From ad929c5dd573ef5f9524592bbd89098e9b84707c Mon Sep 17 00:00:00 2001
From: FranklinDM <mrmineshafter17@gmail.com>
Date: Sun, 5 Mar 2023 07:40:25 +0800
Subject: [PATCH] Issue #2135 - Follow-up: Fix potential crash if shadow root
 is null

---
 dom/base/DocumentOrShadowRoot.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dom/base/DocumentOrShadowRoot.cpp b/dom/base/DocumentOrShadowRoot.cpp
index 876d265cc1..f420ff6a28 100644
--- a/dom/base/DocumentOrShadowRoot.cpp
+++ b/dom/base/DocumentOrShadowRoot.cpp
@@ -277,7 +277,9 @@ DocumentOrShadowRoot::ElementsFromPointHelper(float aX, float aY,
       node = node->GetParent();
       if (node) {
         ShadowRoot* shadow = ShadowRoot::FromNode(node);
-        node = shadow->Host();
+        if (shadow) {
+          node = shadow->Host();
+        }
       }
     }