panic: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/main/kernel/sys/net/route.c", line 1078
Starting stack trace...
panic(ffffffff829282da) at panic+0x159 sys/kern/subr_prf.c:229
__assert(ffffffff828e3498,ffffffff8288e68e,436,ffffffff828525e5) at __assert+0x29 sys/kern/subr_prf.c:157
rtrequest(1,ffff80002f721208,0,ffff80002f721180,0) at rtrequest+0xb49 sys/net/route.c:1078
rtm_output(ffff800000e3ae00,ffff80002f7212b0,ffff80002f721208,0,0) at rtm_output+0x614 sys/net/rtsock.c:959
route_output(fffffd8071f08000,fffffd806cd239b8) at route_output+0x6bb sys/net/rtsock.c:864
route_send(fffffd806cd239b8,fffffd8071f08000,0,0) at route_send+0x8f sys/net/rtsock.c:340
sosend(fffffd806cd239b8,0,ffff80002f721468,0,0,0) at sosend+0x663
sendit(ffff80002a603728,3,ffff80002f721560,0,ffff80002f721610) at sendit+0x54c sys/kern/uipc_syscalls.c:786
sys_sendto(ffff80002a603728,ffff80002f7216c0,ffff80002f721610) at sys_sendto+0x84 sys/kern/uipc_syscalls.c:564
syscall(ffff80002f7216c0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x221a2bc1880, count: 246
End of stack trace.
syncing disks...19 12 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 e4c28bce-9379-8bb2-f2c8-a7cf484f58e0
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 $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