Ticket #36534: 36534.diff

src/wp-includes/class-wp-image-editor-imagick.php

@@ -68 +68 @@
                         'setimagecompressionquality',
                         'setimagepage',
                         'setoption',
+                        'setresourcelimit',
                         'scaleimage',
                         'cropimage',
                         'rotateimage',
@@ -157 +158 @@
                         return new WP_Error( 'invalid_image', $e->getMessage(), $this->file );
                 }
 
+                // Limit Imagick to only use 1 thread to avoid memory issues with OpenMP
+                $this->image->setResourceLimit( 6, 1 );
+
                 $updated_size = $this->update_size();
                 if ( is_wp_error( $updated_size ) ) {
                         return $updated_size;