[asterisk-bugs] [Asterisk 0018874]: [patch] sig_pri_new_ast_channel should return NULL when new_ast_channel fails to create a channel

Asterisk Bug Tracker noreply at bugs.digium.com
Wed Feb 23 11:38:42 CST 2011


The following issue has been UPDATED. 
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https://issues.asterisk.org/view.php?id=18874 
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Reported By:                cmaj
Assigned To:                
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Project:                    Asterisk
Issue ID:                   18874
Category:                   Channels/chan_dahdi
Reproducibility:            random
Severity:                   crash
Priority:                   normal
Status:                     new
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:             2011-02-23 11:37 CST
Last Modified:              2011-02-23 11:38 CST
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Summary:                    [patch] sig_pri_new_ast_channel should return NULL
when new_ast_channel fails to create a channel
Description: 
It appears that a non-existent channel's transfercapability was trying to
be set. This was during a kill -9 on a runaway box deadlocking in the TCP
TLS layer (which took over a minute to die, a separate matter.) But it
still looks like a bug. Patch attached.

(gdb) bt
https://issues.asterisk.org/view.php?id=0  sig_pri_new_ast_channel (p=0x12a0900,
state=<value optimized out>,
ulaw=<value optimized out>, transfercapability=16, exten=<value optimized
out>,
    requestor=<value optimized out>) at sig_pri.c:877
https://issues.asterisk.org/view.php?id=1  0x00007f7f5a2c95dc in pri_dchannel
(vpri=<value optimized out>) at
sig_pri.c:4951
https://issues.asterisk.org/view.php?id=2  0x000000000053707c in dummy_start
(data=<value optimized out>) at
utils.c:971
https://issues.asterisk.org/view.php?id=3  0x00007f7f652c3fc7 in start_thread ()
from /lib/libpthread.so.0
https://issues.asterisk.org/view.php?id=4  0x00007f7f65b0864d in clone () from
/lib/libc.so.6
https://issues.asterisk.org/view.php?id=5  0x0000000000000000 in ?? ()


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Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2011-02-23 11:38 cmaj           Summary                  sig_pri_new_ast_channel
should return NULL when new_ast_channel fails to create a channel => [patch]
sig_pri_new_ast_channel should return NULL when new_ast_channel fails to create
a channel
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