[sr-dev] Kamailio 4.4.2 Crashed on receiving REGISTER

[Owais]

Hi guys,I observed a crash in Kamailio IMS P-CSCF when there is an incoming
REGISTER.This is Kamailio 4.4.2 installed on Debian 8.3 Jessie on X86_64.
Below is the backtrace:Program terminated with signal SIGSEGV, Segmentation
fault.#0  0x00007fc9bfa9b143 in unlink_unsafe_dlg (d_entry=0x7fc9b6cd7a10,
dlg=0x7fc9c1371c90) at dlg_hash.h:208208             dlg->next->prev =
dlg->prev;(gdb) bt#0  0x00007fc9bfa9b143 in unlink_unsafe_dlg
(d_entry=0x7fc9b6cd7a10, dlg=0x7fc9c1371c90) at dlg_hash.h:208#1 
0x00007fc9bfaabc1c in unref_dlg (dlg=0x7fc9c1371c90, cnt=1) at
dlg_hash.c:1056#2  0x00007fc9bfab3f00 in dlg_release (dlg=0x7fc9c1371c90) at
dlg_hash.c:1816#3  0x00007fc9baa81aa0 in NAT_Keepalive (msg=0x7fc9c1371c90)
at nat_traversal.c:1406#4  0x0000000000573fc1 in do_action
(h=0x7ffe69938980, a=0x7fc9c13008e0, msg=0x7fc9c1371c90) at action.c:1054#5 
0x00000000005806a6 in run_actions (h=0x7ffe69938980, a=0x7fc9c13003c8,
msg=0x7fc9c1371c90) at action.c:1549#6  0x0000000000573f30 in do_action
(h=0x7ffe69938980, a=0x7fc9c1300a10, msg=0x7fc9c1371c90) at action.c:1045#7 
0x00000000005806a6 in run_actions (h=0x7ffe69938980, a=0x7fc9c12ff6d0,
msg=0x7fc9c1371c90) at action.c:1549#8  0x0000000000573f30 in do_action
(h=0x7ffe69938980, a=0x7fc9c1300b40, msg=0x7fc9c1371c90) at action.c:1045#9 
0x00000000005806a6 in run_actions (h=0x7ffe69938980, a=0x7fc9c12fdca8,
msg=0x7fc9c1371c90) at action.c:1549#10 0x0000000000570ae3 in do_action
(h=0x7ffe69938980, a=0x7fc9c12d6958, msg=0x7fc9c1371c90) at action.c:678#11
0x00000000005806a6 in run_actions (h=0x7ffe69938980, a=0x7fc9c12d64a0,
msg=0x7fc9c1371c90) at action.c:1549#12 0x0000000000580df3 in run_top_route
(a=0x7fc9c12d64a0, msg=0x7fc9c1371c90, c=0x0) at action.c:1635#13
0x0000000000588fe9 in receive_msg (    buf=0xa0efc0  "REGISTER
sip:domain.com:5432 SIP/2.0\r\nTo: bob<sip:bob at domain.com>\r\nFrom:
bob<sip:bob at domain.com>;tag=0e0eaf0d\r\nVia: SIP/2.0/UDP
1.2.3.4:9764;branch=z9hG4bK-d87543-56117650-1--d87543-;rpor"..., len=469,
rcv_info=0x7ffe69938c60) at receive.c:240#14 0x00000000004718f8 in
udp_rcv_loop () at udp_server.c:495#15 0x00000000004f4f76 in main_loop () at
main.c:1600#16 0x00000000004fc4ac in main (argc=3, argv=0x7ffe69939148) at
main.c:2616Let me know if any more details are required.Regards,Owais



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