[Webkit-unassigned] [Bug 200083] New: REGRESSION(r244995 ): Assertion failure when addEventListener to an SVGElement which has an. instance in shadow tree

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=200083

            Bug ID: 200083
           Summary: REGRESSION(r244995 ): Assertion failure when
                    addEventListener to an SVGElement which has an.
                    instance in shadow tree
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sabouhallawa at apple.com
                CC: zimmermann at kde.org

Created attachment 374784

  --> https://bugs.webkit.org/attachment.cgi?id=374784&action=review

test case

Open the attached test case. The following assertion will fire in debug builds:

0x000000012208cbde in ::WTFCrash()
0x000000010a37a9fb in WTFCrashWithInfo(int, char const*, char const*, int)
0x000000010c3d5df4 in WebCore::JSLazyEventListener::checkValidityForEventTarget(WebCore::EventTarget&)
0x000000010c9bd339 in WebCore::EventTarget::addEventListener(WTF::AtomString const&, WTF::Ref<WebCore::EventListener, WTF::DumbPtrTraits<WebCore::EventListener> >&&, WebCore::EventTarget::AddEventListenerOptions const&)
0x000000010ca2c09d in WebCore::tryAddEventListener(WebCore::Node*, WTF::AtomString const&, WTF::Ref<WebCore::EventListener, WTF::DumbPtrTraits<WebCore::EventListener> >&&, WebCore::EventTarget::AddEventListenerOptions const&)
0x000000010ca2c038 in WebCore::Node::addEventListener(WTF::AtomString const&, WTF::Ref<WebCore::EventListener, WTF::DumbPtrTraits<WebCore::EventListener> >&&, WebCore::EventTarget::AddEventListenerOptions const&)
0x000000010e01f1bf in WebCore::SVGElement::addEventListener(WTF::AtomString const&, WTF::Ref<WebCore::EventListener, WTF::DumbPtrTraits<WebCore::EventListener> >&&, WebCore::EventTarget::AddEventListenerOptions const&)
0x000000010c9bdfb7 in WebCore::EventTarget::setAttributeEventListener(WTF::AtomString const&, WTF::RefPtr<WebCore::EventListener, WTF::DumbPtrTraits<WebCore::EventListener> >&&, WebCore::DOMWrapperWorld&)
0x000000010c975d26 in WebCore::Element::setAttributeEventListener(WTF::AtomString const&, WebCore::QualifiedName const&, WTF::AtomString const&)
0x000000010e01edf5 in WebCore::SVGElement::parseAttribute(WebCore::QualifiedName const&, WTF::AtomString const&)
0x000000010e15eea0 in WebCore::SVGGraphicsElement::parseAttribute(WebCore::QualifiedName const&, WTF::AtomString const&)
0x000000010e2af04f in WebCore::SVGUseElement::parseAttribute(WebCore::QualifiedName const&, WTF::AtomString const&)
0x000000010c9712cd in WebCore::Element::attributeChanged(WebCore::QualifiedName const&, WTF::AtomString const&, WTF::AtomString const&, WebCore::Element::AttributeModificationReason)
0x000000010cac1e0c in WebCore::StyledElement::attributeChanged(WebCore::QualifiedName const&, WTF::AtomString const&, WTF::AtomString const&, WebCore::Element::AttributeModificationReason)
0x000000010e01fafb in WebCore::SVGElement::attributeChanged(WebCore::QualifiedName const&, WTF::AtomString const&, WTF::AtomString const&, WebCore::Element::AttributeModificationReason)
0x000000010c977702 in WebCore::Element::didAddAttribute(WebCore::QualifiedName const&, WTF::AtomString const&)
0x000000010c977643 in WebCore::Element::addAttributeInternal(WebCore::QualifiedName const&, WTF::AtomString const&, WebCore::Element::SynchronizationOfLazyAttribute)
0x000000010c970a71 in WebCore::Element::setAttributeInternal(unsigned int, WebCore::QualifiedName const&, WTF::AtomString const&, WebCore::Element::SynchronizationOfLazyAttribute)
0x000000010c970d2e in WebCore::Element::setAttribute(WTF::AtomString const&, WTF::AtomString const&)

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