[SR-Users] kamailio 4.4 segmentation fault when dp_translate match dialplan with ftmatch operator and empty match expression

[Daniel-Constantin Mierla]

Hello,

thanks, it helped and hopefully it is not fixed in master and 4.4
branches? Can you try fetching from git repository and see all ok now?

Cheers,
Daniel


On 20/12/2016 06:56, Julia Boudniatsky wrote:
> Hello,
>
> (gdb) frame 2
> #2  0x00007f7dca44d21a in translate (msg=0x7f7dd00bedd8, input=...,
> output=0x7fff32793420, idp=0x7f7cc9376648, attrs=0x7fff32793410)
>     at dp_repl.c:636
> 636                                     rez =
> fnmatch(rulep->match_exp.s, input.s, 0);
> (gdb) list
> 631
> 632                             case DP_FNMATCH_OP:
> 633                                     LM_DBG("fnmatch operator
> testing\n");
> 634                                     b = input.s[input.len];
> 635                                     input.s[input.len] = '\0';
> 636                                     rez =
> fnmatch(rulep->match_exp.s, input.s, 0);
> 637                                     input.s[input.len] = b;
> 638                                     rez = (rez==0)?0:-1;
> 639                                     break;
> 640
>
> Thank you,
> Julia
>
> On Mon, Dec 19, 2016 at 10:46 PM, Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
>     Hello,
>
>     I mistakenly pointed to a wrong frame, can you do it again for
>     frame 2?
>
>     frame 2
>     list
>
>     Cheers,
>     Daniel
>
>
>     On 19/12/2016 21:28, Julia Boudniatsky wrote:
>>     Hello Daniel,
>>
>>     Thank you for reply.
>>
>>
>>     Program terminated with signal 11, Segmentation fault.
>>     #0  0x00000036074afb73 in internal_fnmatch () from /lib64/libc.so.6
>>     Missing separate debuginfos, use: debuginfo-install
>>     MySQL-shared-5.5.27-1.el6.x86_64 glibc-2.12-1.47.el6.x86_64
>>     libgcc-4.4.6-3.el6.x86_64 libuuid-2.17.2-12.4.el6.x86_64
>>     pcre-7.8-3.1.el6.x86_64
>>     (gdb) frame 0
>>     #0  0x00000036074afb73 in internal_fnmatch () from /lib64/libc.so.6
>>     (gdb) list
>>     1834            int proto;
>>     1835            char *options;
>>     1836            int ret;
>>     1837            unsigned int seed;
>>     1838            int rfd;
>>     1839            int debug_save, debug_flag;
>>     1840            int dont_fork_cnt;
>>     1841            struct name_lst* n_lst;
>>     1842            char *p;
>>     1843            struct stat st = {0};
>>
>>     Best regards.
>>
>>     Julia
>>
>>
>>
>>
>>
>>     On Mon, Dec 19, 2016 at 8:38 PM, Daniel-Constantin Mierla
>>     <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>>
>>         Hello,
>>
>>         can you give the output in gdb for:
>>
>>         frame 0
>>         list
>>
>>         The head of 4.4 branch got some extra commits to the module
>>         and those commands help to identify the right lines of code.
>>
>>         Cheers,
>>         Daniel
>>
>>
>>         On 19/12/2016 13:47, Julia Boudniatsky wrote:
>>>         version: kamailio 4.4.4  id:852c47
>>>
>>>         ENTRY: {
>>>                                 PRIO: 16765956
>>>                                 MATCHOP: 2
>>>                                 _MATCHEXP: _
>>>                                 MATCHLEN: 0
>>>                                 SUBSTEXP: 
>>>                                 REPLEXP: 
>>>                                 ATTRS: 1
>>>                         }
>>>
>>>         Please see generated core file in extension.
>>>
>>>         Thank you,
>>>         Julia.
>>>
>>>
>>>         _______________________________________________
>>>         SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
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>>
>>         -- 
>>         Daniel-Constantin Mierla
>>         www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
>>         Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com <http://www.kamailioworld.com>
>>
>>         _______________________________________________ SIP Express
>>         Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>         sr-users at lists.sip-router.org
>>         <mailto:sr-users at lists.sip-router.org>
>>         http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
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>>
>     -- 
>     Daniel-Constantin Mierla
>     www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
>     Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com <http://www.kamailioworld.com>
>
-- 
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
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