[sr-dev] Crash in free_sip_msg -> reset_ruid

[Daniel-Constantin Mierla]

Hello,

can you give bt full as well as kamailio -v output? Any log error messages?

Also, it would be good to recompile with MEMDBG=1 and watch for errors 
in the logs to see if there is a buffer overflow.

Cheers,
Daniel

On 10/2/13 7:19 PM, Hugh Waite wrote:
> Hi,
> We've had some more crashes on the current master build.
> (gdb) bt
> #0  qm_insert_free (qm=0x7fc1e1b9e010, p=<value optimized out>) at 
> mem/q_malloc.c:181
> #1  qm_free (qm=0x7fc1e1b9e010, p=<value optimized out>) at 
> mem/q_malloc.c:527
> #2  0x000000000055027f in reset_ruid (msg=0x7fc1e1c35360) at 
> parser/msg_parser.c:911
> #3  free_sip_msg (msg=0x7fc1e1c35360) at parser/msg_parser.c:730
> #4  0x00000000004a4012 in receive_msg (buf=<value optimized out>, 
> len=<value optimized out>, rcv_info=<value optimized out>) at 
> receive.c:297
> #5  0x000000000052a251 in tcp_read_req (con=0x7fc1ca4c6e00, 
> bytes_read=0x7fff041b327c, read_flags=0x7fff041b3274) at tcp_read.c:1387
> #6  0x000000000052c53b in handle_io (fm=<value optimized out>, 
> events=1, idx=-1) at tcp_read.c:1617
> #7  0x000000000052eb69 in io_wait_loop_epoll (unix_sock=<value 
> optimized out>) at io_wait.h:1092
> #8  tcp_receive_loop (unix_sock=<value optimized out>) at tcp_read.c:1728
> #9  0x00000000004fc0eb in tcp_init_children () at tcp_main.c:4959
> #10 0x000000000046c3d5 in main_loop () at main.c:1702
> #11 0x000000000046dec9 in main (argc=<value optimized out>, 
> argv=<value optimized out>) at main.c:2533
>
> (gdb) frame 2
> #2  0x000000000055027f in reset_ruid (msg=0x7fc1e1c35360) at 
> parser/msg_parser.c:911
> 911                     pkg_free(msg->ruid.s);
> (gdb) p msg->ruid
> $7 = {s = 0x845d20 "", len = 20}
>
> Might this be related to the changes made on Sept 19th to the 
> free_sip_msg functions?
>
> Regards,
> Hugh
>

-- 
Daniel-Constantin Mierla - http://www.asipto.com
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