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@10.128.0.109" "pwd"]: exit status 255 ssh: connect to host 10.128.0.109 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. SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000080000000 = 2048 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID de0d7e4e-91e1-3d92-881f-2fba97848154 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 0x000f2310: 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=0x1731a8 /-\|/-\|/-\|/text=0x1510de0 -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/text=0x6a965c -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\data=0x140 data=0x23bdc8+0x5c3238 |/-\|/-\|/-\|/-\|/syms=[0x8+0x1b4758-\|/-\|/-\|/-\+0x8+0x1a3ce4|/-\|/-\|/-\|] Loading configured modules... /-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-/boot/kernel/pf.ko \|/-\|/-size 0xca898 at 0x2b59000 \|/-\|/-\|/-\|/-\|/-\/boot/kernel/sctp.ko |/-\|/-\|/-\|/-size 0x1b4ac0 at 0x2c24000 \|/-\|/-\|/-\|//boot/kernel/ipsec.ko -\|size 0x41c58 at 0x2dd9000 /-\|/-\|/-\|/-\/boot/kernel/mqueuefs.ko |size 0x16ad0 at 0x2e1b000 /-\|/-\|/-\|/-\|/-\|//boot/kernel/tcp_bbr.ko -\|/-\size 0x813e8 at 0x2e32000 |/-\|/-\/boot/entropy size=0x1000 |/-\|/-\|/-\|/-\|/-\|/boot/kernel/sem.ko /size 0xb8f8 at 0x2eb5000 -\|/-\|/-\|/-\|/-\|/-/boot/kernel/tcp_rack.ko \|/-\size 0x765b8 at 0x2ec1000 |/-\|GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb ---<>--- Copyright (c) 1992-2021 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 #0 c255887-g9402bb44f137: Tue Jan 12 07:54:18 UTC 2021 root@ci-freebsd:/syzkaller/managers/i386/kernel/obj/syzkaller/managers/i386/kernel/amd64.amd64/sys/SYZKALLER amd64 FreeBSD clang version 11.0.1 (git@github.com:llvm/llvm-project.git llvmorg-11.0.1-rc2-0-g43ff75f2c3f) WARNING: WITNESS option enabled, expect reduced performance. WARNING: DIAGNOSTIC option enabled, expect reduced performance. VT(vga): text 80x25 CPU: Intel(R) Xserialport: Connected to syzkaller.us-central1-c.ci-freebsd-i386-test-2 port 1 (session ID: 5c475d3105cee509479018b4b87465c8fba8428480d39c3699a210b4fe3beea1, active connections: 1). eon(R) CPU @ 2.30GHz (2047.26-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=0x4c VT-x: PAT,HLT,PAUSE,EPT,UG,VPID TSC: P-state invariant Hypervisor: Origin = "KVMKVMKVM" real memory = 2147483648 (2048 MB) avail memory = 2026360832 (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 Timecounter "TSC" frequency 2047256479 Hz quality 1000 KTLS: Initialized 2 threads TCP_ratelimit: Is now initialized random: entropy device external interface WARNING: Device "kbd" is Giant locked and may be deleted before FreeBSD 13.0. kbd1 at kbdmux0 000.000039 [4346] netmap_init netmap: loaded module [ath_hal] loaded panic: IPI scoreboard is zero, initiator 0 target 0 cpuid = 0 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xffffffff82f49520 vpanic() at vpanic+0x1c7/frame 0xffffffff82f49580 panic() at panic+0x43/frame 0xffffffff82f495e0 smp_targeted_tlb_shootdown() at smp_targeted_tlb_shootdown+0x75f/frame 0xffffffff82f49680 pmap_invalidate_range() at pmap_invalidate_range+0x1ce/frame 0xffffffff82f49700 vm_thread_stack_create() at vm_thread_stack_create+0x56/frame 0xffffffff82f49850 kstack_import() at kstack_import+0x7e/frame 0xffffffff82f49890 cache_alloc() at cache_alloc+0x687/frame 0xffffffff82f49920 cache_alloc_retry() at cache_alloc_retry+0x33/frame 0xffffffff82f49970 vm_thread_new() at vm_thread_new+0x73/frame 0xffffffff82f499b0 thread_alloc() at thread_alloc+0x66/frame 0xffffffff82f499f0 fork1() at fork1+0x443/frame 0xffffffff82f49ac0 kproc_create() at kproc_create+0x9b/frame 0xffffffff82f49ba0 seq_modevent() at seq_modevent+0x9a3/frame 0xffffffff82f49c00 module_register_init() at module_register_init+0xd7/frame 0xffffffff82f49c40 mi_startup() at mi_startup+0x3ac/frame 0xffffffff82f49cb0 btext() at btext+0x2c KDB: enter: panic [ thread pid 0 tid 100000 ] Stopped at kdb_enter+0x67: movq $0,0x145901e(%rip) db>