login: [ 109.0593993] panic: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/netbsd/kernel/sys/uvm/uvm_page.c", line 1608 
[ 109.0694169] cpu1: Begin traceback...
[ 109.0794348] vpanic() at netbsd:vpanic+0x214
[ 109.0894544] _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure
[ 109.0994723] uvm_pageunwire() at netbsd:uvm_pageunwire+0xc6
[ 109.1094922] uvm_fault_unwire_locked() at netbsd:uvm_fault_unwire_locked+0x2b0
[ 109.1295281] uvm_unmap_remove() at netbsd:uvm_unmap_remove+0x457
[ 109.1395471] uvm_unmap1() at netbsd:uvm_unmap1+0xa5
[ 109.1495654] shmexit() at netbsd:shmexit+0x124
[ 109.1595832] uvmspace_free() at netbsd:uvmspace_free+0x11c
[ 109.1696039] exit1() at netbsd:exit1+0x364
[ 109.1796222] sys_exit() at netbsd:sys_exit+0x6c
[ 109.1896433] syscall() at netbsd:syscall+0x32e
[ 109.1896433] --- syscall (number 1) ---
[ 109.1996585] 7e0ee72fe47a:
[ 109.1996585] cpu1: End traceback...

[ 109.2096766] dumping to dev 4,1 (offset=0, size=0): not possible
[ 109.2096766] 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