[ 585.2285685] panic: kernel diagnostic assertion "vp->v_type == VREG || vp->v_type == VDIR" failed: file "/syzkaller/managers/netbsd/kernel/sys/ufs/ufs/ufs_readwrite.c", line 104 [ 585.2285685] cpu0: Begin traceback... [ 585.2397107] vpanic() at netbsd:vpanic+0x214 [ 585.2508453] _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure [ 585.2631123] ffs_read() at netbsd:ffs_read+0x2a7 [ 585.2732716] VOP_READ() at netbsd:VOP_READ+0x12c [ 585.2845652] vn_read() at netbsd:vn_read+0xd7 [ 585.2953978] do_filereadv() at netbsd:do_filereadv+0x42e [ 585.3065364] sys___syscall() at netbsd:sys___syscall+0xe2 [ 585.3176711] syscall() at netbsd:syscall+0x32e [ 585.3298526] --- syscall (number 198) --- [ 585.3399483] 74a5b843f4aa: [ 585.3399483] cpu0: End traceback... [ 585.3399483] dumping to dev 4,1 (offset=0, size=0): not possible [ 585.3399483] 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