Fatal trap 9: general protection fault while in kernel mode cpuid = 0; apic id = 00 instruction pointer = 0x20:0xffffffff813441d5 stack pointer = 0x28:0xfffffe0020df27e0 frame pointer = 0x28:0xfffffe0020df2890 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 = 10429 (syz-executor.3) trap number = 9 panic: general protection fault cpuid = 0 time = 80 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0020df24b0 vpanic() at vpanic+0x1e0/frame 0xfffffe0020df2510 panic() at panic+0x43/frame 0xfffffe0020df2570 trap_fatal() at trap_fatal+0x4c6/frame 0xfffffe0020df25f0 trap() at trap+0xba/frame 0xfffffe0020df2710 calltrap() at calltrap+0x8/frame 0xfffffe0020df2710 --- trap 0x9, rip = 0xffffffff813441d5, rsp = 0xfffffe0020df27e0, rbp = 0xfffffe0020df2890 --- sctp_inpcb_bind() at sctp_inpcb_bind+0x3f5/frame 0xfffffe0020df2890 sctp_listen() at sctp_listen+0x475/frame 0xfffffe0020df2900 solisten() at solisten+0x7a/frame 0xfffffe0020df2940 kern_listen() at kern_listen+0x132/frame 0xfffffe0020df2980 amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe0020df2ab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0020df2ab0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x412e5a, rsp = 0x7fffdfffdf38, rbp = 0x2 --- KDB: enter: panic [ thread pid 10429 tid 100875 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why