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Summary:ASTERISK-25462: pjsip show channels segfault: Address 0x2 out of bounds in res_sorcery_realtime.c
Reporter:Niklas Larsson (pnlarsson)Labels:
Date Opened:2015-10-13 01:44:39Date Closed:
Priority:MajorRegression?No
Status:Open/NewComponents:Channels/chan_pjsip Core/Sorcery
Versions:13.6.0 Frequency of
Occurrence		Occasional
Related
Issues:
Environment:Debian 7, realtime (mysql)Attachments:( 0) backtrace.txt
( 1) backtrace.txt
Description:Got a segfault when issuing pjsip show channels, this is happens 1 out of 100000 times (doing it ones a minute from a script for stats). Backtrace attached, will recompile with DONT_OPTIMIZE for next backtrace.
Comments:By: Asterisk Team (asteriskteam) 2015-10-13 01:44:40.852-0500

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].
By: Richard Mudgett (rmudgett) 2015-10-13 10:48:01.373-0500

The crash happened while sorcery was processing data pulled out of a realtime back end.  We'll need your configuration for sorcery and which realtime backend you are using.
By: Rusty Newton (rnewton) 2015-10-14 17:36:55.958-0500

Additionally use DONT_OPTIMIZE and BETTER_BACKTRACES for the next backtrace. Thanks!
By: Niklas Larsson (pnlarsson) 2015-10-15 01:30:06.818-0500

sorcery.conf
{code}
[res_pjsip] ; Realtime PJSIP configuration wizard
endpoint=realtime,ps_endpoints
endpoint=config,pjsip.conf,criteria=type=endpoint
auth=realtime,ps_auths
auth=config,pjsip.conf,criteria=type=auth
aor=realtime,ps_aors
aor=config,pjsip.conf,criteria=type=aor
domain_alias=realtime,ps_domain_aliases

[res_pjsip_endpoint_identifier_ip]
identify=realtime,ps_endpoint_id_ips
identify=config,pjsip.conf,criteria=type=identify
{code}
extconfig
{code}
ps_endpoints => mysql,ngpbx,ast_ps_endpoints
ps_auths => mysql,ngpbx,ast_ps_auths
ps_aors => mysql,ngpbx,ast_ps_aors
ps_domain_aliases => mysql,ngpbx,ast_ps_domain_aliases
ps_endpoint_id_ips => mysql,ngpbx,ast_ps_endpoint_id_ips
{code}
By: Asterisk Team (asteriskteam) 2015-10-31 12:00:19.890-0500

Suspended due to lack of activity. This issue will be automatically re-opened if the reporter posts a comment. If you are not the reporter and would like this re-opened please create a new issue instead. If the new issue is related to this one a link will be created during the triage process. Further information on issue tracker usage can be found in the Asterisk Issue Guidlines [1].

[1] https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines
By: Niklas Larsson (pnlarsson) 2015-11-04 07:14:57.865-0600

Got another backtrace - now with DONT_OPTIMIZE (not BETTER_BACKTRACES since I missed to install libbfd-dev).
By: Asterisk Team (asteriskteam) 2015-11-04 07:14:59.077-0600

This issue has been reopened as a result of your commenting on it as the reporter. It will be triaged once again as applicable.
By: Niklas Larsson (pnlarsson) 2015-11-04 07:15:55.412-0600

with DONT_OPTIMIZE