A stale layout root is set as an input element in WebKit in Google Chrome before Blink M13 when a child of a keygen with autofocus is accessed.
[
{
"product": "Chrome",
"vendor": "Google",
"versions": [
{
"status": "affected",
"version": "before Blink M13"
}
]
}
]
code.google.com/p/chromium/issues/detail?id=82063
trac.webkit.org/browser/trunk/Source/WebCore/rendering/RenderObject.h?rev=86705#L1044
trac.webkit.org/changeset/86976
trac.webkit.org/changeset/90568
trac.webkit.org/changeset/90848
bugs.chromium.org/p/chromium/issues/detail?id=83672
bugs.webkit.org/show_bug.cgi?id=57091