syzbot

deuvm_fault(0xfffffd8063a0f538, 0x8, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff827f8d1f cs 8 rflags 10246 cr2 8 cpl 0 rsp ffff800030adaca0
gsbase 0xffffffff82cd1ff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff827f8d1f
Starting stack trace...
panic(ffffffff8284ec32) at panic+0x16f sys/kern/subr_prf.c:229
kerntrap(ffff800030adabf0) at kerntrap+0x1d7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
fifo_write(ffff800030adace0) at fnied attempt to iset clock back 3f223323022 secondos
_write+0x4f
VOP_WRITE(fffffd805762ae80,ffff800030adad98,3,fffffd807f7d74e0) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245
ktrwriteraw(ffff80002a156f98,fffffd805762ae80,fffffd807f7d74e0,ffff800030adae68,ffff800030adae40) at ktrwriteraw+0x16b sys/kern/kern_ktrace.c:682
ktrgenio(ffff80002a156f98,f9,0,ffff8000006bc770,40) at ktrgenio+0x256 ktrwrite2 sys/kern/kern_ktrace.c:644 [inline]
ktrgenio(ffff80002a156f98,f9,0,ffff8000006bc770,40) at ktrgenio+0x256 sys/kern/kern_ktrace.c:258
dofilereadv(ffff80002a156f98,f9,ffff800030adafd8,0,ffff800030adb090) at dofilereadv+0x2ea sys/kern/sys_generic.c:263
sys_read(ffff80002a156f98,ffff800030adb140,ffff800030adb090) at sys_read+0x87 sys/kern/sys_generic.c:167
syscall(ffff800030adb140) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff800030adb140) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x76494a891840, count: 246
End of stack trace.

dump to dev 4,1 not possible
rebooting...
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 0d5ef51b-0062-dd1a-a10b-15f17b148763
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f27f0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
>> OpenBSD/amd64 BOOT 3.65
boot> set $lines = 0
set: syntax error
boot> set $maxwidth = 0
set: syntax error
boot> show panic
boot: illegal argument panic
boot> trace
boot> show registers
boot> show proc
boot> ps
boot> show all locks
boot> show malloc
boot> show all pools
boot> machine ddbcpu 0
machine: syntax error
boot> trace
boot> machine ddbcpu 1
machine: syntax error
boot> trace