[asterisk-bugs] [Asterisk 0014464]: [patch] lock during simple call processing

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=14464 
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Reported By:                pj
Assigned To:                mmichelson
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Project:                    Asterisk
Issue ID:                   14464
Category:                   Channels/chan_sip/General
Reproducibility:            unable to reproduce
Severity:                   major
Priority:                   normal
Status:                     closed
Asterisk Version:           SVN 
Regression:                 No 
SVN Branch (only for SVN checkouts, not tarball releases):  trunk 
SVN Revision (number only!): 171528 
Request Review:              
Resolution:                 fixed
Fixed in Version:           
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Date Submitted:             2009-02-12 06:27 CST
Last Modified:              2009-06-22 09:35 CDT
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Summary:                    [patch] lock during simple call processing
Description: 
During normal operation, pure sip-sip calls, without special features (eg.
transfer), asterisk locks. Asterisk server had very small utilization -
three concurrent sip calls at maximum. After this lockout, all peers
becomed unreachable and asterisk must be manually restarted. CLI was not
locked.
"core show locks" attached

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Relationships       ID      Summary
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related to          0015345 [patch] SIP deadlock in 1.4 revision 19...
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 (0106796) svnbot (reporter) - 2009-06-22 09:35
 https://issues.asterisk.org/view.php?id=14464#c106796 
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Repository: asterisk
Revision: 202337

_U  trunk/
U   trunk/channels/chan_sip.c

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r202337 | mmichelson | 2009-06-22 09:35:10 -0500 (Mon, 22 Jun 2009) | 31
lines

Merged revisions 202336 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r202336 | mmichelson | 2009-06-22 09:34:05 -0500 (Mon, 22 Jun 2009) | 25
lines
  
  Fix a possible infinite loop in SDP parsing during glare situation.
  
  There was a while loop in get_ip_and_port_from_sdp which was controlled
  by a call to get_sdp_iterate. The loop would exit either if what we were
  searching for was found or if the return was NULL. The problem is that
  get_sdp_iterate never returns NULL. This means that if what we were
searching
  for was not present, the loop would run infinitely. This modification of
the
  loop fixes the problem.
  
  (closes issue https://issues.asterisk.org/view.php?id=15213)
  Reported by: schmidts
  
  (closes issue https://issues.asterisk.org/view.php?id=15349)
  Reported by: samy
  
  (closes issue https://issues.asterisk.org/view.php?id=14464)
  Reported by: pj
  
  (closes issue https://issues.asterisk.org/view.php?id=15345)
  Reported by: aragon
  Patches:
        sip_inf_loop.patch uploaded by mmichelson (license 60)
  Tested by: aragon
........

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http://svn.digium.com/view/asterisk?view=rev&revision=202337 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2009-06-22 09:35 svnbot         Checkin                                      
2009-06-22 09:35 svnbot         Note Added: 0106796                          
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