Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. 2019/06/08 16:48:30 parsed 1 programs 2019/06/08 16:48:30 executed programs: 0 interface if_tuntap.1 already present in the KLD 'kernel'! linker_load_file: /boot/kernel/if_tap.ko - unsupported file type interface if_tuntap.1 already present in the KLD 'kernel'! linker_load_file: /boot/kernel/if_tap.ko - unsupported file type interface if_tuntap.1 already present in the KLD 'kernel'! linker_load_file: /boot/kernel/if_tap.ko - unsupported file type interface if_tuntap.1 already present in the KLD 'kernel'! linker_load_file: /boot/kernel/if_tap.ko - unsupported file type interface if_tuntap.1 already present in the KLD 'kernel'! linker_load_file: /boot/kernel/if_tap.ko - unsupported file type interface if_tuntap.1 already present in the KLD 'kernel'! linker_load_file: /boot/kernel/if_tap.ko - unsupported file type interface if_tuntap.1 already present in the KLD 'kernel'! linker_load_file: /boot/kernel/if_tap.ko - unsupported file type interface if_tuntap.1 already present in the KLD 'kernel'! linker_load_file: /boot/kernel/if_tap.ko - unsupported file type interface if_tuntap.1 already present in the KLD 'kernel'! linker_load_file: /boot/kernel/if_tap.ko - unsupported file type 2019/06/08 16:48:35 executed programs: 19 2019/06/08 16:48:40 executed programs: 39 interface if_tuntap.1 already present in the KLD 'kernel'! linker_load_file: /boot/kernel/if_tap.ko - unsupported file type 2019/06/08 16:48:45 executed programs: 59 2019/06/08 16:48:50 executed programs: 79 2019/06/08 16:48:56 executed programs: 99 2019/06/08 16:49:01 executed programs: 119 2019/06/08 16:49:06 executed programs: 139 2019/06/08 16:49:11 executed programs: 159 2019/06/08 16:49:17 executed programs: 179 2019/06/08 16:49:22 executed programs: 199 2019/06/08 16:49:27 executed programs: 219 panic: Assertion mtx_unowned(m) failed at /syzkaller/managers/main/kernel/sys/kern/kern_mutex.c:1155 cpuid = 0 time = 1560012569 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0020f12740 vpanic() at vpanic+0x1e0/frame 0xfffffe0020f127a0 panic() at panic+0x43/frame 0xfffffe0020f12800 _mtx_destroy() at _mtx_destroy+0x12d/frame 0xfffffe0020f12840 solisten_proto() at solisten_proto+0xea/frame 0xfffffe0020f128a0 tcp6_usr_listen() at tcp6_usr_listen+0x1cc/frame 0xfffffe0020f12900 solisten() at solisten+0x7a/frame 0xfffffe0020f12940 kern_listen() at kern_listen+0x132/frame 0xfffffe0020f12980 amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe0020f12ab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0020f12ab0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x4131ba, rsp = 0x7fffdffbbf38, rbp = 0x2 --- KDB: enter: panic [ thread pid 1101 tid 100811 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why