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node-api: fix crash in finalization #37876

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Mar 24, 2021
Merged

node-api: fix crash in finalization #37876

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7 changes: 5 additions & 2 deletions src/js_native_api_v8.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -374,8 +374,11 @@ class Reference : public RefBase {
inline void Finalize(bool is_env_teardown = false) override {
// 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 (is_env_teardown) _persistent.ClearWeak();
// `Finalize()`, so let's reset the persistent here if nothing is
// keeping it alive.
if (is_env_teardown && _persistent.IsWeak()) {
_persistent.ClearWeak();
}

// Chain up to perform the rest of the finalization.
RefBase::Finalize(is_env_teardown);
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