[asterisk-bugs] [JIRA] (ASTERISK-27998) Segfault after REFER packet

[Joshua Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=244339#comment-244339 ] 

Joshua Colp commented on ASTERISK-27998:
----------------------------------------

The res_pjsip_pubsub module has nothing to do with OPTIONS. Disabling qualify disables that. Endpoints have an "allow_subscribe" option which can be used to disallow them from subscribing.

> Segfault after REFER packet
> ---------------------------
>
>                 Key: ASTERISK-27998
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27998
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip
>    Affects Versions: 15.5.0
>            Reporter: Dmitriy Serov
>            Assignee: Unassigned
>            Severity: Critical
>              Labels: pjsip
>         Attachments: core_dump.tar.bz2, refer-hangs.txt
>
>
> During call client Groundwire sends sip packet REFER. Asterisk segfaults.
> Dialplan has not external_replaces extension.
> https://wiki.asterisk.org/wiki/display/AST/res_pjsip+Remote+Attended+Transfers
> Last line i found is: [2018-07-30 16:48:12] DEBUG[19821] res_pjsip_refer.c: Created progress monitor '0x7fa4cb0fc858' for transfer occurring from channel 'PJSIP/demon-00000b41' and endpoint 'demon'



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