Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x418
fault code		= supervisor read data  , page not present
instruction pointer	= 0x20:0xffffffff8107d718
stack pointer	        = 0x28:0xfffffe002dc18390
frame pointer	        = 0x28:0xfffffe002dc18440
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 12669 (syz-executor.3)
trap number		= 12
panic: page fault
cpuid = 0
time = 34359738384
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002dc17ff0
vpanic() at vpanic+0x1e0/frame 0xfffffe002dc18050
panic() at panic+0x43/frame 0xfffffe002dc180b0
trap_fatal() at trap_fatal+0x4c6/frame 0xfffffe002dc18130
trap_pfault() at trap_pfault+0x9f/frame 0xfffffe002dc181a0
trap() at trap+0x44d/frame 0xfffffe002dc182c0
calltrap() at calltrap+0x8/frame 0xfffffe002dc182c0
--- trap 0xc, rip = 0xffffffff8107d718, rsp = 0xfffffe002dc18390, rbp = 0xfffffe002dc18440 ---
_sx_xlock_hard() at _sx_xlock_hard+0x2f8/frame 0xfffffe002dc18440
_sx_xlock() at _sx_xlock+0x136/frame 0xfffffe002dc18490
sctp_sorecvmsg() at sctp_sorecvmsg+0x257/frame 0xfffffe002dc185e0
sctp_soreceive() at sctp_soreceive+0x1ef/frame 0xfffffe002dc187f0
soreceive() at soreceive+0xb9/frame 0xfffffe002dc18850
kern_recvit() at kern_recvit+0x2dc/frame 0xfffffe002dc18910
sys_recvmsg() at sys_recvmsg+0x97/frame 0xfffffe002dc18980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe002dc18ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe002dc18ab0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x412fda, rsp = 0x7fffdffbbf38, rbp = 0x3 ---
KDB: enter: panic
[ thread pid 12669 tid 102649 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why