Fatal trap 9: general protection fault while in kernel mode Fatal trap 9: general protection fault while in kernel mode cpuid = 0; cpuid = 1; apic id = 01 apic id = 00 instruction pointer = 0x20:0xffffffff81716bb1 instruction pointer = 0x20:0xffffffff81716bb1 stack pointer = 0x28:0xfffffe00293c4540 stack pointer = 0x28:0xfffffe00293b5540 frame pointer = 0x28:0xfffffe00293c4540 frame pointer = 0x28:0xfffffe00293b5540 code segment = base 0x0, limit 0xfffff, type 0x1b code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, processor eflags = resume, IOPL = 0 interrupt enabled, resume, current process = 6203 (syz-executor.2) IOPL = 0 trap number = 9 panic: general protection fault cpuid = 1 time = 421 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00293c4210 vpanic() at vpanic+0x1e0/frame 0xfffffe00293c4270 panic() at panic+0x43/frame 0xfffffe00293c42d0 trap_fatal() at trap_fatal+0x4c6/frame 0xfffffe00293c4350 trap() at trap+0xba/frame 0xfffffe00293c4470 calltrap() at calltrap+0x8/frame 0xfffffe00293c4470 --- trap 0x9, rip = 0xffffffff81716bb1, rsp = 0xfffffe00293c4540, rbp = 0xfffffe00293c4540 --- memcmp() at memcmp+0xa1/frame 0xfffffe00293c4540 authunix_create() at authunix_create+0x25b/frame 0xfffffe00293c4800 sys_nlm_syscall() at sys_nlm_syscall+0xed/frame 0xfffffe00293c4980 amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe00293c4ab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00293c4ab0 --- syscall (154, FreeBSD ELF64, sys_nlm_syscall), rip = 0x20000010, rsp = 0x7fffdfffdeb8, rbp = 0x81 --- KDB: enter: panic [ thread pid 6203 tid 101921 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why