[Webkit-unassigned] [Bug 194538] New: Crash in WebCore::ScrollingTree::updateTreeFromStateNode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=194538

            Bug ID: 194538
           Summary: Crash in
                    WebCore::ScrollingTree::updateTreeFromStateNode
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Scrolling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi

3 libsystem_c.dylib: abort
          3 libc++abi.dylib: abort_message
            3 libc++abi.dylib: __cxa_pure_virtual
       ==> 3 WebCore: WebCore::ScrollingTree::updateTreeFromStateNode(WebCore::ScrollingStateNode const*, WTF::HashMap<unsigned long long, WTF::RefPtr<WebCore::ScrollingTreeNode, WTF::DumbPtrTraits<WebCore::ScrollingTreeNode> >, WTF::IntHash<unsigned long long>, WTF::HashTraits<unsigned long long>, WTF::HashTraits<WTF::RefPtr<WebCore::ScrollingTreeNode, WTF::DumbPtrTraits<WebCore::ScrollingTreeNode> > > >&) <==
                3 WebCore: WebCore::ScrollingTree::updateTreeFromStateNode(WebCore::ScrollingStateNode const*, WTF::HashMap<unsigned long long, WTF::RefPtr<WebCore::ScrollingTreeNode, WTF::DumbPtrTraits<WebCore::ScrollingTreeNode> >, WTF::IntHash<unsigned long long>, WTF::HashTraits<unsigned long long>, WTF::HashTraits<WTF::RefPtr<WebCore::ScrollingTreeNode, WTF::DumbPtrTraits<WebCore::ScrollingTreeNode> > > >&)
                  pruning: 2 WebCore: WebCore::ScrollingTree::commitTreeState(std::__1::unique_ptr<WebCore::ScrollingStateTree, std::__1::default_delete<WebCore::ScrollingStateTree> >)
                  pruning: 1 WebCore: WebCore::ScrollingTree::updateTreeFromStateNode(WebCore::ScrollingStateNode const*, WTF::HashMap<unsigned long long, WTF::RefPtr<WebCore::ScrollingTreeNode, WTF::DumbPtrTraits<WebCore::ScrollingTreeNode> >, WTF::IntHash<unsigned long long>, WTF::HashTraits<unsigned long long>, WTF::HashTraits<WTF::RefPtr<WebCore::ScrollingTreeNode, WTF::DumbPtrTraits<WebCore::ScrollingTreeNode> > > >&)

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