[sr-dev] Remote-Party-ID Parsed Header Crash

[Joshua Colp]

On Sat, Jan 14, 2017, at 01:25 PM, Daniel-Constantin Mierla wrote:
> Hello,
> 
> I think you were hit by an issue solved with commit
> 15fc8b9c59aaf31f005e38f54d363f1e9d0a068e :
> 
> https://github.com/kamailio/kamailio/commit/15fc8b9c59aaf31f005e38f54d363f1e9d0a068e
> 
> The 4.1.3 was released before, in April 2014:
> 
>   - https://www.kamailio.org/pub/kamailio/4.1.3/README
> 
> I am not sure if it was backported to 4.1 branch, but should not be hard
> to backport.
> 
> The issues was with many processing handling the same transaction, which
> has the sip_msg in shared memory, but then parsing of some headers
> created pointers to private memory of the process doing the parsing.
> Another process coming shortly after would see the pointer in sip_msg,
> but it would be to another process private memory and accessing it does
> a seg fault as expected.

Thanks Daniel! Based on some logging I added I can confirm that the
parsing did happen in another process, so I think you are right that
this will fix the issue. I'm going to work on backporting the change and
testing it out.

Cheers,

-- 
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