[asterisk-bugs] [JIRA] (ASTERISK-28811) Crash occurs when fax session switches from T.38 to audio

[Alexei Gradinari (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=250452#comment-250452 ] 

Alexei Gradinari commented on ASTERISK-28811:
---------------------------------------------

Without patch.
I'm compiling the asterisk with this patch right now, will run patched asterisk and let you know about further results.
I uploaded 2 SIP traces and backtraces so you  know that there are 2 places to crash.


> Crash occurs when fax session switches from T.38 to audio
> ---------------------------------------------------------
>
>                 Key: ASTERISK-28811
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28811
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: pjproject/pjsip
>    Affects Versions: 16.9.0
>         Environment: CentOS Linux release 7.7.1908 (Core) 3.10.0-1062.4.3.el7.x86_64
>            Reporter: Alexey Vasilyev
>            Assignee: Alexey Vasilyev
>              Labels: fax, patch
>         Attachments: ASTERISK-28811-2.diff, cisco-pbx.txt, core.28811.tar.gz, crash1-backtrace.txt, crash1-sip-trace.txt, crash2-backtrace.txt, crash2-sip-trace.txt, pbx-fax.txt, pjsip.conf
>
>
> During sending fax from Cisco SPA112 device through several Asterisk servers, latest updated server is crashed (Asterisk 16.9.0). But we can't reproduce crash, as sometimes faxes send fine, from other Cisco SPA112 devices faxes just stopped sending (receiving works fine). After downgrade to 16.8.0 everything works fine again.



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