GNU bug report logs - #46227
Test failure on SPARC (stack-overflow)

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Sam James <sam <at> gentoo.org>
To: bug-grep <at> gnu.org
Subject: Test failure on SPARC (stack-overflow)
Date: Mon, 1 Feb 2021 04:02:09 +0000

[Message part 1 (text/plain, inline)]

Hi,

The stack-overflow fails for me on SPARC on Gentoo GNU/Linux with grep 3.5 and grep 3.6.

I’ve included stack-overflow.log from grep 3.6, let me know what other information is required.

It looks it fails with the second test case. The following backtrace is with -Os -ggdb3.
(gdb) r
Starting program: /var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/src/grep -E -f in
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x0000010000026908 in peek_token (token=0x10000aa9f30, input=0x10000aa9f30, syntax=1099522809648) at regcomp.c:1784
1784    {
(gdb) bt
#0  0x0000010000026908 in peek_token (token=0x10000aa9f30, input=0x10000aa9f30, syntax=1099522809648) at regcomp.c:1784
#1  0x0000010000aa9f38 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb)

Thanks,
Sam

++ initial_cwd_=/var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests
+++ testdir_prefix_
+++ printf gt
++ pfx_=gt
+++ mktempd_ /var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests gt-stack-overflow.XXXX
+++ case $# in
+++ destdir_=/var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests
+++ template_=gt-stack-overflow.XXXX
+++ MAX_TRIES_=4
+++ case $destdir_ in
+++ destdir_slash_=/var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/
+++ case $template_ in
++++ unset TMPDIR
+++ d=/var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/gt-stack-overflow.bWE3
+++ case $d in
+++ :
+++ test -d /var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/gt-stack-overflow.bWE3
++++ ls -dgo /var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/gt-stack-overflow.bWE3
+++ perms='drwx------ 2 4096 Jan 31 19:39 /var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/gt-stack-overflow.bWE3'
+++ case $perms in
+++ :
+++ echo /var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/gt-stack-overflow.bWE3
+++ return
++ test_dir_=/var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/gt-stack-overflow.bWE3
++ cd /var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/gt-stack-overflow.bWE3
++ case $srcdir in
++ srcdir=../.
++ builddir=..
++ export srcdir builddir
++ gl_init_sh_nl_='
'
++ IFS='
'
++ for sig_ in 1 2 3 13 15
+++ expr 1 + 128
++ eval 'trap '\''Exit 129'\'' 1'
+++ trap 'Exit 129' 1
++ for sig_ in 1 2 3 13 15
+++ expr 2 + 128
++ eval 'trap '\''Exit 130'\'' 2'
+++ trap 'Exit 130' 2
++ for sig_ in 1 2 3 13 15
+++ expr 3 + 128
++ eval 'trap '\''Exit 131'\'' 3'
+++ trap 'Exit 131' 3
++ for sig_ in 1 2 3 13 15
+++ expr 13 + 128
++ eval 'trap '\''Exit 141'\'' 13'
+++ trap 'Exit 141' 13
++ for sig_ in 1 2 3 13 15
+++ expr 15 + 128
++ eval 'trap '\''Exit 143'\'' 15'
+++ trap 'Exit 143' 15
++ trap remove_tmp_ 0
+ path_prepend_ ../src
+ test 1 '!=' 0
+ path_dir_=../src
+ case $path_dir_ in
+ abs_path_dir_=/var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/../src
+ case $abs_path_dir_ in
+ PATH=/var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/../src:/var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/src:./src:/usr/lib/portage/python3.7/ebuild-helpers/xattr:/usr/lib/portage/python3.7/ebuild-helpers:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin
+ create_exe_shims_ /var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/../src
+ case $EXEEXT in
+ return 0
+ shift
+ test 0 '!=' 0
+ export PATH
+ case $host_triplet in
+ ASAN_OPTIONS=help=true
+ grep --version
+ grep -q AddressSanitizer
+ echo grep: stack overflow
+ ulimit -s 8192
+ fail=0
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %010000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31:  5295 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %030000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31:  6967 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %050000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31:  7744 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %0100000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31:  9058 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %0200000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31:  9501 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %0300000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31: 10004 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %0400000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31: 10481 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %0500000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31: 10862 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %01000000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31: 11255 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %02000000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31: 11576 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %04000000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31: 11989 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ for i in 1 3 5 10 20 30 40 50 100 200 400 1000
+ printf %010000000d 0
+ tr 0 '('
+ LC_ALL=C
+ env -- tr 0 '('
+ grep -E -f in
./stack-overflow: line 31: 12600 Segmentation fault      (core dumped) grep -E -f in > out 2> err
+ st=139
+ grep -q 'stack overflow' err
+ test 139 = 1
+ fail_ 'grep never printed "stack overflow"'
+ warn_ 'stack-overflow: failed test: grep never printed "stack overflow"'
+ case $IFS in
+ printf '%s\n' 'stack-overflow: failed test: grep never printed "stack overflow"'
stack-overflow: failed test: grep never printed "stack overflow"
+ test 9 = 2
+ printf '%s\n' 'stack-overflow: failed test: grep never printed "stack overflow"'
+ sed 1q
+ Exit 1
+ set +e
+ exit 1
+ exit 1
+ remove_tmp_
+ __st=1
+ cleanup_
+ :
+ test '' = yes
+ cd /var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests
+ chmod -R u+rwx /var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/gt-stack-overflow.bWE3
+ rm -rf /var/tmp/portage/sys-apps/grep-3.6/work/grep-3.6/tests/gt-stack-overflow.bWE3
+ exit 1
FAIL stack-overflow (exit status: 1)

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Message #8 received at 46227 <at> debbugs.gnu.org (full text, mbox):

From: Sam James <sam <at> gentoo.org>
To: 46227 <at> debbugs.gnu.org
Subject: gnulib failure
Date: Mon, 1 Feb 2021 08:51:11 +0000

[Message part 1 (text/plain, inline)]

Note that regcomp.c is part of gnulib.

gnulib's corresponding test fails too:

# ./test-c-stack
test-c-stack: program error
Segmentation fault (core dumped)

Should I report the bug to them instead?

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Message #11 received at 46227 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Sam James <sam <at> gentoo.org>
Cc: 46227 <at> debbugs.gnu.org
Subject: Re: bug#46227: Test failure on SPARC (stack-overflow)
Date: Mon, 1 Feb 2021 16:02:37 -0800

Thanks for reporting the bug. This is most likely a problem with the 
Gnulib c-stack module. Perhaps you can move things forward by running it 
separately and seeing whether it works. Something like this perhaps:

git clone https://git.savannah.gnu.org/git/gnulib.git
cd gnulib
./gnulib-tool --create-testdir --dir foo c-stack
cd foo
./configure
make
make check

If this reports a problem please send email to bug-gnulib <at> gnu.org.

Message #14 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Sam James <sam <at> gentoo.org>
To: bug-grep <at> gnu.org
Cc: Paul Eggert <eggert <at> cs.ucla.edu>
Subject: Re: bug#46227: Test failure on SPARC (stack-overflow)
Date: Wed, 3 Feb 2021 03:49:52 +0000

[Message part 1 (text/plain, inline)]

> On 2 Feb 2021, at 00:02, Paul Eggert <eggert <at> cs.ucla.edu> wrote:
> 

Hi Paul,

> Thanks for reporting the bug. This is most likely a problem with the Gnulib c-stack module. Perhaps you can move things forward by running it separately and seeing whether it works. Something like this perhaps:
> 

No problem, thanks for the software and maintenance!

> git clone https://git.savannah.gnu.org/git/gnulib.git
> cd gnulib
> ./gnulib-tool --create-testdir --dir foo c-stack
> cd foo
> ./configure
> make
> make check
> 
> If this reports a problem please send email to bug-gnulib <at> gnu.org.

This fails on the c-stack test, so I’ve gone ahead and reported it there as requested:
https://lists.gnu.org/archive/html/bug-gnulib/2021-02/msg00002.html.

Thanks!

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Message #17 received at 46227 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Sam James <sam <at> gentoo.org>
Cc: 46227 <at> debbugs.gnu.org
Subject: Re: Test failure on SPARC (stack-overflow)
Date: Mon, 9 Aug 2021 15:51:02 -0700

The stack-overflow bug you reported <https://bugs.gnu.org/46227> appears 
to be fixed on SPARC Solaris 10. Could you please try again on SPARC 
Gentoo? You can use the new grep snapshot, announced here:

https://lists.gnu.org/r/grep-devel/2021-08/msg00003.html

Thankss.

Message #20 received at 46227 <at> debbugs.gnu.org (full text, mbox):

From: Jim Meyering <jim <at> meyering.net>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 46227 <at> debbugs.gnu.org, Sam James <sam <at> gentoo.org>
Subject: Re: bug#46227: Test failure on SPARC (stack-overflow)
Date: Sat, 14 Aug 2021 12:50:10 +0200

On Tue, Aug 10, 2021 at 6:53 AM Paul Eggert <eggert <at> cs.ucla.edu> wrote:
> The stack-overflow bug you reported <https://bugs.gnu.org/46227> appears
> to be fixed on SPARC Solaris 10. Could you please try again on SPARC
> Gentoo? You can use the new grep snapshot, announced here:
>
> https://lists.gnu.org/r/grep-devel/2021-08/msg00003.html
>
> Thankss.

Thanks for the report.
It sounds like this is resolved, so I will not delay the release for it.
Please let us know if it is really resolved.

Message #31 received at 46227 <at> debbugs.gnu.org (full text, mbox):

From: Sam James <sam <at> gentoo.org>
To: 46227 <at> debbugs.gnu.org
Date: Thu, 14 Oct 2021 08:01:51 +0100

[Message part 1 (text/plain, inline)]

Hi,

I'm sorry for missing your earlier question -- yes, it's working great in 3.7,
and I really appreciate the help from you both.

Cheers,
sam

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Message #34 received at 46227-done <at> debbugs.gnu.org (full text, mbox):

From: Jim Meyering <jim <at> meyering.net>
To: Sam James <sam <at> gentoo.org>
Cc: 46227-done <at> debbugs.gnu.org
Subject: Re: bug#46227:
Date: Thu, 14 Oct 2021 15:26:40 -0700

On Thu, Oct 14, 2021 at 12:03 AM Sam James <sam <at> gentoo.org> wrote:
> I'm sorry for missing your earlier question -- yes, it's working great in 3.7,
> and I really appreciate the help from you both.

Thanks for confirming it's resolved.
Closing this ticket.

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