From c9815ef2c75e97f3b9d240dfc29a8e6d2c4c54c6 Mon Sep 17 00:00:00 2001
From: James Ring <sjr@jdns.org>
Date: Mon, 16 Mar 2026 19:39:08 -0700
Subject: [PATCH] fix msan errors (#3724)

Mark argv as initialized so that msan doesn't complain
---
 core/iwasm/aot/aot_runtime.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/iwasm/aot/aot_runtime.c b/core/iwasm/aot/aot_runtime.c
index fa3212dfa..13651805d 100644
--- a/core/iwasm/aot/aot_runtime.c
+++ b/core/iwasm/aot/aot_runtime.c
@@ -3267,6 +3267,10 @@ aot_invoke_native(WASMExecEnv *exec_env, uint32 func_idx, uint32 argc,
     bool ret = false;
     bh_assert(func_idx < aot_module->import_func_count);
 
+#if __has_feature(memory_sanitizer)
+#include <sanitizer/msan_interface.h>
+    __msan_unpoison(argv, (sizeof(uint32) * argc));
+#endif
     import_func = aot_module->import_funcs + func_idx;
     if (import_func->call_conv_wasm_c_api)
         func_ptr =