[Webkit-unassigned] [Bug 123127] New: Loading http://cubic-bezier.com/ can assert in Length::isZero()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=123127

           Summary: Loading http://cubic-bezier.com/ can assert in
                    Length::isZero()
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: http://cubic-bezier.com/#.17,.67,.83,.67
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: simon.fraser at apple.com
                CC: dino at apple.com


Loading http://cubic-bezier.com/#.17,.67,.83,.67 in debug often asserts:

ASSERTION FAILED: !isUndefined()
/Volumes/SSData/Development/OSX/webkit/OpenSource/Source/WebCore/platform/Length.h(208) : bool WebCore::Length::isZero() const
1   0x102dbfd80 WTFCrash
2   0x103c8ab3a WebCore::Length::isZero() const
3   0x103c9fa57 WebCore::Length::blend(WebCore::Length const&, double) const
4   0x103ed8a93 WebCore::blendFunc(WebCore::AnimationBase const*, WebCore::Length const&, WebCore::Length const&, double)
5   0x103ee6256 WebCore::LengthPropertyWrapper<WebCore::Length>::blend(WebCore::AnimationBase const*, WebCore::RenderStyle*, WebCore::RenderStyle const*, WebCore::RenderStyle const*, double) const
6   0x103ed7ecc WebCore::CSSPropertyAnimation::blendProperties(WebCore::AnimationBase const*, WebCore::CSSPropertyID, WebCore::RenderStyle*, WebCore::RenderStyle const*, WebCore::RenderStyle const*, double)
7   0x10456d5d0 WebCore::ImplicitAnimation::animate(WebCore::CompositeAnimation*, WebCore::RenderElement*, WebCore::RenderStyle const*, WebCore::RenderStyle*, WTF::RefPtr<WebCore::RenderStyle>&)
8   0x103d6bb9f WebCore::CompositeAnimation::animate(WebCore::RenderElement*, WebCore::RenderStyle*, WebCore::RenderStyle*)
9   0x103bd062b WebCore::AnimationController::updateAnimations(WebCore::RenderElement&, WTF::PassRef<WebCore::RenderStyle>)
10  0x1040f303f WebCore::RenderElement::setAnimatableStyle(WTF::PassRef<WebCore::RenderStyle>)
11  0x103d27cde WebCore::Style::resolveLocal(WebCore::Element&, WebCore::Style::Change)
12  0x103d27850 WebCore::Style::resolveTree(WebCore::Element&, WebCore::Style::Change)
13  0x103d27a0b WebCore::Style::resolveTree(WebCore::Element&, WebCore::Style::Change)
14  0x103d27a0b WebCore::Style::resolveTree(WebCore::Element&, WebCore::Style::Change)
15  0x103d27a0b WebCore::Style::resolveTree(WebCore::Element&, WebCore::Style::Change)
16  0x103d28258 WebCore::Style::resolveTree(WebCore::Document&, WebCore::Style::Change)
17  0x104015def WebCore::Document::recalcStyle(WebCore::Style::Change)
18  0x10401380b WebCore::Document::styleResolverChanged(WebCore::StyleResolverUpdateFlag)
19  0x104019e25 WebCore::Document::didRemoveAllPendingStylesheet()
20  0x10407dce9 WebCore::DocumentStyleSheetCollection::removePendingSheet(WebCore::DocumentStyleSheetCollection::RemovePendingSheetNotificationType)
21  0x10447aa8b WebCore::HTMLLinkElement::removePendingSheet(WebCore::HTMLLinkElement::RemovePendingSheetNotificationType)
22  0x10447c12f WebCore::HTMLLinkElement::sheetLoaded()
23  0x105339c0a WebCore::StyleSheetContents::checkLoaded()
24  0x10447c04f WebCore::HTMLLinkElement::setCSSStyleSheet(WTF::String const&, WebCore::URL const&, WTF::String const&, WebCore::CachedCSSStyleSheet const*)
25  0x10447c207 non-virtual thunk to WebCore::HTMLLinkElement::setCSSStyleSheet(WTF::String const&, WebCore::URL const&, WTF::String const&, WebCore::CachedCSSStyleSheet const*)
26  0x103cd13fc WebCore::CachedCSSStyleSheet::checkNotify()
27  0x103cd12ae WebCore::CachedCSSStyleSheet::finishLoading(WebCore::ResourceBuffer*)
28  0x10534bc12 WebCore::SubresourceLoader::didFinishLoading(double)
29  0x1051693e5 WebCore::ResourceLoader::didFinishLoading(WebCore::ResourceHandle*, double)
30  0x10555324a -[WebCoreResourceHandleAsDelegate connectionDidFinishLoading:]

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