/usr/lib/ruby/vendor_ruby/ is in ruby-ridley 4.4.3-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/ridley/
/usr/lib/ruby/vendor_ruby/ridley/middleware/
/usr/lib/ruby/vendor_ruby/ridley/middleware/follow_redirects.rb
/usr/lib/ruby/vendor_ruby/ridley/middleware/chef_auth.rb
/usr/lib/ruby/vendor_ruby/ridley/middleware/parse_json.rb
/usr/lib/ruby/vendor_ruby/ridley/middleware/chef_response.rb
/usr/lib/ruby/vendor_ruby/ridley/mixin/
/usr/lib/ruby/vendor_ruby/ridley/mixin/checksum.rb
/usr/lib/ruby/vendor_ruby/ridley/mixin/params_validate.rb
/usr/lib/ruby/vendor_ruby/ridley/mixin/from_file.rb
/usr/lib/ruby/vendor_ruby/ridley/chef_objects/
/usr/lib/ruby/vendor_ruby/ridley/chef_objects/data_bag_item_obect.rb
/usr/lib/ruby/vendor_ruby/ridley/chef_objects/data_bag_object.rb
/usr/lib/ruby/vendor_ruby/ridley/chef_objects/client_object.rb
/usr/lib/ruby/vendor_ruby/ridley/chef_objects/environment_object.rb
/usr/lib/ruby/vendor_ruby/ridley/chef_objects/role_object.rb
/usr/lib/ruby/vendor_ruby/ridley/chef_objects/cookbook_object.rb
/usr/lib/ruby/vendor_ruby/ridley/chef_objects/user_object.rb
/usr/lib/ruby/vendor_ruby/ridley/chef_objects/sandbox_object.rb
/usr/lib/ruby/vendor_ruby/ridley/chef_objects/node_object.rb
/usr/lib/ruby/vendor_ruby/ridley/connection.rb
/usr/lib/ruby/vendor_ruby/ridley/errors.rb
/usr/lib/ruby/vendor_ruby/ridley/resources/
/usr/lib/ruby/vendor_ruby/ridley/resources/search_resource.rb
/usr/lib/ruby/vendor_ruby/ridley/resources/cookbook_resource.rb
/usr/lib/ruby/vendor_ruby/ridley/resources/client_resource.rb
/usr/lib/ruby/vendor_ruby/ridley/resources/sandbox_resource.rb
/usr/lib/ruby/vendor_ruby/ridley/resources/environment_resource.rb
/usr/lib/ruby/vendor_ruby/ridley/resources/node_resource.rb
/usr/lib/ruby/vendor_ruby/ridley/resources/data_bag_resource.rb
/usr/lib/ruby/vendor_ruby/ridley/resources/data_bag_item_resource.rb
/usr/lib/ruby/vendor_ruby/ridley/resources/role_resource.rb
/usr/lib/ruby/vendor_ruby/ridley/resources/user_resource.rb
/usr/lib/ruby/vendor_ruby/ridley/chef_object.rb
/usr/lib/ruby/vendor_ruby/ridley/sandbox_uploader.rb
/usr/lib/ruby/vendor_ruby/ridley/logger.rb
/usr/lib/ruby/vendor_ruby/ridley/client.rb
/usr/lib/ruby/vendor_ruby/ridley/chef/
/usr/lib/ruby/vendor_ruby/ridley/chef/chefignore.rb
/usr/lib/ruby/vendor_ruby/ridley/chef/cookbook/
/usr/lib/ruby/vendor_ruby/ridley/chef/cookbook/metadata.rb
/usr/lib/ruby/vendor_ruby/ridley/chef/cookbook/syntax_check.rb
/usr/lib/ruby/vendor_ruby/ridley/chef/cookbook.rb
/usr/lib/ruby/vendor_ruby/ridley/chef/digester.rb
/usr/lib/ruby/vendor_ruby/ridley/chef/config.rb
/usr/lib/ruby/vendor_ruby/ridley/logging.rb
/usr/lib/ruby/vendor_ruby/ridley/helpers.rb
/usr/lib/ruby/vendor_ruby/ridley/version.rb
/usr/lib/ruby/vendor_ruby/ridley/middleware.rb
/usr/lib/ruby/vendor_ruby/ridley/httpclient_ext.rb
/usr/lib/ruby/vendor_ruby/ridley/resources.rb
/usr/lib/ruby/vendor_ruby/ridley/resource.rb
/usr/lib/ruby/vendor_ruby/ridley/chef_objects.rb
/usr/lib/ruby/vendor_ruby/ridley/httpclient_ext/
/usr/lib/ruby/vendor_ruby/ridley/httpclient_ext/cookie.rb
/usr/lib/ruby/vendor_ruby/ridley/chef.rb
/usr/lib/ruby/vendor_ruby/ridley/mixin.rb
/usr/lib/ruby/vendor_ruby/ridley.rb