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H.J. Lu 422ff87c24 Avoid accessing corrupted stack from __stack_chk_fail [BZ #21752] 
__libc_argv[0] points to address on stack and __libc_secure_getenv
accesses environment variables which are on stack.  We should avoid
accessing stack when stack is corrupted.

This patch also renames function argument in __fortify_fail_abort
from do_backtrace to need_backtrace to avoid confusion with do_backtrace
from enum __libc_message_action.

	[BZ #21752]
	* debug/fortify_fail.c (__fortify_fail_abort): Don't pass down
	__libc_argv[0] if we aren't doing backtrace.  Rename do_backtrace
	to need_backtrace.
	* sysdeps/posix/libc_fatal.c (__libc_message): Don't call
	__libc_secure_getenv if we aren't doing backtrace.
 		2017-07-24 06:06:24 -07:00
..
Depend
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Makefile Don't add stack_chk_fail_local.o to libc.a [BZ #21740] 2017-07-19 08:21:46 -07:00
Versions New string function explicit_bzero (from OpenBSD). 2016-12-16 16:21:54 -05:00
asprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
backtrace-tst.c
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backtrace.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
backtracesyms.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
backtracesymsfd.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
catchsegv.sh Update copyright dates not handled by scripts/update-copyrights. 2017-01-01 00:26:24 +00:00
chk_fail.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
confstr_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
dprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
execinfo.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
explicit_bzero_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fdelt_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fgets_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fgets_u_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fgetws_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fgetws_u_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fortify_fail.c Avoid accessing corrupted stack from __stack_chk_fail [BZ #21752] 2017-07-24 06:06:24 -07:00
fprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fread_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fread_u_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
fwprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
getcwd_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
getdomainname_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
getgroups_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
gethostname_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
gets_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
getwd_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
longjmp_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
mbsnrtowcs_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
mbsrtowcs_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
mbstowcs_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
memcpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
memmove_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
mempcpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
memset_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
noophooks.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
obprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
pcprofile.c Narrowing the visibility of libc-internal.h even further. 2017-03-01 20:33:46 -05:00
pcprofiledump.c Update copyright dates not handled by scripts/update-copyrights. 2017-01-01 00:26:24 +00:00
poll_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
ppoll_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
pread64_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
pread_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
printf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
read_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
readlink_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
readlinkat_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
readonly-area.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
realpath_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
recv_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
recvfrom_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
segfault.c Fix struct sigaltstack namespace (bug 21517). 2017-06-05 10:17:46 +00:00
snprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
sprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
stack_chk_fail.c Avoid backtrace from __stack_chk_fail [BZ #12189] 2017-07-11 07:44:14 -07:00
stack_chk_fail_local.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
stpcpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
stpncpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
strcat_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
strcpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
strncat_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
strncpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
swprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
test-stpcpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
test-strcpy_chk.c Update string tests to use the support test driver. 2017-03-23 11:32:29 -03:00
tst-backtrace.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
tst-backtrace2.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
tst-backtrace3.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
tst-backtrace4.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
tst-backtrace5.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
tst-backtrace6.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
tst-chk1.c Clean up conditionals for declaration of gets. 2017-02-25 09:47:51 -05:00
tst-chk2.c
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tst-chk3.c
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tst-chk4.cc
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tst-chk5.cc
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tst-chk6.cc
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tst-lfschk1.c
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tst-lfschk2.c
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tst-lfschk3.c
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tst-lfschk4.cc
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tst-lfschk5.cc
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tst-lfschk6.cc
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tst-longjmp_chk.c
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tst-longjmp_chk2.c test-skeleton.c: Add write_message function 2016-06-23 11:00:36 +02:00
tst-longjmp_chk3.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
tst-ssp-1.c Avoid backtrace from __stack_chk_fail [BZ #12189] 2017-07-11 07:44:14 -07:00
ttyname_r_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
vasprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
vdprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
vfprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
vfwprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
vprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
vsnprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
vsprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
vswprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
vwprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
warning-nop.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wcpcpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wcpncpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wcrtomb_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wcscat_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wcscpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wcsncat_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wcsncpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wcsnrtombs_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wcsrtombs_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wcstombs_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wctomb_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wmemcpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wmemmove_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wmempcpy_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wmemset_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
wprintf_chk.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
xtrace.sh Update copyright dates not handled by scripts/update-copyrights. 2017-01-01 00:26:24 +00:00