failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/syzkaller/managers/main/latest.tmp/key" "root@10.128.1.51" "pwd"]: exit status 255 ssh: connect to host 10.128.1.51 port 22: Operation timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-freebsd-main-test-2 port 1 (session ID: 77381a19b1b9242729a4132bbe3b025aa9a5d4cded658904166d21284e45d230, active connections: 1). SeaBIOS (version 1.8.2-20190909_225952-google) Total RAM Size = 0x0000000080000000 = 2048 MiB 2019/9/25 2:37:23 Begin firmware boot time (Seabios) CPUs found: 2 Max CPUs supported: 2 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=6291456 = 3072 MiB drive 0x000f2570: PCHS=0/0/0 translation=lba LCHS=780/128/63 s=6291456 2019/9/25 2:37:23 End firmware boot time (Seabios) Sending Seabios boot VM event. Booting from Hard Disk 0... Loading /boot/loader.conf.local -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-Loading kernel... \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\/boot/kernel/kernel text=0x1e40ce4 |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\data=0x245af8+0x64e198 |/-\|/-\|/-\|/-\|/syms=[0x8+0x1b9e70-\|/-\|/-\|/-\|+0x8+0x1a74e3/-\|/-\|/-\|/] Loading configured modules... -\|/-\|/-\/boot/entropy size=0x1000 |/-\GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb ---<>--- Copyright (c) 1992-2019 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 13.0-CURRENT 53af0efd39b-c262878(HEAD) SYZKALLER amd64 FreeBSD clang version 8.0.1 (tags/RELEASE_801/final 366581) (based on LLVM 8.0.1) WARNING: WITNESS option enabled, expect reduced performance. WARNING: DIAGNOSTIC option enabled, expect reduced performance. Entering uma_startup with 6 boot pages configured startup_alloc from "UMA Kegs", 5 boot pages left startup_alloc from "UMA Zones", 4 boot pages left startup_alloc from "UMA Zones", 3 boot pages left startup_alloc from "UMA Hash", 2 boot pages left startup_alloc from "UMA Zones", 1 boot pages left Entering uma_startup1 with 0 boot pages left Entering uma_startup2 with 0 boot pages left VT(vga): text 80x25 CPU: Intel(R) Xeon(R) CPU @ 2.30GHz (2299.96-MHz K8-class CPU) Origin="GenuineIntel" Id=0x306f0 Family=0x6 Model=0x3f Stepping=0 Features=0x1f83fbff Features2=0xfefa3223 AMD Features=0x2c100800 AMD Features2=0x21 Structured Extended Features=0x27eb Structured Extended Features3=0xac000400 XSAVE Features=0x1 IA32_ARCH_CAPS=0xc VT-x: PAT,HLT,PAUSE,EPT,UG,VPID TSC: P-state invariant Hypervisor: Origin = "KVMKVMKVM" real memory = 2147483648 (2048 MB) avail memory = 2026348544 (1932 MB) Event timer "LAPIC" quality 600 ACPI APIC Table: FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs FreeBSD/SMP: 1 package(s) x 1 core(s) x 2 hardware threads random: registering fast source Intel Secure Key RNG random: fast provider: "Intel Secure Key RNG" random: unblocking device. ioapic0 irqs 0-23 Launching APs: 1 panic: sched_pickcpu: Failed to find a cpu. cpuid = 0 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xffffffff82e047a0 vpanic() at vpanic+0x1e0/frame 0xffffffff82e04800 panic() at panic+0x43/frame 0xffffffff82e04860 sched_pickcpu() at sched_pickcpu+0x8b9/frame 0xffffffff82e04950 sched_add() at sched_add+0xaa/frame 0xffffffff82e04990 gtaskqueue_start_threads() at gtaskqueue_start_threads+0x144/frame 0xffffffff82e04a30 taskqgroup_cpu_create() at taskqgroup_cpu_create+0x14e/frame 0xffffffff82e04a70 taskqgroup_adjust() at taskqgroup_adjust+0x256/frame 0xffffffff82e04b00 mi_startup() at mi_startup+0x3ec/frame 0xffffffff82e04b70 btext() at btext+0x2c KDB: enter: panic [ thread pid 0 tid 100000 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why db>