From dfad2d4c13d62d5221f8792ec7ca14a2378a0b17 Mon Sep 17 00:00:00 2001
From: Luke Wilde <lukew@serenityos.org>
Date: Sat, 5 Nov 2022 15:14:05 +0000
Subject: [PATCH] LibWeb: Check that there's a head element before looking for
 favicons

---
 Userland/Libraries/LibWeb/DOM/Document.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibWeb/DOM/Document.cpp b/Userland/Libraries/LibWeb/DOM/Document.cpp
index f05487d8a3..6362a06d5f 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Document.cpp
@@ -1963,7 +1963,10 @@ void Document::check_favicon_after_loading_link_resource()
 {
     // https://html.spec.whatwg.org/multipage/links.html#rel-icon
     // NOTE: firefox also load favicons outside the head tag, which is against spec (see table 4.6.7)
-    auto head_element = head();
+    auto* head_element = head();
+    if (!head_element)
+        return;
+
     auto favicon_link_elements = HTMLCollection::create(*head_element, [](Element const& element) {
         if (!is<HTML::HTMLLinkElement>(element))
             return false;