[sr-dev] Segmentation fault when MSRP frame is received

[Daniel-Constantin Mierla]

Hello,

can you try with latest git master branch? I pushed a fix, there was a 
copy&paste bug when trying to get the To-Path.

Cheers,
Daniel

On 10/9/12 12:53 AM, Peter Dunkley wrote:
> Hi,
>
> I've been trying to get MSRP working with the code in git master.  I get a
> segmentation fault when I send in an MSRP frame.  The frame I am using is
> the example from the module README:
>
> MSRP 6aef SEND
> To-Path: msrps://a.example.org:9000/kjfjan;tcp
> msrps://b.example.net:9000/aeiug;tcp msrps://bob.example.net:8145/foo;tcp
> From-Path: msrps://alice.example.org:7965/bar;tcp
> Success-Report: yes
> Byte-Range: 1-*/*
> Message-ID: 87652
> Content-Type: text/plain
>
> Hi Bob, I'm about to send you a photo.
> -------6aef$
>
>
> I have put this into a text file (with \r\n line endings) and am using nc
> to feed it into Kamailio.  My MSRP event_route[] is also copied directly
> from the module README.
>
> This is the back-trace from GDB:
> Program terminated with signal 11, Segmentation fault.
> #0  0x00007f604f6dfd00 in pv_get_msrp (msg=0x7f604f8e7700,
> param=0x7f60573cb1f0, res=0x7fffed403b90) at msrp_vars.c:269
> 269				return pv_get_uintval(msg, param, res, sar->size-1);
> (gdb) bt
> #0  0x00007f604f6dfd00 in pv_get_msrp (msg=0x7f604f8e7700,
> param=0x7f60573cb1f0, res=0x7fffed403b90) at msrp_vars.c:269
> #1  0x000000000048a6ca in pv_get_spec_value (msg=0x7f604f8e7700,
> sp=0x7f60573cb1d8, value=0x7fffed403b90) at pvapi.c:1233
> #2  0x00000000004b7bf0 in rval_get_int (h=0x7fffed404a10, msg=<value
> optimized out>, i=0x7fffed403e5c, rv=<value optimized out>, cache=<value
> optimized out>)
>      at rvalue.c:974
> #3  0x00000000004bc22c in rval_expr_eval_int (h=0x7fffed404a10,
> msg=0x7f604f8e7700, res=0x7fffed403e5c, rve=0x7f60573cb1c8) at
> rvalue.c:1914
> #4  0x00000000004bc3a9 in rval_expr_eval_int (h=0x7fffed404a10,
> msg=0x7f604f8e7700, res=0x7fffed4042b8, rve=0x7f60573cbf68) at
> rvalue.c:1947
> #5  0x0000000000415f4c in do_action (h=0x7fffed404a10, a=0x7f60573cd6d8,
> msg=0x7f604f8e7700) at action.c:1123
> #6  0x000000000041c586 in run_actions (h=0x7fffed404a10, a=0x7f60573cd6d8,
> msg=0x7f604f8e7700) at action.c:1646
> #7  0x0000000000415fa3 in do_action (h=0x7fffed404a10, a=0x7f60573d1e88,
> msg=0x7f604f8e7700) at action.c:1142
> #8  0x000000000041c586 in run_actions (h=0x7fffed404a10, a=0x7f60573ba538,
> msg=0x7f604f8e7700) at action.c:1646
> #9  0x000000000041cbc0 in run_top_route (a=0x7f60573ba538,
> msg=0x7f604f8e7700, c=<value optimized out>) at action.c:1731
> #10 0x00007f604f6d769e in msrp_frame_received (data=<value optimized out>)
> at msrp_mod.c:377
> #11 0x0000000000512d49 in msrp_process_msg (
>      tcpbuf=0x7f6050576a28 "MSRP 6aef SEND\r\nTo-Path:
> msrps://a.example.org:9000/kjfjan;tcp
> msrps://b.example.net:9000/aeiug;tcp
> msrps://bob.example.net:8145/foo;tcp\r\nFrom-Path:
> msrps://alice.example.org:7965/bar;tcp\r\nSuccess-Rep"..., len=330,
> rcv_info=0x7f6050576758, con=0x7f6050576740) at tcp_read.c:1010
> #12 0x00000000005176df in tcp_read_req (con=0x7f6050576740,
> bytes_read=0x7fffed404d98, read_flags=0x7fffed404d94) at tcp_read.c:1380
> #13 0x0000000000519630 in handle_io (fm=<value optimized out>,
> events=<value optimized out>, idx=<value optimized out>) at
> tcp_read.c:1552
> #14 0x000000000051bae9 in io_wait_loop_epoll (unix_sock=<value optimized
> out>) at io_wait.h:1092
> #15 tcp_receive_loop (unix_sock=<value optimized out>) at tcp_read.c:1721
> #16 0x00000000004ec0eb in tcp_init_children () at tcp_main.c:4953
> #17 0x0000000000466789 in main_loop () at main.c:1722
> #18 0x000000000046819c in main (argc=<value optimized out>, argv=<value
> optimized out>) at main.c:2563
>
> Regards,
>
> Peter
>

-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Berlin, Nov 5-8, 2012 - http://asipto.com/u/kat
Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012 - http://asipto.com/u/katu