[asterisk-dev] Pjsip segfault

[Joshua Colp]

On Fri, Jun 16, 2017, at 11:10 AM, Tomec Martin wrote:
> Hi,
> I am looking at issue
> https://issues.asterisk.org/jira/browse/ASTERISK-27037 and so far I have
> found that:
> In asterisk function ast_sip_send_stateful_response, we receive message
> via pjsip_tsx_recv_msg then prepare answer and send answer via
> pjsip_tsx_send_msg.
> Before we send the answer, the pjsip_transaction structure can be deleted
> by some pjsip callbacks. So the pjsip_tsx_send_msg is called with invalid
> pjsip_transaction.
> 
> Is anybody aware of correct way how to prevent pjsip_transaction from
> being deleted? Or is there a way to determine that transaction was
> deleted (by some callback)?

Have you determined what callbacks will occur that can cause it to
happen? Are you referring to timer entries for example?

-- 
Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org