[Home]

Summary:ASTERISK-15598: Crash when destroying sip channels
Reporter:Mark Murawski (kobaz)Labels:
Date Opened:2010-02-09 12:21:04.000-0600Date Closed:2010-02-18 16:45:45.000-0600
Priority:CriticalRegression?No
Status:Closed/CompleteComponents:Channels/chan_sip/General
Versions:Frequency of
Occurrence
Related
Issues:
Environment:Attachments:( 0) bt
( 1) crash-bt
( 2) test.fastagi.pl
( 3) valgrind
Description:I've seen this crash elsewhere, but the only way I can get it to reproduce all the time is when using fast AGI and an infinite loop.


****** ADDITIONAL INFORMATION ******

  -- Accepting AUTHENTICATED call from 192.168.15.1:
      > requested format = ulaw,
      > requested prefs = (ulaw|alaw|gsm|g726|ilbc),
      > actual format = ulaw,
      > host prefs = (ulaw|alaw|gsm|g726|ilbc),
      > priority = mine
   -- Executing [261@trunkhandler_from-branch:1] AGI("IAX2/branch-2064", "agi://127.0.0.1:2000") in new stack
   -- AGI Script Executing Application: (Dial) Options: (SIP/201)
 == Using SIP RTP CoS mark 5
   -- Called 201*CLI>
   -- SIP/201-00000000 is ringing
-demo1*CLI> soft hangup IAX2/branch-2064
Requested Hangup on channel 'IAX2/branch-2064'
   -- AGI Script Executing Application: (Dial) Options: (SIP/201)
 == Using SIP RTP CoS mark 5
   -- Called 201*CLI>
   -- AGI Script Executing Application: (Dial) Options: (SIP/201)
 == Using SIP RTP CoS mark 5
   -- Called 201*CLI>
-demo1*CLI> soft hangup IAX2/branch-2064
Requested Hangup on channel 'IAX2/branch-2064'
-demo1*CLI> soft hangup IAX2/branch-2064
Requested Hangup on channel 'IAX2/branch-2064'
-demo1*CLI> soft hangup IAX2/branch-2064
Requested Hangup on channel 'IAX2/branch-2064'
   -- AGI Script Executing Application: (Dial) Options: (SIP/201)
 == Using SIP RTP CoS mark 5
   -- Called 201*CLI>
-demo1*CLI> soft hangup IAX2/branch-2064
Requested Hangup on channel 'IAX2/branch-2064'
-demo1*CLI> soft hangup IAX2/branch-2064
Requested Hangup on channel 'IAX2/branch-2064'
-demo1*CLI> soft hangup IAX2/branch-2064
Requested Hangup on channel 'IAX2/branch-2064'
-demo1*CLI> soft hangup IAX2/branch-2064
Requested Hangup on channel 'IAX2/branch-2064'
-demo1*CLI> soft hangup IAX2/branch-2064
Requested Hangup on channel 'IAX2/branch-2064'
   -- AGI Script Executing Application: (Dial) Options: (SIP/201)
 == Using SIP RTP CoS mark 5
   -- Called 201*CLI>
-demo1*CLI>
-demo1*CLI>
   -- AGI Script Executing Application: (Dial) Options: (SIP/201)
 == Using SIP RTP CoS mark 5
   -- Called 201*CLI>
   -- AGI Script Executing Application: (Dial) Options: (SIP/201)
 == Using SIP RTP CoS mark 5
   -- Called 201*CLI>
-demo1*CLI> stop now
-demo1*CLI>
Disconnected from Asterisk server
*crash here*
Comments:By: Mark Murawski (kobaz) 2010-02-09 12:24:44.000-0600

Uploaded test case fastagi script (test.fastagi.pl)
Uploaded all thread backtrace (bt)
Uploaded crash backtrace (crash-bt)
By: Mark Murawski (kobaz) 2010-02-09 12:48:26.000-0600

Even though this reproduction happens on stop, I've repeatedly seen this crash during operation.
By: Mark Murawski (kobaz) 2010-02-09 13:13:40.000-0600

I believe this is a very similar if not the same crash as https://issues.asterisk.org/view.php?id=16375
By: Digium Subversion (svnbot) 2010-02-18 16:45:44.000-0600

Repository: asterisk
Revision: 247839

U   branches/1.6.0/channels/chan_sip.c

------------------------------------------------------------------------
r247839 | dvossel | 2010-02-18 16:45:42 -0600 (Thu, 18 Feb 2010) | 8 lines

fixes dialog ref count crash isolated to the 1.6.0 branch

(closes issue ASTERISK-15260)
Reported by: kobaz

(closes issue ASTERISK-15598)
Reported by: kobaz

------------------------------------------------------------------------

http://svn.digium.com/view/asterisk?view=rev&revision=247839