panic: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 315
Starting stack trace...
panic(ffffffff82952ea6) at panic+0x16f sys/kern/subr_prf.c:229
__assert(ffffffff829067b6,ffffffff828dbbbe,13b,ffffffff828e4fb2) at __assert+0x29 sys/kern/subr_prf.c:157
tun_clone_destroy(ffff800000e01000) at tun_clone_destroy+0x278 sys/net/if_tun.c:315
if_clone_destroy(ffff80002d690d40) at if_clone_destroy+0x132 sys/net/if.c:1384
ifioctl(ffff800000e94928,80206979,ffff80002d690d40,ffff80002a209818) at ifioctl+0x44b
sys_ioctl(ffff80002a209818,ffff80002d690f20,ffff80002d690e80) at sys_ioctl+0x4a9
syscall(ffff80002d690f20) at syscall+0x5b5 mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002d690f20) at syscall+0x5b5 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7a0eca53ba20, count: 249
End of stack trace.
syncing disks...27 27 1  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 479bd2e4-6073-186a-8c25-a69e4074584d
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