[Webkit-unassigned] [Bug 219478] New: GPU Process: Crash under ~RemoteLayerBackingStore call to flushDrawingContext()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=219478

            Bug ID: 219478
           Summary: GPU Process: Crash under ~RemoteLayerBackingStore call
                    to flushDrawingContext()
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: thorton at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

void WebCore::DisplayList::ItemBuffer::append<WebCore::DisplayList::FlushContext, WTF::ObjectIdentifier<WebCore::DisplayList::FlushIdentifierType>&>(WTF::ObjectIdentifier<WebCore::DisplayList::FlushIdentifierType>&) + 64
void WebCore::DisplayList::ItemBuffer::append<WebCore::DisplayList::FlushContext, WTF::ObjectIdentifier<WebCore::DisplayList::FlushIdentifierType>&>(WTF::ObjectIdentifier<WebCore::DisplayList::FlushIdentifierType>&) + 52
WebKit::RemoteImageBufferProxy<WebKit::ImageBufferShareableIOSurfaceBackend>::flushDrawingContextAndCommit() + 100
WebKit::RemoteImageBufferProxy<WebKit::ImageBufferShareableIOSurfaceBackend>::flushDrawingContext() + 76
WebKit::RemoteImageBufferProxy<WebKit::ImageBufferShareableIOSurfaceBackend>::~RemoteImageBufferProxy() + 108
WebKit::RemoteImageBufferProxy<WebKit::ImageBufferShareableIOSurfaceBackend>::~RemoteImageBufferProxy() + 16
WebKit::RemoteLayerBackingStore::~RemoteLayerBackingStore() + 40
std::__1::unique_ptr<WebKit::RemoteLayerBackingStore, std::__1::default_delete<WebKit::RemoteLayerBackingStore> >::reset(WebKit::RemoteLayerBackingStore*) + 32
WebCore::GraphicsLayerCA::updateCoverage(WebCore::GraphicsLayerCA::CommitState const&) + 168
WebCore::GraphicsLayerCA::commitLayerChangesBeforeSublayers(WebCore::GraphicsLayerCA::CommitState&, float, WebCore::FloatPoint const&, bool&) + 1376
WebCore::GraphicsLayerCA::recursiveCommitChanges(WebCore::GraphicsLayerCA::CommitState&, WebCore::TransformState const&, float, WebCore::FloatPoint const&, bool) + 528
WebCore::GraphicsLayerCA::recursiveCommitChanges(WebCore::GraphicsLayerCA::CommitState&, WebCore::TransformState const&, float, WebCore::FloatPoint const&, bool) + 676
WebCore::GraphicsLayerCA::recursiveCommitChanges(WebCore::GraphicsLayerCA::CommitState&, WebCore::TransformState const&, float, WebCore::FloatPoint const&, bool) + 676

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