[asterisk-bugs] [JIRA] (ASTERISK-27150) Periodic crash in ast_channel_snapshot_create

[Richard Mudgett (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=237790#comment-237790 ] 

Richard Mudgett commented on ASTERISK-27150:
--------------------------------------------

Your backtrace appears to contain a memory corruption. We need one or both of the following items to continue investigation of the issue:
1. Valgrind output. See https://wiki.asterisk.org/wiki/display/AST/Valgrind for instructions on how to use Valgrind with Asterisk.
2. MALLOC_DEBUG output. See https://wiki.asterisk.org/wiki/display/AST/MALLOC_DEBUG+Compiler+Flag for instructions on how to use the MALLOC_DEBUG option.

Note that MALLOC_DEBUG and Valgrind are mutually exclusive options. Valgrind output is preferable, but will be more system resource intensive and may be difficult to get on a production system. In such a case, you may have better luck getting the necessary output from MALLOC_DEBUG.



> Periodic crash in ast_channel_snapshot_create
> ---------------------------------------------
>
>                 Key: ASTERISK-27150
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27150
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>    Affects Versions: 13.17.0
>         Environment: CentOS 6.9 64 bit, ODBC 2.3.4-1, chan_sip with no MWI subscribe
>            Reporter: Leandro Dardini
>         Attachments: core.Q01PBX001-2017-07-20T15-56-30+0200-brief.txt, core.Q01PBX001-2017-07-20T15-56-30+0200-full.txt, core.Q01PBX001-2017-07-20T15-56-30+0200-locks.txt, core.Q01PBX001-2017-07-20T15-56-30+0200-thread1.txt
>
>
> Asterisk process is experiencing crash every few other days with segmentation fault message during normal operation.



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