[asterisk-bugs] [Asterisk 0018781]: [patch] SEGFAULT in remote_bridge_loop after a SIP to SIP attended transfer with external IAX2 or DAHDI call

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=18781 
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Reported By:                alecdavis
Assigned To:                alecdavis
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Project:                    Asterisk
Issue ID:                   18781
Category:                   Core/RTP
Reproducibility:            always
Severity:                   crash
Priority:                   urgent
Status:                     closed
Asterisk Version:           SVN 
JIRA:                       SWP-3081 
Regression:                 No 
Reviewboard Link:           https://reviewboard.asterisk.org/r/1128/ 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
Resolution:                 fixed
Fixed in Version:           
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Date Submitted:             2011-02-09 19:18 CST
Last Modified:              2011-03-11 00:56 CST
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Summary:                    [patch] SEGFAULT in remote_bridge_loop after a SIP
to SIP attended transfer with external IAX2 or DAHDI call
Description: 
Bug initially reported on 1.8.2 tag release, after experiencing similar on
1.8.2.3 tagged release.

Is still repeatable with trunk



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 (0132836) svnbot (reporter) - 2011-03-11 00:56
 https://issues.asterisk.org/view.php?id=18781#c132836 
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Repository: asterisk
Revision: 310288

_U  trunk/
U   trunk/main/rtp_engine.c

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r310288 | alecdavis | 2011-03-11 00:56:07 -0600 (Fri, 11 Mar 2011) | 23
lines

Merged revisions 310287 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r310287 | alecdavis | 2011-03-11 19:47:44 +1300 (Fri, 11 Mar 2011) | 17
lines
  
  remote_bridge_loop: prevent segfault when after transfer of IAX2 of
DAHDI call 
  
  If the channel condition is one of the following after breaking out of
the loop, don't try to update_peer
  (where x = 0/1)
   1). ZOMBIE
   2). cx->tech_pvt != pvtx
   3). gluex != ast_rtp_instance_get_glue(cx->tech->type))
  
  (closes issue https://issues.asterisk.org/view.php?id=18781)
  Reported by: alecdavis
  Patches: 
        bug18781.diff3.txt uploaded by alecdavis (license 585)
  Tested by: alecdavis, ZX81
  
  Review: https://reviewboard.asterisk.org/r/1128/
........

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http://svn.digium.com/view/asterisk?view=rev&revision=310288 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2011-03-11 00:56 svnbot         Checkin                                      
2011-03-11 00:56 svnbot         Note Added: 0132836                          
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