login: [  38.3025895] panic: kernel diagnostic assertion "vp->v_usecount != 0" failed: file "/syzkaller/managers/netbsd/kernel/sys/kern/vfs_vnode.c", line 869 
[  38.3025895] cpu0: Begin tracebacWkAR.N.I.
N[
  38.3025895] G: SPL NOT LOWERED ON SYSCALL 0 -6891536 EXIT a06106b0 7
[  38.3025895] vpanic() at netbsd:vpanic+0x214
[  38.3025895] _GLOBAL__sub_D_65535_0_cpu_configure()W aARtN ING: SPL NOT LOWERED ON SYSCALL 0ne -tbs68d91:5_3G6L OEBXIATL_ _a0s6u1b0_D_66b505 375
[  38.3025895] _0_cpu_configure
[  38.3025895] vref() at netbsd:vref+0x54
[  38.3025895] getcwd_common() at netbsd:getcwd_common+0x10d
[  38.3025895] vn_isunder() at netbsd:vn_isunder+0x1e
[  38.3025895] lookup_once() at netbsd:lookup_once+0x252
[  38.3025895] namei_tryemulroot() at netbsd:namei_tryemulroot+0x613
[  38.3025895] namei() at netbsd:namei+0x65
[  38.3025895] fd_nameiat.isra.2() at netbsd:fd_nameiat.isra.2+0xd0
[  38.3025895] do_sys_statat() at netbsd:do_sys_statat+0x11b
[  38.3025895] sys___stat50() at netbsd:sys___stat50+0x88
[  38.3025895] sys_syscall() at netbsd:sys_syscall+0xe2
[  38.3025895] syscall() at netbsd:syscall+0x30e
[  38.3025895] --- syscall (number 0) ---
[  38.3025895] 7d1fa003f4ca:
[  38.3025895] cpu0: End traceback...

[  38.3025895] dumping to dev 4,1 (offset=0, size=0): not possible
[  38.3025895] rebooting...
SeaBIOS (version 1.8.2-20190204_181744-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 0x000f2a00: 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