[asterisk-bugs] [JIRA] (ASTERISK-28689) res_pjsip: Crash when locking group lock when sending stateful response

[Aaron An (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=260132#comment-260132 ] 

Aaron An commented on ASTERISK-28689:
-------------------------------------

I have checked recent pjproject commits and found those four may be related to this isuse.
1.
https://github.com/pjsip/pjproject/commit/90a16c523bfdf4d43c10506c972c5fd4250b2856
2.
https://github.com/pjsip/pjproject/commit/92d2e8df9ac902d4fadbd7483891d4440f695bc1
3.
https://github.com/pjsip/pjproject/commit/e1edb64d4d95f04e89b67b733806a49c502e5782
4.
https://github.com/pjsip/pjproject/commit/3980472947aa43da0a87da4677ef8dba6d4b7df4

> res_pjsip: Crash when locking group lock when sending stateful response
> -----------------------------------------------------------------------
>
>                 Key: ASTERISK-28689
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28689
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: pjproject/pjsip
>    Affects Versions: 13.20.0, 13.30.0
>         Environment: Ubuntu 16.04
> 4.4.0-119-generic
>            Reporter: Jesse Ross
>            Assignee: Unassigned
>            Severity: Major
>         Attachments: console, console, core2.tar.gz, core-brief.txt, core-brief.txt, core-full.txt, core-full.txt, core-locks.txt, core-locks.txt, core.tar.gz, core-thread1.txt, core-thread1.txt
>
>
> Hi,
> We are getting crashes like this randomly:
> Jan 13 21:33:21 voip kernel: [46434830.037815] traps: asterisk[24067] bq. general protection ip:7fc0ecf762b5 sp:7fc02d86ebc8 error:0 in libasteriskpj.so.2[7fc0ece5f000+16d000]
> Jan 13 21:44:48 voip kernel: [46435517.854842] asterisk[26382]: segfault at 18 ip 00007f3a5467ba28 sp 00007f39990b4bd0 error 4 in libasteriskpj.so.2[7f3a54564000+16d000]
> It didn't happen at all before but started to do it a couple times a day. Now it is doing it around 20 times per day. But only in the evening for some reason... 
> I've attached the core dump info.
> I upgraded to 13.30 from 13.20 and installed the latest libpri and dahdi but it didn't help.
> Thanks



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