/usr/lib/ruby/vendor_ruby/ is in ruby-compat-resource 12.10.5-1.
This file is owned by root:root, with mode 0o755.
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/usr/lib/ruby/vendor_ruby/chef_compat/
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/constants.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/delayed_evaluator.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/dsl/
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/dsl/core.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/dsl/declare_resource.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/dsl/recipe.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/mixin/
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/mixin/lazy_module_include.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/mixin/notifying_block.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/mixin/params_validate.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/mixin/powershell_out.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/mixin/properties.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/property.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/provider/
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/provider/noop.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/provider.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/resource/
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/resource/action_class.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/resource.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef/chef/resource_builder.rb
/usr/lib/ruby/vendor_ruby/chef_compat/copied_from_chef.rb
/usr/lib/ruby/vendor_ruby/chef_compat/mixin/
/usr/lib/ruby/vendor_ruby/chef_compat/mixin/properties.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/exceptions.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/log.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/mixin/
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/mixin/params_validate.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/property.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/provider.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/recipe.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/resource/
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/resource/lwrp_base.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/resource.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/resource_builder.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/resource_collection/
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/resource_collection/resource_list.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/resource_collection/resource_set.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/resource_collection.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/run_context.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef/runner.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches/chef.rb
/usr/lib/ruby/vendor_ruby/chef_compat/monkeypatches.rb
/usr/lib/ruby/vendor_ruby/chef_compat/property.rb
/usr/lib/ruby/vendor_ruby/chef_compat/recipe.rb
/usr/lib/ruby/vendor_ruby/chef_compat/resource/
/usr/lib/ruby/vendor_ruby/chef_compat/resource/lwrp_base.rb
/usr/lib/ruby/vendor_ruby/chef_compat/resource.rb
/usr/lib/ruby/vendor_ruby/compat_resource/
/usr/lib/ruby/vendor_ruby/compat_resource/gemspec.rb
/usr/lib/ruby/vendor_ruby/compat_resource/version.rb
/usr/lib/ruby/vendor_ruby/compat_resource.rb