[Webkit-unassigned] [Bug 21004] SVG animation example asserts

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=21004





------- Comment #1 from simon.fraser at apple.com  2008-09-22 13:45 PDT -------
The HasSet is being modified during enumeration:

#0  0x037ee823 in WebCore::SVGDocumentExtensions::removeTimeContainer
(this=0x1abc73c0, element=0x1abe34d0) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGDocumentExtensions.cpp:62
#1  0x0385b1ef in WebCore::SVGSVGElement::~SVGSVGElement (this=0x1abe34d0) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGSVGElement.cpp:82
#2  0x033049f8 in WebCore::ContainerNode::removeAllChildren (this=0x1abe49a0)
at /Volumes/Eclair/WebKit-OpenSource.git/WebCore/dom/ContainerNode.cpp:113
#3  0x0330810c in WebCore::ContainerNode::~ContainerNode (this=0x1abe49a0) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/dom/ContainerNode.cpp:119
#4  0x0343ef11 in WebCore::Element::~Element (this=0x1abe49a0) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/dom/Element.cpp:126
#5  0x0389c139 in WebCore::StyledElement::~StyledElement (this=0x1abe49a0) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/dom/StyledElement.cpp:125
#6  0x037f71d4 in WebCore::SVGElement::~SVGElement (this=0x1abe49a0) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGElement.cpp:59
#7  0x0385f47b in WebCore::SVGStyledElement::~SVGStyledElement
(this=0x1abe49a0) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGStyledElement.cpp:57
#8  0x03861401 in
WebCore::SVGStyledLocatableElement::~SVGStyledLocatableElement
(this=0x1abe49a0, __vtt_parm=0x45abd88) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGStyledLocatableElement.cpp:43
#9  0x03861d96 in
WebCore::SVGStyledTransformableElement::~SVGStyledTransformableElement
(this=0x1abe49a0, __vtt_parm=0x45abd84) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGStyledTransformableElement.cpp:49
#10 0x038046c9 in WebCore::SVGGElement::~SVGGElement (this=0x1abe49a0) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGGElement.cpp:42
#11 0x0322caab in WebCore::TreeShared<WebCore::Node>::removedLastRef
(this=0x1abe49a0) at TreeShared.h:99
#12 0x038665ff in WebCore::TreeShared<WebCore::Node>::deref (this=0x1abe49a0)
at TreeShared.h:69
#13 0x03877bb6 in WTF::RefPtr<WebCore::SVGElement>::operator= (this=0x1abe1ba0,
optr=0x1abab600) at RefPtr.h:118
#14 0x03876f2d in WebCore::SVGUseElement::buildPendingResource
(this=0x1abe1a40) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGUseElement.cpp:310
#15 0x038740a5 in WebCore::SVGUseElement::svgAttributeChanged (this=0x1abe1a40,
attrName=@0x1abbe94c) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGUseElement.cpp:139
#16 0x037f6944 in WebCore::SVGElement::attributeChanged (this=0x1abe1a40,
attr=0x1abbe940, preserveDecls=false) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGElement.cpp:266
#17 0x036b6cda in WebCore::NamedAttrMap::addAttribute (this=0x1abe1bd0,
prpAttribute=@0xbfffd590) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/dom/NamedAttrMap.cpp:250
#18 0x0343d773 in WebCore::Element::setAttribute (this=0x1abe1a40,
name=@0xbfffd620, value=@0xbfffd61c, ec=@0xbfffd610) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/dom/Element.cpp:525
#19 0x037dc70e in WebCore::SVGAnimationElement::setTargetAttributeAnimatedValue
(this=0x1abe27f0, value=@0xbfffd680) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGAnimationElement.cpp:307
#20 0x037d62aa in WebCore::SVGAnimateElement::applyResultsToTarget
(this=0x1abe27f0) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGAnimateElement.cpp:258
#21 0x039d600f in WebCore::SMILTimeContainer::updateAnimations
(this=0x1abc70f0, elapsed=@0xbfffd7d8) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/animation/SMILTimeContainer.cpp:275
#22 0x039d6238 in WebCore::SMILTimeContainer::begin (this=0x1abc70f0) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/animation/SMILTimeContainer.cpp:102
#23 0x037ee77d in WebCore::SVGDocumentExtensions::startAnimations
(this=0x1abc73c0) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/svg/SVGDocumentExtensions.cpp:72
#24 0x033f39ee in WebCore::Document::implicitClose (this=0x6918600) at
/Volumes/Eclair/WebKit-OpenSource.git/WebCore/dom/Document.cpp:1643


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