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@10.128.0.251" "pwd"]: exit status 255 ssh: connect to host 10.128.0.251 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: 1384db81e0bd5dc4070f0048300c5bccd0aa39b785d5c4c9dc049368e1ce3139, active connections: 1). SeaBIOS (version 1.8.2-20191219_075435-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=0x1cbf1f0 |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-data=0xe0 \data=0x233758+0x5cb8a8 |/-\|/-\|/-\|/-\|/syms=[0x8+0x1ac820-\|/-\|/-\|/-+0x8+0x19b8e7\|/-\|/-\|/-\] 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 #151 996c6aefcf2-c266485(HEAD): Mon Feb 10 11:06:26 UTC 2020 root@ci-freebsd:/syzkaller/managers/i386/kernel/obj/syzkaller/managers/i386/kernel/amd64.amd64/sys/SYZKALLER amd64 FreeBSD clang version 9.0.1 (git@github.com:llvm/llvm-project.git c1a0a213378a458fbea1a5c77b315c7dce08fd05) (based on LLVM 9.0.1) 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 (1920.94-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 = 2030460928 (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 WARNING: Device "kbd" is Giant locked and may be deleted before FreeBSD 13.0. kbd1 at kbdmux0 000.000045 [4341] netmap_init netmap: loaded module [ath_hal] loaded nexus0 vtvga0: cryptosoft0: acpi0: acpi0: Power Button (fixed) acpi0: Sleep Button (fixed) cpu0: on acpi0 atrtc0: port 0x70-0x71,0x72-0x77 irq 8 on acpi0 atrtc0: registered as a time-of-day clock, resolution 1.000000s Event timer "RTC" frequency 32768 Hz quality 0 Timecounter "ACPI-fast" frequency 3579545 Hz quality 900 acpi_timer0: <24-bit timer at 3.579545MHz> port 0xb008-0xb00b on acpi0 pcib0: port 0xcf8-0xcff on acpi0 pci0: on pcib0 isab0: at device 1.0 on pci0 isa0: on isab0 pci0: at device 1.3 (no driver attached) virtio_pci0: port 0xc000-0xc03f mem 0xfebfd000-0xfebfd07f irq 11 at device 3.0 on pci0 vtscsi0: on virtio_pci0 virtio_pci1: port 0xc040-0xc07f mem 0xfebfe000-0xfebfe07f irq 11 at device 4.0 on pci0 vtnet0: on virtio_pci1 vtnet0: Ethernet address: 42:01:0a:80:00:fb vtnet0: netmap queues/slots: TX 2/2048, RX 2/2048 000.000124 [ 503] vtnet_netmap_attach vtnet attached txq=2, txd=2048 rxq=2, rxd=2048 virtio_pci2: port 0xc080-0xc09f irq 10 at device 5.0 on pci0 vtballoon0: on virtio_pci2 virtio_pci3: port 0xc0a0-0xc0bf mem 0xfebff000-0xfebff03f irq 10 at device 6.0 on pci0 atkbdc0: port 0x60,0x64 irq 1 on acpi0 atkbd0: irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] psm0: irq 12 on atkbdc0 psm0: [GIANT-LOCKED] WARNING: Device "psm" is Giant locked and may be deleted before FreeBSD 13.0. psm0: model IntelliMouse Explorer, device ID 4 uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 uart0: console (9600,n,8,1) uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0 uart2: <16550 or compatible> port 0x3e8-0x3ef irq 6 on acpi0 uart3: <16550 or compatible> port 0x2e8-0x2ef irq 7 on acpi0 orm0: at iomem 0xeb800-0xeffff pnpid ORM0000 on isa0 vga0: at port 0x3b0-0x3bb iomem 0xb0000-0xb7fff pnpid PNP0900 on isa0 attimer0: at port 0x40 on isa0 Timecounter "i8254" frequency 1193182 Hz quality 0 attimer0: Can't map interrupt. NULL mp in getnewvnode(9), tag crossmp Timecounters tick every 10.000 msec Obsolete code will be removed soon: random(9) is the obsolete Park-Miller LCG from 1988 usb_needs_explore_all: no devclass Trying to mount root from ufs:/dev/gpt/rootfs [rw]... Root mount waiting for: CAM WARNING: WITNESS option enabled, expect reduced performance. WARNING: DIAGNOSTIC option enabled, expect reduced performance. da0 at vtscsi0 bus 0 scbus0 target 1 lun 0 da0: Fixed Direct Access SPC-4 SCSI device da0: 300.000MB/s transfers da0: Command Queueing enabled da0: 3072MB (6291456 512 byte sectors) GEOM: da0: the secondary GPT header is not in the last LBA. mountroot: waiting for device /dev/gpt/rootfs... Fatal trap 9: general protection fault while in kernel mode cpuid = 0; apic id = 00 instruction pointer = 0x20:0xffffffff81158589 stack pointer = 0x28:0xfffffe001a1010e0 frame pointer = 0x28:0xfffffe001a1010f0 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 = 1 (kernel) trap number = 9 panic: general protection fault cpuid = 0 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001a100d80 vpanic() at vpanic+0x1ce/frame 0xfffffe001a100df0 panic() at panic+0x43/frame 0xfffffe001a100e50 trap_fatal() at trap_fatal+0x4cc/frame 0xfffffe001a100ed0 trap() at trap+0xe4/frame 0xfffffe001a101010 calltrap() at calltrap+0x8/frame 0xfffffe001a101010 --- trap 0x9, rip = 0xffffffff81158589, rsp = 0xfffffe001a1010e0, rbp = 0xfffffe001a1010f0 --- biotrack_buf() at biotrack_buf+0x19/frame 0xfffffe001a1010f0 g_io_deliver() at g_io_deliver+0x39/frame 0xfffffe001a101150 g_io_request() at g_io_request+0x57a/frame 0xfffffe001a1011a0 g_part_start() at g_part_start+0x223/frame 0xfffffe001a101240 g_io_request() at g_io_request+0x57a/frame 0xfffffe001a101290 g_io_request() at g_io_request+0x57a/frame 0xfffffe001a1012e0 g_io_getattr() at g_io_getattr+0x83/frame 0xfffffe001a101320 ffs_mount() at ffs_mount+0x2412/frame 0xfffffe001a1014e0 vfs_domount() at vfs_domount+0xc26/frame 0xfffffe001a101720 vfs_donmount() at vfs_donmount+0xc87/frame 0xfffffe001a1017d0 kernel_mount() at kernel_mount+0x92/frame 0xfffffe001a101830 parse_mount() at parse_mount+0x8ee/frame 0xfffffe001a101990 vfs_mountroot() at vfs_mountroot+0x5f4/frame 0xfffffe001a101b00 start_init() at start_init+0x2c/frame 0xfffffe001a101ba0 fork_exit() at fork_exit+0xac/frame 0xfffffe001a101bf0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe001a101bf0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 1 tid 100002 ] Stopped at kdb_enter+0x67: movq $0,0x1466476(%rip) db>