[Webkit-unassigned] [Bug 184884] Crash in WebCore::Node::lastChild while running ReplaceSelectionCommand::doApply

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Apr 23 21:41:39 PDT 2018


Fujii Hironori <Hironori.Fujii at sony.com> changed:

           What    |Removed                     |Added
                 CC|                            |Hironori.Fujii at sony.com

--- Comment #1 from Fujii Hironori <Hironori.Fujii at sony.com> ---
According to the bt,

> insertedNodes = {m_firstNodeInserted = {static isRefPtr = <optimized out>, m_ptr = 0x7fa803ef2ae0}, m_lastNodeInserted = {static isRefPtr = <optimized out>, m_ptr = 0x0}}

m_firstNodeInserted is not null, but m_lastNodeInserted is null.
This must not happen. Both should be null or non-null.

There is an unresolved bug in InsertedNodes::willRemoveNodePreservingChildren (Bug 182784) which can cause such inconsistency.
I'm not confident it is relevant.

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