[asterisk-bugs] [JIRA] (ASTERISK-25534) Core dump on RTCP report/DNS lookup

[Rusty Newton (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=228226#comment-228226 ] 

Rusty Newton commented on ASTERISK-25534:
-----------------------------------------

Your backtrace appears to contain a memory corruption. We need one or both of the following items to continue investigation of the issue:
1. Valgrind output. See https://wiki.asterisk.org/wiki/display/AST/Valgrind for instructions on how to use Valgrind with Asterisk.
2. MALLOC_DEBUG output. See https://wiki.asterisk.org/wiki/display/AST/MALLOC_DEBUG+Compiler+Flag for instructions on how to use the MALLOC_DEBUG option.

Note that MALLOC_DEBUG and Valgrind are mutually exclusive options. Valgrind output is preferable, but will be more system resource intensive and may be difficult to get on a production system. In such a case, you may have better luck getting the necessary output from MALLOC_DEBUG.



> Core dump on RTCP report/DNS lookup
> -----------------------------------
>
>                 Key: ASTERISK-25534
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25534
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: General
>    Affects Versions: 13.6.0
>            Reporter: Morten Tryfoss
>            Assignee: Unassigned
>            Severity: Critical
>         Attachments: backtrace.txt
>
>
> Asterisk crashed. There might have been a slight drop on the connectivity against the DNS server at the point, but the host it tried lookup on (it's own hostname) is added to /etc/hosts too.
> No info in the logs at the time of the crash. It happened in the middle of the night with just about one simultaneous call on the system.



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