Changeset 42804

Timestamp:

03/08/2018 07:44:10 PM (9 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.
Merges [42801] to the 4.9 branch.
Fixes #43417.

Location:

branches/4.9

Files:

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

branches/4.9/src/wp-includes/functions.php

@@ -1616 +1616 @@
         // 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 );
         }