.0/include -I./arch/x86/include
-I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi
-I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi
-include ./include/linux/compiler-version.h -include ./include/linux/kconfig.h
-include ./include/linux/compiler_types.h -D__KERNEL__ -fmacro-prefix-map=./=
-Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing
-fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration
-Werror=implicit-int -Werror=return-type -Wno-format-security -std=gnu89
-mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -fcf-protection=none -m64
-falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387
-mpreferred-stack-boundary=3 -mskip-rax-setup -march=sandybridge -mno-red-zone
-mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables
-mindirect-branch=thunk-extern -mindirect-branch-register -fno-jump-tables
-fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation
-Wno-format-overflow -Wno-address-of-packed-member -O2
-fno-allow-store-data-races -Wframe-larger-than=2048 -fstack-protector-strong
-Wimplicit-fallthrough=5 -Wno-unused-but-set-variable
-Wno-unused-const-variable -fno-stack-clash-protection -g -gdwarf-4 -pg
-mrecord-mcount -mfentry -DCC_USING_FENTRY -Wdeclaration-after-statement -Wvla
-Wno-pointer-sign -Wno-stringop-truncation -Wno-zero-length-bounds
-Wno-array-bounds -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized
-fno-strict-overflow -fno-stack-check -fconserve-stack -Werror=date-time
-Werror=incompatible-pointer-types -Werror=designated-init
-Wno-packed-not-aligned -fplugin=./scripts/gcc-plugins/structleak_plugin.so
-fplugin-arg-structleak_plugin-byref-all -DSTRUCTLEAK_PLUGIN
-DKBUILD_MODFILE='"mm/memcontrol"' -DKBUILD_BASENAME='"memcontrol"'
-DKBUILD_MODNAME='"memcontrol"' -D__KBUILD_MODNAME=kmod_memcontrol -c -o
mm/memcontrol.o mm/memcontrol.c
In file included from ./include/linux/string.h:262,
from ./include/linux/bitmap.h:10,
from ./include/linux/cpumask.h:12,
from ./arch/x86/include/asm/paravirt.h:17,
from ./arch/x86/include/asm/irqflags.h:63,
from ./include/linux/irqflags.h:16,
from ./include/linux/rcupdate.h:26,
from ./include/linux/rculist.h:11,
from ./include/linux/pid.h:5,
from ./include/linux/sched.h:14,
from ./include/linux/cgroup.h:12,
from ./include/linux/memcontrol.h:13,
from mm/memcontrol.c:29:
In function 'memset',
inlined from 'uncharge_gather_clear.part.0' at mm/memcontrol.c:6835:2:
./include/linux/fortify-string.h:172:17: error: call to '__write_overflow'
declared with attribute error: detected write beyond size of object passed as
1st parameter
172 | __write_overflow();
| ^~~~~~~~~~~~~~~~~~
make[1]: *** [scripts/Makefile.build:271: mm/memcontrol.o] Error 1
make: *** [Makefile:1851: mm] Error 2
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug c/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (4 preceding siblings ...)
2021-09-16 13:29 ` dac324 at yahoo dot de
@ 2021-09-16 13:41 ` dac324 at yahoo dot de
2021-09-16 13:42 ` dac324 at yahoo dot de
` (9 subsequent siblings)
15 siblings, 0 replies; 17+ messages in thread
From: dac324 at yahoo dot de @ 2021-09-16 13:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
--- Comment #6 from DAC324 <dac324 at yahoo dot de> ---
Created attachment 51469
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51469&action=edit
File mm/memcontrol.c saved with -save-temps option
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug c/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (5 preceding siblings ...)
2021-09-16 13:41 ` dac324 at yahoo dot de
@ 2021-09-16 13:42 ` dac324 at yahoo dot de
2021-09-16 13:45 ` dac324 at yahoo dot de
` (8 subsequent siblings)
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From: dac324 at yahoo dot de @ 2021-09-16 13:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
--- Comment #7 from DAC324 <dac324 at yahoo dot de> ---
Created attachment 51470
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51470&action=edit
File mm/memcontrol.c saved with -save-temps option (2/2)
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug c/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (6 preceding siblings ...)
2021-09-16 13:42 ` dac324 at yahoo dot de
@ 2021-09-16 13:45 ` dac324 at yahoo dot de
2021-09-16 22:57 ` [Bug middle-end/102361] " pinskia at gcc dot gnu.org
` (7 subsequent siblings)
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From: dac324 at yahoo dot de @ 2021-09-16 13:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
--- Comment #8 from DAC324 <dac324 at yahoo dot de> ---
This is the first error; if make is used with -j greater than 1, several of
those errors occur (see introduction).
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug middle-end/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (7 preceding siblings ...)
2021-09-16 13:45 ` dac324 at yahoo dot de
@ 2021-09-16 22:57 ` pinskia at gcc dot gnu.org
2021-09-16 22:57 ` pinskia at gcc dot gnu.org
` (6 subsequent siblings)
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From: pinskia at gcc dot gnu.org @ 2021-09-16 22:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
<bb 20> [local count: 329188777]:
uncharge_batch (ug_26(D));
p_size_95 = __builtin_object_size (ug_26(D), 0);
if (p_size_95 <= 39)
goto <bb 22>; [0.00%]
else
goto <bb 21>; [100.00%]
<bb 21> [local count: 329188777]:
__builtin_memset (ug_26(D), 0, 40);
goto <bb 23>; [100.00%]
<bb 22> [count: 0]:
uncharge_gather_clear.part.0 ();
uncharge_gather_clear.part.0 has
;; Function uncharge_gather_clear.part.0 (uncharge_gather_clear.part.0,
funcdef_no=6447, decl_uid=102103, cgraph_uid=6834, symbol_order=7294) (unlikely
executed)
__attribute__((no_instrument_function, unused, gnu_inline))
void uncharge_gather_clear.part.0 ()
{
<bb 2> [count: 0]:
__write_overflow ();
fortify_panic (&__func__);
}
I Knew I had saw this before.
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug middle-end/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (8 preceding siblings ...)
2021-09-16 22:57 ` [Bug middle-end/102361] " pinskia at gcc dot gnu.org
@ 2021-09-16 22:57 ` pinskia at gcc dot gnu.org
2021-09-16 22:59 ` [Bug ipa/102361] " pinskia at gcc dot gnu.org
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From: pinskia at gcc dot gnu.org @ 2021-09-16 22:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |UNCONFIRMED
Ever confirmed|1 |0
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug ipa/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (9 preceding siblings ...)
2021-09-16 22:57 ` pinskia at gcc dot gnu.org
@ 2021-09-16 22:59 ` pinskia at gcc dot gnu.org
2021-09-16 22:59 ` pinskia at gcc dot gnu.org
` (4 subsequent siblings)
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From: pinskia at gcc dot gnu.org @ 2021-09-16 22:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |94818
--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Similar to PR 94818 and 92497.
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94818
[Bug 94818] GCC emits dead bodies of functions whose all calls have been
eliminated by optimisations
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug ipa/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (10 preceding siblings ...)
2021-09-16 22:59 ` [Bug ipa/102361] " pinskia at gcc dot gnu.org
@ 2021-09-16 22:59 ` pinskia at gcc dot gnu.org
2021-09-16 23:00 ` pinskia at gcc dot gnu.org
` (3 subsequent siblings)
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From: pinskia at gcc dot gnu.org @ 2021-09-16 22:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |94818, 101941
Blocks|94818 |
--- Comment #11 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #9)
> I Knew I had saw this before.
Yes I did, PR 101941.
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94818
[Bug 94818] GCC emits dead bodies of functions whose all calls have been
eliminated by optimisations
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101941
[Bug 101941] [12 Regression] Linux kernel build failure due to retaining
fnsplit fragment with __attribute__((__error__))
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug ipa/102361] Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (11 preceding siblings ...)
2021-09-16 22:59 ` pinskia at gcc dot gnu.org
@ 2021-09-16 23:00 ` pinskia at gcc dot gnu.org
2021-09-17 7:24 ` [Bug ipa/102361] Errors compiling Linux kernel 5.14 " dac324 at yahoo dot de
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From: pinskia at gcc dot gnu.org @ 2021-09-16 23:00 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #12 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Actually this is an exact dup of bug 101941.
*** This bug has been marked as a duplicate of bug 101941 ***
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug ipa/102361] Errors compiling Linux kernel 5.14 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (12 preceding siblings ...)
2021-09-16 23:00 ` pinskia at gcc dot gnu.org
@ 2021-09-17 7:24 ` dac324 at yahoo dot de
2021-09-17 7:41 ` pinskia at gcc dot gnu.org
2022-01-18 10:36 ` pinskia at gcc dot gnu.org
15 siblings, 0 replies; 17+ messages in thread
From: dac324 at yahoo dot de @ 2021-09-17 7:24 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
--- Comment #13 from DAC324 <dac324 at yahoo dot de> ---
Sorry for duplicate reporting. For me, the error message
'__write_overflow' declared with attribute error: detected write beyond size of
object passed as 1st parameter
and its counterpart
'__read_overflow2' declared with attribute error: detected read beyond size of
object passed as 2nd parameter
did not point me to using
fnsplit fragment with __attribute__((__error__))
as a correct search term, in the first instance.
Please apologize for the inconvenience.
Just FYI (although I assume you know this already):
With CONFIG_FORTIFY=n, you will be able to build the kernel but it will not run
satisfactorily, if able to boot at all.
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug ipa/102361] Errors compiling Linux kernel 5.14 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (13 preceding siblings ...)
2021-09-17 7:24 ` [Bug ipa/102361] Errors compiling Linux kernel 5.14 " dac324 at yahoo dot de
@ 2021-09-17 7:41 ` pinskia at gcc dot gnu.org
2022-01-18 10:36 ` pinskia at gcc dot gnu.org
15 siblings, 0 replies; 17+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-09-17 7:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
--- Comment #14 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to DAC324 from comment #13)
> Sorry for duplicate reporting. For me, the error message
> Please apologize for the inconvenience.
It is ok, it is good that you filed the bug. I have been doing a lot of
cleanup of GCC's bugzilla lately so I have some memory of some of the more
recent bugs filed. Searching bugzilla to know if there was a dup filed is a
huge task even so I don't think most people will be doing it.
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Bug ipa/102361] Errors compiling Linux kernel 5.14 with CONFIG_FORTIFY=y
2021-09-16 9:59 [Bug c/102361] New: Errors compiling Linux kernel 5.14.4 with CONFIG_FORTIFY=y dac324 at yahoo dot de
` (14 preceding siblings ...)
2021-09-17 7:41 ` pinskia at gcc dot gnu.org
@ 2022-01-18 10:36 ` pinskia at gcc dot gnu.org
15 siblings, 0 replies; 17+ messages in thread
From: pinskia at gcc dot gnu.org @ 2022-01-18 10:36 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102361
Bug 102361 depends on bug 101941, which changed state.
Bug 101941 Summary: [12 Regression] Linux kernel build failure due to retaining fnsplit fragment with __attribute__((__error__))
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101941
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
^ permalink raw reply [flat|nested] 17+ messages in thread