[Webkit-unassigned] [Bug 266263] New: Nullptr crash in RemoteLayerBackingStoreCollection::prepareBackingStoresForDisplay

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=266263

            Bug ID: 266263
           Summary: Nullptr crash in
                    RemoteLayerBackingStoreCollection::prepareBackingStore
                    sForDisplay
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mattwoodrow at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    webkit-bug-importer at group.apple.com, zalan at apple.com

The callback has WeakPtr<RemoteLayerBackingStore> objects and doesn't null check them.

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