(gdb) bt
#0  0xb7f41410 in ?? ()
#1  0xbfbfe57c in ?? ()
#2  0x00000006 in ?? ()
#3  0x00004162 in ?? ()
#4  0xb7e19811 in raise () from /lib/tls/i686/cmov/libc.so.6
#5  0xb7e1afb9 in abort () from /lib/tls/i686/cmov/libc.so.6
#6  0x080d7993 in qm_free (qm=0x817aa20, p=0x8155da0, 
    file=0xb7a6e1d8 "route_func.c", func=0xb7a6f0ff "tree_route_uri", line=334)
    at mem/q_malloc.c:443
#7  0xb7a63ab8 in tree_route_uri (msg=0x81eaf4c, _tree=0x81db99c "(�\035\b", 
    _domain=0x0) at route_func.c:334
#8  0x080522f3 in do_action (a=0x81dbf88, msg=0x81eaf4c) at action.c:816
#9  0x08054ada in run_action_list (a=0x81dbf88, msg=0x81eaf4c) at action.c:132
#10 0x080a23c5 in eval_expr (e=0x81dc004, msg=0x81eaf4c, val=0x0)
    at route.c:1069
#11 0x080a1ea0 in eval_expr (e=0x81dc054, msg=0x81eaf4c, val=0x0)
    at route.c:1376
#12 0x080a1e2f in eval_expr (e=0x81dc0a4, msg=0x81eaf4c, val=0x0)
    at route.c:1381
#13 0x08052321 in do_action (a=0x81dc95c, msg=0x81eaf4c) at action.c:672
#14 0x08054ada in run_action_list (a=0x81dbcfc, msg=0x81eaf4c) at action.c:132
#15 0x08054104 in do_action (a=0x81dc9d8, msg=0x81eaf4c) at action.c:689
#16 0x08054ada in run_action_list (a=0x81dc9d8, msg=0x81eaf4c) at action.c:132
#17 0x08054104 in do_action (a=0x81dcb04, msg=0x81eaf4c) at action.c:689
#18 0x08054ada in run_action_list (a=0x81db298, msg=0x81eaf4c) at action.c:132
#19 0x08053249 in do_action (a=0x81db0f0, msg=0x81eaf4c) at action.c:112
#20 0x08054ada in run_action_list (a=0x81da674, msg=0x81eaf4c) at action.c:132
#21 0x08054773 in do_action (a=0x81db16c, msg=0x81eaf4c) at action.c:695
#22 0x08054ada in run_action_list (a=0x81ccbb0, msg=0x81eaf4c) at action.c:132
#23 0x08053249 in do_action (a=0x81c3c00, msg=0x81eaf4c) at action.c:112
#24 0x08054ada in run_action_list (a=0x81c382c, msg=0x81eaf4c) at action.c:132
#25 0x08054104 in do_action (a=0x81c3c7c, msg=0x81eaf4c) at action.c:689
#26 0x08054ada in run_action_list (a=0x81bed38, msg=0x81eaf4c) at action.c:132
---Type <return> to continue, or q <return> to quit---
#27 0x08054e54 in run_top_route (a=0x81bed38, msg=0x81eaf4c) at action.c:112
#28 0x080928b7 in receive_msg (
    buf=0x816a040 "INVITE sip:52343334444@69.60.209.132:5060 SIP/2.0\r\nVia: SIP/2.0/UDP 172.16.0.198;rport;branch=z9hG4bKac1000c6000000234739c69c43f45a9e000001c0\r\nContent-Length: 366\r\nContact: <sip:anonymous@172.16.0.198"..., 
    len=860, rcv_info=0xbfc003c4) at receive.c:156
#29 0x080d0efa in udp_rcv_loop () at udp_server.c:440
#30 0x0806c1ea in main (argc=1, argv=Cannot access memory at address 0x4166
) at main.c:824
(gdb)