LOR panic on mount -uw

From: grarpamp <grarpamp_at_gmail.com>
Date: Wed, 11 Oct 2017 17:18:17 -0400
Let 12.0-current r324306 amd64 efi boot from usb to installer screen,
try to write zeroes to an unallocated part of ada0, mount -uw a
separate part of ada0 ...

1st 0xc5ce5f0 ufs kern/vfs_mount.c:1274
2nd 0xc565b78 devfs ufs/ffs/ffs_vfsops.c:1414

g_access+0x2b9/frame 0xfffffe0458a31550
ffs_mount+0x1092/frame 0xfffffe0458a31700
vfs_donmount+0x13b8/frame 0xfffffe0458a31940
sys_nmount+0x72/frame 0xfffffe0458a31980
amd64_syscall+0x79b/frame 0xfffffe0458a3a1b0
Xfast_syscall+0xfb/frame 0xfffffe0458a31ab0
syscall (378, FreeBSD ELF64, sys_nmount), rip = 0x800a88d6a, rsp =
0x7fffffffd428, rbp = 0x7fffffffd990
kdb_enter+0x3b: movq $0,kdb_why
Received on Wed Oct 11 2017 - 19:18:59 UTC

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