[asterisk-bugs] [Asterisk 0016731]: [patch] core dump when user parkandannouce

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
====================================================================== 
https://issues.asterisk.org/view.php?id=16731 
====================================================================== 
Reported By:                sebele67
Assigned To:                seanbright
====================================================================== 
Project:                    Asterisk
Issue ID:                   16731
Category:                   Applications/app_parkandannounce
Reproducibility:            always
Severity:                   crash
Priority:                   normal
Status:                     ready for review
Asterisk Version:           1.4.29 
JIRA:                        
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
====================================================================== 
Date Submitted:             2010-01-29 06:24 CST
Last Modified:              2010-03-09 13:29 CST
====================================================================== 
Summary:                    [patch] core dump when user parkandannouce
Description: 
I upgraded my asterisk 1.4.28 to 1.4.29.

Our receptionist software use parkandannounce

After I upgrade asterisk do a core dump immediately. With 1.4.28 it work
perfectly.

The last line in my log
[Jan 29 10:02:21] VERBOSE[16724] logger.c:     -- Executing
[trc-park2 at trc:1] Answer("SIP/Strasbourg_rbsheberger-0000014e", "") in new
stack
[Jan 29 10:02:21] VERBOSE[16724] logger.c:     -- Executing
[trc-park2 at trc:2] ParkAndAnnounce("SIP/Strasbourg_rbsheberger-0000014e",
"pbx-transfer:PARKED|180
||trc|trc-inbound|1") in new stack
[Jan 29 10:02:21] VERBOSE[16724] logger.c:     -- Dial Tech,String:
(,(null))
[Jan 29 10:02:21] VERBOSE[16724] logger.c:     -- Return Context:
(trc,trc-inbound,1) ID: 00390202623

====================================================================== 

---------------------------------------------------------------------- 
 (0119182) svnbot (reporter) - 2010-03-09 13:29
 https://issues.asterisk.org/view.php?id=16731#c119182 
---------------------------------------------------------------------- 
Repository: asterisk
Revision: 251410

U   branches/1.4/apps/app_parkandannounce.c

------------------------------------------------------------------------
r251410 | seanbright | 2010-03-09 13:29:40 -0600 (Tue, 09 Mar 2010) | 8
lines

Use ast_strlen_zero to avoid a crash when a Dial() string isn't passed to
ParkAndAnnounce

(closes issue https://issues.asterisk.org/view.php?id=16731)
Reported by: sebele67
Patches:
      issue16731_20100129.diff uploaded by seanbright (license 71)
Tested by: sebele67

------------------------------------------------------------------------

http://svn.digium.com/view/asterisk?view=rev&revision=251410 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-03-09 13:29 svnbot         Checkin                                      
2010-03-09 13:29 svnbot         Note Added: 0119182                          
======================================================================