Bug 266263

Summary: Nullptr crash in RemoteLayerBackingStoreCollection::prepareBackingStoresForDisplay
Product: WebKit Reporter: Matt Woodrow <mattwoodrow>
Component: Layout and RenderingAssignee: Matt Woodrow <mattwoodrow>
Status: RESOLVED FIXED    
Severity: Normal CC: bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Description Matt Woodrow 2023-12-11 17:13:14 PST 
The callback has WeakPtr<RemoteLayerBackingStore> objects and doesn't null check them.
Comment 1 Radar WebKit Bug Importer 2023-12-11 17:13:23 PST 
<rdar://problem/119526173>
Comment 2 Matt Woodrow 2023-12-11 18:27:41 PST 
Pull request: https://github.com/WebKit/WebKit/pull/21662
Comment 3 EWS 2023-12-11 21:43:20 PST 
Committed 271911@main (5061d1d61741): <https://commits.webkit.org/271911@main>

Reviewed commits have been landed. Closing PR #21662 and removing active labels.