panic: kernel diagnostic assertion "uvm_page_owner_locked_p(pg)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1269
Starting stack trace...
panic(ffffffff825a8820) at panic+0x16b sys/kern/subr_prf.c:229
__assert(ffffffff82620c5c,ffffffff8259b043,4f5,ffffffff825d1ce1) at __assert+0x25 sys/kern/subr_prf.c:157
uvm_pageunwire(fffffd80078ba220) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269
uvm_fault_unwire_locked(fffffd807effc170,d301d5ea000,d301d7e9000) at uvm_fault_unwire_locked+0x236 sys/uvm/uvm_fault.c:1683
uvm_unmap_kill_entry_withlock(fffffd807effc170,fffffd8066b243b8,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925
uvm_map_teardown(fffffd807effc170) at uvm_map_teardown+0x187 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd807effc170) at uvm_map_teardown+0x187 sys/uvm/uvm_map.c:2578
uvmspace_free(fffffd807effc170) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513
reaper(ffff8000212337a8) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: 249
End of stack trace.

syncing disks...panic: ffs_update: bad link cnt
Starting stack trace...
panic(ffffffff82645637) at panic+0x16b sys/kern/subr_prf.c:229
ffs_update(fffffd806d500de0,0) at ffs_update+0x303 sys/ufs/ffs/ffs_inode.c:101
VOP_FSYNC(fffffd806987e6e0,fffffd807f7d7f08,2,ffff8000212337a8) at VOP_FSYNC+0xce sys/kern/vfs_vops.c:311
ffs_sync_vnode(fffffd806987e6e0,ffff800021238d70) at ffs_sync_vnode+0x180 sys/ufs/ffs/ffs_vfsops.c:1197
vfs_mount_foreach_vnode(ffff8000006d7c00,ffffffff81e931e0,ffff800021238d70) at vfs_mount_foreach_vnode+0x55 sys/kern/vfs_subr.c:910
ffs_sync(ffff8000006d7c00,2,0,fffffd807f7d7f08,ffff8000212337a8) at ffs_sync+0x11f sys/ufs/ffs/ffs_vfsops.c:1248
sys_sync(ffff8000212337a8,0,0) at sys_sync+0xbc sys/kern/vfs_syscalls.c:537
vfs_syncwait(ffff8000212337a8,1) at vfs_syncwait+0x36
vfs_shutdown(ffff8000212337a8) at vfs_shutdown+0x5d sys/kern/vfs_subr.c:1791
boot(100) at boot+0xc8 sys/arch/amd64/amd64/machdep.c:843
amdgpio_match(100,100,0) at amdgpio_match
panic(ffffffff825a8820) at panic+0x18b sys/kern/subr_prf.c:231
__assert(ffffffff82620c5c,ffffffff8259b043,4f5,ffffffff825d1ce1) at __assert+0x25 sys/kern/subr_prf.c:157
uvm_pageunwire(fffffd80078ba220) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269
uvm_fault_unwire_locked(fffffd807effc170,d301d5ea000,d301d7e9000) at uvm_fault_unwire_locked+0x236 sys/uvm/uvm_fault.c:1683
uvm_unmap_kill_entry_withlock(fffffd807effc170,fffffd8066b243b8,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925
uvm_map_teardown(fffffd807effc170) at uvm_map_teardown+0x187 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
uvm_map_teardown(fffffd807effc170) at uvm_map_teardown+0x187 sys/uvm/uvm_map.c:2578
uvmspace_free(fffffd807effc170) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513
reaper(ffff8000212337a8) at reaper+0x19a sys/kern/kern_exit.c:448
end trace frame: 0x0, count: 238
End of stack trace.

dump to dev 4,1 not possible
repbaootinnigc:. ..ke
rnel diagnostic asseSeaBIOS (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 70cc8852-3e3d-1621-491f-9b3abbe0e2d7
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 0x000f2480: 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 3.55
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