[asterisk-bugs] [JIRA] (ASTERISK-24322) Asterisk crashes on execution when compiled with MALLOC_DEBUG compiler flag - in region_data_wipe at astmm.c

[Rusty Newton (JIRA)]

Rusty Newton created ASTERISK-24322:
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             Summary: Asterisk crashes on execution when compiled with MALLOC_DEBUG compiler flag - in region_data_wipe at astmm.c
                 Key: ASTERISK-24322
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24322
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Core/General
    Affects Versions: SVN
         Environment: Asterisk SVN-branch-11-r422903
Description:	Ubuntu 12.04.4 LTS
3.5.0-54-generic #81~precise1-Ubuntu SMP Tue Jul 15 04:05:58 UTC 2014 i686 i686 i386 GNU/Linux
gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
            Reporter: Rusty Newton
            Severity: Critical
         Attachments: backtrace.txt

h1. Reproduction:

 * Compile Asterisk SVN-branch-11-r422903 with MALLOC_DEBUG compiler flag. 
 * Asterisk crashes! Claims a core is dumped, but no core is dumped.

{noformat}
root at rnewton-office-lab:/tmp# asterisk -gcvvvvv
Privilege escalation protection disabled!
See https://wiki.asterisk.org/wiki/x/1gKfAQ for more details.
Segmentation fault (core dumped)
{noformat}

I'm running as root, permissions are of course fine.

Recompiling with DONT_OPTIMIZE results in Asterisk running fine.
Recompiling without DONT_OPTIMIZE results in the crash again (MALLOC_DEBUG is still selected).
Recompiling without MALLOC_DEBUG results in Asterisk running fine.

Attaching backtrace obtained from running Asterisk with gdb attached.



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