Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: f382be44f6ec4f9d5a719a183c70b2e9aaa41254
https://github.com/WebKit/WebKit/commit/f382be44f6ec4f9d5a719a183c70b2e9aaa41254
Author: Nisha Jain <[email protected]>
Date: 2024-03-26 (Tue, 26 Mar 2024)
Changed paths:
A LayoutTests/fast/rendering/render-compositor-null-layer-crash-expected.txt
A LayoutTests/fast/rendering/render-compositor-null-layer-crash.html
M Source/WebCore/rendering/RenderLayerCompositor.cpp
Log Message:
-----------
NULL pointer : crash under
RenderLayerCompositor::scrollableAreaForScrollingNodeID()
https://bugs.webkit.org/show_bug.cgi?id=265820
rdar://118424482.
Reviewed by Simon Fraser.
Null RenderLayer pointer in
RenderLayerCompositor::scrollableAreaForScrollingNodeID().
As the RenderLayerCompositor has a HashMap which provides a WeakPtr to
RenderLayer but the validity
of this object is not checked before using.
* LayoutTests/fast/rendering/render-compositor-null-layer-crash-expected.txt:
Added test expected file.
* LayoutTests/fast/rendering/render-compositor-null-layer-crash.html: Added
test case.
* Source/WebCore/rendering/RenderLayerCompositor.cpp:
(WebCore::RenderLayerCompositor::scrollableAreaForScrollingNodeID const):
Checked validity of WeakPtr to RenderLayer before accessing it.
Originally-landed-as: 272448.252@safari-7618-branch (a7977801dff3).
rdar://124556059
Canonical link: https://commits.webkit.org/276701@main
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