Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: c782e71fab8929f1cec9efae8c7f4a39284cb794
https://github.com/WebKit/WebKit/commit/c782e71fab8929f1cec9efae8c7f4a39284cb794
Author: Abrar Rahman Protyasha <[email protected]>
Date: 2026-02-03 (Tue, 03 Feb 2026)
Changed paths:
M Source/WebCore/platform/graphics/ca/cocoa/PlatformCALayerCocoa.mm
Log Message:
-----------
REGRESSION (305692@main): [WK1] ASSERTION FAILED: Constant crash under
PlatformCALayerCocoa::shadowPath() on multiple tests
https://bugs.webkit.org/show_bug.cgi?id=306890
rdar://169548155
Reviewed by Wenson Hsieh, Alexey Proskuryakov, and Tim Horton.
At least the following tests:
- css3/filters/backdrop/backdrop-filter-with-reflection.html
- compositing/reflections/direct-image-object-fit-reflected.html
are crashing due to this assertion failure:
```
ASSERTION FAILED: m_platformPath
/Source/WebCore/platform/graphics/cg/PathCG.cpp(372) :
WebCore::PathCG::PathCG(RetainPtr<CGMutablePathRef> &&)
```
... following 305692@main. This assertion is harmless because it does
not hurt for us to clone a platform layer with a null shadow path.
However, PathCG construction has an existing assertion against null
CGPathRef arguments.
In this patch, we recover test coverage by simply not copying a shadow
path if the original platform layer's shadow path is nil.
* Source/WebCore/platform/graphics/ca/cocoa/PlatformCALayerCocoa.mm:
(WebCore::PlatformCALayerCocoa::clone const):
Canonical link: https://commits.webkit.org/306747@main
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