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@10.128.0.65" "pwd"]: exit status 255 ssh: connect to host 10.128.0.65 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. 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=0x17a0a8 /-\|/-\|/-\|/text=0x1fed0e4 -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/text=0xf98c74 -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/data=0x79a0 -data=0x886e28+0x5711d8 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-syms=[0x8+0x3808f8\|/-\|/-\|/-\|/-\|/-\|/-\|/-\+0x8+0x1bb815|/-\|/-\|/-\|/] Loading configured modules... -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\/boot/kernel/sem.ko |size 0x12030 at 0x473d000 /-\|/-\|/-\|/-\/boot/kernel/tcp_bbr.ko |/-\|/-\|/size 0x118428 at 0x4750000 -\|/-\|//boot/entropy size=0x1000 -\|/-\|/-\|/-\|/-\|/boot/kernel/cc_dctcp.ko size 0x9130 at 0x486a000 /-\|/-\|/-\|/-\|/-\/boot/kernel/mqueuefs.ko |size 0x28de0 at 0x4874000 /-\|/-\|/-\|/-\/boot/kernel/cc_htcp.ko |size 0x8578 at 0x489d000 /-\|/-\|/-\|/-\|/-\|//boot/kernel/cc_cdg.ko -size 0xde20 at 0x48a6000 loading required module 'ertt' \|/-\|/-\|/-\|/-\|/-\/boot/kernel/h_ertt.ko |size 0x7818 at 0x48b4000 /-\|/-\|/-\|/-\/boot/kernel/cc_vegas.ko size 0x7088 at 0x48bc000 |/-\|/-\|/-\|/-\|/-/boot/kernel/tcp_rack.ko \|/-\|/-\|size 0x11b908 at 0x48c4000 /-\|/-\|/-\|/-\|/-\|//boot/kernel/ipsec.ko -\|/-size 0x7b940 at 0x49e0000 \|/-\|/-\|/-\|/-\|//boot/kernel/cc_hd.ko size 0x6718 at 0x4a5c000 -\|/-\|/-\|/-\|/boot/kernel/cryptodev.ko /size 0x17a80 at 0x4a63000 -\|/-\|/-\|/-\|/-\|/boot/kernel/cc_cubic.ko size 0x7630 at 0x4a7b000 /-\|/-\|/-\|/-\/boot/kernel/cc_chd.ko |size 0x9f58 at 0x4a83000 /-\|/-\|/-\|/-\/boot/kernel/sctp.ko |/-\|/-\|/-\|/-\|/-\|/-\size 0x2fad40 at 0x4a8d000 |/-\|/-\|/-\|/-\|/-/boot/kernel/pf.ko \|/-\|/-\|/-\|size 0x1a5d38 at 0x4d88000 /-\|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 n247776-e834f9a44ac: Tue Jul 6 21:00:22 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 panic: ASan: Invalid access, 8-byte write at 0xfffffe0007836ff8, MallocRedZone(fb) cpuid = 0 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xffffffff84f46530 kdb_backtrace() at kdb_backtrace+0xd3/frame 0xffffffff84f46690 vpanic() at vpanic+0x2c5/frame 0xffffffff84f46770 panic() at panic+0xb5/frame 0xffffffff84f46830 kasan_atomic_testandset_long() at kasan_atomic_testandset_long+0x384/frame 0xffffffff84f468f0 item_ctor() at item_ctor+0x4da/frame 0xffffffff84f46950 malloc() at malloc+0x1b5/frame 0xffffffff84f46a30 init_dynamic_kenv_from() at init_dynamic_kenv_from+0x296/frame 0xffffffff84f46ab0 init_dynamic_kenv() at init_dynamic_kenv+0x144/frame 0xffffffff84f46b70 mi_startup() at mi_startup+0x457/frame 0xffffffff84f46cb0 btext() at btext+0x22 KDB: enter: panic [ thread pid 0 tid 0 ] Stopped at kdb_enter+0x6b: movq $0,0x28f874a(%rip) db> serialport: Connected to syzkaller.us-central1-c.ci-freebsd-i386-test-0 port 1 (session ID: 690e8272a4c4a263a9fcef9ec606c599de90c34f08b8df4c03038d6d705ecd51, active connections: 1).