[OpenSIPS-Devel] [opensips] Opensips crash on CANCEL on unanswerd call. (2.1-rc2) (#484)

[petekelly]

Managed to get a core dump for this:

Core was generated by `/usr/local/opensips/sbin/opensips -P /var/run/opensips/opensips.pid -m 64 -M 64'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007f86d7b2a107 in __GI_raise (sig=sig at entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56      ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  0x00007f86d7b2a107 in __GI_raise (sig=sig at entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007f86d7b2b4e8 in __GI_abort () at abort.c:89
#2  0x00007f86cfd35fde in free_faked_req (faked_req=faked_req at entry=0x7f86cffa8bc0 <faked_req>, t=t at entry=0x7f86c608f120) at t_msgbuilder.h:216
#3  0x00007f86cfd3d094 in run_failure_handlers (t=0x7f86c608f120) at t_reply.c:586
#4  t_should_relay_response (reply=0x7f86d3bdf430, cancel_bitmap=<optimized out>, should_relay=<synthetic pointer>, should_store=<synthetic pointer>,
    branch=<optimized out>, new_code=487, Trans=0x7f86c608f120) at t_reply.c:911
#5  relay_reply (t=0x7f86c608f120, p_msg=0x7f86d3bdf430, branch=<optimized out>, msg_status=487, cancel_bitmap=<optimized out>) at t_reply.c:1125
#6  0x00007f86cfd4101a in reply_received (p_msg=0x7f86d3bdf430) at t_reply.c:1505
#7  0x000000000047d615 in forward_reply (msg=msg at entry=0x7f86d3bdf430) at forward.c:516
#8  0x000000000045e37d in receive_msg (
    buf=0x860540 <buf> "SIP/2.0 487 Request Terminated\r\nVia: SIP/2.0/UDP 192.168.4.213:5060;rport=5060;received=192.168.4.213;branch=z9hG4bKa26b.8f7eed45.0\r\nVia: SIP/2.0/UDP 192.168.4.214:5060;rport=5060;received=192.168.4.2"..., len=<optimized out>, rcv_info=rcv_info at entry=0x7ffc8c72a8e0) at receive.c:243
#9  0x00000000005a13f2 in udp_read_req (si=<optimized out>, bytes_read=<optimized out>) at net/proto_udp/proto_udp.c:190
#10 0x000000000058b9de in handle_io (fm=<optimized out>, fm=<optimized out>, fm=<optimized out>, idx=<optimized out>, event_type=2) at net/net_udp.c:259
#11 io_wait_loop_epoll (h=<optimized out>, t=<optimized out>, repeat=<optimized out>) at net/../io_wait_loop.h:190
#12 udp_rcv_loop (si=si at entry=0x7f86d3afd3f8) at net/net_udp.c:307
#13 0x000000000058d5bc in udp_start_processes (chd_rank=chd_rank at entry=0x84d22c <chd_rank>, startup_done=startup_done at entry=0x0) at net/net_udp.c:447
#14 0x000000000041aa23 in main_loop () at main.c:722
#15 main (argc=<optimized out>, argv=<optimized out>) at main.c:1253
(gdb)

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https://github.com/OpenSIPS/opensips/issues/484#issuecomment-117531930
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