[asterisk-bugs] [JIRA] (ASTERISK-26112) res_pjsip: Crash when unlocking dialog in distributor

[Joshua Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=231004#comment-231004 ] 

Joshua Colp commented on ASTERISK-26112:
----------------------------------------

There may not seem to be anything but it can give an idea of what is going on and the code paths in use.

> res_pjsip: Crash when unlocking dialog in distributor
> -----------------------------------------------------
>
>                 Key: ASTERISK-26112
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26112
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip
>    Affects Versions: SVN
>         Environment: CentOS 6.5
>            Reporter: Ross Beer
>         Attachments: backtrace_in01_2016-06-13T16_02_41_CLEAN.txt
>
>
> Asterisk crashes when attempting unlock in dialog:
> #0  __pthread_mutex_unlock_usercnt (mutex=0x0) at pthread_mutex_unlock.c:289
> 289	{
> #0  __pthread_mutex_unlock_usercnt (mutex=0x0) at pthread_mutex_unlock.c:289
>         type = <value optimized out>
> #1  __pthread_mutex_unlock (mutex=0x0) at pthread_mutex_unlock.c:290
> No locals.
> #2  0x00002b773a941c01 in pj_mutex_unlock (mutex=0x0) at ../src/pj/os_core_unix.c:1323
>         status = <value optimized out>
> #3  0x00002b7738e0a3a9 in pjsip_dlg_dec_lock (dlg=0x2b78e400de18) at ../src/pjsip/sip_dialog.c:937



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