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/i386/latest.tmp/key" "root@10.128.1.34" "pwd"]: exit status 255 ssh: connect to host 10.128.1.34 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-i386-test-1 port 1 (session ID: bd025060bb6b43c6d48c3814698d8cc78d750a12f61a0fa15d99804e225848ec, active connections: 1). SeaBIOS (version 1.8.2-20200302_071843-google) Total RAM Size = 0x0000000080000000 = 2048 MiB CPUs found: 2 Max CPUs supported: 2 Comparing RSDP and RSDP Comparing RSDT and RSDT Comparing FACP and FACP Comparing FACS and FACS return 0 for FACS vs FACS: SUCCESS Comparing DSDT and DSDT return 0 for DSDT vs DSDT: SUCCESS return 0 for FACP vs FACP: SUCCESS Comparing SRAT and SRAT return 0 for SRAT vs SRAT: SUCCESS Comparing APIC and APIC return 0 for APIC vs APIC: SUCCESS Comparing SSDT and SSDT return 0 for SSDT vs SSDT: SUCCESS Comparing WAET and WAET return 0 for WAET vs WAET: SUCCESS return 0 for RSDT vs RSDT: SUCCESS return 0 for RSDP vs RSDP: SUCCESS 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 0x000f21e0: PCHS=0/0/0 translation=lba LCHS=780/128/63 s=6291456 Sending Seabios boot VM event. Booting from Hard Disk 0... Loading /boot/loader.conf.local -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-Loading kernel... \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\/boot/kernel/kernel text=0x1cb6f10 |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-data=0x140 data=0x2338f8+0x5cb708 \|/-\|/-\|/-\|/-\|syms=[0x8+0x1ae4a0/-\|/-\|/-\|/-+0x8+0x19e418\|/-\|/-\|/-\] Loading configured modules... |/-\|/-\/boot/entropy size=0x1000 |/-\|GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb ---<>--- Copyright (c) 1992-2020 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 #217 6cf1e6d2d3f-c267370(HEAD): Sun Mar 15 11:12:31 UTC 2020 root@ci-freebsd:/syzkaller/managers/i386/kernel/obj/syzkaller/managers/i386/kernel/amd64.amd64/sys/SYZKALLER amd64 FreeBSD clang version 10.0.0 (git@github.com:llvm/llvm-project.git llvmorg-10.0.0-rc3-1-gc290cb61fdc) WARNING: WITNESS option enabled, expect reduced performance. WARNING: DIAGNOSTIC option enabled, expect reduced performance. VT(vga): text 80x25 CPU: Intel(R) Xeon(R) CPU @ 2.30GHz (2299.89-MHz K8-class CPU) Origin="GenuineIntel" Id=0x306f0 Family=0x6 Model=0x3f Stepping=0 Features=0x1f83fbff Features2=0xfefa3203 AMD Features=0x2c100800 AMD Features2=0x21 Structured Extended Features=0x27eb Structured Extended Features3=0xac000400 XSAVE Features=0x1 IA32_ARCH_CAPS=0xc TSC: P-state invariant Hypervisor: Origin = "KVMKVMKVM" real memory = 2147483648 (2048 MB) avail memory = 2030325760 (1936 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 random: entropy device external interface kernel trap 12 with interrupts disabled Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x0 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff810056d1 stack pointer = 0x28:0xfffffe001a178b70 frame pointer = 0x28:0xfffffe001a178ba0 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 = 13 (g_up) trap number = 12 panic: page fault cpuid = 1 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001a1787c0 vpanic() at vpanic+0x1c7/frame 0xfffffe001a178820 panic() at panic+0x43/frame 0xfffffe001a178880 trap_fatal() at trap_fatal+0x4ca/frame 0xfffffe001a178900 trap_pfault() at trap_pfault+0xdc/frame 0xfffffe001a178980 trap() at trap+0x3f8/frame 0xfffffe001a178aa0 calltrap() at calltrap+0x8/frame 0xfffffe001a178aa0 --- trap 0xc, rip = 0xffffffff810056d1, rsp = 0xfffffe001a178b70, rbp = 0xfffffe001a178ba0 --- _thread_lock() at _thread_lock+0x41/frame 0xfffffe001a178ba0 g_up_procbody() at g_up_procbody+0x23/frame 0xfffffe001a178bb0 fork_exit() at fork_exit+0xb3/frame 0xfffffe001a178bf0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe001a178bf0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 13 tid 100023 ] Stopped at kdb_enter+0x67: movq $0,0x146d276(%rip) db>