[sr-dev] [kamailio/kamailio] Segfault when working as sipcapture node (#723)

We are running Kamailio 4.4.2 as a sipcapture node and every now and then it crashes. This is what the backtrace says: ``` (gdb) bt #0 get_str_fparam (dst=dst@entry=0x7ffe50aa0610, msg=msg@entry=0x7f105b8654b8, param=param@entry=0x1a) at sr_module.c:1650 #1 0x00007f1059213346 in w_report_capture (_m=0x7f105b8654b8, _table=0x7f105b8648b8 " \250q[\020\177", _corr=0x7f105b864938 "\230\237q[\020\177", _data=0x1a <Address 0x1a out of bounds>) at sipcapture.c:1040 #2 0x000000000042b618 in do_action (h=h@entry=0x7ffe50aa3ab0, a=a@entry=0x7f105b719640, msg=msg@entry=0x7f105b8654b8) at action.c:1060 #3 0x000000000042a10a in run_actions (h=h@entry=0x7ffe50aa3ab0, a=0x7f105b718530, msg=msg@entry=0x7f105b8654b8) at action.c:1549 #4 0x000000000042bcf2 in do_action (h=h@entry=0x7ffe50aa3ab0, a=a@entry=0x7f105b71a1e8, msg=msg@entry=0x7f105b8654b8) at action.c:1049 #5 0x000000000042a10a in run_actions (h=h@entry=0x7ffe50aa3ab0, a=0x7f105b71a1e8, msg=msg@entry=0x7f105b8654b8) at action.c:1549 #6 0x000000000042bcf2 in do_action (h=h@entry=0x7ffe50aa3ab0, a=a@entry=0x7f105b71a318, msg=msg@entry=0x7f105b8654b8) at action.c:1049 #7 0x000000000042a10a in run_actions (h=h@entry=0x7ffe50aa3ab0, a=0x7f105b71a318, msg=msg@entry=0x7f105b8654b8) at action.c:1549 #8 0x000000000042bcf2 in do_action (h=h@entry=0x7ffe50aa3ab0, a=a@entry=0x7f105b71a448, msg=msg@entry=0x7f105b8654b8) at action.c:1049 #9 0x000000000042a10a in run_actions (h=h@entry=0x7ffe50aa3ab0, a=0x7f105b71a448, msg=msg@entry=0x7f105b8654b8) at action.c:1549 #10 0x000000000042bcf2 in do_action (h=h@entry=0x7ffe50aa3ab0, a=a@entry=0x7f105b71a578, msg=msg@entry=0x7f105b8654b8) at action.c:1049 #11 0x000000000042a10a in run_actions (h=h@entry=0x7ffe50aa3ab0, a=0x7f105b71a578, msg=msg@entry=0x7f105b8654b8) at action.c:1549 #12 0x000000000042bcf2 in do_action (h=h@entry=0x7ffe50aa3ab0, a=a@entry=0x7f105b719888, msg=msg@entry=0x7f105b8654b8) at action.c:1049 #13 0x000000000042a10a in run_actions (h=h@entry=0x7ffe50aa3ab0, a=0x7f105b719888, msg=msg@entry=0x7f105b8654b8) at action.c:1549 #14 0x000000000042bcf2 in do_action (h=h@entry=0x7ffe50aa3ab0, a=a@entry=0x7f105b7199b8, msg=msg@entry=0x7f105b8654b8) at action.c:1049 #15 0x000000000042a10a in run_actions (h=h@entry=0x7ffe50aa3ab0, a=0x7f105b7199b8, msg=msg@entry=0x7f105b8654b8) at action.c:1549 #16 0x000000000042bcf2 in do_action (h=h@entry=0x7ffe50aa3ab0, a=a@entry=0x7f105b719ae8, msg=msg@entry=0x7f105b8654b8) at action.c:1049 #17 0x000000000042a10a in run_actions (h=h@entry=0x7ffe50aa3ab0, a=0x7f105b719ae8, msg=msg@entry=0x7f105b8654b8) at action.c:1549 #18 0x000000000042bcf2 in do_action (h=h@entry=0x7ffe50aa3ab0, a=a@entry=0x7f105b719c18, msg=msg@entry=0x7f105b8654b8) at action.c:1049 #19 0x000000000042a10a in run_actions (h=h@entry=0x7ffe50aa3ab0, a=a@entry=0x7f105b6abc80, msg=msg@entry=0x7f105b8654b8) at action.c:1549 #20 0x00000000004375d0 in run_top_route (a=0x7f105b6abc80, msg=msg@entry=0x7f105b8654b8, c=c@entry=0x0) at action.c:1635 #21 0x0000000000504386 in receive_msg ( buf=buf@entry=0xa366b7 "PUBLISH sip:collector@109.68.96.98:5099 SIP/2.0\r\nVia: SIP/2.0/UDP 192.168.178.32:5060;branch=z9hG4bK122ceb41cd4777873\r\nRoute: <sip:proxy.live.sipgate.de:5060;lr>\r\nMax-Forwards: 70\r\nFrom: \"2362760e6\" <"..., len=<optimized out>, len@entry=728, rcv_info=rcv_info@entry=0x7ffe50aa3e80) at receive.c:240 #22 0x00007f105920ce17 in parsing_hepv3_message (buf=<optimized out>, len=<optimized out>) at hep.c:498 #23 0x00007f105920e80d in hepv3_received (buf=<optimized out>, len=<optimized out>, ri=<optimized out>) at hep.c:230 #24 0x00000000005f6e17 in udp_rcv_loop () at udp_server.c:446 #25 0x00000000004b2625 in main_loop () at main.c:1600 #26 0x0000000000427e2b in main (argc=<optimized out>, argv=<optimized out>) at main.c:2616 (gdb) ``` Does anybody see anything already? We can provide more info if needed. (And since it's the sipcapture module: @adubovikov) --- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/723