[asterisk-bugs] [JIRA] (ASTERISK-27944) res_pjsip_t38: Crash receiving 1xx responses other than 100 before 200 for T.38 reINVITE

[Joshua Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-27944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua Colp closed ASTERISK-27944.
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I'm closing this out as fixed since the patch itself solves the crash problem. If you are able to provide the specific scenario then we can potentially look deeper into understanding it.

> res_pjsip_t38: Crash receiving 1xx responses other than 100 before 200 for T.38 reINVITE
> ----------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-27944
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27944
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip_t38
>    Affects Versions: 15.2.2, 15.4.1
>            Reporter: Joshua Elson
>            Assignee: Unassigned
>            Severity: Minor
>              Labels: fax, patch, pjsip
>         Attachments: core.com-2018-08-01T15-46-31-0600-brief.txt, core.com-2018-08-01T15-46-31-0600-full.txt, core.com-2018-08-01T15-46-31-0600-locks.txt, core.com-2018-08-01T15-46-31-0600-thread1.txt, core.iad.2018-08-10T12-34-02-0600-brief.txt, core.iad.2018-08-10T12-34-02-0600-full.txt, core.iad.2018-08-10T12-34-02-0600-locks.txt, core.iad.2018-08-10T12-34-02-0600-thread1.txt, core.iad.com-2018-06-25T14-06-14-0600-brief.txt, core.iad.com.2018-06-25T14-06-14-0600-full.txt, core.iad.com.2018-06-25T14-06-14-0600-locks.txt, core.iad.com.2018-06-25T14-06-14-0600-thread1.txt, core.iad.com-2018-07-09T09-14-58-0600-brief.txt, core.iad.com-2018-07-09T09-14-58-0600-full.txt, core.iad.com-2018-07-09T09-14-58-0600-locks.txt, core.iad.com-2018-07-09T09-14-58-0600-thread1.txt, crash_dialplan.txt, jira_asterisk_27944_v2_w_debug_v15.patch
>
>
> Crash of Asterisk on T38 session rejection via PJSIP.
> This is happening somewhat routinely on a number of our nodes. The error message in the logs will appear as:
> [2018-06-25 14:06:04] WARNING[3368][C-00005bd3] res_fax.c: channel 'PJSIP/FC-DFW-PROXY-0000f050' refused to negotiate T.38
> There will be a crash with the attached backtrace.



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