diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 8b1bd03..859990e 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -552,6 +552,15 @@
 					   dir->i_sb->s_blocksize -
 					   EXT4_DIR_REC_LEN(0));
 	for (; de < top; de = ext4_next_entry(de)) {
+		if (!ext4_check_dir_entry("htree_dirblock_to_tree", dir, de, bh,
+					(block<<EXT4_BLOCK_SIZE_BITS(dir->i_sb))
+						+((char *)de - bh->b_data))) {
+			/* On error, skip the f_pos to the next block. */
+			dir_file->f_pos = (dir_file->f_pos |
+					(dir->i_sb->s_blocksize - 1)) + 1;
+			brelse (bh);
+			return count;
+		}
 		ext4fs_dirhash(de->name, de->name_len, hinfo);
 		if ((hinfo->hash < start_hash) ||
 		    ((hinfo->hash == start_hash) &&