[asterisk-bugs] [Asterisk 0017272]: [patch] Segmentation fault in scheduled event

[Asterisk Bug Tracker]

The following issue requires your FEEDBACK. 
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https://issues.asterisk.org/view.php?id=17272 
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Reported By:                under
Assigned To:                
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Project:                    Asterisk
Issue ID:                   17272
Category:                   Channels/chan_sip/General
Reproducibility:            sometimes
Severity:                   minor
Priority:                   normal
Status:                     feedback
Asterisk Version:           1.6.0.26 
JIRA:                        
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:             2010-05-01 14:48 CDT
Last Modified:              2010-05-07 10:31 CDT
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Summary:                    [patch] Segmentation fault in scheduled event
Description: 
(gdb) bt
https://issues.asterisk.org/view.php?id=0  0x2b1e066c in
send_provisional_keepalive_full (pvt=0x3d8d9268,
with_sdp=1) at asterisk/channels/chan_sip.c:3324
https://issues.asterisk.org/view.php?id=1  0x2b1e080f in
send_provisional_keepalive_with_sdp (data=0x3d8d9268) at
asterisk/channels/chan_sip.c:3349
https://issues.asterisk.org/view.php?id=2  0x0815e013 in ast_sched_runq
(con=0x2af08da8) at
asterisk/main/sched.c:369
https://issues.asterisk.org/view.php?id=3  0x2b234341 in do_monitor (data=0x0)
at
asterisk/channels/chan_sip.c:20498
https://issues.asterisk.org/view.php?id=4  0x0816e112 in dummy_start
(data=0x294e96e8) at
asterisk/main/utils.c:861
https://issues.asterisk.org/view.php?id=5  0x282176ff in pthread_getprio () from
/lib/libthr.so.3
https://issues.asterisk.org/view.php?id=6  0x00000000 in ?? ()
(gdb) fr 0
https://issues.asterisk.org/view.php?id=0  0x2b1e066c in
send_provisional_keepalive_full (pvt=0x3d8d9268,
with_sdp=1) at asterisk/channels/chan_sip.c:3324
3324            if (!pvt->last_provisional ||
!strncasecmp(pvt->last_provisional, "100", 3)) {
(gdb) p pvt->last_provisional
Cannot access memory at address 0x3d8da9b8
(gdb) 
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 (0121549) lmadsen (administrator) - 2010-05-07 10:31
 https://issues.asterisk.org/view.php?id=17272#c121549 
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Do you still have the core dump? I'm wondering if you can run some more of
the commands in the backtrace.txt file?

Have you been able to reproduce this yet? I'm not sure if there is enough
information to move this forward as is. Thanks! 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-05-07 10:31 lmadsen        Note Added: 0121549                          
2010-05-07 10:31 lmadsen        Status                   new => feedback     
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