X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=fs%2Fhpfs%2Fsuper.c;h=f760c15f0bf5218a882b14da28542e6b4d9841f1;hb=60cbc8c9108be5542b8b7b9e16231fdee062f6d9;hp=98580a3b5005feea514e961476d9a0686c912979;hpb=655402d41742cc8e490f4357745408d361bdd2d4;p=kernel%2Flinux-3.0.git

diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 98580a3..f760c15 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -553,7 +553,13 @@ 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;