Fix UAF in test VerifyDuplicateQueueHandle

jhugard · jhugard · commit eab8695649ed · 2026-02-17T14:00:07.000-08:00
diff --git a/Tests/UnitTests/Tests/TaskQueueTests.cpp b/Tests/UnitTests/Tests/TaskQueueTests.cpp
@@ -216,7 +216,8 @@ DEFINE_TEST_CLASS(TaskQueueTests)
             XTaskQueueCloseHandle(dups[idx]);
         }
 
-        VERIFY_FAILED(XTaskQueueDuplicateHandle(dups[0], &dups[1]));
+        alignas(void*) uint8_t fakeHandleStorage[64] = {};
+        VERIFY_FAILED(XTaskQueueDuplicateHandle(reinterpret_cast<XTaskQueueHandle>(fakeHandleStorage), &dups[1]));
         XTaskQueueCloseHandle(queue);
     }
 

Original file line number	Diff line number	Diff line change
`@@ -216,7 +216,8 @@ DEFINE_TEST_CLASS(TaskQueueTests)`
`216`	`216`	`XTaskQueueCloseHandle(dups[idx]);`
`217`	`217`	`}`
`218`	`218`
`219`		`- VERIFY_FAILED(XTaskQueueDuplicateHandle(dups[0], &dups[1]));`
	`219`	`+ alignas(void*) uint8_t fakeHandleStorage[64] = {};`
	`220`	`+ VERIFY_FAILED(XTaskQueueDuplicateHandle(reinterpret_cast<XTaskQueueHandle>(fakeHandleStorage), &dups[1]));`
`220`	`221`	`XTaskQueueCloseHandle(queue);`
`221`	`222`	`}`
`222`	`223`