[asterisk-bugs] [JIRA] (ASTERISK-28510) Asterisk crashing on dtls handshake

[Jørgen Ligaard Sørensen (JIRA)]

Jørgen Ligaard Sørensen created ASTERISK-28510:
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             Summary: Asterisk crashing on dtls handshake
                 Key: ASTERISK-28510
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28510
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Resources/res_rtp_asterisk
    Affects Versions: 16.5.0
         Environment: Ubuntu 16.04.1
            Reporter: Jørgen Ligaard Sørensen
            Severity: Critical


We have observed several occurences of Asterisk crashing after recently changing our dial-plan to PJSIP. 
We've not found any direct way to reproduce the problem, but it does seem to be restricted to high trafic hours - however there doesn't seem to be any particular threshold that causes the crash.

For every occurence we've observed the following entries occur in the log immediately prior to the crash.

[Aug 21 12:18:19] VERBOSE[9439][C-000001c8] res_rtp_asterisk.c: 0x7f5682408ca0 -- Strict RTP switching to RTP target address 194.247.61.32:25184 as source
[Aug 21 12:18:19] ERROR[74] pjproject: 	   icess0x7f568244d588 ...Error sending STUN request: Invalid argument
[Aug 21 12:18:19] ERROR[137] pjproject: 	   icess0x7f568244d588 ..Error sending STUN request: Invalid argument
[Aug 21 12:18:19] ERROR[137] pjproject: 	   icess0x7f568244d588 ..Error sending STUN request: Invalid argument

After enabling backtraces we're also seeing the same consistent backtrace for how the error occurs (res_rtp_asterisk.c).



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