panic: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/main/kernel/sys/kern/vfs_biomem.c", line 310
Starting stack trace...
panic(ffffffff8292a5c1) at panic+0x159 sys/kern/subr_prf.c:229
__assert(ffffffff828e1df3,ffffffff828f051d,136,ffffffff8286c4f0) at __assert+0x29 sys/kern/subr_prf.c:157
buf_free_pages(fffffd805cb3e588) at buf_free_pages+0x1d0 sys/kern/vfs_biomem.c:299
buf_dealloc_mem(fffffd805cb3e588) at buf_dealloc_mem+0xe2 sys/kern/vfs_biomem.c:179
buf_put(fffffd805cb3e588) at buf_put+0x15e sys/kern/vfs_bio.c:127
brelse(fffffd805cb3e588) at brelse+0x26b sys/kern/vfs_bio.c:944
vinvalbuf(fffffd8078b02c20,2,ffffffffffffffff,ffff80002a6af740,0,ffffffffffffffff) at vinvalbuf+0x3b8 sys/kern/vfs_subr.c:2025
ffs_truncate(fffffd8069d605a8,0,0,ffffffffffffffff) at ffs_truncate+0xb99
ufs_inactive(ffff8000375e9348) at ufs_inactive+0x16a sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd8078b02c20,ffff80002a6af740) at VOP_INACTIVE+0xbf sys/kern/vfs_vops.c:489
vrele(fffffd8078b02c20) at vrele+0xcc sys/kern/vfs_subr.c:827
ktrsettrace(ffff8000ffff94f8,a0c7df9b,fffffd806fbf2368,fffffd807f7d7958) at ktrsettrace+0xb6 sys/kern/kern_ktrace.c:122
ktrops(ffff80002a6af740,ffff8000ffff94f8,0,a0c7df9b,fffffd806fbf2368,fffffd807f7d7958) at ktrops+0x1ae sys/kern/kern_ktrace.c:564
doktrace(fffffd806fbf2368,4,20c7df9b,0,ffff80002a6af740) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline]
doktrace(fffffd806fbf2368,4,20c7df9b,0,ffff80002a6af740) at doktrace+0x514 sys/kern/kern_ktrace.c:508
sys_ktrace(ffff80002a6af740,ffff8000375e97b0,ffff8000375e9700) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549
syscall(ffff8000375e97b0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x75466b21df0, count: 240
End of stack trace.
syncing disks...19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19  giving up

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 1498d526-897b-4d0e-28be-a262cd523d51
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> machine ddbcpu 0
machine: syntax error
boot> trace
|/-\|/-\|/booting hd0a:trace: -\|/open hd0a:trace: No such file or directory
 failed(2). will try /bsd
boot> machine ddbcpu 1
machine: syntax error
boot> trace