[asterisk-bugs] [JIRA] (ASTERISK-26186) Deadlock in libpjsip.so.2

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=231364#comment-231364 ] 

Asterisk Team commented on ASTERISK-26186:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> Deadlock in libpjsip.so.2
> -------------------------
>
>                 Key: ASTERISK-26186
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26186
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: pjproject/pjsip
>    Affects Versions: 13.9.1
>         Environment: CentOS 7.2 (3.10.0-327.22.2.el7.x86_64)
> Asterisk 13.9.1
> PJSIP 2.5.1
>            Reporter: Mateusz Kowalski
>
> Hello,
> I encountered a deadlock in PJSIP module. Two backtraces available as
> * http://pastebin.com/raw/kZtc5df3 (Thread 43)
> * http://pastebin.com/raw/93H9qe4x (Thread 42)
> Output from `core show locks` is empty:
> ```
> tone-0058-re-1*CLI> core show locks
> =======================================================================
> === 13.9.1
> === Currently Held Locks
> =======================================================================
> ===
> === <pending> <lock#> (<file>): <lock type> <line num> <function> <lock name> <lock addr> (times locked)
> ===
> =======================================================================
> ```
> Any packets arriving to the machine on port 5060 are left without any response. They are not visible in Asterisk console even with `pjsip set logger on`
> Output from netstat shows big RX queue:
> ```
> udp   214912      0 0.0.0.0:5060            0.0.0.0:*                           46787/asterisk
> ```
> Initially I reported issue on #asterisk but later on got redirected to open a ticket in here.
> Thanks for any help,
> Mateusz



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