From 3421d7f5a1ed7ec5d19d01f8edda434ab17ae2c8 Mon Sep 17 00:00:00 2001
From: wwq <wangwenquan3@huawei.com>
Date: Mon, 2 Sep 2024 20:41:32 +0800
Subject: [PATCH] Prevent OH_JSVM_Init reentrancy

Signed-off-by: wwq <wangwenquan3@huawei.com>
---
 src/js_native_api_v8.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/js_native_api_v8.cc b/src/js_native_api_v8.cc
index e8a24ce8d..0b9053263 100644
--- a/src/js_native_api_v8.cc
+++ b/src/js_native_api_v8.cc
@@ -1,5 +1,6 @@
 #include <unistd.h>
 #include <algorithm>
+#include <atomic>
 #include <climits>  // INT_MAX
 #include <cmath>
 #include "v8-debug.h"
@@ -1349,6 +1350,11 @@ v8::Platform* JSVM_Env__::platform() {
 
 JSVM_Status JSVM_CDECL
 OH_JSVM_Init(const JSVM_InitOptions* options) {
+  static std::atomic<bool> initialized(false);
+  if (initialized.load()) {
+    return JSVM_GENERIC_FAILURE;
+  }
+  initialized.store(true);
 #ifdef TARGET_OHOS
   v8impl::ResourceSchedule::ReportKeyThread(getuid(), getprocpid(), getproctid(),
     v8impl::ResourceSchedule::ResType::ThreadRole::IMPORTANT_DISPLAY);
-- 
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