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

[Julia Boudniatsky]

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> 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> 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 listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>> --
>> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>
>> _______________________________________________ SIP Express Router (SER)
>> and Kamailio (OpenSER) - sr-users mailing list
>> sr-users at lists.sip-router.org http://lists.sip-router.org/cg
>> i-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>
>
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