From 83b0613c688bd943e58c86bdaae177ca24f252ee Mon Sep 17 00:00:00 2001 From: Aliaksandr Kalenik Date: Tue, 7 Feb 2023 01:33:10 +0300 Subject: [PATCH] LibWeb: Null check `nearest_sibling` in `generate_missing_parents` Caught by AddressSanitizer. --- Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp b/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp index d3f89c4c5e..87784458f6 100644 --- a/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp +++ b/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp @@ -606,7 +606,11 @@ void TreeBuilder::generate_missing_parents(NodeWithStyle& root) parent.remove_child(*table_box); wrapper->append_child(*table_box); - parent.insert_before(*wrapper, *nearest_sibling); + + if (nearest_sibling) + parent.insert_before(*wrapper, *nearest_sibling); + else + parent.append_child(*wrapper); } }