login: [ 307.5789605] panic: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/netbsd/kernel/sys/uvm/uvm_page.c", line 1608 
[ 307.5789605] cpu1: Begin traceback...
[ 307.5789605] vpanic() at netbsd:vpanic+0x214
[ 307.5889622] _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure
[ 307.5989690] uvm_pageunwire() at netbsd:uvm_pageunwire+0xc6
[ 307.6089794] uvm_fault_unwire_locked() at netbsd:uvm_fault_unwire_locked+0x2b0
[ 307.6189840] uvm_unmap_remove() at netbsd:uvm_unmap_remove+0x457
[ 307.6289923] uvm_map_enter() at netbsd:uvm_map_enter+0x412
[ 307.6389988] uvm_map() at netbsd:uvm_map+0xf7
[ 307.6490074] uvm_mmap.part.0() at netbsd:uvm_mmap.part.0+0x225
[ 307.6590159] sys_mmap() at netbsd:sys_mmap+0x863
[ 307.6690247] sys___syscall() at netbsd:sys___syscall+0xe2
[ 307.6790290] syscall() at netbsd:syscall+0x32e
[ 307.6890383] --- syscall (number 198) ---
[ 307.6890383] 786c62c3f4aa:
[ 307.6990449] cpu1: End traceback...

[ 307.6990449] dumping to dev 4,1 (offset=0, size=0): not possible
[ 307.7090500] 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