Hello,
Upon receipt an 502 Bad gateway, I have the following error then Kamailio crashed
Feb 11 11:49:57 kamailio23 /usr/local/sbin/kamailio[28895]: WARNING: tm [t_lookup.c:1564]: t_unref(): WARNING: script writer didn't release transaction
Feb 11 11:50:03 kamailio23 /usr/local/sbin/kamailio[28926]: : <core> [pass_fd.c:293]: receive_fd(): ERROR: receive_fd: EOF on 31
Feb 11 11:50:03 kamailio23 /usr/local/sbin/kamailio[28876]: ALERT: <core> [main.c:788]: handle_sigs(): child process 28903 exited by a signal 11
Feb 11 11:50:03 kamailio23 /usr/local/sbin/kamailio[28876]: ALERT: <core> [main.c:791]: handle_sigs(): core was generated
(gdb) bt
#0 0x000000000053a81d in qm_free (qm=0x7fd6f962a000, p=0x75d63ff100000000) at mem/q_malloc.c:476
#1 0x00007fd700c5581c in free_cell (dead_cell=0x7fd6f9777bf0) at h_table.c:162
#2 0x00007fd700c56783 in free_hash_table () at h_table.c:443
#3 0x00007fd700c6981b in tm_shutdown () at t_funcs.c:122
#4 0x00000000004ee6f0 in destroy_modules () at sr_module.c:790
#5 0x0000000000463baa in cleanup (show_status=1) at main.c:573
#6 0x0000000000464c32 in shutdown_children (sig=15, show_status=1) at main.c:715
#7 0x0000000000466223 in handle_sigs () at main.c:806
#8 0x000000000046a459 in main_loop () at main.c:1767
#9 0x000000000046ca85 in main (argc=5, argv=0x7fff2f13ec38) at main.c:2566
(gdb) bt full
#0 0x000000000053a81d in qm_free (qm=0x7fd6f962a000, p=0x75d63ff100000000) at mem/q_malloc.c:476
f = 0x75d63ff0fffffff0
size = 4880
next = 0x7fd6f98c5380
prev = 0x7fd6f9634840
__FUNCTION__ = "qm_free"
#1 0x00007fd700c5581c in free_cell (dead_cell=0x7fd6f9777bf0) at h_table.c:162
b = 0x0
i = 1
rpl = 0x0
tt = 0x0
foo = 0x59e92da4
cbs = 0x0
cbs_tmp = 0x7fd6f98c5370
__FUNCTION__ = "free_cell"
#2 0x00007fd700c56783 in free_hash_table () at h_table.c:443
p_cell = 0x7fd6f9777bf0
tmp_cell = 0x7fd6f98fb9c0
i = 3084
#3 0x00007fd700c6981b in tm_shutdown () at t_funcs.c:122
__FUNCTION__ = "tm_shutdown"
#4 0x00000000004ee6f0 in destroy_modules () at sr_module.c:790
t = 0x7fd7022322f0
foo = 0x7fd702231cc0
#5 0x0000000000463baa in cleanup (show_status=1) at main.c:573
memlog = 32727
__FUNCTION__ = "cleanup"
#6 0x0000000000464c32 in shutdown_children (sig=15, show_status=1) at main.c:715
__FUNCTION__ = "shutdown_children"
#7 0x0000000000466223 in handle_sigs () at main.c:806
chld = 0
chld_status = 139
memlog = 0
__FUNCTION__ = "handle_sigs"
#8 0x000000000046a459 in main_loop () at main.c:1767
i = 8
pid = 28926
si = 0x0
si_desc = "udp receiver child=7 sock=
91.213.79.31:5060\000\326\177", '\000' <repeats 18 times>, "@\352\023/\377\177\000\000\244-\351Y\000\000\000\000\240mA\000\000\000\000\000\060\354\023/\377\177", '\000' <repeats 18 times>, "p\352\023/\377\177\000\000\030>K\000\000\000\000"
nrprocs = 8
__FUNCTION__ = "main_loop"
#9 0x000000000046ca85 in main (argc=5, argv=0x7fff2f13ec38) at main.c:2566
cfg_stream = 0xc36010
c = -1
r = 0
tmp = 0x7fff2f13ec68 "\233\356\023/\377\177"
tmp_len = 0
port = 5
proto = 0
options = 0x5c7c18 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:"
ret = -1
seed = 3628627122
rfd = 4
debug_save = 0
debug_flag = 0
dont_fork_cnt = 0
n_lst = 0xbf
p = 0x4162c9 "H\203\304\b\303" <Address 0x4162ce out of bounds>
__FUNCTION__ = "main"
(gdb)