[SR-Users] SIP Router 3.03 topoh

dotnetdub dotnetdub at gmail.com
Thu Nov 25 18:32:16 CET 2010


>
> Hi Marius,
>>
>
>  I hope this is what your after!
>
>  (gdb) add-symbol-file /lib/kamailio/modules/topoh.so
> 0xb7004000+0x00001d30
> add symbol table from file "/lib/kamailio/modules/topoh.so" at
>  .text_addr = 0xb7005d30
> (y or n) y
> Reading symbols from /lib/kamailio/modules/topoh.so...done.
> (gdb) x/s 0xb70070d9
> 0xb70070d9 <th_skip_msg+9>: <Address 0xb70070d9 out of bounds>
> (gdb) info registers
>
>
>
>
> Yes I think it is
>
> Looking at the debug messages I see the CSeq is wrong.
>
> But :
>
> int th_skip_msg(sip_msg_t *msg)
> {
>         if((get_cseq(msg)->method_id)&(METHOD_REGISTER|METHOD_PUBLISH))
>                 return 1;
>
>         return 0;
> }
>
> As the cseq is wrong the get_cseq macro probably returns a NULL Pointer who
> gets dereferenced (BANG the crash). Any other Ideas ?!
>
> The patch is trivial ( if(!get_cseq(msg))) parse_cseq(....) ) something in
> this line. Daniel, What do you think ?
>
> Marius
>
>

Thanks Marius.

Glad that we were able to find the issue.

Regards
Brian
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