/usr/lib/ruby/ is in ruby-azure-mgmt-locks 0.8.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/azure_mgmt_locks.rb
/usr/lib/ruby/vendor_ruby/generated/
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_locks/
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_locks/management_lock_client.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_locks/management_locks.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_locks/models/
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_locks/models/lock_level.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_locks/models/management_lock_list_result.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_locks/models/management_lock_object.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_locks/models/management_lock_owner.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_locks/module_definition.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_locks/version.rb
/usr/lib/ruby/vendor_ruby/generated/azure_mgmt_locks.rb