[asterisk-bugs] [Asterisk 0018821]: [patch] fix for crash in strcompare_l in sip/reqresp_parser.c - possible null c_locale

[Asterisk Bug Tracker]

The following issue has been UPDATED. 
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https://issues.asterisk.org/view.php?id=18821 
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Reported By:                cmaj
Assigned To:                
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Project:                    Asterisk
Issue ID:                   18821
Category:                   Channels/chan_sip/General
Reproducibility:            unable to reproduce
Severity:                   crash
Priority:                   normal
Status:                     confirmed
Asterisk Version:           1.8.3-rc2 
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:             2011-02-16 11:04 CST
Last Modified:              2011-02-16 16:28 CST
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Summary:                    [patch] fix for crash in strcompare_l in
sip/reqresp_parser.c - possible null c_locale
Description: 
Patch attached should fix this. Second or third time this has been seen now
on 1.8.3-rc2, and it appears to be quite random. Lots of TCP SIP signalling
is in use but no TLS.

(gdb) bt
https://issues.asterisk.org/view.php?id=0  0x00007f17ce1d7e37 in strcasecmp_l ()
from /lib/libc.so.6
https://issues.asterisk.org/view.php?id=1  0x00007f179fbf31d5 in
sip_uri_domain_cmp (host1=0x41520bd4
"sip02:5060", host2=0x41520ba4 "sip02:5060") at sip/reqresp_parser.c:2012
https://issues.asterisk.org/view.php?id=2  0x00007f179fbf39d6 in sip_uri_cmp
(input1=<value optimized out>,
input2=<value optimized out>) at sip/reqresp_parser.c:2113
https://issues.asterisk.org/view.php?id=3  0x00007f179fbad7b9 in find_call
(req=0x41523020, addr=0x17ed5b8,
intended_method=2) at chan_sip.c:7362
https://issues.asterisk.org/view.php?id=4  0x00007f179fbee55f in
handle_request_do (req=0x41523020,
addr=0x17ed5b8) at chan_sip.c:24086
https://issues.asterisk.org/view.php?id=5  0x00007f179fbf03e0 in
_sip_tcp_helper_thread (pvt=<value optimized
out>, tcptls_session=0x17ed598) at chan_sip.c:2555
https://issues.asterisk.org/view.php?id=6  0x000000000052b8b1 in
handle_tcptls_connection (data=<value optimized
out>) at tcptls.c:229
https://issues.asterisk.org/view.php?id=7  0x000000000053706c in dummy_start
(data=<value optimized out>) at
utils.c:971
https://issues.asterisk.org/view.php?id=8  0x00007f17cd9e5fc7 in start_thread ()
from /lib/libpthread.so.0
https://issues.asterisk.org/view.php?id=9  0x00007f17ce22a64d in clone () from
/lib/libc.so.6
https://issues.asterisk.org/view.php?id=10 0x0000000000000000 in ?? ()

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Issue History 
Date Modified    Username       Field                    Change               
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2011-02-16 16:28 lmadsen        Description Updated                          
2011-02-16 16:28 lmadsen        Additional Information Updated                  
 
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