Fatal trap 9: general protection fault while in kernel mode cpuid = 0; apic id = 00 instruction pointer = 0x20:0xffffffff811a730d stack pointer = 0x28:0xfffffe0020f3f450 frame pointer = 0x28:0xfffffe0020f3f480 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 = 54675 (syz-executor.1) trap number = 9 panic: general protection fault cpuid = 0 time = 45819 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0020f3f120 vpanic() at vpanic+0x1e0/frame 0xfffffe0020f3f180 panic() at panic+0x43/frame 0xfffffe0020f3f1e0 trap_fatal() at trap_fatal+0x4de/frame 0xfffffe0020f3f260 trap() at trap+0xba/frame 0xfffffe0020f3f380 calltrap() at calltrap+0x8/frame 0xfffffe0020f3f380 --- trap 0x9, rip = 0xffffffff811a730d, rsp = 0xfffffe0020f3f450, rbp = 0xfffffe0020f3f480 --- strlen() at strlen+0x1d/frame 0xfffffe0020f3f480 kvprintf() at kvprintf+0xd01/frame 0xfffffe0020f3f5d0 vsnprintf() at vsnprintf+0x43/frame 0xfffffe0020f3f610 vpanic() at vpanic+0x113/frame 0xfffffe0020f3f670 panic() at panic+0x43/frame 0xfffffe0020f3f6d0 __mtx_lock_flags() at __mtx_lock_flags+0x1fd/frame 0xfffffe0020f3f730 sctp_endpoint_probe() at sctp_endpoint_probe+0xc2/frame 0xfffffe0020f3f7f0 sctp_inpcb_bind() at sctp_inpcb_bind+0x9d3/frame 0xfffffe0020f3f8b0 sobind() at sobind+0x7d/frame 0xfffffe0020f3f8f0 kern_bindat() at kern_bindat+0x1c4/frame 0xfffffe0020f3f940 sys_bind() at sys_bind+0xd9/frame 0xfffffe0020f3f980 amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe0020f3fab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0020f3fab0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x4131ba, rsp = 0x7fffdfffdf38, rbp = 0x3 --- KDB: enter: panic [ thread pid 54675 tid 100593 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why