diff --git a/core/lib/Drupal/Core/Menu/MenuTreeStorage.php b/core/lib/Drupal/Core/Menu/MenuTreeStorage.php
index 11e3711..a01d93c 100644
--- a/core/lib/Drupal/Core/Menu/MenuTreeStorage.php
+++ b/core/lib/Drupal/Core/Menu/MenuTreeStorage.php
@@ -364,6 +364,13 @@ protected function preSave(array &$link, array $original) {
     // text field.
     $fields['route_param_key'] = $fields['route_parameters'] ? UrlHelper::buildQuery($fields['route_parameters']) : '';
 
+    if (isset($fields['title'])) {
+      $fields['title_serialized'] = $fields['title'];
+      unset($fields['title']);
+      $fields['description_serialized'] = $fields['description'];
+      unset($fields['description']);
+    }
+
     foreach ($this->serializedFields() as $name) {
       if (isset($fields[$name])) {
         $fields[$name] = serialize($fields[$name]);
@@ -623,6 +630,16 @@ protected function prepareLink(array $link, $intersect = FALSE) {
         $link[$name] = unserialize($link[$name]);
       }
     }
+
+    if (isset($link['title_serialized'])) {
+      $link['title'] = $link['title_serialized'];
+      unset($link['title_serialized']);
+    }
+    if (isset($link['description_serialized'])) {
+      $link['description'] = $link['description_serialized'];
+      unset($link['description_serialized']);
+    }
+
     if ($intersect) {
       $link = array_intersect_key($link, array_flip($this->definitionFields()));
     }
@@ -1249,14 +1266,14 @@ protected static function schemaDefinition() {
           'not null' => TRUE,
           'default' => '',
         ),
-        'title' => array(
+        'title_serialized' => array(
           'description' => 'The title for the link. May be a serialized TranslationWrapper',
           'type' => 'blob',
           'size' => 'big',
           'not null' => FALSE,
           'serialize' => TRUE,
         ),
-        'description' => array(
+        'description_serialized' => array(
           'description' => 'The description of this link - used for admin pages and title attribute.',
           'type' => 'blob',
           'size' => 'big',
diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index 91ca627..c5a5623 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -1099,7 +1099,7 @@ function system_update_8001() {
       'not null' => FALSE,
       'serialize' => TRUE,
     );
-    db_change_field('menu_tree', 'title', 'title', $spec);
+    db_add_field('menu_tree', 'title_serialized', $spec);
     $spec = array(
       'description' => 'The description of this link - used for admin pages and title attribute.',
       'type' => 'blob',
@@ -1107,7 +1107,7 @@ function system_update_8001() {
       'not null' => FALSE,
       'serialize' => TRUE,
     );
-    db_change_field('menu_tree', 'description', 'description', $spec);
+    db_add_field('menu_tree', 'description_serialized', $spec);
   }
 }
 
@@ -1127,17 +1127,18 @@ function system_update_8002(&$sandbox = NULL) {
 
   $return = [];
   foreach ($menu_links as $menu_link) {
+    $menu_link = (array) $menu_link;
     $menu_link['title_arguments'] = unserialize($menu_link['title_arguments']);
     $menu_link['title_context'] = unserialize($menu_link['title_context']);
 
     // Convert static defined plugins to use t().
     if ($menu_link['class'] === 'Drupal\Core\Menu\MenuLinkDefault') {
-      $menu_link['title'] = serialize(new TranslationWrapper($menu_link['title'], $menu_link['title_arguments'], ['context' => $menu_link['title_context']]));
+      $menu_link['title_serialized'] = serialize(new TranslationWrapper($menu_link['title'], $menu_link['title_arguments'], ['context' => $menu_link['title_context']]));
     }
     else {
-      $menu_link['title'] = serialize($menu_link['title']);
+      $menu_link['title_serialized'] = serialize($menu_link['title']);
     }
-    $menu_link['description'] = serialize($menu_link['description']);
+    $menu_link['description_serialized'] = serialize($menu_link['description']);
 
     unset($menu_link['title_arguments']);
     unset($menu_link['title_context']);
@@ -1151,9 +1152,9 @@ function system_update_8002(&$sandbox = NULL) {
     $sandbox['current']++;
   }
 
-  $return['#finished'] = empty($sandbox['max']) ? 1 : ($sandbox['current'] / $sandbox['max']);
+  $sandbox['#finished'] = empty($sandbox['max']) ? 1 : ($sandbox['current'] / $sandbox['max']);
 
-  return $return;
+  return t('Menu links converted');
 }
 
 /**
@@ -1162,4 +1163,6 @@ function system_update_8002(&$sandbox = NULL) {
 function system_update_8003() {
   db_drop_field('menu_tree', 'title_arguments');
   db_drop_field('menu_tree', 'title_context');
+  db_drop_field('menu_tree', 'title');
+  db_drop_field('menu_tree', 'description');
 }
diff --git a/core/modules/system/system.routing.yml b/core/modules/system/system.routing.yml
index 9d806bb..a656ab3 100644
--- a/core/modules/system/system.routing.yml
+++ b/core/modules/system/system.routing.yml
@@ -454,6 +454,8 @@ system.db_update:
     _title: 'Drupal database update'
     _controller: '\Drupal\system\Controller\DbUpdateController::handle'
     op: 'info'
+  options:
+    _maintenance_access: TRUE
   requirements:
     _access_system_update: 'TRUE'