[asterisk-bugs] [JIRA] (ASTERISK-20931) Core-dump on SIP BYE for an invalid call transaction

[Matt Jordan (JIRA)]

Matt Jordan created ASTERISK-20931:
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             Summary: Core-dump on SIP BYE for an invalid call transaction
                 Key: ASTERISK-20931
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20931
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/General
    Affects Versions: 11.1.0, 11.1.1, 11.1.2
         Environment: Linux/2.6.32-279.19.1.el6.i686 #1 SMP Wed Dec 19 04:30:58 UTC 2012 i686 i686 i386 GNU/Linux
            Reporter: Kristopher Lalletti
            Assignee: Matt Jordan


We've been noticing core-dumps on Asterisk since we migrated from 1.8.x to 11.1.x late last December, which caused us to rollback to 1.8.19.1 in order to return into a stable state.

We noticed a very specific (mis)behaviour of our soft-switch to which when it signaled a SIP BYE message to ASterisk with an invalid Call-ID, Asterisk would systematically segfault. 

When we backtracked to 1.8.19.1, at least Asterisk will return a "481 Call leg/transaction does not exist" and not die.

Included is the core-dump backtrace showing the SIP BYE transaction causing Asterisk 11.1.1 to segfault.  

PS: I also have a system running 11.1.2 which is equally having the same symptoms, but I have yet to capture a tangible backtrace.

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