From fc20e833ca6319da8c553c2a49502068efab3949 Mon Sep 17 00:00:00 2001
From: James M Snell <jasnell@gmail.com>
Date: Thu, 15 Apr 2021 09:05:48 -0700
Subject: [PATCH] src: fix finalization crash

PR-URL: https://github.com/nodejs/node/pull/38250
Fixes: https://github.com/nodejs/node/issues/38040
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
---
 src/js_native_api_v8.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/js_native_api_v8.cc b/src/js_native_api_v8.cc
index 664aa2d41bbc98..54bcf2e9715a0a 100644
--- a/src/js_native_api_v8.cc
+++ b/src/js_native_api_v8.cc
@@ -372,6 +372,9 @@ class Reference : public RefBase {
 
  protected:
   inline void Finalize(bool is_env_teardown = false) override {
+    if (is_env_teardown) env_teardown_finalize_started_ = true;
+    if (!is_env_teardown && env_teardown_finalize_started_) return;
+
     // During env teardown, `~napi_env()` alone is responsible for finalizing.
     // Thus, we don't want any stray gc passes to trigger a second call to
     // `Finalize()`, so let's reset the persistent here if nothing is
@@ -405,6 +408,7 @@ class Reference : public RefBase {
     data.GetParameter()->Finalize();
   }
 
+  bool env_teardown_finalize_started_ = false;
   v8impl::Persistent<v8::Value> _persistent;
 };