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@10.128.0.245" "pwd"]: exit status 255 ssh: connect to host 10.128.0.245 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: fcf11d4c16b1230c49990e35a21f76fd1921381084b1217bd21e162240c7ffc5, active connections: 1). 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 b1430e57-f642-33cf-f595-e15947885f82 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 0x000f2430: 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=0x17c2e8 /-\|/-\|/-\|/text=0x200c1c4 -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-text=0xf995c4 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-data=0x79e0 \data=0x88ee28+0x5691d8 |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|syms=[0x8+0x384af8/-\|/-\|/-\|/-\|/-\|/-\|/-\|+0x8+0x1bdb7d/-\|/-\|/-\|/-] Loading configured modules... \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/boot/kernel/pf.ko /-\|/-\|/-\|/-\size 0x1a8420 at 0x4743000 |/-\|/-\|/-\|/-/boot/kernel/cc_cubic.ko size 0x7630 at 0x48ec000 \|/-\|/-\|/boot/entropy /size=0x1000 -\|/-\|/-\|/-\|/boot/kernel/cc_hd.ko size 0x6718 at 0x48f5000 loading required module 'ertt' /-\|/-\|/-\|/-\|/-\/boot/kernel/h_ertt.ko size 0x7818 at 0x48fc000 |/-\|/-\|/-\|/-/boot/kernel/tcp_bbr.ko \|/-\|/-\|size 0x118428 at 0x4904000 /-\|/-\|/-\|/-\/boot/kernel/cc_htcp.ko size 0x8578 at 0x4a1d000 |/-\|/-\|/-\|/-\|/-/boot/kernel/cc_vegas.ko size 0x7088 at 0x4a26000 \|/-\|/-\|/-\|//boot/kernel/sctp.ko -\|/-\|/-\|/-\|/-\|/-\|/size 0x2fb290 at 0x4a2e000 -\|/-\|/-\|/-\|/-\|/boot/kernel/tcp_rack.ko /-\|/-\|/-size 0x11b920 at 0x4d2a000 \|/-\|/-\|/-\|/-\|/-\/boot/kernel/ipsec.ko |/-\|size 0x7b940 at 0x4e46000 /-\|/-\|/-\|/-\|/-\/boot/kernel/cc_chd.ko size 0x9f58 at 0x4ec2000 |/-\|/-\|/-\|/-\|/-/boot/kernel/cc_cdg.ko size 0xde20 at 0x4ecc000 \|/-\|/-\|/-\|/-\|//boot/kernel/cryptodev.ko -size 0x17a80 at 0x4eda000 \|/-\|/-\|/-\|//boot/kernel/mqueuefs.ko -size 0x28de0 at 0x4ef2000 \|/-\|/-\|/-\|/-\|//boot/kernel/sem.ko -size 0x12030 at 0x4f1b000 \|/-\|/-\|/-\|//boot/kernel/cc_dctcp.ko -size 0x9130 at 0x4f2e000 \|/-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 14.0-CURRENT #0 n247945-cd2c05d323d: Mon Jul 12 13:50:59 UTC 2021 root@ci-freebsd:/syzkaller/managers/main/kernel/obj/syzkaller/managers/main/kernel/amd64.amd64/sys/SYZKALLER amd64 FreeBSD clang version 12.0.1 (git@github.com:llvm/llvm-project.git llvmorg-12.0.1-rc2-0-ge7dac564cd0e) 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 (1921.00-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 = 1790099456 (1707 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 1920997170 Hz quality 1000 TCP_ratelimit: Is now initialized TCP Hpts created 2 swi interrupt threads and bound 0 to cpus HPTS is in INVARIANT mode!! random: entropy device external interface kbd1 at kbdmux0 mlx5en: Mellanox Ethernet driver 3.6.0 (December 2020) vtvga0: smbios0: at iomem 0xf24a0-0xf24be smbios0: Version: 2.4, BCD Revision: 2.4 aesni0: 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 0xfe800000-0xfe80007f irq 11 at device 3.0 on pci0 vtscsi0: on virtio_pci0 virtio_pci1: port 0xc040-0xc07f mem 0xfe801000-0xfe80107f irq 11 at device 4.0 on pci0 vtnet0: on virtio_pci1 vtnet0: Ethernet address: 42:01:0a:80:00:f5 vtnet0: netmap queues/slots: TX 2/2048, RX 2/2048 000.000127 [ 453] vtnet_netmap_attach vtnet attached txq=2, txd=2048 rxq=2, rxd=2048 vgapci0: mem 0xfe000000-0xfe7fffff irq 10 at device 5.0 on pci0 vgapci0: Boot video device virtio_pci2: port 0xc080-0xc09f irq 10 at device 6.0 on pci0 vtballoon0: on virtio_pci2 virtio_pci3: port 0xc0a0-0xc0bf mem 0xfe802000-0xfe80203f irq 11 at device 7.0 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 14.0. 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 panic: ASan: Invalid access, 1-byte read at 0xfffffe0056b6a253, MallocRedZone(fb) cpuid = 0 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xffffffff84f4fef0 kdb_backtrace() at kdb_backtrace+0xd3/frame 0xffffffff84f50050 vpanic() at vpanic+0x2c5/frame 0xffffffff84f50130 panic() at panic+0xb5/frame 0xffffffff84f50200 __asan_load1_noabort() at __asan_load1_noabort+0x11a/frame 0xffffffff84f502c0 ns8250_bus_probe() at ns8250_bus_probe+0xfc8/frame 0xffffffff84f50340 uart_bus_probe() at uart_bus_probe+0x3d6/frame 0xffffffff84f503d0 uart_acpi_probe() at uart_acpi_probe+0x2f1/frame 0xffffffff84f504c0 device_probe_child() at device_probe_child+0x375/frame 0xffffffff84f50560 device_probe() at device_probe+0x16c/frame 0xffffffff84f505b0 device_probe_and_attach() at device_probe_and_attach+0x3b/frame 0xffffffff84f505f0 bus_generic_attach() at bus_generic_attach+0x28/frame 0xffffffff84f50610 acpi_attach() at acpi_attach+0x1ade/frame 0xffffffff84f50810 device_attach() at device_attach+0x6ff/frame 0xffffffff84f50910 device_probe_and_attach() at device_probe_and_attach+0xe3/frame 0xffffffff84f50950 bus_generic_attach() at bus_generic_attach+0x28/frame 0xffffffff84f50970 device_attach() at device_attach+0x6ff/frame 0xffffffff84f50a80 device_probe_and_attach() at device_probe_and_attach+0xe3/frame 0xffffffff84f50ac0 bus_generic_new_pass() at bus_generic_new_pass+0x21e/frame 0xffffffff84f50b10 bus_set_pass() at bus_set_pass+0x12b/frame 0xffffffff84f50b50 configure() at configure+0x10/frame 0xffffffff84f50b70 mi_startup() at mi_startup+0x457/frame 0xffffffff84f50cb0 btext() at btext+0x22 KDB: enter: panic [ thread pid 0 tid 100000 ] Stopped at kdb_enter+0x6b: movq $0,0x28e6bca(%rip) db>