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Noah Goldstein ac87df8d75 x86: Fallback {str|wcs}cmp RTM in the ncmp overflow case [BZ #29127] 
Re-cherry-pick commit c627209832 for strcmp-avx2.S change which was
omitted in intial cherry pick because at the time this bug was not
present on release branch.

Fixes BZ #29127.

In the overflow fallback strncmp-avx2-rtm and wcsncmp-avx2-rtm would
call strcmp-avx2 and wcscmp-avx2 respectively. This would have
not checks around vzeroupper and would trigger spurious
aborts. This commit fixes that.

test-strcmp, test-strncmp, test-wcscmp, and test-wcsncmp all pass on
AVX2 machines with and without RTM.

Co-authored-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit c627209832)
2022-05-25 14:30:20 -07:00
..
aarch64 elf: Fix runtime linker auditing on aarch64 (BZ #26643) 2022-02-01 14:49:46 -03:00
alpha Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
arc Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
arm Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
csky Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
generic csu: Implement and use _dl_early_allocate during static startup 2022-05-17 08:08:52 +02:00
gnu Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
hppa hppa: Fix warnings from _dl_lookup_address 2022-03-03 21:18:22 +00:00
htl htl: Fix build error in annexc 2022-01-17 23:18:27 +00:00
hurd hurd: Fix pthread_kill on exiting/ted thread 2022-01-15 15:11:54 +01:00
i386 i386: Regenerate ulps 2022-04-27 21:17:50 -04:00
ia64 elf: Issue la_symbind for bind-now (BZ #23734) 2022-02-01 14:49:46 -03:00
ieee754 math: Fix float conversion regressions with gcc-12 [BZ #28713] 2022-01-10 14:27:17 +00:00
m68k m68k: Handle fewer relocations for RTLD_BOOTSTRAP (#BZ29071) 2022-04-20 14:54:27 -07:00
mach rtld: Use generic argv adjustment in ld.so [BZ #23293] 2022-05-19 10:48:52 +01:00
microblaze Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
mips elf: Add <dl-r_debug.h> 2022-01-31 07:05:48 -08:00
nios2 Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nptl nptl: Handle spurious EINTR when thread cancellation is disabled (BZ#29029) 2022-04-15 09:44:02 -03:00
or1k or1k: Define PI_STATIC_AND_HIDDEN 2022-02-02 20:05:12 +09:00
posix getcwd: Set errno to ERANGE for size == 1 (CVE-2021-3999) 2022-01-24 11:00:17 +05:30
powerpc elf: Issue la_symbind for bind-now (BZ #23734) 2022-02-01 14:49:46 -03:00
pthread nptl: Handle spurious EINTR when thread cancellation is disabled (BZ#29029) 2022-04-15 09:44:02 -03:00
riscv Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
s390 S390: Enable static PIE 2022-05-19 09:46:56 +02:00
sh Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
sparc Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
unix linux: Add a getauxval test [BZ #23293] 2022-05-19 10:48:52 +01:00
wordsize-32 Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
wordsize-64 Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
x86 x86: Improve L to support L(XXX_SYMBOL (YYY, ZZZ)) 2022-05-16 10:20:57 -07:00
x86_64 x86: Fallback {str|wcs}cmp RTM in the ncmp overflow case [BZ #29127] 2022-05-25 14:30:20 -07:00