[asterisk-bugs] [JIRA] (ASTERISK-26590) Inconsistent crashes in ast_json_free at json.c

[Rusty Newton (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-26590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rusty Newton updated ASTERISK-26590:
------------------------------------

    Assignee: Ada Vlachou
      Status: Waiting for Feedback  (was: Triage)

[~ada] Thanks for the report and the backtrace. 

What helps is to provide an Asterisk log along with the backtrace so that we can see what Asterisk was doing when the crash happened.

https://wiki.asterisk.org/wiki/display/AST/Collecting+Debug+Information

That guide will show you how to grab a full log with all the log channels.

We typically need: warning,error,notice,verbose,debug. Verbose and Debug should be turned up to 5 or higher.

Try to grab the log and the backtrace from the same incident. If possible, remember to recompile with the flags suggested on the [Getting a Backtrace|https://wiki.asterisk.org/wiki/display/AST/Getting+a+Backtrace] page.

Additionally, what Jansson version are you using and can you test with the latest 13?

To summarize:

 * Grab a log, along with a new backtrace, make sure the log channels are what we need.
 * Make sure to recompile with the appropriate compiler flags as mentioned in documentation.
 * What Jansson version are you using?
 * Can you test to see if these crashes occur with the latest 13?



> Inconsistent crashes in ast_json_free at json.c
> -----------------------------------------------
>
>                 Key: ASTERISK-26590
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26590
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>    Affects Versions: 13.8.0
>            Reporter: Ada Vlachou
>            Assignee: Ada Vlachou
>         Attachments: backtrace-threads.txt, backtrace.txt
>
>
> Asterisk will crash occasionally, sometimes it might keep going for a month or two without problems, sometimes it might crash a few hours after restarting it. We haven't been able to spot any event or pattern that might point us in the right direction.
> I followed the insctructions as best I could from "Getting a backtrace" article and am attaching the logs. 
> OS details:
> Description:    Ubuntu 16.04.1 LTS
> Release:        16.04
> Codename:       xenial



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