Created attachment 602707 [details] testcase ###!!! ASSERTION: Only expecting ignoreViewportScrolling for root frames and for image documents.: '!aFrame->GetParent() || (doc && doc->IsBeingUsedAsImage())', file layout/base/nsLayoutUtils.cpp, line 1656 The assertion introduced/modified in http://hg.mozilla.org/mozilla-central/rev/762e8424548c
Which fuzzer XPI do I need to install for fuzzPriv.callDrawWindow()? (I tried https://www.squarefree.com/extensions/domFuzzLite2.xpi but it still said "fuzzPriv.callDrawWindow is not a function")
(In reply to Jesse Ruderman from comment #0) > The assertion introduced/modified in > http://hg.mozilla.org/mozilla-central/rev/762e8424548c For the record -- that cset sofened an existing assertion. ("must have root frame") If there's a fuzzer XPI that works (and supports fuzzPriv.callDrawWindow) in builds from a year ago (before that cset), I'll bet the attached testcase would trigger that original assertion in those builds.
I uploaded a new version of https://www.squarefree.com/extensions/domFuzzLite3.xpi that includes the callDrawWindow function.
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