Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: bb80551dbd88f20894255ac92baa7c438c6731c7
https://github.com/WebKit/WebKit/commit/bb80551dbd88f20894255ac92baa7c438c6731c7
Author: Erica Li <[email protected]>
Date: 2024-01-18 (Thu, 18 Jan 2024)
Changed paths:
A
LayoutTests/remote-layer-tree/image-buffer-backend-size-area-overflow-crash-expected.txt
A
LayoutTests/remote-layer-tree/image-buffer-backend-size-area-overflow-crash.html
M Source/WebKit/GPUProcess/graphics/RemoteRenderingBackend.cpp
M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStore.mm
Log Message:
-----------
CrashOnOverflow::crash() in
WebKit::RemoteLayerBackingStore::supportsPartialRepaint() const + 0
(RemoteLayerBackingStore.mm:303).
https://bugs.webkit.org/show_bug.cgi?id=267635
rdar://120842299
Reviewed by Kimmo Kinnunen.
Adding overflow check to where ImageBuffer::calculateBackendSize is used to
calcuate area as it is not safe (casting FloatSize to IntSize).
*
LayoutTests/remote-layer-tree/image-buffer-backend-size-area-overflow-crash-expected.txt:
Added.
*
LayoutTests/remote-layer-tree/image-buffer-backend-size-area-overflow-crash.html:
Added.
* Source/WebKit/GPUProcess/graphics/RemoteRenderingBackend.cpp:
(WebKit::isSmallLayerBacking):
* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStore.mm:
(WebKit::RemoteLayerBackingStore::supportsPartialRepaint const):
Canonical link: https://commits.webkit.org/273174@main
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