[SR-Users] Kamailio crashes with double qm_free

Hello, I have another kamailio crash with 4.1.1. The scenario is simple: + call a number, fail + retry on another peer, fails In this case, I use t_reply("404", "Not found") then exit. It seems that we have a double qm_free. Log file Feb 28 13:15:56 kamailio23 /usr/local/sbin/kamailio[29595]: WARNING: tm [t_lookup.c:1536]: t_unref(): WARNING: script writer didn't release transaction Feb 28 13:15:56 kamailio23 /usr/local/sbin/kamailio[29583]: : <core> [mem/q_malloc.c:468]: qm_free(): BUG: qm_free: freeing already freed pointer (0x7f9dedb3e110), called from tm: h_table.c: free_cell(157), first free tm: h_table.c: free_cell(157) - aborting Feb 28 13:15:56 kamailio23 /usr/local/sbin/kamailio[29627]: : <core> [pass_fd.c:293]: receive_fd(): ERROR: receive_fd: EOF on 19 Feb 28 13:15:56 kamailio23 /usr/local/sbin/kamailio[29576]: ALERT: <core> [main.c:775]: handle_sigs(): child process 29583 exited by a signal 6 Feb 28 13:15:56 kamailio23 /usr/local/sbin/kamailio[29576]: ALERT: <core> [main.c:778]: handle_sigs(): core was generated core.kamailio.29583 (gdb) bt full #0 0x00007f9df6afb475 in raise () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f9df6afe6f0 in abort () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000000000548253 in qm_free (qm=0x7f9ded878000, p=0x7f9dedb3e110, file=0x7f9df515b62d "tm: h_table.c", func=0x7f9df515b7d8 "free_cell", line=157) at mem/q_malloc.c:470 f = 0x7f9dedb3e0e0 size = 140316274568736 next = 0x0 prev = 0x0 __FUNCTION__ = "qm_free" #3 0x00007f9df50ee2b3 in free_cell (dead_cell=0x7f9dedb39490) at h_table.c:157 b = 0x0 i = 2 rpl = 0x0 tt = 0x177dd596e30 foo = 0x7fffdd597400 cbs = 0x7f9dedb39490 cbs_tmp = 0x7fffdd596f10 __FUNCTION__ = "free_cell" #4 0x00007f9df511c662 in t_unref (p_msg=0x7f9df68bfdb0) at t_lookup.c:1546 kr = 12 __FUNCTION__ = "t_unref" #5 0x00007f9df5146f4d in w_t_unref (foo=0x7f9df68bfdb0, flags=2147483649, bar=0x0) at tm.c:765 No locals. #6 0x00000000004d6f27 in exec_post_script_cb (msg=0x7f9df68bfdb0, type=REQUEST_CB_TYPE) at script_cb.c:195 cb = 0x7f9df68a97d0 flags = 2147483649 #7 0x00000000004a6e24 in receive_msg (buf=0x921620 "ACK sip:0123456789@10.100.8.7 SIP/2.0\r\nVia: SIP/2.0/UDP 10.100.8.94;branch=z9hG4bKbcd8.9b0d4b2682a07fefaa22406761659624.0\r\nMax-Forwards: 15\r\nFrom: \"via_test\" <sip:0310193301@10.100.8.12>;tag=as4d03043"..., len=375, rcv_info=0x7fffdd5970d0) at receive.c:228 msg = 0x7f9df68bfdb0 ctx = {rec_lev = -581341280, run_flags = 32767, last_retcode = 5, jmp_env = {{__jmpbuf = {8857080, 0, 0, 0, 0, 140316433164786, 17179869189, 0}, __mask_was_saved = 8856992, __saved_mask = {__val = {1, 140316271892032, 1656210553, 3713626240, 1024, 8008593472, 140316271892032, 140736907014208, 5472467, 1577608202, 140316271892032, 50195, 140316271892032, 140316426284544, 8282899704, 140736907014272}}}}} ret = 0 inb = {s = 0x921620 "ACK sip:0123456789@10.100.8.7 SIP/2.0\r\nVia: SIP/2.0/UDP 10.100.8.94;branch=z9hG4bKbcd8.9b0d4b2682a07fefaa22406761659624.0\r\nMax-Forwards: 15\r\nFrom: \"via_test\" <sip:0310193301@10.100.8.12>;tag=as4d03043"..., len = 375} __FUNCTION__ = "receive_msg" #8 0x000000000053c0d8 in udp_rcv_loop () at udp_server.c:536 len = 375 buf = "ACK sip:0123456789@10.100.8.7 SIP/2.0\r\nVia: SIP/2.0/UDP 10.100.8.94;branch=z9hG4bKbcd8.9b0d4b2682a07fefaa22406761659624.0\r\nMax-Forwards: 15\r\nFrom: \"via_test\" <sip:0310193301@10.100.8.12>;tag=as4d03043"... tmp = 0x13e0751a0eb8aa4f <Address 0x13e0751a0eb8aa4f out of bounds> from = 0x7f9df68a5408 fromlen = 16 ri = {src_ip = {af = 2, len = 4, u = {addrl = {1577608202, 4290224}, addr32 = {1577608202, 0, 4290224, 0}, addr16 = {25610, 24072, 0, 0, 30384, 65, 0, 0}, addr = "\nd\b^\000\000\000\000\260vA\000\000\000\000"}}, dst_ip = {af = 2, len = 4, u = {addrl = { 117990410, 0}, addr32 = {117990410, 0, 0, 0}, addr16 = {25610, 1800, 0, 0, 0, 0, 0, 0}, addr = "\nd\b\a", '\000' <repeats 11 times>}}, src_port = 5060, dst_port = 5060, proto_reserved1 = 0, proto_reserved2 = 0, src_su = {s = {sa_family = 2, sa_data = "\023\304\nd\b^\000\000\000\000\000\000\000"}, sin = {sin_family = 2, sin_port = 50195, sin_addr = {s_addr = 1577608202}, sin_zero = "\000\000\000\000\000\000\000"}, sin6 = {sin6_family = 2, sin6_port = 50195, sin6_flowinfo = 1577608202, sin6_addr = {__in6_u = {__u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, sin6_scope_id = 0}}, bind_address = 0x7f9df6704da8, proto = 1 '\001'} __FUNCTION__ = "udp_rcv_loop" #9 0x000000000046ec98 in main_loop () at main.c:1617 i = 5 pid = 0 si = 0x7f9df6704da8 si_desc = "udp receiver child=5 sock=10.100.8.7:5060\000\000\000\001", '\000' <repeats 19 times>, "\020\000\000\000\000\000\000\000y\304\267b\000\000\000\000\260vA\000\000\000\000\000\000tY\335\377\177", '\000' <repeats 18 times>, "@rY\335\377\177\000\000\002\266K\000\000\000\000" nrprocs = 8 __FUNCTION__ = "main_loop" #10 0x0000000000471c38 in main (argc=5, argv=0x7fffdd597408) at main.c:2533 cfg_stream = 0x164c010 c = -1 r = 0 tmp = 0x7fffdd597438 "\211~Y\335\377\177" tmp_len = 0 port = 5 proto = 0 options = 0x5de800 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:" ret = -1 seed = 4192398120 rfd = 4 debug_save = 0 debug_flag = 0 dont_fork_cnt = 0 n_lst = 0xbf p = 0x416bd9 "H\203\304\b\303" <Address 0x416bde out of bounds> __FUNCTION__ = "main" core.kamailio.29576 (gdb) bt full #0 0x00007f9df6afb475 in raise () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f9df6afe6f0 in abort () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x0000000000548253 in qm_free (qm=0x7f9ded878000, p=0x7f9dedb3e110, file=0x7f9df515b62d "tm: h_table.c", func=0x7f9df515b7d8 "free_cell", line=157) at mem/q_malloc.c:470 f = 0x7f9dedb3e0e0 size = 140316274568736 next = 0x0 prev = 0x0 __FUNCTION__ = "qm_free" #3 0x00007f9df50ee2b3 in free_cell (dead_cell=0x7f9dedb39490) at h_table.c:157 b = 0x7f9df464b480 "dialog: dlg_cb.c" i = 0 rpl = 0x7f9df464b8e0 tt = 0x7f9df4a8cc75 foo = 0x5000548a29 cbs = 0xd000000001 cbs_tmp = 0x1edb086c8 __FUNCTION__ = "free_cell" #4 0x00007f9df50ef480 in free_hash_table () at h_table.c:441 p_cell = 0x7f9dedb39490 tmp_cell = 0x7f9deda23d90 i = 36299 __FUNCTION__ = "free_hash_table" #5 0x00007f9df5102d35 in tm_shutdown () at t_funcs.c:122 __FUNCTION__ = "tm_shutdown" #6 0x00000000004f8101 in destroy_modules () at sr_module.c:817 t = 0x7f9df670fd50 foo = 0x7f9df670f588 __FUNCTION__ = "destroy_modules" #7 0x00000000004689b2 in cleanup (show_status=1) at main.c:560 memlog = 32669 __FUNCTION__ = "cleanup" #8 0x0000000000469aab in shutdown_children (sig=15, show_status=1) at main.c:702 __FUNCTION__ = "shutdown_children" #9 0x000000000046b146 in handle_sigs () at main.c:793 chld = 0 chld_status = 134 memlog = 0 __FUNCTION__ = "handle_sigs" #10 0x000000000046f549 in main_loop () at main.c:1746 i = 8 pid = 29627 si = 0x0 si_desc = "udp receiver child=7 sock=91.213.79.31:5060\000\001", '\000' <repeats 19 times>, "\020\000\000\000\000\000\000\000y\304\267b\000\000\000\000\260vA\000\000\000\000\000\000tY\335\377\177", '\000' <repeats 18 times>, "@rY\335\377\177\000\000\002\266K\000\000\000\000" nrprocs = 8 __FUNCTION__ = "main_loop" #11 0x0000000000471c38 in main (argc=5, argv=0x7fffdd597408) at main.c:2533 cfg_stream = 0x164c010 c = -1 r = 0 tmp = 0x7fffdd597438 "\211~Y\335\377\177" tmp_len = 0 port = 5 proto = 0 options = 0x5de800 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:" ret = -1 seed = 4192398120 rfd = 4 debug_save = 0 debug_flag = 0 dont_fork_cnt = 0 n_lst = 0xbf p = 0x416bd9 "H\203\304\b\303" <Address 0x416bde out of bounds> __FUNCTION__ = "main" Thanks for your help