/usr/lib/ruby/vendor_ruby/ is in puppet-lint 0.3.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/puppet-lint/
/usr/lib/ruby/vendor_ruby/puppet-lint/configuration.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/version.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/lexer.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/plugins/
/usr/lib/ruby/vendor_ruby/puppet-lint/plugins/check_resources.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/plugins/check_strings.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/plugins/check_comments.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/plugins/check_classes.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/plugins/check_documentation.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/plugins/check_whitespace.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/plugins/check_variables.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/plugins/check_conditionals.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/lexer/
/usr/lib/ruby/vendor_ruby/puppet-lint/lexer/token.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/plugin.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/bin.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/tasks/
/usr/lib/ruby/vendor_ruby/puppet-lint/tasks/puppet-lint.rb
/usr/lib/ruby/vendor_ruby/puppet-lint/plugins.rb
/usr/lib/ruby/vendor_ruby/puppet-lint.rb