From f3a7f815684aba15ff0c03660eb293f158c4f5dd Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Sun, 6 Dec 2020 16:39:20 +0100
Subject: [PATCH] src: guard against env != null in node_errors.cc
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Otherwise
`TriggerUncaughtException()`
→ `PrintException()`
→ `GetErrorSource()`
can crash.
---
 src/node_errors.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/node_errors.cc b/src/node_errors.cc
index dc6d20b500c655..5099ac03ddf7d6 100644
--- 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;
   }