From e215580147861bed0ee61e3ece27d441c772e7d5 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sat, 18 Sep 2021 01:38:40 +0200
Subject: [PATCH] LibWeb: Don't attempt to run unparsed scripts

---
 Userland/Libraries/LibWeb/HTML/Scripting/ClassicScript.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Userland/Libraries/LibWeb/HTML/Scripting/ClassicScript.cpp b/Userland/Libraries/LibWeb/HTML/Scripting/ClassicScript.cpp
index d9385cca7d..978025641a 100644
--- a/Userland/Libraries/LibWeb/HTML/Scripting/ClassicScript.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Scripting/ClassicScript.cpp
@@ -59,6 +59,12 @@ NonnullRefPtr<ClassicScript> ClassicScript::create(String filename, StringView s
 // https://html.spec.whatwg.org/multipage/webappapis.html#run-a-classic-script
 JS::Value ClassicScript::run(RethrowErrors rethrow_errors)
 {
+    if (!m_script_record) {
+        // FIXME: Throw a SyntaxError per the spec.
+        dbgln("ClassicScript: Unable to run script {}", filename());
+        return {};
+    }
+
     dbgln("ClassicScript: Running script {}", filename());
     (void)rethrow_errors;