[asterisk-bugs] [JIRA] (ASTERISK-22740) [patch] - Confbridge fails to destroy conference on hangup leading to Asterisk segfault

[Matt Jordan (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-22740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=216129#comment-216129 ] 

Matt Jordan commented on ASTERISK-22740:
----------------------------------------

Nuts - I completely forgot that you had submitted this patch when this got fixed under r405215.

Although the patch was slightly different than what you have attached to this issue, I'll go back and update the commit message to give proper attribution to this issue and your patch as well.


> [patch] - Confbridge fails to destroy conference on hangup leading to Asterisk segfault
> ---------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-22740
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22740
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_confbridge
>    Affects Versions: 11.5.1
>            Reporter: Simon Moxon
>         Attachments: ASTERISK-22740.diff
>
>
> With 3 users (1 marked, 2 unmarked) remaining in a conference, if 1 marked and 1 unmarked hangup at the exact same time leaving just the 1 unmarked in the conference.  
> Then when that final unmarked user leaves, the conference is not torn down.
> The following Error is logged:
> {{confbridge/conf_state.c: Invalid event for confbridge user}}
> If anything then tries to access that conference e.g. via confbridge list or re-creating the conference, then asterisk will segfault as referenced in [ASTERISK-21859]
> This only occurs is confbridge quiet=no.
> Recreating the bug without a large volume of calls is tricky as the hangups have tobe with 



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