From fe0f0b0acfad80bc89f66028b5767df124d9d7e5 Mon Sep 17 00:00:00 2001
From: Simon Wanner <skyrising@pvpctutorials.de>
Date: Sun, 3 Apr 2022 21:42:50 +0200
Subject: [PATCH] LibWeb: Add a null-check for page() in
 ESO::is_scripting_enabled()

This could lead to a crash when spamming reload on a page with a
<script> element.
---
 Userland/Libraries/LibWeb/HTML/Scripting/Environments.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibWeb/HTML/Scripting/Environments.cpp b/Userland/Libraries/LibWeb/HTML/Scripting/Environments.cpp
index 658f635bf36..23abf2c1f86 100644
--- a/Userland/Libraries/LibWeb/HTML/Scripting/Environments.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Scripting/Environments.cpp
@@ -247,7 +247,7 @@ bool EnvironmentSettingsObject::is_scripting_enabled() const
     // The user has not disabled scripting for settings at this time. (User agents may provide users with the option to disable scripting globally, or in a finer-grained manner, e.g., on a per-origin basis, down to the level of individual environment settings objects.)
     auto document = const_cast<EnvironmentSettingsObject&>(*this).responsible_document();
     VERIFY(document);
-    if (!document->window().page()->is_scripting_enabled())
+    if (!document->page() || !document->page()->is_scripting_enabled())
         return false;
 
     // FIXME: Either settings's global object is not a Window object, or settings's global object's associated Document's active sandboxing flag set does not have its sandboxed scripts browsing context flag set.