panic: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 303
Starting stack trace...
panic(ffffffff8260ae6a) at panic+0x16b sys/kern/subr_prf.c:229
__assert(ffffffff82684314,ffffffff826c96da,12f,ffffffff826937c9) at __assert+0x25 sys/kern/subr_prf.c:157
tun_clone_destroy(ffff800000bfd000) at tun_clone_destroy+0x278 sys/net/if_tun.c:303
if_clone_destroy(ffff80002477a270) at if_clone_destroy+0x132 sys/net/if.c:1267
ifioctl(fffffd807d5bbb88,80206979,ffff80002477a270,ffff8000fffe7a40) at ifioctl+0x3b4 sys/net/if.c:1944
sys_ioctl(ffff8000fffe7a40,ffff80002477a388,ffff80002477a3d0) at sys_ioctl+0x4a2
syscall(ffff80002477a450) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002477a450) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x8a051db7430, count: 249
End of stack trace.
syncing disks...26 12  done

dump to dev 4,1 not possible
repanicb:oo tikernngel di..ag.n
ostic assertiSeaBIOS (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 bbcbd082-acfd-33d1-ec83-4c20355829bb
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