0ct0pu5/ladybird
1
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2024-12-04 05:20:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

LibWeb: Protect ad-hoc scroll against a potentially null paintable box

Browse source 
We perform such a check in other users of the paintable box in this file
as the box may be null before layout completes. This prevents UB seen in
some CI runs.
This commit is contained in:
Timothy Flynn 2023-10-24 11:32:48 -04:00 committed by Andreas Kling
parent 4db9996cc0
commit 4e0a926737
Notes: sideshowbarker 2024-07-17 02:05:41 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/SerenityOS/serenity/commit/4e0a926737
Pull-request: https://github.com/SerenityOS/serenity/pull/21574
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
Userland/Libraries/LibWeb/DOM/Element.cpp
View file

@ -1924,7 +1924,8 @@ HashMap<DeprecatedFlyString, CSS::StyleProperty> const& Element::custom_properti
void Element::scroll(double x, double y)
{
// AD-HOC:
paintable_box()->scroll_by(x, y);
if (auto* paintable_box = this->paintable_box())
paintable_box->scroll_by(x, y);
}
// https://drafts.csswg.org/cssom-view/#dom-element-scroll