[  93.2627334] panic: kernel diagnostic assertion "pg->wire_count > 0" failed: file "/syzkaller/managers/netbsd/kernel/sys/uvm/uvm_page.c", line 1594 
[  93.2785825] cpu0: Begin traceback...
[  93.2826830] vpanic() at netbsd:vpanic+0x214
[  93.2926577] _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure
[  93.3076182] uvm_fault_lower_enter() at netbsd:uvm_fault_lower_enter+0x429
[  93.3225743] uvm_fault_internal() at netbsd:uvm_fault_internal+0x1c85
[  93.3325465] uvm_fault_wire() at netbsd:uvm_fault_wire+0x56
[  93.3425226] uvm_map_pageable() at netbsd:uvm_map_pageable+0x56e
[  93.3574805] uvm_mmap.part.0() at netbsd:uvm_mmap.part.0+0x3b9
[  93.3675025] sys_mmap() at netbsd:sys_mmap+0x863
[  93.3774234] sys___syscall() at netbsd:sys___syscall+0xe2
[  93.3923842] syscall() at netbsd:syscall+0x32e
[  93.3973699] --- syscall (number 198) ---
[  93.4035722] 71c39403f4aa:
[  93.4076590] cpu0: End traceback...

[  93.4076590] dumping to dev 4,1 (offset=0, size=0): not possible
[  93.4076590] rebooting...
SeaBIOS (version 1.8.2-20190122_225043-google)
Total RAM Size = 0x00000001e0000000 = 7680 MiB
CPUs found: 2     Max CPUs supported: 2
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 0x000f29c0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Booting from Hard Disk 0...

>> NetBSD/x86 BIOS Boot, Revision 5.10 (Tue Jul 17 14:59:51 UTC 2018) (from NetBSD 8.0)
>> Memory: 639/3144640 k

     1. Boot normally
     2. Boot single user
     3. Disable ACPI
     4. Disable ACPI and SMP
     5. Drop to boot prompt