[asterisk-bugs] [JIRA] (ASTERISK-27236) Segfault ast_channel_name (chan=0x0) at channel_internal_api.c:478 during T.38 Fax Receive

[Friendly Automation (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=238501#comment-238501 ] 

Friendly Automation commented on ASTERISK-27236:
------------------------------------------------

Change 6386 merged by Jenkins2:
res_pjsip_t38:  Make t38_reinvite_response_cb tolerant of NULL channel

[https://gerrit.asterisk.org/6386|https://gerrit.asterisk.org/6386]

> Segfault ast_channel_name (chan=0x0) at channel_internal_api.c:478 during T.38 Fax Receive
> ------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-27236
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27236
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip, Resources/res_fax, Resources/res_pjsip_t38
>    Affects Versions: GIT
>         Environment: Fedora 23
>            Reporter: Ross Beer
>            Assignee: George Joseph
>         Attachments: core.2017-08-31T10-58-30+0100-thread1.txt, core.2017-08-31T11-14-13+0100-thread1.txt
>
>
> Segfault when receiving faxes via T.38
> {noformat}
> #0  0x00000000004cc917 in ast_channel_name (chan=0x0) at channel_internal_api.c:478
> #1  0x00007f5c9c1afb7b in t38_reinvite_response_cb (session=session at entry=0x7f5cf459dc20, rdata=<optimized out>) at res_pjsip_t38.c:305
>         status = {code = 200, reason = {ptr = <optimized out>, slen = <optimized out>}}
>         state = 0x7f5cf45f1da0
>         session_media = 0x0
>         __PRETTY_FUNCTION__ = "t38_reinvite_response_cb"
> {noformat}
> At the time of the crash, the CLI shows the following:
> {noformat}
> res_fax.c:1947 receivefax_t38_init: channel 'PJSIP/<HOST>-00000036' timed-out during the T.38 negotiation.
> {noformat}



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