[asterisk-bugs] [Asterisk 0010923]: crash in ast_var_name on SIP hangup

[noreply at bugs.digium.com]

The following issue has been REOPENED. 
====================================================================== 
http://bugs.digium.com/view.php?id=10923 
====================================================================== 
Reported By:                atis
Assigned To:                russell
====================================================================== 
Project:                    Asterisk
Issue ID:                   10923
Category:                   Channels/chan_sip/General
Reproducibility:            N/A
Severity:                   crash
Priority:                   normal
Status:                     feedback
Asterisk Version:           1.4.12.1  
SVN Branch (only for SVN checkouts, not tarball releases): N/A  
SVN Revision (number only!):  
Disclaimer on File?:        N/A 
Request Review:              
====================================================================== 
Date Submitted:             10-09-2007 08:37 CDT
Last Modified:              11-07-2007 07:07 CST
====================================================================== 
Summary:                    crash in ast_var_name on SIP hangup
Description: 
I just upgraded to asterisk 1.4.12.1 (from 1.4.10), and within few hours i
got  crash.

It occurred on hangup of SIP channel, and it seems to be related to some
SIP data.
====================================================================== 

---------------------------------------------------------------------- 
 atis - 11-07-07 07:07  
---------------------------------------------------------------------- 
This is not helping. I just got crash on 1.4 r89079.

Using host libthread_db library "/lib/libthread_db.so.1".
Core was generated by `/usr/sbin/asterisk -U asterisk -G asterisk
-vvvcgt'.
Program terminated with signal 11, Segmentation fault.
http://bugs.digium.com/view.php?id=0  0x08090b7a in ast_var_name
(var=0x4731d243) at chanvars.c:69
69    if (name[0] == '_') {
http://bugs.digium.com/view.php?id=0  0x08090b7a in ast_var_name
(var=0x4731d243) at chanvars.c:69
http://bugs.digium.com/view.php?id=1  0x080d969c in pbx_builtin_setvar_helper
(chan=0x873c300,
name=0xb50dc6c0 "INPUTANUM_488", value=0xb50dc7a0 "") at pbx.c:5850
http://bugs.digium.com/view.php?id=2  0xb5d2646e in read_exec (chan=0x873c300,
data=0xb50dcb40) at
app_read.c:192
http://bugs.digium.com/view.php?id=3  0x080ca8ea in pbx_exec (c=0x873c300,
app=0x8239828, data=0xb50dcb40)
at pbx.c:532
http://bugs.digium.com/view.php?id=4  0xb6f6c836 in realtime_exec
(chan=0x873c300, context=0x873c540
"db_ivr", exten=0x873c590 "ivr---488", priority=15, callerid=0x85bd640
"112233", data=0x8503c51 "db_ivr")
    at pbx_realtime.c:216
http://bugs.digium.com/view.php?id=5  0x080ce59b in pbx_extension_helper
(c=0x873c300, con=0x0,
context=0x873c540 "db_ivr", exten=0x873c590 "ivr---488", priority=15,
label=0x0, callerid=0x85bd640 "112233",
    action=E_SPAWN) at pbx.c:1849
http://bugs.digium.com/view.php?id=6  0x080cf8b8 in ast_spawn_extension
(c=0x873c300, context=0x873c540
"db_ivr", exten=0x873c590 "ivr---488", priority=15, callerid=0x85bd640
"112233") at pbx.c:2293
http://bugs.digium.com/view.php?id=7  0x080cfdda in __ast_pbx_run (c=0x873c300)
at pbx.c:2393
http://bugs.digium.com/view.php?id=8  0x080d0baf in pbx_thread (data=0x873c300)
at pbx.c:2608
http://bugs.digium.com/view.php?id=9  0x081110b3 in dummy_start (data=0x856b2a0)
at utils.c:843
http://bugs.digium.com/view.php?id=10 0x497fd3db in start_thread () from
/lib/libpthread.so.0
http://bugs.digium.com/view.php?id=11 0x4975706e in clone () from /lib/libc.so.6


Issue History 
Date Modified   Username       Field                    Change               
====================================================================== 
11-07-07 07:07  atis           Note Added: 0073291                          
======================================================================