Fix memory stress stop crash

Author: FaulMit

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## 1.0.3 - 2026-04-19
+
+### Fixed
+
+- Fixed a packaged desktop crash when stopping memory stress after the worker IPC channel had already closed.
+- Memory stress shutdown now uses the same safe child-process cleanup path as CPU stress.
+
 ## 1.0.2 - 2026-04-18
 
 ### Fixed

README.md

@@ -11,7 +11,7 @@
 </p>
 
 <p align="center">
-  <a href="https://github.com/FaulMit/rigscope/releases/latest"><img alt="Latest release" src="https://img.shields.io/badge/release-v1.0.2-54d6ff?style=for-the-badge"></a>
+  <a href="https://github.com/FaulMit/rigscope/releases/latest"><img alt="Latest release" src="https://img.shields.io/badge/release-v1.0.3-54d6ff?style=for-the-badge"></a>
   <a href="https://github.com/FaulMit/rigscope/actions/workflows/release.yml"><img alt="Release builds" src="https://img.shields.io/badge/builds-passing-8dff9f?style=for-the-badge"></a>
   <img alt="Platforms" src="https://img.shields.io/badge/Windows%20%7C%20Linux%20%7C%20macOS-111?style=for-the-badge">
   <img alt="Local first" src="https://img.shields.io/badge/local--first-127.0.0.1-54d6ff?style=for-the-badge">

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "rigscope",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "description": "Cross-platform local hardware inventory, diagnostics, benchmark, and stress-test dashboard.",
   "main": "electron/main.js",

package.json

@@ -1157,15 +1157,14 @@ function stopMemoryStress(reason = "stopped") {
   }
   memoryStress.active = false;
   clearTimeout(memoryStress.timer);
-  if (memoryStress.child) {
-    try { memoryStress.child.send("stop"); } catch {}
+  const child = memoryStress.child;
+  memoryStress.child = null;
+  if (child) {
+    safeSendChildMessage(child, "stop");
     setTimeout(() => {
-      if (memoryStress.child && !memoryStress.child.killed) {
-        try { memoryStress.child.kill(); } catch {}
-      }
+      safeKillChild(child);
     }, 500).unref();
   }
-  memoryStress.child = null;
   return memoryStressStatus(reason);
 }
 
@@ -1201,6 +1200,11 @@ function startMemoryStress({ durationSec = 60, targetMb } = {}) {
   });
   child.on("exit", () => {
     if (memoryStress.active) memoryStress.active = false;
+    if (memoryStress.child === child) memoryStress.child = null;
+  });
+  child.on("error", () => {
+    if (memoryStress.active) memoryStress.active = false;
+    if (memoryStress.child === child) memoryStress.child = null;
   });
   memoryStress.timer = setTimeout(() => stopMemoryStress("completed"), memoryStress.durationMs);
   memoryStress.timer.unref();