panic: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/main/kernel/sys/net/route.c", line 954
Starting stack trace...
panic(ffffffff8276bad6) at panic+0x159 sys/kern/subr_prf.c:229
__assert(ffffffff827e9265,ffffffff827a2c4b,3ba,ffffffff827bad20) at __assert+0x29 sys/kern/subr_prf.c:157
rtrequest(1,ffff800027fa8928,4,ffff800027fa89d0,0) at rtrequest+0xb67 sys/net/route.c:954
rt_ifa_add(ffff800000e2c400,840100,ffff800000e2c458,0) at rt_ifa_add+0x1ac sys/net/route.c:1134
in_ifinit(ffff800000eab800,ffff800000e2c400,ffff800000e2c458,1) at in_ifinit+0x36d in_insert_prefix sys/netinet/in.c:770 [inline]
in_ifinit(ffff800000eab800,ffff800000e2c400,ffff800000e2c458,1) at in_ifinit+0x36d sys/netinet/in.c:703
in_ioctl_change_ifaddr(8040691a,ffff800027fa8c30,ffff800000eab800) at in_ioctl_change_ifaddr+0x63d sys/netinet/in.c:504
ifioctl(fffffd805f6f6920,8040691a,ffff800027fa8c30,ffff8000216718e8) at ifioctl+0x1152 pru_control sys/sys/protosw.h:365 [inline]
ifioctl(fffffd805f6f6920,8040691a,ffff800027fa8c30,ffff8000216718e8) at ifioctl+0x1152 sys/net/if.c:2364
sys_ioctl(ffff8000216718e8,ffff800027fa8d40,ffff800027fa8d90) at sys_ioctl+0x49e
syscall(ffff800027fa8e10) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:632
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf04b1978170, count: 247
End of stack trace.
syncing disks...23 9  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 7bbb59a4-3b4e-2ed3-58f8-154d5cc405f8
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 0x000f2850: 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 $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