Merge pull request #3844 from fluent/issue3627-plug-fd-leak

child_process: Plug file descriptor leak
fluent · Aug 10, 2022 · acfbb09 · acfbb09
2 parents 0ee8322 + 788cf89
commit acfbb09
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/fluent/plugin_helper/child_process.rb b/lib/fluent/plugin_helper/child_process.rb
@@ -346,6 +346,9 @@ def child_process_execute_once(
           if cb
             cb.call(process_info.exit_status) rescue nil
           end
+          process_info.readio&.close rescue nil
+          process_info.writeio&.close rescue nil
+          process_info.stderrio&.close rescue nil
         end
         thread[:_fluentd_plugin_helper_child_process_running] = true
         thread[:_fluentd_plugin_helper_child_process_pid] = pid