/usr/lib/ruby/vendor_ruby/ is in ruby-fission 0.5.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/fission.rb
/usr/lib/ruby/vendor_ruby/fission/
/usr/lib/ruby/vendor_ruby/fission/command_line_parser.rb
/usr/lib/ruby/vendor_ruby/fission/vm.rb
/usr/lib/ruby/vendor_ruby/fission/action/
/usr/lib/ruby/vendor_ruby/fission/action/snapshot/
/usr/lib/ruby/vendor_ruby/fission/action/snapshot/creator.rb
/usr/lib/ruby/vendor_ruby/fission/action/snapshot/deleter.rb
/usr/lib/ruby/vendor_ruby/fission/action/snapshot/reverter.rb
/usr/lib/ruby/vendor_ruby/fission/action/snapshot/lister.rb
/usr/lib/ruby/vendor_ruby/fission/action/vm/
/usr/lib/ruby/vendor_ruby/fission/action/vm/deleter.rb
/usr/lib/ruby/vendor_ruby/fission/action/vm/suspender.rb
/usr/lib/ruby/vendor_ruby/fission/action/vm/stopper.rb
/usr/lib/ruby/vendor_ruby/fission/action/vm/cloner.rb
/usr/lib/ruby/vendor_ruby/fission/action/vm/starter.rb
/usr/lib/ruby/vendor_ruby/fission/action/vm/lister.rb
/usr/lib/ruby/vendor_ruby/fission/action/shell_executor.rb
/usr/lib/ruby/vendor_ruby/fission/response.rb
/usr/lib/ruby/vendor_ruby/fission/command.rb
/usr/lib/ruby/vendor_ruby/fission/config.rb
/usr/lib/ruby/vendor_ruby/fission/core_ext/
/usr/lib/ruby/vendor_ruby/fission/core_ext/object.rb
/usr/lib/ruby/vendor_ruby/fission/core_ext/class.rb
/usr/lib/ruby/vendor_ruby/fission/core_ext/file.rb
/usr/lib/ruby/vendor_ruby/fission/fusion.rb
/usr/lib/ruby/vendor_ruby/fission/command/
/usr/lib/ruby/vendor_ruby/fission/command/snapshot_create.rb
/usr/lib/ruby/vendor_ruby/fission/command/status.rb
/usr/lib/ruby/vendor_ruby/fission/command/suspend.rb
/usr/lib/ruby/vendor_ruby/fission/command/delete.rb
/usr/lib/ruby/vendor_ruby/fission/command/stop.rb
/usr/lib/ruby/vendor_ruby/fission/command/start.rb
/usr/lib/ruby/vendor_ruby/fission/command/snapshot_revert.rb
/usr/lib/ruby/vendor_ruby/fission/command/info.rb
/usr/lib/ruby/vendor_ruby/fission/command/clone.rb
/usr/lib/ruby/vendor_ruby/fission/command/snapshot_delete.rb
/usr/lib/ruby/vendor_ruby/fission/command/snapshot_list.rb
/usr/lib/ruby/vendor_ruby/fission/metadata.rb
/usr/lib/ruby/vendor_ruby/fission/command_helpers.rb
/usr/lib/ruby/vendor_ruby/fission/vm_configuration.rb
/usr/lib/ruby/vendor_ruby/fission/ui.rb
/usr/lib/ruby/vendor_ruby/fission/lease.rb
/usr/lib/ruby/vendor_ruby/fission/version.rb
/usr/lib/ruby/vendor_ruby/fission/cli.rb