[asterisk-bugs] [JIRA] (ASTERISK-25226) chan_sip: Channel leak in branch 13 on early replaces call pickup

[Walter Doekes (JIRA)]

Walter Doekes created ASTERISK-25226:
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             Summary: chan_sip: Channel leak in branch 13 on early replaces call pickup
                 Key: ASTERISK-25226
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25226
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/Transfers
    Affects Versions: 13.4.0
            Reporter: Walter Doekes


When doing a (non-magic) early call pickup, the Asterisk 13 branch chan_sip leaks channels.

Taking the callpickup.sh from ASTERISK-25213, you observe a lost channel after a single run:
{noformat}
*CLI> core show channels
Channel              Location             State   Application(Data)             
SIP/bob-00000001     (None)               Ringing AppDial((Outgoing Line))      
0 active channels
0 active calls
1 call processed
{noformat}
Valgrind reports the leaks as coming from sip_new().

Also note that {{core stop gracefully}} refuses to stop because of the leaked channel.

The attached patch fixes it. Thanks Matt and Corey for looking at the other (bridge) path portion of the patch.

Cheers,
Walter Doekes
OSSO B.V.





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