Warning: Permanently added '10.128.0.168' (ECDSA) to the list of known hosts. 2019/03/18 06:58:57 parsed 1 programs 2019/03/18 06:58:57 executed programs: 0 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 = 0x20:0xffffffff8107ab48 stack pointer = 0x28:0xfffffe0021254390 frame pointer = 0x28:0xfffffe0021254440 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 = 787 (syz-executor.0) trap number = 12 panic: page fault cpuid = 0 time = 1552892337 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0021253ff0 vpanic() at vpanic+0x1e0/frame 0xfffffe0021254050 panic() at panic+0x43/frame 0xfffffe00212540b0 trap_fatal() at trap_fatal+0x4c6/frame 0xfffffe0021254130 trap_pfault() at trap_pfault+0x9f/frame 0xfffffe00212541a0 trap() at trap+0x44d/frame 0xfffffe00212542c0 calltrap() at calltrap+0x8/frame 0xfffffe00212542c0 --- trap 0xc, rip = 0xffffffff8107ab48, rsp = 0xfffffe0021254390, rbp = 0xfffffe0021254440 --- _sx_xlock_hard() at _sx_xlock_hard+0x2f8/frame 0xfffffe0021254440 _sx_xlock() at _sx_xlock+0x136/frame 0xfffffe0021254490 sctp_sorecvmsg() at sctp_sorecvmsg+0x257/frame 0xfffffe00212545e0 sctp_soreceive() at sctp_soreceive+0x1ef/frame 0xfffffe00212547f0 soreceive() at soreceive+0xb9/frame 0xfffffe0021254850 kern_recvit() at kern_recvit+0x2dc/frame 0xfffffe0021254910 sys_recvmsg() at sys_recvmsg+0x97/frame 0xfffffe0021254980 amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe0021254ab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0021254ab0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x412e5a, rsp = 0x7fffdfffdf38, rbp = 0x3 --- KDB: enter: panic [ thread pid 787 tid 100115 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why