panic: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/main/kernel/sys/net/if_tun.c", line 315
Starting stack trace...
panic(ffffffff82765608) at panic+0x159 sys/kern/subr_prf.c:229
__assert(ffffffff827e4d88,ffffffff82815041,13b,ffffffff827f556b) at __assert+0x29 sys/kern/subr_prf.c:157
tun_clone_destroy(ffff800000cbd000) at tun_clone_destroy+0x234 sys/net/if_tun.c:315
if_clone_destroy(ffff80002e8fb350) at if_clone_destroy+0x132 sys/net/if.c:1274
sys_ioctl(ffff800021703710,ffff80002e8fb460,ffff80002e8fb4b0) at sys_ioctl+0x49e
syscall(ffff80002e8fb530) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:632
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd2d7bcd77f0, count: 250
End of stack trace.
syncing disks...19 12  done

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 2aab0ffc-1c4c-a86f-044c-3bdb0702e43a
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 0x000f2830: 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 3.56
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