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List: serusers
Subject: Re: [SR-Users] FW: (Devel) Segmentation fault using pua_dialoginfo
From: Daniel-Constantin Mierla <miconda () gmail ! com>
Date: 2012-05-29 15:52:08
Message-ID: 4FC4F0A8.9040009 () gmail ! com
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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@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
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Hello,<br>
<br>
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.<br>
<br>
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.<br>
<br>
Cheers,<br>
Daniel<br>
<br>
<div class="moz-cite-prefix">On 5/17/12 6:58 PM, Charles Chance
wrote:<br>
</div>
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<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">Hi \
Daniel,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">I have sent the
messages over to you.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">I look forward to
hear what you can find.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">Best,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">Charles<o:p></o:p></span></font></p>
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size="2"><span
style="font-size:10.0pt;font-family:Tahoma;color:windowtext;font-weight:bold"
lang="EN-US">From:</span></font></b><font
color="black" face="Tahoma" size="2"><span
style="font-size:10.0pt;
font-family:Tahoma;color:windowtext" lang="EN-US">
Daniel-Constantin Mierla
[<a class="moz-txt-link-freetext" \
href="mailto:miconda@gmail.com">mailto:miconda@gmail.com</a>] <br> <b><span \
style="font-weight:bold">Sent:</span></b> 17 May 2012 15:06<br>
<b><span style="font-weight:bold">To:</span></b> Charles
Chance<br>
<b><span style="font-weight:bold">Cc:</span></b> 'SIP
Router - Kamailio
(OpenSER) and SIP Express Router (SER) -Users Mailing
List'<br>
<b><span style="font-weight:bold">Subject:</span></b>
Re: FW: (Devel)
Segmentation fault using pua_dialoginfo</span></font><font
color="black"><span style="color:windowtext" \
lang="EN-US"><o:p></o:p></span></font></p> </div>
<p class="MsoNormal"><font color="black" face="Times New Roman"
size="3"><span \
style="font-size:12.0pt"><o:p> </o:p></span></font></p> <p class="MsoNormal" \
style="margin-bottom:12.0pt"><font color="black" face="Times New Roman" \
size="3"><span style="font-size:12.0pt">Hello,<br>
<br>
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.<br>
<br>
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.<br>
<br>
Cheers,<br>
Daniel<o:p></o:p></span></font></p>
<div>
<p class="MsoNormal"><font color="black" face="Times New
Roman" size="3"><span style="font-size:12.0pt">On 5/17/12
2:13 PM, Charles Chance wrote:<o:p></o:p></span></font></p>
</div>
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<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
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<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"><u5:p> </u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">Requested output as
follows:<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"><u5:p> </u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">(gdb) frame \
1<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">#1 publ_cback_func
(t=0xb3dc8e38,
type=1024, ps=0xbfcdd5d8)<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> at
send_publish.c:246<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">246
hash_code= core_hash(hentity->pres_uri, NULL,
HASH_SIZE);<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">(gdb) p \
*ps<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">$2 = {req = 0x0,
rpl = 0xb7c30340, param =
0xb3dc3ff4, code = 412, flags = \
0,<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> branch = 0,
t_rbuf = 0x0, dst =
0x0, send_buf = {s = 0x0, len = \
0}}<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">(gdb) p
*(ua_pres_t*)(*ps->param)<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">$3 = {id = {s =
0x20455942 <Address
0x20455942 out of \
bounds>,<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> len =
980445555},
pres_uri = 0x40323531, event = \
875444279,<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> expires =
875703856,
desired_expires = 858861105, flag = \
808794676,<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> db_flag =
1394618421, cb_param = 0x322f5049,
next = 0xa0d302e,<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> ua_flag =
979462486, etag = {<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> s = \
0x50495320 <Address 0x50495320 out of bounds>, len =
808333871},<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> tuple_id = {s =
0x5044552f
<Address 0x5044552f out of \
bounds>,<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> len =
775436064}, body
= 0x322e3034, content_type = \
{<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> s = \
0x312e3134 <Address 0x312e3134 out of bounds>, len =
1648047155},<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> watcher_uri =
0x636e6172, call_id =
{<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> s = \
0x397a3d68 <Address 0x397a3d68 out of bounds>, len =
1647593320},<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> to_tag = {s =
0x3435634b
<Address 0x3435634b out of \
bounds>,<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> len =
842149473},
from_tag = {<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> s = \
0x63306461 <Address 0x63306461 out of bounds>, len =
808334648},<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> cseq =
1767246349, version =
1394621025, outbound_proxy = \
0x322f5049,<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> extra_headers =
0x552f302e,
record_route = {<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> s = \
0x31205044 <Address
0x31205044 out of bounds>, len = \
825111097},<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> remote_contact =
{s = 0x312e3836
<Address 0x312e3836 out of \
bounds>,<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> len =
976498224},
contact = {<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"> s = \
0x36373135 <Address 0x36373135 out of bounds>, len =
1701985073}}<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"><u5:p> </u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"><u5:p> </u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">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.<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"><u5:p> </u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">Cheers,<u5:p></u5:p></span></font><o:p></o:p></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"><u5:p> </u5:p></span></font><o:p></o:p></p>
<div>
<p class="MsoNormal"><font color="navy" face="Arial"
size="2"><span style="font-size:
10.0pt;font-family:Arial;color:navy">Charles<u5:p></u5:p></span></font><o:p></o:p></p>
</div>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy"><u5:p> </u5:p></span></font><o:p></o:p></p>
</blockquote>
<p class="MsoNormal"><font color="black" face="Times New Roman"
size="3"><span style="font-size:12.0pt"><br>
<br>
<o:p></o:p></span></font></p>
<pre><font color="black" face="Courier New" size="2"><span \
style="font-size:10.0pt">-- <o:p></o:p></span></font></pre> <pre><font color="black" \
face="Courier New" size="2"><span style="font-size:10.0pt">Daniel-Constantin Mierla - \
<a moz-do-not-send="true" \
href="http://www.asipto.com">http://www.asipto.com</a><o:p></o:p></span></font></pre> \
<pre><font color="black" face="Courier New" size="2"><span \
style="font-size:10.0pt"><a moz-do-not-send="true" \
href="http://twitter.com/#%21/miconda">http://twitter.com/#!/miconda</a> - <a \
moz-do-not-send="true" \
href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a><o:p></o:p></span></font></pre>
<p class="MsoNormal" style="margin-bottom:12.0pt"><font
color="black" face="Times New Roman" size="3"><span
style="font-size:12.0pt"><o:p> </o:p></span></font></p>
<div class="MsoNormal" style="text-align:center" align="center"><font
color="black" face="Times New Roman" size="3"><span
style="font-size:12.0pt">
<hr align="center" color="#a0a0a0" noshade="noshade"
size="1" width="100%">
</span></font></div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"
color="#000000"><font color="black" face="Times New Roman"
size="3"><span style="font-size:12.0pt">No virus found in
this message.<br>
Checked by AVG - <a moz-do-not-send="true"
href="http://www.avg.com">www.avg.com</a><br>
Version: 2012.0.2176 / Virus Database: 2425/5004 - Release
Date: 05/16/12<o:p></o:p></span></font></p>
</div>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla - <a class="moz-txt-link-freetext" \
href="http://www.asipto.com">http://www.asipto.com</a> <a \
class="moz-txt-link-freetext" \
href="http://twitter.com/#!/miconda">http://twitter.com/#!/miconda</a> - <a \
class="moz-txt-link-freetext" \
href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a> \
Kamailio Advanced Training, Seattle, USA, Sep 23-26, 2012 - <a \
class="moz-txt-link-freetext" \
href="http://asipto.com/u/katu">http://asipto.com/u/katu</a></pre> <br>
<br>
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