[asterisk-bugs] [Asterisk 0016375]: Crash when performing dial

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=16375 
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Reported By:                kobaz
Assigned To:                dvossel
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Project:                    Asterisk
Issue ID:                   16375
Category:                   Channels/chan_sip/General
Reproducibility:            random
Severity:                   crash
Priority:                   normal
Status:                     assigned
Asterisk Version:           1.6.0.19 
JIRA:                       SWP-677 
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2009-12-02 14:02 CST
Last Modified:              2010-02-18 16:45 CST
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Summary:                    Crash when performing dial
Description: 
Totally random crash


https://issues.asterisk.org/view.php?id=0  0xffffe424 in __kernel_vsyscall ()
https://issues.asterisk.org/view.php?id=1  0xb74ea3d0 in raise () from
/lib/i686/cmov/libc.so.6
https://issues.asterisk.org/view.php?id=2  0xb74eda85 in abort () from
/lib/i686/cmov/libc.so.6
https://issues.asterisk.org/view.php?id=3  0xb75232ed in ?? () from
/lib/i686/cmov/libc.so.6
https://issues.asterisk.org/view.php?id=4  0xb752d8f4 in ?? () from
/lib/i686/cmov/libc.so.6
https://issues.asterisk.org/view.php?id=5  0xb752f896 in free () from
/lib/i686/cmov/libc.so.6
https://issues.asterisk.org/view.php?id=6  0xb604fd57 in __sip_destroy (p=0x3ff)
at chan_sip.c:4671
https://issues.asterisk.org/view.php?id=7  sip_destroy (p=0x3ff) at
chan_sip.c:4925
https://issues.asterisk.org/view.php?id=8  sip_destroy_fn (p=0x3ff) at
chan_sip.c:4914
https://issues.asterisk.org/view.php?id=9  0x0807b242 in ao2_ref
(user_data=0xb13e9838, delta=-1) at
astobj2.c:227
https://issues.asterisk.org/view.php?id=10 0xb60526b0 in dialog_unref
(type=0xb53664d0 "SIP", format=4,
data=0xb5366c04, cause=0xb5366e2c) at chan_sip.c:1374
https://issues.asterisk.org/view.php?id=11 sip_request_call (type=0xb53664d0
"SIP", format=4, data=0xb5366c04,
cause=0xb5366e2c) at chan_sip.c:20907
https://issues.asterisk.org/view.php?id=12 0x0808b7b1 in ast_request
(type=0xb53664d0 "SIP", format=4,
data=0xb5366c04, cause=0xb5366e2c) at channel.c:3962
https://issues.asterisk.org/view.php?id=13 0xb698e85f in dial_exec_full
(chan=0xb13d0d50, data=<value optimized
out>, peerflags=0xb5366e60, continue_exec=0x0) at app_dial.c:1515
https://issues.asterisk.org/view.php?id=14 0xb6991b49 in dial_exec
(chan=0xb13d0d50, data=0xb5368f18) at
app_dial.c:2077
https://issues.asterisk.org/view.php?id=15 0x080ec979 in pbx_exec (c=0xb13d0d50,
app=0x820f190, data=0xb5368f18)
at pbx.c:951
https://issues.asterisk.org/view.php?id=16 0x080f7802 in pbx_extension_helper
(c=0xb13d0d50, con=0x0,
context=0xb13d0ed8 "queue_keeptrying_extension", exten=0xb13d0f28
"U0lQLzIwMw==", priority=34, label=0x0, callerid=0xb13ca1c0 "1110",
    action=E_SPAWN, found=0xb536b348, combined_find_spawn=1) at pbx.c:3120
https://issues.asterisk.org/view.php?id=17 0x080fa34c in ast_spawn_extension
(c=0xb13d0d50, args=0x0) at
pbx.c:3586
https://issues.asterisk.org/view.php?id=18 __ast_pbx_run (c=0xb13d0d50,
args=0x0) at pbx.c:3673
https://issues.asterisk.org/view.php?id=19 0x080fbb20 in pbx_thread
(data=0xb13d0d50) at pbx.c:3946
https://issues.asterisk.org/view.php?id=20 0x0813807b in dummy_start
(data=0xb13c9588) at utils.c:861
https://issues.asterisk.org/view.php?id=21 0xb74a84b5 in start_thread () from
/lib/i686/cmov/libpthread.so.0
https://issues.asterisk.org/view.php?id=22 0xb75a0a5e in clone () from
/lib/i686/cmov/libc.so.6
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Relationships       ID      Summary
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related to          0016796 Crash when destroying sip channels
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---------------------------------------------------------------------- 
 (0118258) svnbot (reporter) - 2010-02-18 16:45
 https://issues.asterisk.org/view.php?id=16375#c118258 
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Repository: asterisk
Revision: 247839

U   branches/1.6.0/channels/chan_sip.c

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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 https://issues.asterisk.org/view.php?id=16375)
Reported by: kobaz

(closes issue https://issues.asterisk.org/view.php?id=16796)
Reported by: kobaz

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

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-02-18 16:45 svnbot         Checkin                                      
2010-02-18 16:45 svnbot         Note Added: 0118258                          
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