Merge pull request #25044 from owncloud/stable9-scanner-user-not-setup

[stable9] skip scanning for a user when the user is not setup yet

lib/private/files/utils/scanner.php

@@ -148,7 +148,12 @@ class Scanner extends PublicEmitter {
 			if ($storage->instanceOfStorage('\OC\Files\Storage\Home') and
 				(!$storage->isCreatable('') or !$storage->isCreatable('files'))
 			) {
+				if ($storage->file_exists('') or $storage->getCache()->inCache('')) {
 					throw new ForbiddenException();
+				} else {// if the root exists in neither the cache nor the storage the user isn't setup yet
+					break;
+				}
+
 			}
 			$relativePath = $mount->getInternalPath($dir);
 			$scanner = $storage->getScanner();