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Summary:ASTERISK-19713: Asterisk segfaults on invalid datastore in channel destructor
Reporter:Aleksandr Gordeev (axonaro)Labels:
Date Opened:2012-04-12 05:58:16Date Closed:2015-03-13 21:35:34
Priority:MajorRegression?
Status:Closed/CompleteComponents:Core/PBX
Versions:10.3.0 10.4.0 Frequency of
Occurrence		Constant
Related
Issues:
is the original version of this clone:ASTERISK-19779 Asterisk segfaults when handling sip_security_event and attempting to load realtime peer with no realtime backend
is the original version of this clone:ASTERISK-19780 Asterisk segfaults on invalid datastore in channel destructor
Environment:Attachments:( 0) backtrace.txt
( 1) backtrace.txt
( 2) extconfig.conf
( 3) full_log.txt
( 4) sip.conf
Description:Asterisk always segfault after processing a certain number of calls

extensions.conf
[test-sip]
exten => service,1,Progress
exten => service,n,Wait(2)
exten => service,n,Playback(vm-sorry,noanswer)
exten => service,n,Hangup
Comments:By: Matt Jordan (mjordan) 2012-04-12 08:44:20.762-0500

We require a complete debug log to help triage the issue. This document will provide instructions on how to collect debugging logs from an Asterisk machine for the purpose of helping bug marshals troubleshoot an issue: https://wiki.asterisk.org/wiki/display/AST/Collecting+Debug+Information

It looks like somehow an invalid datastore was put onto the channel.  Can you provide your full extensions.conf as well as a DEBUG log leading up to the crash?

Thanks!
By: Aleksandr Gordeev (axonaro) 2012-04-13 00:26:37.809-0500

/etc/asterisk/extensions.conf
----------------------------------------------------
[general]
static=yes
writeprotect=no
clearglobalvars=no

[globals]

#include "config/extensions.config"
----------------------------------------------------

/etc/asterisk/config/extensions.config
----------------------------------------------------
[test-sip]
exten => service,1,Progress
;exten => service,n,Answer
exten => service,n,Wait(2)
exten => service,n,Playback(vm-sorry,noanswer)
exten => service,n,Hangup
----------------------------------------------------
By: Matt Jordan (mjordan) 2012-04-17 09:09:49.439-0500

Please attach your sip.conf and extconfig.conf as well.

It appears as if you have an invalid configuration, as chan_sip is attempting to look up a realtime peer named 'service' when you have no realtime backend configured (or it can't find the realtime backend you've specified.)
By: Matt Jordan (mjordan) 2012-04-17 09:12:58.237-0500

As an fyi, you have two crashes illustrated in your backtraces here.

1) The invalid datastore on the channel destructor

2) An invalid lookup of SIP realtime peers causing a crash in the realtime engine


By: Aleksandr Gordeev (axonaro) 2012-04-18 03:17:44.502-0500

I'm not use realtime backend.

In config/sip.config

[def_conf](!)
host=dynamic
type=friend
call-limit=1
canreinvite=no
context=default
dtmfmode=rfc2833
qualify=120000
disallow=all
allow=g729,alaw
t38pt_udptl=yes,redundancy

[sipp](def_conf)
host=dynamic
type=friend
context=test-sip
deny=0.0.0.0/0.0.0.0
permit=10.44.100.0/24
insecure=invite
disallow=all
allow=ulaw
t38pt_udptl=yes
call-limit=200
By: Matt Jordan (mjordan) 2012-04-24 12:19:39.179-0500

I spawned a second issue to address the seg fault occurring in the security_event handling.  We will track the original datastore problem off this issue.
By: Matt Jordan (mjordan) 2015-03-13 21:35:26.900-0500

Per the Asterisk versions page [1], the maintenance (bug fix) support for the Asterisk branch you are using has ended. For continued maintenance support please move to a supported branch of Asterisk. After testing with a supported branch, if you find this problem has not been resolved, please open a new issue against the latest version of that Asterisk branch.

Thanks!

[1] https://wiki.asterisk.org/wiki/display/AST/Asterisk+Versions