[asterisk-bugs] [JIRA] (ASTERISK-26291) res_pjsip_session: segfault while creating/handling sdp for already disconnected session

[Joshua Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=231849#comment-231849 ] 

Joshua Colp commented on ASTERISK-26291:
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[~alexei gradinari] If you could attach what I mentioned it would be great, so that others can take a look and come to a complete solution. If not someone else will have to lab it up like you have and see.

> res_pjsip_session: segfault while creating/handling sdp for already disconnected session
> ----------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-26291
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26291
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip_session
>    Affects Versions: 13.10.0
>            Reporter: Alexei Gradinari
>            Assignee: Alexei Gradinari
>         Attachments: bt_20160812.txt, bt_full_208160811.txt, pjproject_log.txt
>
>
> The function create_local_sdp tries to allocate memory on already disconnected session.
> If session in disconnected state then session memory pools were already freed, so we get segfault.
> The function handle_incoming_sdp calls negotiate_incoming_sdp_stream on already disconnected session.
> segfault in libpjmedia because of allocating memory from memory pools already freed.



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