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Ticket #51857: 51857.diff

File 51857.diff, 513 bytes (added by afragen, 5 years ago)
In `copy_dir()` check `$wp_filesystem->dirlist()` and return `WP_Error` if false

diff --git a/wp-admin/includes/file.php b/wp-admin/includes/file.php
index 993635e460..954863a480 100644

  function copy_dir( $from, $to, $skip_list = array() ) {
         $dirlist = $wp_filesystem->dirlist( $from );
+        if ( ! $dirlist ) {
+                return new WP_Error( 'dirlist_failed_copy_dir', __( 'Directory listing failed.' ), $wp_filesystem->method );
+        }
         $from = trailingslashit( $from );
         $to   = trailingslashit( $to );