Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; apic id = 01
instruction pointer	= 0x20:0xffffffff811bfccd
stack pointer	        = 0x0:0xfffffe001a0c5260
frame pointer	        = 0x0:0xfffffe001a0c5290
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= resume, IOPL = 0
current process		= 12 (swi1: netisr 0)
trap number		= 9
panic: general protection fault
cpuid = 1
time = 1592878317
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001a0c4f30
vpanic() at vpanic+0x1c7/frame 0xfffffe001a0c4f90
panic() at panic+0x43/frame 0xfffffe001a0c4ff0
trap_fatal() at trap_fatal+0x4ca/frame 0xfffffe001a0c5070
trap() at trap+0xda/frame 0xfffffe001a0c5190
calltrap() at calltrap+0x8/frame 0xfffffe001a0c5190
--- trap 0x9, rip = 0xffffffff811bfccd, rsp = 0xfffffe001a0c5260, rbp = 0xfffffe001a0c5290 ---
strlen() at strlen+0x1d/frame 0xfffffe001a0c5290
kvprintf() at kvprintf+0xcab/frame 0xfffffe001a0c53f0
vsnprintf() at vsnprintf+0x43/frame 0xfffffe001a0c5430
vpanic() at vpanic+0x101/frame 0xfffffe001a0c5490
panic() at panic+0x43/frame 0xfffffe001a0c54f0
__mtx_lock_flags() at __mtx_lock_flags+0x202/frame 0xfffffe001a0c5550
sctp_endpoint_probe() at sctp_endpoint_probe+0xbd/frame 0xfffffe001a0c5600
sctp_findassociation_addr_sa() at sctp_findassociation_addr_sa+0x132/frame 0xfffffe001a0c5650
sctp_findassociation_addr() at sctp_findassociation_addr+0xe8/frame 0xfffffe001a0c5710
sctp_common_input_processing() at sctp_common_input_processing+0x160/frame 0xfffffe001a0c5860
sctp6_input_with_port() at sctp6_input_with_port+0x300/frame 0xfffffe001a0c5960
sctp6_input() at sctp6_input+0x1f/frame 0xfffffe001a0c5980
ip6_input() at ip6_input+0x1802/frame 0xfffffe001a0c5a90
swi_net() at swi_net+0x20d/frame 0xfffffe001a0c5b10
ithread_loop() at ithread_loop+0x328/frame 0xfffffe001a0c5bb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe001a0c5bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe001a0c5bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100022 ]
Stopped at      kdb_enter+0x67: movq    $0,0x14a5086(%rip)
db> 
db> set $lines = 0
db>