From 8a21d95ea3127b5e3cd91bb82fcca342f9ff4768 Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Fri, 25 Apr 2025 09:34:34 +0200
Subject: [PATCH] No issue - restore nullptr-check

---
 layout/generic/nsImageMap.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/layout/generic/nsImageMap.cpp b/layout/generic/nsImageMap.cpp
index 2a0a09025f..8f306ccba8 100644
--- a/layout/generic/nsImageMap.cpp
+++ b/layout/generic/nsImageMap.cpp
@@ -825,6 +825,10 @@ nsImageMap::AddArea(HTMLAreaElement* aArea)
     MOZ_ASSERT_UNREACHABLE("FindAttrValueIn returned an unexpected value.");
     break;
   }
+  if (!area) {
+    // Possibly OOM, or invalid attr (does not assert in release); early exit
+    return;
+  }
 
   //Add focus listener to track area focus changes
   aArea->AddSystemEventListener(NS_LITERAL_STRING("focus"), this, false, false);