GNU bug report logs - #47396
grep-3.6 stack-overflow test fails on fedora rawhide

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#47396: closed (grep-3.6 stack-overflow test fails on fedora
 rawhide)
Date: Mon, 09 Aug 2021 22:30:03 +0000

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Your message dated Mon, 9 Aug 2021 15:29:16 -0700
with message-id <c2d0ebf9-68a3-194f-09e8-e91cf4a01be5 <at> cs.ucla.edu>
and subject line Re: bug#47396: grep-3.6 stack-overflow test fails on fedora rawhide
has caused the debbugs.gnu.org bug report #47396,
regarding grep-3.6 stack-overflow test fails on fedora rawhide
to be marked as done.

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help-debbugs <at> gnu.org.)


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From: Jaroslav Skarvada <jskarvad <at> redhat.com>
To: bug-grep <at> gnu.org
Subject: grep-3.6 stack-overflow test fails on fedora rawhide
Date: Thu, 25 Mar 2021 14:53:18 -0400 (EDT)

Hi,

on fedora rawhide the stack-overflow test is failing for grep-3.6:
...
stack-overflow: failed test: grep never printed "stack overflow"
FAIL: stack-overflow
..

Manual run:
# ASAN_OPTIONS=help=true grep --version 2>&1 | grep -q AddressSanitizer
# echo $?
1

# i=3;printf %0${i}0000d 0|tr 0 '(' > in
# ./grep -E -f in
Segmentation fault (core dumped)

Running through valgrind:
==58== Process terminating with default action of signal 11 (SIGSEGV)
==58==  Access not within mapped region at address 0x1FFE801FF8
==58== Stack overflow in thread #1: can't grow stack to 0x1ffe801000
==58==    at 0x49A418A: peek_token (in /usr/lib64/libc-2.33.9000.so)
==58==  If you believe this happened as a result of a stack
==58==  overflow in your program's main thread (unlikely but
==58==  possible), you can try to increase the size of the
==58==  main thread stack using the --main-stacksize= flag.
==58==  The main thread stack size used in this run was 8388608.

Compiled with:
CFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64  -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection'
LDFLAGS='-Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld '

thanks & regards

Jaroslav

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Jaroslav Skarvada <jskarvad <at> redhat.com>
Cc: 47396-done <at> debbugs.gnu.org
Subject: Re: bug#47396: grep-3.6 stack-overflow test fails on fedora rawhide
Date: Mon, 9 Aug 2021 15:29:16 -0700

On 8/9/21 3:23 PM, Jaroslav Skarvada wrote:
> I resolved it downstream by backporting gnulib patches from the gnulib
> git [1], so I think the new grep release with the up-to-date gnulib
> should resolve it.

Thanks. Closing the grep bug report.

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