Hi Alexei,
We have committed the patch with slight modification on #1959.
Thanks again for the patch.
Best Regards,
Riza
On Sat, Aug 27, 2016 at 4:48 AM, Alexei Gradinari <alex2grad@xxxxxxxxx> wrote:
Hello Ming,
Attached the 2nd version of this patch.
Regards,
Alexei
Wednesday, August 24, 2016, 11:49:50 PM, you wrote:
--> Hi Alexei,
> Thanks for the report and the patch. Is dialog lock not sufficient for
> this purpose? If not, can you please elaborate more, perhaps with a
> sample scenario (and a brief stack trace, if necessary)?
> FYI, we might have a similar problem in ticket #1902
> (https://trac.pjsip.org/repos/ticket/1902 ).
> Best regards,
> Ming
> On Tue, Aug 23, 2016 at 12:11 AM, Alexei Gradinari <alex2grad@xxxxxxxxx> wrote:
>> Hello,
>>
>> When a transport error occured on an INVITE session
>> the pjproject calls on_tsx_state_changed with new
>> state PJSIP_INV_STATE_DISCONNECTED and immediately
>> destroys the INVITE session.
>> At the same time this INVITE session could being
>> processed on another thread.
>> This thread could use the session's memory pools which
>> were already freed, so we get segfault.
>>
>> This patch adds a reference counter and new functions:
>> pjsip_inv_session_add_ref and pjsip_inv_session_dec_ref.
>> The INVITE session is destroyed only when the reference
>> counter has reached zero.
>>
>> To avoid race condition an application should call
>> pjsip_inv_session_add_ref/pjsip_inv_session_dec_ref.
>>
>>
>> Regards,
>> Alexei
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>>
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Best regards,
Alexei mailto:alex2grad@xxxxxxxxx
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