[asterisk-bugs] [Asterisk 0015192]: segfault in local_devicestate() in chan_local.c

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=15192 
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Reported By:                caspy
Assigned To:                
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Project:                    Asterisk
Issue ID:                   15192
Category:                   Channels/chan_local
Reproducibility:            random
Severity:                   crash
Priority:                   normal
Status:                     new
Asterisk Version:           1.6.0.6 
Regression:                 No 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2009-05-26 05:53 CDT
Last Modified:              2009-05-26 06:13 CDT
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Summary:                    segfault in local_devicestate() in chan_local.c
Description: 
Asterisk crashes randomly:
(gdb) bt full
https://issues.asterisk.org/view.php?id=0  0xb7c95e1a in strcmp () from
/lib/i686/cmov/libc.so.6
No symbol table info available.
https://issues.asterisk.org/view.php?id=1  0xb7291599 in local_devicestate
(data=0xb7a52286) at chan_local.c:150
	exten = 0xb7a52200 "1181"
	context = 0xb7a52205 "toagent"
	opts = 0x0
	res = 1
	lp = (struct local_pvt *) 0x558
	__PRETTY_FUNCTION__ = "local_devicestate"


complete backtraces in attaches
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 (0105384) caspy (reporter) - 2009-05-26 06:13
 https://issues.asterisk.org/view.php?id=15192#c105384 
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add on:


in the morning, when THREAD_DEBUG was turned on, these errors were in log
just before crash:

[May 26 11:23:24] ERROR[24975]
/usr/home/caspy/compile/asterisk-1.6.0.6/include/asterisk/lock.h:
chan_local.c line 595 (local_hangup): Error releasing mutex: Invalid
argument
[May 26 11:30:46] ERROR[30551]
/usr/home/caspy/compile/asterisk-1.6.0.6/include/asterisk/lock.h:
chan_local.c line 595 (local_hangup): Error releasing mutex: Invalid
argument
[May 26 11:34:03] ERROR[31088]
/usr/home/caspy/compile/asterisk-1.6.0.6/include/asterisk/lock.h:
chan_local.c line 165 (local_pvt_destroy): Error: attempt to destroy locked
mutex '&pvt->lock'.


now THREAD_DEBUG turned off, cause asterisk seem to be slightly more
stable. 

Issue History 
Date Modified    Username       Field                    Change               
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2009-05-26 06:13 caspy          Note Added: 0105384                          
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