diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index b1697194c3c4..a9563f7fcd88 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -250,6 +250,11 @@ struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d,
 			continue;
 		}
 
+		if (unlikely(le16_to_cpu(de->name_len) > F2FS_NAME_LEN ||
+			     bit_pos + GET_DENTRY_SLOTS(le16_to_cpu(de->name_len)) >
+			     d->max))
+			return ERR_PTR(-EFSCORRUPTED);
+
 		if (!use_hash || de->hash_code == fname->hash) {
 			res = f2fs_match_name(d->inode, fname,
 					      d->filename[bit_pos],