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

Hello,

ok, considering it fixed now -- thanks for testing and reporting back.

Cheers, Daniel

On 20/12/2016 10:39, Julia Boudniatsky wrote:

Hello Daniel,

I haven't internet assess in our LAB kamailio, I just applied your last commit3a48835cf68f583ff2fbd7cec9bd76ddc0a1b6fc and now It's working. (Tested for empty match_exp with match_op 1 and 2)

Thank you so much! Julia

On Tue, Dec 20, 2016 at 9:38 AM, Daniel-Constantin Mierla <miconda@gmail.com mailto:miconda@gmail.com> wrote:

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@gmail.com <mailto:miconda@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@gmail.com <mailto:miconda@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.


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    -- 
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    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 <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>