[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=237857#comment-237857 ] 

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

Unfortunately, the problem doesn't appear to have happened under valgrind.  The valgrind output is only showing uses of uninitialized data by asterisk and other libraries; no invalid writes that would corrupt memory.  Valgrind either threw off the timing so the problem doesn't happen or what triggers the problem didn't happen.

MALLOC_DEBUG may have better luck catching the problem.

> 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
>            Assignee: Unassigned
>         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, valgrind.txt
>
>
> Asterisk process is experiencing crash every few other days with segmentation fault message during normal operation.



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