From a4b3eb6b2d23591f86cc2efd76c894520b93d071 Mon Sep 17 00:00:00 2001
From: Tom <tomut@yahoo.com>
Date: Thu, 31 Dec 2020 11:16:30 -0700
Subject: [PATCH] LibWeb: Clear circular download reference when download
 finished

---
 Libraries/LibWeb/Loader/ResourceLoader.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Libraries/LibWeb/Loader/ResourceLoader.cpp b/Libraries/LibWeb/Loader/ResourceLoader.cpp
index 4d3de8480a..30611c579d 100644
--- a/Libraries/LibWeb/Loader/ResourceLoader.cpp
+++ b/Libraries/LibWeb/Loader/ResourceLoader.cpp
@@ -184,7 +184,10 @@ void ResourceLoader::load(const LoadRequest& request, Function<void(ReadonlyByte
                     error_callback("HTTP load failed");
                 return;
             }
-            deferred_invoke([&](auto&) { const_cast<RefPtr<Protocol::Download>&>(download) = nullptr; });
+            deferred_invoke([download](auto&) {
+                // Clear circular reference of `download` captured by copy
+                const_cast<Protocol::Download&>(*download).on_buffered_download_finish = nullptr;
+            });
             success_callback(payload, response_headers);
         };
         download->set_should_buffer_all_input(true);