[asterisk-bugs] [Asterisk 0019072]: crash in ast_frdup with oversized udptl frame

[Asterisk Bug Tracker]

The following issue has been SUBMITTED. 
====================================================================== 
https://issues.asterisk.org/view.php?id=19072 
====================================================================== 
Reported By:                vrban
Assigned To:                
====================================================================== 
Project:                    Asterisk
Issue ID:                   19072
Category:                   Channels/chan_sip/T.38
Reproducibility:            unable to reproduce
Severity:                   crash
Priority:                   normal
Status:                     new
Asterisk Version:           1.4.40 
JIRA:                        
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
====================================================================== 
Date Submitted:             2011-04-06 06:05 CDT
Last Modified:              2011-04-06 06:05 CDT
====================================================================== 
Summary:                    crash in ast_frdup with oversized udptl frame
Description: 
a crash, see gdb_output.txt

noticeable is the oversized datalen:

$2 = {frametype = AST_FRAME_MODEM, subclass = 1, datalen = 79109792,
samples = 0, mallocd = 0, mallocd_hdr_len = 0, offset = 0, 
  src = 0x4e05fe "UDPTL", data = 0x4b71e98, delivery = {tv_sec = 0,
tv_usec = 0}, frame_list = {next = 0x54a0368}, flags = 0, ts = 0, len = 0,

  seqno = 33223}
====================================================================== 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2011-04-06 06:05 vrban          New Issue                                    
2011-04-06 06:05 vrban          Asterisk Version          => 1.4.40          
2011-04-06 06:05 vrban          Regression                => No              
2011-04-06 06:05 vrban          SVN Branch (only for SVN checkouts, not tarball
releases) => N/A             
======================================================================