We update backtrack again :

GNU gdb (CentOS Stream) 14.2-3.el9
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Reading symbols from /usr/local/sbin/kamailio...

warning: Can't open file /dev/zero (deleted) during file-backed mapping note processing
[New LWP 309540]

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--Type for more, q to quit, c to continue without paging--c
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/local/sbin/kamailio -DD -P /run/kamailio/kamailio.pid -f /usr/local/etc/ka'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007efc5d38902c in __delete_call (call=0x7efc5e2cd710, credit_data=0x7efc5e2cd4a0) at cnxcc_mod.c:879
879 clist_rm(call, next, prev);
(gdb) bt
#0 0x00007efc5d38902c in __delete_call (call=0x7efc5e2cd710, credit_data=0x7efc5e2cd4a0) at cnxcc_mod.c:879
#1 0x00007efc5d383f27 in __stop_billing (callid=0x7efc5e2cfe38) at cnxcc_mod.c:643
#2 0x00007efc5d381928 in __dialog_terminated_callback (cell=0x7efc5e2cfdc0, type=64, _params=0x7efc5d7a8800 ) at cnxcc_mod.c:479
#3 0x00007efc5d6f7490 in run_dlg_callbacks (type=64, dlg=0x7efc5e2cfdc0, req=0x7efc7eee50f0, rpl=0x0, dir=2, dlg_data=0x0) at dlg_cb.c:269
#4 0x00007efc5d725c84 in dlg_terminated (req=0x7efc7eee50f0, dlg=0x7efc5e2cfdc0, dir=2) at dlg_handlers.c:404
#5 0x00007efc5d735844 in dlg_onroute (req=0x7efc7eee50f0, route_params=0x7ffced179310, param=0x0) at dlg_handlers.c:1502
#6 0x00007efc5dae7e88 in run_rr_callbacks (req=0x7efc7eee50f0, rr_param=0x7ffced1793d0) at rr_cb.c:96
#7 0x00007efc5dad6e59 in after_loose (_m=0x7efc7eee50f0, preloaded=0) at loose.c:1021
#8 0x00007efc5dad75e5 in loose_route_mode (_m=0x7efc7eee50f0, _mode=0) at loose.c:1056
#9 0x00007efc5dae9cfb in w_loose_route (msg=0x7efc7eee50f0, p1=0x0, p2=0x0) at rr_mod.c:273
#10 0x0000000000443202 in do_action (h=0x7ffced179f80, a=0x7efc7eea8380, msg=0x7efc7eee50f0) at core/action.c:1121
#11 0x0000000000450a6d in run_actions (h=0x7ffced179f80, a=0x7efc7eea8380, msg=0x7efc7eee50f0) at core/action.c:1618
#12 0x000000000045110f in run_actions_safe (h=0x7ffced17b410, a=0x7efc7eea8380, msg=0x7efc7eee50f0) at core/action.c:1681
#13 0x00000000005f3e0c in rval_get_long (h=0x7ffced17b410, msg=0x7efc7eee50f0, i=0x7ffced17a800, rv=0x7efc7eea84e8, cache=0x0)
at core/rvalue.c:973
#14 0x00000000005f8c20 in rval_expr_eval_long (h=0x7ffced17b410, msg=0x7efc7eee50f0, res=0x7ffced17a800, rve=0x7efc7eea84e0)
at core/rvalue.c:1854
#15 0x0000000000442c83 in do_action (h=0x7ffced17b410, a=0x7efc7eeabec0, msg=0x7efc7eee50f0) at core/action.c:1097
#16 0x0000000000450a6d in run_actions (h=0x7ffced17b410, a=0x7efc7eea8130, msg=0x7efc7eee50f0) at core/action.c:1618
#17 0x000000000043f70a in do_action (h=0x7ffced17b410, a=0x7efc7ee74730, msg=0x7efc7eee50f0) at core/action.c:709
#18 0x0000000000450a6d in run_actions (h=0x7ffced17b410, a=0x7efc7ee6ee50, msg=0x7efc7eee50f0) at core/action.c:1618
#19 0x00000000004511d7 in run_top_route (a=0x7efc7ee6ee50, msg=0x7efc7eee50f0, c=0x0) at core/action.c:1701
#20 0x00000000005ab16e in receive_msg (
buf=0x9f47e0 "BYE sip:gw+internal_sip_gw03@172.16.172.242:65000;transport=udp;gw=internal_sip_gw03 SIP/2.0\r\nVia: SIP/2.0/UDP 172.16.172.230:5080;TH=dcv;rport;branch=z9hG4bKUygrHZ097B80N\r\nMax-Forwards: 69\r\nFrom: <si"..., len=823, rcv_info=0x7ffced17baa0)
at core/receive.c:518
#21 0x00000000006f9272 in udp_rcv_loop () at core/udp_server.c:751
#22 0x000000000042dcb6 in main_loop () at main.c:1815
#23 0x0000000000439e7d in main (argc=10, argv=0x7ffced17c338) at main.c:3256
(gdb) info locals
func = "__delete_call"
(gdb) list
874 LM_BUG("number of calls dropped to negative value: %d\n",
875 credit_data->number_of_calls);
876 }
877
878 // Remove (and free) the call from the list of calls of the current credit_data
879 clist_rm(call, next, prev);
880 __free_call(call);
881 }
882
883 // must be called with lock held on credit_data
(gdb) Quit
(gdb) p *call
$1 = {prev = 0x0, next = 0x0, lock = {lock = {val = 0}, locker_pid = {val = 0}, rec_lock_level = 0}, confirmed = 1 '\001',
max_amount = 10396.000093000001, money_based = {connect_cost = 1, cost_per_second = 15.217000000000001, initial_pulse = 6,
final_pulse = 1}, start_timestamp = 1730481102, consumed_amount = 91.302000000000007, connect_amount = 1, dlg_h_entry = 1117,
dlg_h_id = 7339, client_id = {s = 0x7efc5e2cd690 "53", len = 2}, sip_data = {callid = {s = 0x0, len = 0}, from_uri = {s = 0x0, len = 0},
from_tag = {s = 0x0, len = 0}, to_uri = {s = 0x0, len = 0}, to_tag = {s = 0x0, len = 0}}}
(gdb)

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