[asterisk-bugs] [JIRA] (ASTERISK-25185) Segfault in app_queue on transfer scenarios

[Mario Lenis (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=237886#comment-237886 ] 

Mario Lenis commented on ASTERISK-25185:
----------------------------------------

I have this issue in Asterisk 13.17.

This is the scenario:
1. Call enters to a Queue A and is received by Agent A
2. Agent A executes an attended transfer to a Queue B and hangs up before someone answers
3. The trasnfered call is not answered since Queue B has callback agents and none answers.
4. The attended transfer fails (beeperr) but the original channel had been optimized.
5. Asterisk stops.

This is the backtrace of the issue.
[http://kerberus.com.co/core/core.kerberus-2017-07-31T08-40-49-0500-brief.txt]
[http://kerberus.com.co/core/core.kerberus-2017-07-31T08-40-49-0500-full.txt]
[http://kerberus.com.co/core/core.kerberus-2017-07-31T08-40-49-0500-thread1.txt]


> Segfault in app_queue on transfer scenarios
> -------------------------------------------
>
>                 Key: ASTERISK-25185
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25185
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_queue
>    Affects Versions: 13.4.0
>            Reporter: Etienne Lessard
>            Assignee: Kevin Harwell
>      Target Release: 13.6.0, 14.0.0
>
>         Attachments: ASTERISK-25185-workaround.patch, extensions.conf, gdb-AST-25185-attended-xfer.txt, gdb-AST-25185-blind-xfer.txt, queues.conf, sip.conf
>
>
> Hello,
> A segfault happens in asterisk in the following scenario:
> Given I have 2 users, Alice and Bob, each with a SIP phone (using chan_sip)
> Given I have a queue Foo, with member Bob
> When Alice calls the queue Foo
> And Bob answers the calls
> And Alice then does a direct transfer (SIP native) to another extension
> Then asterisk segfaults
> There is another similar scenario where a segfault happens:
> Given I have 3 users, Alice, Bob and Carol, each with a SIP phone (using chan_sip)
> Given I have a queue Foo, with member Bob
> When Carol calls Alice
> And Alice begins an attended transfer to the queue Foo
> And Bob answers the calls
> And Alice finalize the attended transfer
> Then asterisk segfaults
> This happens in a systematic way. I'll attach some gdb output for each scenario.
> Thank you



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