src: guard against env != null in node_errors.cc

Otherwise `TriggerUncaughtException()` → `PrintException()` → `GetErrorSource()` can crash.
nodejs · Dec 6, 2020 · f3a7f81 · f3a7f81
1 parent 20de5f7
commit f3a7f81
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/node_errors.cc b/src/node_errors.cc
@@ -63,7 +63,7 @@ static std::string GetErrorSource(Isolate* isolate,
   Environment* env = Environment::GetCurrent(isolate);
   const bool has_source_map_url =
       !message->GetScriptOrigin().SourceMapUrl().IsEmpty();
-  if (has_source_map_url && env->source_maps_enabled()) {
+  if (has_source_map_url && env != nullptr && env->source_maps_enabled()) {
     return sourceline;
   }