[asterisk-bugs] [JIRA] (ASTERISK-30034) re_invite rejected with 491 after update of session_media with its SDP

[Joshua C. Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-30034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=258987#comment-258987 ] 

Joshua C. Colp commented on ASTERISK-30034:
-------------------------------------------

It appears the bug you have submitted is against a rather old version of a supported branch of Asterisk. There have been many issues fixed between the version you are using and the current version of your branch. Please test with the latest version in your Asterisk branch and report whether the issue persists.

Please see the Asterisk Versions [1] wiki page for info on which versions of Asterisk are supported.
[1] https://wiki.asterisk.org/wiki/display/AST/Asterisk+Versions



> re_invite rejected with 491 after update of session_media with its SDP
> ----------------------------------------------------------------------
>
>                 Key: ASTERISK-30034
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-30034
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip_session
>    Affects Versions: 16.7.0
>            Reporter: schovaers
>            Severity: Major
>
> Asterisk sends INVITE with T38 udptl to A_party
> A_party sends 100 trying to Asterisk
> A_party sends re_invite with audio to Asterisk
> Asterisk handles the incoming sdp by clearing the previous session_media
> (session_media->handler->stream_destroy(session_media);
> so that session_media->udptl = NULL;
> Asterisk (pjilib) sends " 491 Another INVITE transaction in progres"
> Aparty sends 200 OK to the INVITE with T38 udptl 
> Asterisk excutes "t38_reinvite_response_cb"
> then" t38_change_state"
> then ast_udptl_get_far_max_ifp  with a null pointer 
> ==> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x000056020ba28ab7 in ast_udptl_get_far_max_ifp (udptl=0x0) at udptl.c:1018
> The re_invite has to be rejected without handling its SDP



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