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/i386/latest.tmp/key" "root@10.128.0.156" "pwd"]: exit status 255 ssh: connect to host 10.128.0.156 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 e413f4ca-74cc-32df-8ca4-e0071bf14ca7 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 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-serialport: Connected to syzkaller.us-central1-b.ci-freebsd-i386-test-0 port 1 (session ID: f32d2718f3d9ae07f80652f865124ece6299a6591da1d02b122d339bc821ce77, active connections: 1). \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-text=0x921704 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\data=0x7270+0xd90 data=0x8c0fc0+0x53f040 |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-syms=[0x8+0x3af938\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|+0x8+0x1e35cd/-\|/-\|/-\|/-\] Loading configured modules... |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|//boot/kernel/tcp_bbr.ko -\|/-\|/size 0xde148 at 0x4193000 -\|/-\|/-\|/-\|/-\|/boot/kernel/pf.ko /-\|/-\|/-\|/-\|/-size 0x228fc8 at 0x4272000 \|/-\|/-\|/-\|//boot/kernel/cc_hd.ko -size 0x6010 at 0x449b000 \|/-\|/-\|/-\|/-\|/-\/boot/kernel/ipsec.ko |/-\|/-size 0xa11f0 at 0x44a2000 \|/-\|/-\|/-\|//boot/kernel/mqueuefs.ko -size 0x26ca8 at 0x4544000 \|/-\|/-\|/-\|/-\|//boot/kernel/tcp_rack.ko -\|/-\|/-\|size 0x1428e0 at 0x456b000 /-\|/-\|/-\|/-\/boot/kernel/filemon.ko |size 0xd920 at 0x46ae000 /-\|/-\|/-\|/-\/boot/kernel/cc_vegas.ko |size 0x62d8 at 0x46bc000 /-\|/-\|/-\|/-\|/-\|//boot/kernel/cc_htcp.ko -size 0x7a80 at 0x46c3000 \|/-\|/-\|/-\|//boot/kernel/cc_cubic.ko -size 0x98d8 at 0x46cb000 \|/-\|/-\|/-\|//boot/kernel/cc_dctcp.ko -size 0x8988 at 0x46d5000 \|/-\|/-\|/-\|//boot/kernel/cc_chd.ko -size 0x8e98 at 0x46de000 \|/-\|/-\|/-\|//boot/kernel/cc_cdg.ko -size 0xdb48 at 0x46e7000 \|/-\|/-\|/-\|//boot/kernel/cryptodev.ko -size 0x138b0 at 0x46f5000 \|/-\|/-\|/-\|/-\|/-\/boot/kernel/sctp.ko |/-\|/-\|/-\|/-\|/-\|/-\size 0x2e4650 at 0x4709000 |/-\|/-\|//boot/entropy -size=0x1000 \|/-\|/-\|/-\|//boot/kernel/sem.ko -size 0x10c08 at 0x49ef000 \|/-GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb ---<>--- 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: Sat Sep 14 00:10:05 UTC 2024 root@freebsd:/syzkaller/managers/i386/kernel/obj/syzkaller/managers/i386/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>