[asterisk-bugs] [JIRA] (ASTERISK-25366) Segmentation fault - in ast_manager_build_channel_state_string_prefix at manager_channels.c:417

[Michel R. Vaillancourt (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=227532#comment-227532 ] 

Michel R. Vaillancourt commented on ASTERISK-25366:
---------------------------------------------------

I'm not sure.  The customer was having a raft of other issues that I've been working through, vis-a-vis stability.  Now that we've got most of the "obvious stuff" cleaned up, I started noticing the SegFault issue -- partially because we now start Asterisk to dump core on SegFault, which it wasn't doing before.  So, it's possible this was happening before, but we weren't seeing it.

> Segmentation fault - in ast_manager_build_channel_state_string_prefix at manager_channels.c:417
> -----------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-25366
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25366
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/ManagerInterface
>    Affects Versions: 13.5.0
>         Environment: Digital Ocean Droplet / CentOS release 6.7
>            Reporter: Michel R. Vaillancourt
>            Assignee: Unassigned
>            Severity: Critical
>         Attachments: backtrace.01sept2015-01.txt, backtrace.01sept2015-02.txt, backtrace.01sept2015-03.txt, backtrace.01sept2015-04.txt, backtrace.01sept2015-05.txt, backtrace.01sept2015-06.txt, backtrace.01sept2015-07.txt, backtrace.05sep2015-01.txt, backtrace.05sep2015-02.txt, backtrace.05sep2015-03.txt, backtrace.28aug2015.txt, backtrace.29aug2015.txt, backtrace.30aug2015.txt, log_extract.txt.gz
>
>
> We are getting almost daily SegFaults like this:
> {noformat}
> Core was generated by `/usr/sbin/asterisk -f -vvvg -c'.
> Program terminated with signal 11, Segmentation fault.
> #0  0x000000000055e5d7 in ast_manager_build_channel_state_string_prefix (snapshot=0x0, prefix=0x6c769b "")
>     at manager_channels.c:417
> {noformat}
> Backtraces to follow 



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