[asterisk-bugs] [JIRA] (ASTERISK-26219) segfault in ast_manager_build_channel_state_string_prefix

[Joshua Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=233154#comment-233154 ] 

Joshua Colp commented on ASTERISK-26219:
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[~jkl5group] You do appear to be specifying the uniqueid, and in the case of one of the crashes it was "chan6262". I'd guess it is based off of an identity and there is an expectation in your application that only one channel will be up at a time with it, when a race condition causes that to become false.

> segfault in ast_manager_build_channel_state_string_prefix
> ---------------------------------------------------------
>
>                 Key: ASTERISK-26219
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26219
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/Channels
>    Affects Versions: 13.11.0
>         Environment: CentOS release 6.8 (Final)
> Linux asterisk2.ansspc.com 2.6.32-573.1.1.el6.x86_64 #1 SMP Sat Jul 25 17:05:50 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
> Asterisk GIT-13-ac6824eM built by root @ asterisk2.ansspc.com on a x86_64 running Linux on 2016-06-01 13:44:27 UTC
>            Reporter: Michel R. Vaillancourt
>            Assignee: Michel R. Vaillancourt
>            Severity: Critical
>         Attachments: core.asterisk.10405.backtrace.txt, core.asterisk.10405.console.log, core.asterisk.24809.backtrace.txt, core.asterisk.26599.backtrace.txt, core.asterisk.26919.backtrace.txt, sept06segfault.full.log, sept07segfault.full.log
>
>
> Two segFaults in Asterisk within past week.
> Jul 12 18:23:05 asterisk2 kernel: asterisk[19715]: segfault at 108 ip 000000000053cd1f sp 00007ff376f24a70 error 4 in asterisk[400000+25e000]
> Jul 19 14:48:04 asterisk2 kernel: asterisk[32177]: segfault at 108 ip 000000000053cd1f sp 00007f45e5b29a50 error 4 in asterisk[400000+25e000]
> We'll provide a core dump with appropriate debugging enabled as soon as we can.



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