From 5cc18edbf7ac2b1a833dc5da60d2a8bde742cb66 Mon Sep 17 00:00:00 2001
From: Songstats Audit <audit@songstats.local>
Date: Sat, 29 Aug 2026 22:20:15 +0200
Subject: [PATCH] Close duplex pipe when process launch fails

---
 lib/childprocess/process_spawn_process.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/childprocess/process_spawn_process.rb b/lib/childprocess/process_spawn_process.rb
index 11bd3a6..f1b22c6 100644
--- a/lib/childprocess/process_spawn_process.rb
+++ b/lib/childprocess/process_spawn_process.rb
@@ -54,6 +54,7 @@ def launch_process
       options[:out] = io.stdout ? io.stdout.fileno : File::NULL
       options[:err] = io.stderr ? io.stderr.fileno : File::NULL
 
+      reader = writer = nil
       if duplex?
         reader, writer = ::IO.pipe
         options[:in] = reader.fileno
@@ -86,6 +87,11 @@ def launch_process
         @pid = ::Process.spawn(environment, *args, options)
       rescue SystemCallError => e
         raise LaunchError, e.message
+      ensure
+        unless @pid
+          reader&.close
+          writer&.close
+        end
       end
 
       if duplex?