login: panic: kernel diagnostic assertion "cifp != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/route.c", line 946
Starting stack trace...
panic(ffffffff825ae201) at panic+0x16b sys/kern/subr_prf.c:229
__assert(ffffffff82621a30,ffffffff825dbd13,3b2,ffffffff825fa70d) at __assert+0x25 sys/kern/subr_prf.c:157
rtrequest(b,ffff800027005e18,3,ffff800027005eb8,0) at rtrequest+0xc17 sys/net/route.c:946
rt_clone(ffff800027005f48,ffff800000c24350,0) at rt_clone+0x78 sys/net/route.c:257
rt_setgwroute(fffffd806ef751c0,0) at rt_setgwroute+0x400 sys/net/route.c:415
rtm_output(ffff800000e45900,ffff800027006100,ffff800027006058,40,0) at rtm_output+0x789 sys/net/rtsock.c:1122
route_output(fffffd80681f8d00,fffffd806d832200) at route_output+0x69e sys/net/rtsock.c:860
route_send(fffffd806d832200,fffffd80681f8d00,0,0) at route_send+0x8b sys/net/rtsock.c:339
sosend(fffffd806d832200,0,ffff8000270062b0,0,0,80) at sosend+0x69e
sendit(ffff800021320008,3,ffff8000270063b0,0,ffff800027006490) at sendit+0x65d sys/kern/uipc_syscalls.c:783
sys_sendto(ffff800021320008,ffff800027006448,ffff800027006490) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:561
syscall(ffff800027006510) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff800027006510) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5b4fb97c220, count: 244
End of stack trace.
syncing disks...30 21 1  done

dump to dev 4,1 not possible
rebnic: g...
l diagnosticSeaBIOS (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