Changeset 42801 for trunk/src/wp-includes/functions.php

Timestamp:

03/08/2018 07:31:59 PM (7 years ago)

Author:

SergeyBiryukov

Message:

Filesystem API: Avoid an infinite loop in wp_mkdir_p() when trying to determine the parent folder with open_basedir restriction in effect.

Props soulseekah, 1265578519-1.
Fixes #43417.

File:

• trunk/src/wp-includes/functions.php (modified) (1 diff)

trunk/src/wp-includes/functions.php

@@ -1680 +1680 @@
     // We need to find the permissions of the parent folder that exists and inherit that.
     $target_parent = dirname( $target );
-    while ( '.' != $target_parent && ! is_dir( $target_parent ) ) {
+    while ( '.' != $target_parent && ! is_dir( $target_parent ) && dirname( $target_parent ) !== $target_parent ) {
         $target_parent = dirname( $target_parent );
     }