[Fedora-i18n-bugs] [Bug 483181] New: msggrep segfaults when $ anchor is used

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Summary: msggrep segfaults when $ anchor is used

https://bugzilla.redhat.com/show_bug.cgi?id=483181

           Summary: msggrep segfaults when $ anchor is used
           Product: Fedora
           Version: 9
          Platform: i686
               URL: https://savannah.gnu.org/bugs/index.php?25437
        OS/Version: Linux
            Status: NEW
          Severity: medium
          Priority: low
         Component: gettext
        AssignedTo: petersen(a)redhat.com
        ReportedBy: sflaniga(a)redhat.com
         QAContact: extras-qa(a)fedoraproject.org
                CC: petersen(a)redhat.com, fedora-i18n-bugs(a)redhat.com
   Estimated Hours: 0.0
    Classification: Fedora
    Target Release: ---


Description of problem:
msggrep segfaults when $ anchor is used in regex

Version-Release number of selected component (if applicable):
0.17-4.fc9

How reproducible:
About 15 out of 16 runs.

Steps to Reproduce:
1.echo a=b | msggrep -P -K -e '^a$' 

Actual results:
Segmentation fault (15/16 runs) or 
no matches (1/16 runs)

Expected results:
One matching string

Additional info:
May be connected to https://savannah.gnu.org/bugs/index.php?25437.  (My locally
compiled gettext-0.17 doesn't segfault, but never returns the expected
matches.)

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[Fedora-i18n-bugs] [Bug 483181] msggrep segfaults when $ anchor is used

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=483181


Jens Petersen <petersen(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Platform|i686                        |All
            Version|9                           |10




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[Fedora-i18n-bugs] [Bug 483181] msggrep segfaults when $ anchor is used

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=483181





--- Comment #1 from Jens Petersen <petersen(a)redhat.com&gt;  2009-01-30 00:05:57 EDT
---
Here is a gdb backtrace:

$ cat > /tmp/test.properties
a=b
$ sudo debuginfo-install gettext glibc
$ gdb msggrep
GNU gdb Fedora (6.8-29.fc10)
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu"...
(gdb) set args -P -K -E -e ^a\$ ~/tmp/test.properties
(gdb) r
Starting program: /usr/bin/msggrep -P -K -E -e ^a\$ ~/tmp/test.properties

Program received signal SIGSEGV, Segmentation fault.
dfaexec (d=0x61a0c8, begin=0x61a8b0 "a", size=<value optimized out>, 
    backref=0x7fffffffd49c) at dfa.c:2833
2833   s = t[*p++];
(gdb) bt
#0  dfaexec (d=0x61a0c8, begin=0x61a8b0 "a", size=<value optimized out>, 
    backref=0x7fffffffd49c) at dfa.c:2833
#1  0x0000000000404336 in EGexecute (compiled_pattern=0x61a0c0, 
    buf=0x61a8b0 "a", buf_size=1, match_size=0x7fffffffd4f0, exact=false)
    at m-regex.c:362
#2  0x0000000000402425 in is_string_selected (grep_pass=<value optimized out>, 
    str=0x352873c4c8 "double free or corruption (fasttop)", len=6407344)
    at msggrep.c:672
#3  0x00000000004032fb in is_message_selected_no_invert (mp=0x61d8b0)
    at msggrep.c:703
#4  0x00000000004035cf in is_message_selected (mp=0x352896da00)
    at msggrep.c:807
#5  0x0000003529a0858b in message_list_remove_if_not (mlp=0x61a740, 
    predicate=0x4035c0 <is_message_selected>) at message.c:410
#6  0x0000000000402fb2 in process_message_list () at msggrep.c:824
#7  process_msgdomain_list () at msggrep.c:834
#8  main (argc=7, argv=0x7fffffffe708) at msggrep.c:465

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[Fedora-i18n-bugs] [Bug 483181] msggrep segfaults when $ anchor is used

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=483181


Jens Petersen <petersen(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |i18n, MoveUpstream




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[Fedora-i18n-bugs] [Bug 483181] msggrep segfaults when $ anchor is used

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=483181


Jens Petersen <petersen(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED




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[Fedora-i18n-bugs] [Bug 483181] msggrep segfaults when $ anchor is used

[Red Hat Bugzilla]

Please do not reply directly to this email. All additional
comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=483181


Jens Petersen <petersen(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |CLOSED
         Resolution|                            |UPSTREAM




--- Comment #5 from Jens Petersen <petersen(a)redhat.com&gt;  2009-10-27 02:25:41 EDT
---
Probably still not fixed in git

http://git.savannah.gnu.org/cgit/gettext.git/log/gettext-tools/src/msggrep.c

but I am going to close this for now since it is reported upstream:

http://savannah.gnu.org/bugs/?25437

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