Kamailio 1.5.4 crashes with the following backtrace.
(gdb) bt
#0 free_to_params (tb=0x79ffc0) at parser/parse_to.c:79
#1 free_to (tb=0x79ffc0) at parser/parse_to.c:88
#2 0x000000000047fe82 in clean_hdr_field (hf=0x2b32776ec6a0) at
parser/hf.c:187
#3 0x00002b327492f525 in clean_msg_clone (type=<value optimized out>,
trans=<value optimized out>, req=0x2b32776eb510, rpl=0x79f220, code=<value
optimized out>) at sip_msg.h:54
#4 run_trans_callbacks (type=<value optimized out>, trans=<value optimized
out>, req=0x2b32776eb510, rpl=0x79f220, code=<value optimized out>) at
t_hooks.c:245
#5 0x00002b3274949a1d in relay_reply (t=0x2b32776ed130, p_msg=0x79f220,
branch=<value optimized out>, msg_status=200, cancel_bitmap=0x7fff5438ecf8) at
t_reply.c:1163
#6 0x00002b327494a123 in reply_received (p_msg=0x79f220) at t_reply.c:1511
#7 0x000000000041f08b in forward_reply (msg=0x79f220) at forward.c:576
#8 0x0000000000445453 in receive_msg (
buf=0x719200 "SIP/2.0 200 OK\r\nVia: SIP/2.0/UDP
xxx.xxx.xxx.114;branch=z9hG4bKb415.46c549d2.0\r\nVia: SIP/2.0/UDP
xx.xxx.xx.xxx:5060;received=xxx.xxx.xx.xxx;branch=z9hG4bK6cd2ebfb;rport=5060\r\nRecord-Route:
<sip:xxx.xxx.xxx.x"..., len=1106, rcv_info=0x7fff5438ede0) at receive.c:212
#9 0x00000000004795ee in udp_rcv_loop () at udp_server.c:449
#10 0x000000000042774e in main_loop (argc=3, argv=0x7fff5438eff8) at main.c:774
#11 main (argc=3, argv=0x7fff5438eff8) at main.c:1321
This is occuring on a centos box, 2.6.18-164.11.1.el5 #1 SMP Wed Jan 20
07:32:21 EST 2010 x86_64 x86_64 x86_64 GNU/Linux
The really strange thing is the source of the problem appears to be in
clean_hdr_field (hf=0x2b32776ec6a0) at parser/hf.c:187
void clean_hdr_field(struct hdr_field* hf)
{
if (hf->parsed){
switch(hf->type){
...
case HDR_RPID_T:
free_to(hf->parsed);
break;
...
output from gdb shows hf->parsed to be NULL, however the call to
free_to(hf->parsed) is being called, from there bad things happen.
Thanks in advance.
Gene
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