From 3ae0e7d8ae7f4874cf7f50d5e7bdc079fecd4e0b Mon Sep 17 00:00:00 2001
From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Date: Sun, 28 Aug 2005 00:14:21 +0000
Subject: [PATCH] Verify length of the data to read as well.

---
 sys/geom/label/g_label_ntfs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/geom/label/g_label_ntfs.c b/sys/geom/label/g_label_ntfs.c
index 76035fe2e8a..5ec213f679a 100644
--- a/sys/geom/label/g_label_ntfs.c
+++ b/sys/geom/label/g_label_ntfs.c
@@ -65,6 +65,8 @@ g_label_ntfs_taste(struct g_consumer *cp, char *label, size_t size)
 	
 	mftrecsz = (char)bf->bf_mftrecsz;
 	recsize = (mftrecsz > 0) ? (mftrecsz * bf->bf_bps * bf->bf_spc) : (1 << -mftrecsz);
+	if(recsize % pp->sectorsize != 0)
+		goto done;
 	
 	voloff = bf->bf_mftcn * bf->bf_spc * bf->bf_bps +
 	  recsize * NTFS_VOLUMEINO;