[asterisk-bugs] [JIRA] (ASTERISK-26186) res_pjsip_multihomed: Deadlock when finding message header

[Mateusz Kowalski (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-26186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mateusz Kowalski updated ASTERISK-26186:
----------------------------------------

    Attachment: trace2.txt
                trace1.txt

> res_pjsip_multihomed: Deadlock when finding message header
> ----------------------------------------------------------
>
>                 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
>            Assignee: Mateusz Kowalski
>         Attachments: trace1.txt, trace2.txt
>
>
> 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:
> {code}
> 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)
> ===
> =======================================================================
> {code}
> 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 for the process:
> {code}
> udp   214912      0 0.0.0.0:5060            0.0.0.0:*                           46787/asterisk
> {code}
> If you check {{netstat}} per port, it happens also on RTP port (I'm using 10000-20000):
> {code}
> udp        0      0 0.0.0.0:2727            0.0.0.0:*                           46787/asterisk
> udp      896      0 0.0.0.0:35859           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:37171           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:4520            0.0.0.0:*                           46787/asterisk
> udp   214912      0 0.0.0.0:5060            0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:10520           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:10521           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:11356           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:11357           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:12048           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:12049           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:12062           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:12063           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:13890           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:13891           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:14608           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:14609           0.0.0.0:*                           46787/asterisk
> udp   213248      0 0.0.0.0:14678           0.0.0.0:*                           46787/asterisk
> udp    34048      0 0.0.0.0:14679           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:14752           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:14753           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:15106           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:15107           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:18100           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:18101           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:18392           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:18393           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:18918           0.0.0.0:*                           46787/asterisk
> udp        0      0 0.0.0.0:18919           0.0.0.0:*                           46787/asterisk
> {code}
> 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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