X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=fs%2Fhpfs%2Fsuper.c;h=962e90c37aec64ec95773467f146951995c9adc1;hb=3ebacb05044f82c5f0bb456a894eb9dc57d0ed90;hp=a0617e7069579c61baed047b3ba2992b294d6082;hpb=241a9871263f3114717c0ed416a1bd1d2415d1fb;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index a0617e7..962e90c 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -558,7 +558,13 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
 	sbi->sb_cp_table = NULL;
 	sbi->sb_c_bitmap = -1;
 	sbi->sb_max_fwd_alloc = 0xffffff;
-	
+
+	if (sbi->sb_fs_size >= 0x80000000) {
+		hpfs_error(s, "invalid size in superblock: %08x",
+			(unsigned)sbi->sb_fs_size);
+		goto bail4;
+	}
+
 	/* Load bitmap directory */
 	if (!(sbi->sb_bmp_dir = hpfs_load_bitmap_directory(s, le32_to_cpu(superblock->bitmaps))))
 		goto bail4;