[SR-Users] FW: (Devel) Segmentation fault using pua_dialoginfo

[Daniel-Constantin Mierla]

Hello,

can you try with latest master branch -- it should be fixed by:

http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=1d89d7bea854c2e2c646b5d13ba215795325b50f

Cheers,
Daniel

On 5/29/12 5:52 PM, Daniel-Constantin Mierla wrote:
> Hello,
>
> finally had a chance to look over it. I guess it is some race, 
> resulting in a memory space being overwritten. The 200ok for publish 
> with ringing state is processed more or less at the time when 200ok 
> for invite comes and dialog changes state.
>
> Can you re-compile with MEMDBG=1 (edit the Makefile.defs or give it in 
> the command line parameter) and try again? Maybe the memory manager 
> can catch the fault operation and provide more details.
>
> Cheers,
> Daniel
>
> On 5/17/12 6:58 PM, Charles Chance wrote:
>>
>> Hi Daniel,
>>
>> I have sent the messages over to you.
>>
>> I look forward to hear what you can find.
>>
>> Best,
>>
>> Charles
>>
>> ------------------------------------------------------------------------
>>
>> *From:*Daniel-Constantin Mierla [mailto:miconda at gmail.com]
>> *Sent:* 17 May 2012 15:06
>> *To:* Charles Chance
>> *Cc:* 'SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) 
>> -Users Mailing List'
>> *Subject:* Re: FW: (Devel) Segmentation fault using pua_dialoginfo
>>
>> Hello,
>>
>> the content of ps->param is pretty much all invalid. So looks like a 
>> callback on a freed/invalid parameter, could be a double-callback 
>> execution.
>>
>> Set debug=3 and send all the messages for such case -- it might be 
>> quite a lot of them, so send them to my email address, the mailing 
>> list has a limit of message size.
>>
>> Cheers,
>> Daniel
>>
>> On 5/17/12 2:13 PM, Charles Chance wrote:
>>
>>> Hi,
>>>
>>> Requested output as follows:
>>>
>>> (gdb) frame 1
>>>
>>> #1 publ_cback_func (t=0xb3dc8e38, type=1024, ps=0xbfcdd5d8)
>>>
>>>     at send_publish.c:246
>>>
>>> 246 hash_code= core_hash(hentity->pres_uri, NULL, HASH_SIZE);
>>>
>>> (gdb) p *ps
>>>
>>> $2 = {req = 0x0, rpl = 0xb7c30340, param = 0xb3dc3ff4, code = 412, 
>>> flags = 0,
>>>
>>>   branch = 0, t_rbuf = 0x0, dst = 0x0, send_buf = {s = 0x0, len = 0}}
>>>
>>> (gdb) p *(ua_pres_t*)(*ps->param)
>>>
>>> $3 = {id = {s = 0x20455942 <Address 0x20455942 out of bounds>,
>>>
>>>     len = 980445555}, pres_uri = 0x40323531, event = 875444279,
>>>
>>>   expires = 875703856, desired_expires = 858861105, flag = 808794676,
>>>
>>>   db_flag = 1394618421, cb_param = 0x322f5049, next = 0xa0d302e,
>>>
>>>   ua_flag = 979462486, etag = {
>>>
>>>     s = 0x50495320 <Address 0x50495320 out of bounds>, len = 808333871},
>>>
>>>   tuple_id = {s = 0x5044552f <Address 0x5044552f out of bounds>,
>>>
>>>     len = 775436064}, body = 0x322e3034, content_type = {
>>>
>>>     s = 0x312e3134 <Address 0x312e3134 out of bounds>, len = 
>>> 1648047155},
>>>
>>>   watcher_uri = 0x636e6172, call_id = {
>>>
>>>     s = 0x397a3d68 <Address 0x397a3d68 out of bounds>, len = 
>>> 1647593320},
>>>
>>>   to_tag = {s = 0x3435634b <Address 0x3435634b out of bounds>,
>>>
>>>     len = 842149473}, from_tag = {
>>>
>>>     s = 0x63306461 <Address 0x63306461 out of bounds>, len = 808334648},
>>>
>>>   cseq = 1767246349, version = 1394621025, outbound_proxy = 0x322f5049,
>>>
>>>   extra_headers = 0x552f302e, record_route = {
>>>
>>>     s = 0x31205044 <Address 0x31205044 out of bounds>, len = 825111097},
>>>
>>>   remote_contact = {s = 0x312e3836 <Address 0x312e3836 out of bounds>,
>>>
>>>     len = 976498224}, contact = {
>>>
>>>     s = 0x36373135 <Address 0x36373135 out of bounds>, len = 
>>> 1701985073}}
>>>
>>> Yes, it is a test server so very happy to arrange for remote access 
>>> if required. In the meantime, I will do a little more digging to try 
>>> to find out why entity is null.
>>>
>>> Cheers,
>>>
>>> Charles
>>>
>>
>>
>> -- 
>> Daniel-Constantin Mierla -http://www.asipto.com
>> http://twitter.com/#!/miconda  <http://twitter.com/#%21/miconda>  -http://www.linkedin.com/in/miconda
>>
>> ------------------------------------------------------------------------
>>
>> No virus found in this message.
>> Checked by AVG - www.avg.com <http://www.avg.com>
>> Version: 2012.0.2176 / Virus Database: 2425/5004 - Release Date: 05/16/12
>>
>
> -- 
> Daniel-Constantin Mierla -http://www.asipto.com
> http://twitter.com/#!/miconda  -http://www.linkedin.com/in/miconda
> Kamailio Advanced Training, Seattle, USA, Sep 23-26, 2012 -http://asipto.com/u/katu
>
>

-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Seattle, USA, Sep 23-26, 2012 - http://asipto.com/u/katu
Kamailio Practical Workshop, Netherlands, Sep 10-12, 2012 - http://asipto.com/u/kpw



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