From 76a867fb4d7d91d48018a9c20cda910e990ba107 Mon Sep 17 00:00:00 2001
From: Adam Vandolder <adam.vandolder@gmail.com>
Date: Thu, 16 Oct 2025 20:07:24 +0000
Subject: [PATCH] Bug 1978237 - Check for null before attempting to get
 document URI when ScriptLoader is reporting to the console. r=dom-core,smaug
 a=pascalc DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D258259
---
 dom/script/ScriptLoader.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dom/script/ScriptLoader.cpp b/dom/script/ScriptLoader.cpp
index 297699a4b473..01be158035ec 100644
--- a/dom/script/ScriptLoader.cpp
+++ b/dom/script/ScriptLoader.cpp
@@ -4018,6 +4018,10 @@ void ScriptLoader::ReportErrorToConsole(ScriptLoadRequest* aRequest,
     return;
   }
 
+  if (!mDocument) {
+    return;
+  }
+
   bool isScript = !aRequest->IsModuleRequest();
   const char* message;
   if (aResult == NS_ERROR_MALFORMED_URI) {
@@ -4066,6 +4070,9 @@ void ScriptLoader::ReportErrorToConsole(ScriptLoadRequest* aRequest,
 void ScriptLoader::ReportWarningToConsole(
     ScriptLoadRequest* aRequest, const char* aMessageName,
     const nsTArray<nsString>& aParams) const {
+  if (!mDocument) {
+    return;
+  }
   uint32_t lineNo = aRequest->GetScriptLoadContext()->GetScriptLineNumber();
   JS::ColumnNumberOneOrigin columnNo =
       aRequest->GetScriptLoadContext()->GetScriptColumnNumber();