[Webkit-unassigned] [Bug 205132] Null Ptr Deref @ WTF::TypeCastTraits<WebCore::HTMLTextFormControlElement const, WebCore::Element const, false>::isType

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=205132

--- Comment #1 from Jack <shihchieh_lee at apple.com> ---
Root cause:
In function TextControlInnerTextElement::resolveCustomStyle, shadowHost() returns null because IsShadowRootFlag is not set for treeScope().rootNode().

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