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@10.128.1.67" "pwd"]: exit status 255 ssh: connect to host 10.128.1.67 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-0 port 1 (session ID: a50304b454f67bbe2fa8543a78e69c03e3650f23d4132882a7c3d6d62155ab49, 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 ced9917b-3dd0-048f-d942-086a49d23637 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=0x17a240 /-\|/-\|/-\|/text=0x1fee1c4 -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/text=0xf9a2a4 -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/data=0x7990 -data=0x888e28+0x56f1d8 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\syms=[0x8+0x3811f8|/-\|/-\|/-\|/-\|/-\|/-\|/-\+0x8+0x1bc18e|/-\|/-\|/-\|/] Loading configured modules... -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\/boot/kernel/cc_cubic.ko size 0x7630 at 0x473e000 |/-\|/-\|/-\|/-/boot/kernel/cc_chd.ko \size 0x9f58 at 0x4746000 loading required module 'ertt' |/-\|/-\|/-\|/-/boot/kernel/h_ertt.ko \size 0x7818 at 0x4750000 |/-\|/-\|/-\|/-\|/-\|/boot/kernel/cc_htcp.ko /size 0x8578 at 0x4758000 -\|/-\|/-\|/-\|/boot/kernel/mqueuefs.ko /size 0x28de0 at 0x4761000 -\|/-\|/-\|/-\|/-\|/boot/kernel/cryptodev.ko /size 0x17a80 at 0x478a000 -\|/-\|/-\|/-\|/boot/kernel/cc_hd.ko size 0x6718 at 0x47a2000 /-\|/-\|/-\|/-\|/-\/boot/kernel/tcp_bbr.ko |/-\|/-\|/size 0x118428 at 0x47a9000 -\|/-\|/-\|/-\|/-\|/-/boot/kernel/cc_vegas.ko \size 0x7088 at 0x48c2000 |/-\|/-\|/-\|/-/boot/kernel/cc_cdg.ko \size 0xde20 at 0x48ca000 |/-\|/-\|/-\|/-/boot/kernel/sem.ko \size 0x12030 at 0x48d8000 |/-\|/-\|/-\|/-\|/-\|/boot/kernel/pf.ko /-\|/-\|/-\|/-\size 0x1a8420 at 0x48eb000 |/-\|/-\|/-\|/-/boot/kernel/tcp_rack.ko \|/-\|/-\|size 0x11b920 at 0x4a94000 /-\|/-\|/-\|/-\/boot/kernel/cc_dctcp.ko |size 0x9130 at 0x4bb0000 /-\|/-\|/-\|/-\/boot/kernel/ipsec.ko |/-\|size 0x7b940 at 0x4bba000 /-\|/-\|/-\|/-\/boot/kernel/sctp.ko |/-\|/-\|/-\|/-\|/-\|/-\|size 0x2fb290 at 0x4c36000 /-\|/-\|/-/boot/entropy size=0x1000 \|/-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 n247859-5aa1e55b0ae: Sun Jul 11 13:54:49 UTC 2021 root@ci-freebsd:/syzkaller/managers/i386/kernel/obj/syzkaller/managers/i386/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 (2173.62-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 = 1790124032 (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-low" frequency 1086811134 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:80:01:43 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 panic: ASan: Invalid access, 1-byte read at 0xfffffe0056b69253, MallocRedZone(fb) cpuid = 0 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xffffffff84f4aef0 kdb_backtrace() at kdb_backtrace+0xd3/frame 0xffffffff84f4b050 vpanic() at vpanic+0x2c5/frame 0xffffffff84f4b130 panic() at panic+0xb5/frame 0xffffffff84f4b200 __asan_load1_noabort() at __asan_load1_noabort+0x11a/frame 0xffffffff84f4b2c0 ns8250_bus_probe() at ns8250_bus_probe+0xfc8/frame 0xffffffff84f4b340 uart_bus_probe() at uart_bus_probe+0x3d6/frame 0xffffffff84f4b3d0 uart_acpi_probe() at uart_acpi_probe+0x2f1/frame 0xffffffff84f4b4c0 device_probe_child() at device_probe_child+0x375/frame 0xffffffff84f4b560 device_probe() at device_probe+0x16c/frame 0xffffffff84f4b5b0 device_probe_and_attach() at device_probe_and_attach+0x3b/frame 0xffffffff84f4b5f0 bus_generic_attach() at bus_generic_attach+0x28/frame 0xffffffff84f4b610 acpi_attach() at acpi_attach+0x1ade/frame 0xffffffff84f4b810 device_attach() at device_attach+0x6ff/frame 0xffffffff84f4b910 device_probe_and_attach() at device_probe_and_attach+0xe3/frame 0xffffffff84f4b950 bus_generic_attach() at bus_generic_attach+0x28/frame 0xffffffff84f4b970 device_attach() at device_attach+0x6ff/frame 0xffffffff84f4ba80 device_probe_and_attach() at device_probe_and_attach+0xe3/frame 0xffffffff84f4bac0 bus_generic_new_pass() at bus_generic_new_pass+0x21e/frame 0xffffffff84f4bb10 bus_set_pass() at bus_set_pass+0x12b/frame 0xffffffff84f4bb50 configure() at configure+0x10/frame 0xffffffff84f4bb70 mi_startup() at mi_startup+0x457/frame 0xffffffff84f4bcb0 btext() at btext+0x22 KDB: enter: panic [ thread pid 0 tid 100000 ] Stopped at kdb_enter+0x6b: movq $0,0x28fa0fa(%rip) db>