[asterisk-bugs] [JIRA] (ASTERISK-28923) T.38 Segfaults in chan_pjsip_queryoption

[Yury Kirsanov (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=251021#comment-251021 ] 

Yury Kirsanov commented on ASTERISK-28923:
------------------------------------------

Hi George,
This far patch looks very promising, we didn't have a single segfault today during whole day! I will monitor server for couple more days and reply to you next Monday, 8th of June if we won't have any more segfaults!

> T.38 Segfaults in chan_pjsip_queryoption
> ----------------------------------------
>
>                 Key: ASTERISK-28923
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28923
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip
>    Affects Versions: 16.10.0
>         Environment: Linux Ubuntu 18.04.04 LTS
>            Reporter: Yury Kirsanov
>            Assignee: Unassigned
>              Labels: fax, patch
>         Attachments: 0001-res_fax-Don-t-start-a-gateway-if-either-channel-is-h.patch, crash.tar.gz
>
>
> We're using Asterisk in a heavily-loaded production environment with a lot of devices in both UDP and TCP mode, compiled with bundled version of PJSIP. Recently we have enabled T.38 fax receiving and started to get segfaults even when there's not too much load (i.e. during weekend days) in chan_pjsip.so. I've tried to compile external (non-bundled) version of PJProject, it works fine (version 2.10-dev) but didn't resolve the issue. So I have compiled a debug version of Asterisk and it looks like thread 1 is crashing when doing some T.38 fax options. Could you please let me know if I'm correct or what could be wrong? I'm attaching coredump files in archive. Thanks.



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