From 6bbf2a57fcf33266c5859497f8cc32e1389a358a Mon Sep 17 00:00:00 2001
From: Feng Yu <F3n67u@outlook.com>
Date: Mon, 15 May 2023 02:24:15 -0700
Subject: vm: fix crash when setting __proto__ on context's globalThis

PR-URL: https://github.com/nodejs/node/pull/47939
Reviewed-By: Zeyu "Alex" Yang <himself65@outlook.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
---
 src/node_contextify.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/node_contextify.cc b/src/node_contextify.cc
index 7f9f71ba74..eb84d35985 100644
--- a/src/node_contextify.cc
+++ b/src/node_contextify.cc
@@ -530,7 +530,8 @@ void ContextifyContext::PropertySetterCallback(
   if (is_declared_on_sandbox &&
       ctx->sandbox()
           ->GetOwnPropertyDescriptor(context, property)
-          .ToLocal(&desc)) {
+          .ToLocal(&desc) &&
+      !desc->IsUndefined()) {
     Environment* env = Environment::GetCurrent(context);
     Local<Object> desc_obj = desc.As<Object>();
 
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