[asterisk-bugs] [JIRA] (ASTERISK-25251) Deadlock in PJSIP

[Gergely Dömsödi (JIRA)]

Gergely Dömsödi created ASTERISK-25251:
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             Summary: Deadlock in PJSIP
                 Key: ASTERISK-25251
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25251
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Resources/res_pjsip
    Affects Versions: 13.4.0, 13.3.2, 13.1.1
         Environment: Fedora 22
            Reporter: Gergely Dömsödi


Using PJSIP, after about 10-20 minutes of SIP traffic between two PJSIP peers, a deadlock occurs and Asterisk cannot serve SIP traffic anymore. Incoming INVITES can be seen with a tcpdump, but it is not even visible in pjsip log.

The issue is reproducible with both the "vanilla" asterisk package in Fedora 22 (13.1.1), with the package currently in updates-testing (13.3.2), and a custom-built 13.4.0. Tried with PJSIP 2.3 from Fedora and a custom built 2.4, both were affected.

When in the deadlock, PJSIP commands continue to work (pjsip show *), but asterisk cannot be stopped, core stop now just returns, but nothing happens.

Attached outputs and backtraces are from the custom built 13.4.0, with PJSIP 2.4.



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