[  33.1912916] panic: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/netbsd/kernel/sys/uvm/uvm_page.c", line 1608 
[  33.1912916] cpu0: Begin traceback...
[  33.1912916] vpanic() at netbsd:vpanic+0x214
[  33.2019951] _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure
[  33.2120897] uvm_pageunwire() at netbsd:uvm_pageunwire+0xc6
[  33.2120897] uvm_obj_unwirepages() at netbsd:uvm_obj_unwirepages+0x6a
[  33.2228172] shmctl1() at netbsd:shmctl1+0x399
[  33.2332709] sys___shmctl50() at netbsd:sys___shmctl50+0xb0
[  33.2432822] sys_syscall() at netbsd:sys_syscall+0xe2
[  33.2536874] syscall() at netbsd:syscall+0x32e
[  33.2536874] --- syscall (number 0) ---
[  33.2640843] 72b376e3f4ca:
[  33.2640843] cpu0: End traceback...

[  33.2640843] dumping to dev 4,1 (offset=0, size=0): not possible
[  33.2640843] 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