Segmentation fault error

If during drush updb you have "Segmentation fault" error, probably this caused by node_modules folder within module/theme or by big file tree.

Apply Drupal core patch to file_scan_directory function.

diff --git a/drupal/includes/file.inc b/drupal/includes/file.inc
index d3ac87e..d209e0a 100755
--- a/drupal/includes/file.inc
+++ b/drupal/includes/file.inc
@@ -2106,7 +2106,7 @@ function file_download_access($uri) {
 function file_scan_directory($dir, $mask, $options = array(), $depth = 0) {
   // Merge in defaults.
   $options += array(
-    'nomask' => '/(\.\.?|CVS)$/',
+    'nomask' => '/(\.\.?|CVS|node_modules)$/',
     'callback' => 0,
     'recurse' => TRUE,
     'key' => 'uri',

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