diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index e040970..ef0bf98 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -960,6 +960,10 @@ static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry,
 	if (err)
 		return err;
 
+	if (!kuid_has_mapping(current_user_ns(), ctx.stat.uid) ||
+	    !kgid_has_mapping(current_user_ns(), ctx.stat.gid))
+		return -EOVERFLOW;
+
 	ctx.metacopy = ovl_need_meta_copy_up(dentry, ctx.stat.mode, flags);
 
 	if (parent) {