[asterisk-bugs] [Asterisk 0017371]: [patch] [regression] DAHDI analog FXS port segfaults after dialling 2nd DTMF digit

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
====================================================================== 
https://issues.asterisk.org/view.php?id=17371 
====================================================================== 
Reported By:                alecdavis
Assigned To:                
====================================================================== 
Project:                    Asterisk
Issue ID:                   17371
Category:                   Core/PBX
Reproducibility:            always
Severity:                   crash
Priority:                   high
Status:                     ready for testing
Asterisk Version:           SVN 
JIRA:                        
Regression:                 Yes 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases):  trunk 
SVN Revision (number only!): 264905 
Request Review:              
====================================================================== 
Date Submitted:             2010-05-21 04:14 CDT
Last Modified:              2010-05-25 02:48 CDT
====================================================================== 
Summary:                    [patch] [regression] DAHDI analog FXS port segfaults
after dialling 2nd DTMF digit
Description: 

https://issues.asterisk.org/view.php?id=1  0x080e12f4 in ast_dsp_process
(chan=0x85e23d8, dsp=0x85e5008,
af=0x85d1560) at dsp.c:1418
1418                                   
memmove(&dsp->digit_state.digitlen[0], &dsp->digit_state.digitlen[1],
<b>dsp->digit_state.current_len *
</b>sizeof(dsp->digit_state.digitlen[0]));
(gdb) p  dsp->digit_state.current_len
$1 = 2
(gdb) p dsp->digit_state.digitlen[0]
$2 = 0
(gdb) p dsp->digit_state.digitlen[1]
$3 = 0
(gdb) quit

======================================================================
Relationships       ID      Summary
----------------------------------------------------------------------
related to          0017235 [patch] asterisk dsp always reports det...
====================================================================== 

---------------------------------------------------------------------- 
 (0122353) alecdavis (manager) - 2010-05-25 02:48
 https://issues.asterisk.org/view.php?id=17371#c122353 
---------------------------------------------------------------------- 
Segfaults still after dialling 2 digits.
uploaded lastest backtrace. gdb_250510.txt

(gdb) frame 1
https://issues.asterisk.org/view.php?id=1  0x080dcffb in ast_dsp_process
(chan=0xb9636f8, dsp=0xb967718,
af=0xb302d4c8) at dsp.c:1416
1416                                   
memmove(&dsp->digit_state.digits[0], &dsp->digit_state.digits[1],
dsp->digit_state.current_digits);
(gdb) p  dsp->digit_state.current_digits
$1 = 16777215
(gdb) p dsp->digit_state.digits[0]
$2 = 0 '\0'
(gdb) p dsp->digit_state.digits[1]
$3 = 0 '\0'
(gdb) 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-05-25 02:48 alecdavis      Note Added: 0122353                          
======================================================================