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@10.128.1.59" "pwd"]: exit status 255 ssh: connect to host 10.128.1.59 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: cddd15effe7b419cda67f9e375cdfecc5ba6c6bb3c5c579bb6297465c8025d54, 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 0x000f2480: 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=0x17ba60 /-\|/-\|/-\|/text=0x2009f74 -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/text=0xf968bc -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-data=0x79a0 data=0x88b6a8+0x56c958 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\syms=[0x8+0x383b68|/-\|/-\|/-\|/-\|/-\|/-\|/-\|+0x8+0x1bdbda/-\|/-\|/-\|/-] Loading configured modules... \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/boot/kernel/cryptodev.ko /size 0x17a80 at 0x4742000 -\|/-\|//boot/entropy size=0x1000 -\|/-\|/-\|/-\|/-\|/-/boot/kernel/cc_dctcp.ko \size 0x9130 at 0x475b000 |/-\|/-\|/-\|/-\|/-\|/boot/kernel/sctp.ko /-\|/-\|/-\|/-\|/-\|/-\|/size 0x2fb2d8 at 0x4765000 -\|/-\|/-\|/-\|/boot/kernel/pf.ko /-\|/-\|/-\|/-size 0x1b01b8 at 0x4a61000 \|/-\|/-\|/-\|//boot/kernel/cc_hd.ko -size 0x6718 at 0x4c12000 loading required module 'ertt' \|/-\|/-\|/-\|/-\|/-\/boot/kernel/h_ertt.ko |size 0x7818 at 0x4c19000 /-\|/-\|/-\|/-\/boot/kernel/ipsec.ko |/-\|size 0x7b940 at 0x4c21000 /-\|/-\|/-\|/-\/boot/kernel/cc_chd.ko |size 0x9f58 at 0x4c9d000 /-\|/-\|/-\|/-\/boot/kernel/cc_cdg.ko |size 0xde20 at 0x4ca7000 /-\|/-\|/-\|/-\/boot/kernel/mqueuefs.ko |/size 0x28de0 at 0x4cb5000 -\|/-\|/-\|/-\|/-\|/-/boot/kernel/sem.ko \size 0x12030 at 0x4cde000 |/-\|/-\|/-\|/-/boot/kernel/tcp_bbr.ko \|/-\|/-\|size 0x118410 at 0x4cf1000 /-\|/-\|/-\|/-\/boot/kernel/cc_vegas.ko size 0x7088 at 0x4e0a000 |/-\|/-\|/-\|/-\|/-/boot/kernel/cc_cubic.ko size 0x7630 at 0x4e12000 \|/-\|/-\|/-\|//boot/kernel/cc_htcp.ko -size 0x8578 at 0x4e1a000 \|/-\|/-\|/-\|/-\|/-\/boot/kernel/tcp_rack.ko |/-\|/-\|/size 0x11b908 at 0x4e23000 -\|/-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 n248490-4cc6fe1e5b7: Thu Aug 5 17:04:36 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-12.0.1-0-gfed41342a82f) 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 (2119.09-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 = 1790050304 (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 2119085347 Hz quality 1000 TCP_ratelimit: Is now initialipanic: sleeping without a lock cpuid = 1 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00077f3630 kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00077f3790 vpanic() at vpanic+0x2c5/frame 0xfffffe00077f3870 panic() at panic+0xb5/frame 0xfffffe00077f3930 _sleep() at _sleep+0x80c/frame 0xfffffe00077f3a80 ktls_alloc_thread() at ktls_alloc_thread+0x272/frame 0xfffffe00077f3bb0 fork_exit() at fork_exit+0xd0/frame 0xfffffe00077f3bf0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00077f3bf0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 2 tid 100031 ] Stopped at kdb_enter+0x6b: movq $0,0x28ebada(%rip) db>