failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/syzkaller/managers/main/latest.tmp/key" "root@10.128.1.81" "pwd"]: exit status 255
ssh: connect to host 10.128.1.81 port 22: Operation timed out
Pseudo-terminal will not be allocated because stdin is not a terminal.
Warning: Permanently added '[us-central1-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 a87ea482-4749-6f77-5043-1f80029adf7f
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 0x000f27c0: 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=0x1828d0 -\|/-\|/-\|/-text=0x1ef90d7 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-text=0x921704 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\data=0x7270+0xd90 data=0x8c0fc0+0x53f040 |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-syms=[0x8+0x3af938\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|+0x8+0x1e35cd/-\|/-\|/-\|/-\]
Loading configured modules...
|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|//boot/kernel/ipsec.ko -\|/-\size 0xa11f0 at 0x4193000
|/-\|/-\|/-\|/-/boot/kernel/mqueuefs.ko \|size 0x26ca8 at 0x4235000
/-\|/-\|/-\|/-\|/-\|//boot/kernel/cc_cubic.ko -size 0x98d8 at 0x425c000
\|/-\|/-\|/-\|/-\|/-\/boot/kernel/filemon.ko |size 0xd920 at 0x4266000
/-\|/-\|/-\|/-\|/-\|//boot/kernel/cc_vegas.ko -size 0x62d8 at 0x4274000
\|/-\|/-\|/-\|//boot/kernel/cc_htcp.ko size 0x7a80 at 0x427b000
-\|/-\|/-\|/-\|/-\|/boot/kernel/cc_hd.ko size 0x6010 at 0x4283000
/-\|/-\|/-\|/-\/boot/kernel/cc_dctcp.ko |size 0x8988 at 0x428a000
/-\|/-\|/-\|/-\/boot/kernel/sem.ko |size 0x10c08 at 0x4293000
/-\|/-\|/-\|/-\/boot/kernel/cc_cdg.ko |size 0xdb48 at 0x42a4000
/-\|/-\|/boot/entropy size=0x1000
/-\|/-\|/-\|/-\|/-\/boot/kernel/pf.ko |/-\|/-\|/-\|/-\|/size 0x228fc8 at 0x42b3000
-\|/-\|/-\|/-\|/boot/kernel/cryptodev.ko /size 0x138b0 at 0x44dc000
-\|/-\|/-\|/-\|/-\|/boot/kernel/tcp_rack.ko /-\|/-\|/-\size 0x1428e0 at 0x44f0000
|/-\|/-\|/-\|/-/boot/kernel/cc_chd.ko \size 0x8e98 at 0x4633000
|/-\|/-\|/-\|/-/boot/kernel/sctp.ko \|/-\|/-\|/-\|/-\|/-\|/-size 0x2e4650 at 0x463c000
\|/-\|/-\|/-\|//boot/kernel/tcp_bbr.ko -\|/-\|/-size 0xde148 at 0x4921000
\|/-GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
---<<BOOT>>---
Copyright (c) 1992-2024 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 15.0-CURRENT #0 n272226-50982d26e45b: Fri Sep 13 23:29:48 UTC 2024
    root@freebsd:/syzkaller/managers/main/kernel/obj/syzkaller/managers/main/kernel/amd64.amd64/sys/SYZKALLER amd64
FreeBSD clang version 18.1.6 (https://github.com/llvm/llvm-project.git llvmorg-18.1.6-0-g1118c2e05e67)
WARNING: WITNESS option enabled, expect reduced performance.
WARNING: DIAGNOSTIC option enabled, expect reduced performance.
panic: ASan: Invalid access, 8-byte write at 0xffffffff84c18980, GenericRedZone(fa)
cpuid = 0
time = 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xffffffff84c18470
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xffffffff84c185d0
vpanic() at vpanic+0x280/frame 0xffffffff84c18790
panic() at panic+0xb5/frame 0xffffffff84c18860
kasan_report() at kasan_report+0xdf/frame 0xffffffff84c18930
pctrie_remove_lookup() at pctrie_remove_lookup+0xf8/frame 0xffffffff84c189f0
pmap_demote_pde_locked() at pmap_demote_pde_locked+0x323/frame 0xffffffff84c18bf0
pmap_change_props_locked() at pmap_change_props_locked+0x896/frame 0xffffffff84c18d90
pmap_init() at pmap_init+0xddd/frame 0xffffffff84c18eb0
vm_mem_init() at vm_mem_init+0xa8/frame 0xffffffff84c18ed0
mi_startup() at mi_startup+0x2c9/frame 0xffffffff84c18ff0
KDB: enter: panic
[ thread pid 0 tid 0 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23e2e77(%rip)
db> serialport: Connected to syzkaller.us-central1-b.ci-freebsd-main-test-0 port 1 (session ID: b6f7b38458fa5b90981a85c544f21c49596b3c5b4ea8c357a83dbb177b454bfd, active connections: 1).