[asterisk-bugs] [Asterisk 0017497]: [patch] [regression] Segmentation fault in scheduled event

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=17497 
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Reported By:                anonymouz666
Assigned To:                dvossel
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Project:                    Asterisk
Issue ID:                   17497
Category:                   Channels/chan_sip/General
Reproducibility:            unable to reproduce
Severity:                   crash
Priority:                   normal
Status:                     assigned
Target Version:             1.6.2.12
Asterisk Version:           SVN 
JIRA:                       SWP-1703 
Regression:                 Yes 
Reviewboard Link:           https://reviewboard.asterisk.org/r/315/ 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2010-06-10 13:27 CDT
Last Modified:              2010-08-06 16:24 CDT
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Summary:                    [patch] [regression] Segmentation fault in scheduled
event
Description: 
(gdb) bt
https://issues.asterisk.org/view.php?id=0  0x0071a76d in strncasecmp () from
/lib/libc.so.6
https://issues.asterisk.org/view.php?id=1  0x008df159 in
send_provisional_keepalive_full (pvt=0xb54e0af0,
with_sdp=1) at chan_sip.c:2340
https://issues.asterisk.org/view.php?id=2  0x008df2a8 in
send_provisional_keepalive_with_sdp (data=0xb54e0af0) at
chan_sip.c:2365
https://issues.asterisk.org/view.php?id=3  0x080f6c5c in ast_sched_runq
(con=0x937f9b0) at sched.c:363
https://issues.asterisk.org/view.php?id=4  0x009244ec in do_monitor (data=0x0)
at chan_sip.c:17048
https://issues.asterisk.org/view.php?id=5  0x08106068 in dummy_start
(data=0x9381d48) at utils.c:856
https://issues.asterisk.org/view.php?id=6  0x007fc832 in start_thread () from
/lib/libpthread.so.0
https://issues.asterisk.org/view.php?id=7  0x0077ae0e in clone () from
/lib/libc.so.6
(gdb)



(gdb) bt full
https://issues.asterisk.org/view.php?id=0  0x0071a76d in strncasecmp () from
/lib/libc.so.6
No symbol table info available.
https://issues.asterisk.org/view.php?id=1  0x008df159 in
send_provisional_keepalive_full (pvt=0xb54e0af0,
with_sdp=1) at chan_sip.c:2340
        msg = 0x0
https://issues.asterisk.org/view.php?id=2  0x008df2a8 in
send_provisional_keepalive_with_sdp (data=0xb54e0af0) at
chan_sip.c:2365
        pvt = 0xb54e0af0
https://issues.asterisk.org/view.php?id=3  0x080f6c5c in ast_sched_runq
(con=0x937f9b0) at sched.c:363
        current = 0xb6101948
        tv = {tv_sec = 1276191797, tv_usec = 160228}
        numevents = 0
        res = -1216462136
https://issues.asterisk.org/view.php?id=4  0x009244ec in do_monitor (data=0x0)
at chan_sip.c:17048
        res = 0
        sip = 0x0
        peer = 0x0
        t = 1276191797
        fastrestart = 0
        lastpeernum = -1
        curpeernum = 1
        reloading = 0
        __PRETTY_FUNCTION__ = "do_monitor"
https://issues.asterisk.org/view.php?id=5  0x08106068 in dummy_start
(data=0x9381d48) at utils.c:856
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {8437748,
0, -1216459888, -1216461896, -193775784, 1260196912}, __mask_was_saved =
0}},
          __pad = {0xb77e4470, 0x0, 0x0, 0x0}}
        __cancel_routine = 0x8067d05 <ast_unregister_thread>
        __cancel_arg = 0xb77e4b90
        not_first_call = 0
        ret = 0x0
        a = {start_routine = 0x923e7b <do_monitor>, data = 0x0,
          name = 0x9381d58 "do_monitor", ' ' <repeats 11 times>, "started
at [17101] chan_sip.c restart_monitor()"}
https://issues.asterisk.org/view.php?id=6  0x007fc832 in start_thread () from
/lib/libpthread.so.0
No symbol table info available.
https://issues.asterisk.org/view.php?id=7  0x0077ae0e in clone () from
/lib/libc.so.6
No symbol table info available.


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Relationships       ID      Summary
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has duplicate       0017272 [patch] Segmentation fault in scheduled...
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---------------------------------------------------------------------- 
 (0125666) dvossel (administrator) - 2010-08-06 16:24
 https://issues.asterisk.org/view.php?id=17497#c125666 
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I understand the problem better now and have approached it differently.  I
uploaded a new patch that should resolve the issue. 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-08-06 16:24 dvossel        Note Added: 0125666                          
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