204766 2019-12-02 13:48:09 -0800 Crash when animating an enum attribute for multiple instances of an SVG element 2019-12-02 16:38:25 -0800 1 1 1 Unclassified WebKit SVG WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=197372 InRadar P2 Normal --- 1 sabouhallawa sabouhallawa commit-queue dino ews-watchlist fmalita gyuyoung.kim pdr rniwa sabouhallawa schenney sergio simon.fraser webkit-bug-importer zimmermann oldest_to_newest 1594769 0 384655 sabouhallawa 2019-12-02 13:48:09 -0800 Created attachment 384655 test case (will crash) Open the attached test case. WebKit will crash because of null reference with the following call stack: #0 0x00000004ee682cf5 in WebCore::SVGLengthAdjustType WebCore::SVGAnimatedDecoratedProperty<WebCore::SVGDecoratedEnumeration, unsigned int>::currentValue<WebCore::SVGLengthAdjustType>() const at /Volumes/Data/WebKit/OpenSource/Source/WebCore/svg/properties/SVGAnimatedDecoratedProperty.h:114 #1 0x00000004ee67bb14 in WebCore::SVGTextContentElement::lengthAdjust() const at /Volumes/Data/WebKit/OpenSource/Source/WebCore/svg/SVGTextContentElement.h:89 #2 0x00000004ee67f534 in WebCore::SVGTextLayoutEngine::parentDefinesTextLength(WebCore::RenderObject*) const at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/SVGTextLayoutEngine.cpp:151 #3 0x00000004ee67f708 in WebCore::SVGTextLayoutEngine::layoutTextOnLineOrPath(WebCore::SVGInlineTextBox&, WebCore::RenderSVGInlineText&, WebCore::RenderStyle const&) at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/SVGTextLayoutEngine.cpp:411 #4 0x00000004ee67aec7 in WebCore::SVGTextLayoutEngine::layoutInlineTextBox(WebCore::SVGInlineTextBox&) at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/SVGTextLayoutEngine.cpp:225 #5 0x00000004ee67a6df in WebCore::SVGRootInlineBox::layoutCharactersInTextBoxes(WebCore::InlineFlowBox*, WebCore::SVGTextLayoutEngine&) at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/SVGRootInlineBox.cpp:108 #6 0x00000004ee67a4c9 in WebCore::SVGRootInlineBox::computePerCharacterLayoutInformation() at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/SVGRootInlineBox.cpp:91 #7 0x00000004ee1e830d in WebCore::ComplexLineLayout::createLineBoxesFromBidiRuns(unsigned int, WebCore::BidiRunList<WebCore::BidiRun>&, WebCore::InlineIterator const&, WebCore::LineInfo&, WebCore::VerticalPositionCache&, WebCore::BidiRun*, WTF::Vector<WebCore::WordMeasurement, 64ul, WTF::CrashOnOverflow, 16ul>&) at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/ComplexLineLayout.cpp:1238 #8 0x00000004ee1ea59b in WebCore::ComplexLineLayout::layoutRunsAndFloatsInRange(WebCore::LineLayoutState&, WebCore::BidiResolverWithIsolate<WebCore::InlineIterator, WebCore::BidiRun, WebCore::BidiIsolatedRun>&, WebCore::InlineIterator const&, WebCore::BidiStatus const&, unsigned int) at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/ComplexLineLayout.cpp:1424 #9 0x00000004ee1e8954 in WebCore::ComplexLineLayout::layoutRunsAndFloats(WebCore::LineLayoutState&, bool) at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/ComplexLineLayout.cpp:1332 #10 0x00000004ee1ee8ae in WebCore::ComplexLineLayout::layoutLineBoxes(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&) at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/ComplexLineLayout.cpp:1741 #11 0x00000004ee2b0872 in WebCore::RenderBlockFlow::layoutInlineChildren(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&) at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/RenderBlockFlow.cpp:683 #12 0x00000004ee6498c2 in WebCore::RenderSVGText::layout() at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/RenderSVGText.cpp:408 #13 0x00000004ee6657dd in WebCore::SVGRenderSupport::layoutChildren(WebCore::RenderElement&, bool) at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/SVGRenderSupport.cpp:273 #14 0x00000004ee5fbd78 in WebCore::RenderSVGContainer::layout() at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/RenderSVGContainer.cpp:71 #15 0x00000004ee6657dd in WebCore::SVGRenderSupport::layoutChildren(WebCore::RenderElement&, bool) at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/SVGRenderSupport.cpp:273 #16 0x00000004ee5fbd78 in WebCore::RenderSVGContainer::layout() at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/RenderSVGContainer.cpp:71 #17 0x00000004ee6657dd in WebCore::SVGRenderSupport::layoutChildren(WebCore::RenderElement&, bool) at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/SVGRenderSupport.cpp:273 #18 0x00000004ee642770 in WebCore::RenderSVGRoot::layout() at /Volumes/Data/WebKit/OpenSource/Source/WebCore/rendering/svg/RenderSVGRoot.cpp:160 #19 0x00000004edbbc60f in WebCore::FrameViewLayoutContext::layout() at /Volumes/Data/WebKit/OpenSource/Source/WebCore/page/FrameViewLayoutContext.cpp:247 #20 0x00000004edb5cd9c in WebCore::FrameView::updateLayoutAndStyleIfNeededRecursive() at /Volumes/Data/WebKit/OpenSource/Source/WebCore/page/FrameView.cpp:4321 #21 0x00000004edbe095c in WebCore::Page::layoutIfNeeded() at /Volumes/Data/WebKit/OpenSource/Source/WebCore/page/Page.cpp:1318 #22 0x00000004edbe0a0a in WebCore::Page::updateRendering() at /Volumes/Data/WebKit/OpenSource/Source/WebCore/page/Page.cpp:1334 #23 0x00000004e14329d1 in WebKit::WebPage::updateRendering() at /Volumes/Data/WebKit/OpenSource/Source/WebKit/WebProcess/WebPage/WebPage.cpp:3702 #24 0x00000004e10c0801 in WebKit::TiledCoreAnimationDrawingArea::flushLayers(WebKit::TiledCoreAnimationDrawingArea::FlushType) at /Volumes/Data/WebKit/OpenSource/Source/WebKit/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm:467 #25 0x00000004e10c4d77 in WebKit::TiledCoreAnimationDrawingArea::layerFlushRunLoopCallback() at /Volumes/Data/WebKit/OpenSource/Source/WebKit/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm:931 #26 0x00000004e10c7bd8 in WebKit::TiledCoreAnimationDrawingArea::TiledCoreAnimationDrawingArea(WebKit::WebPage&, WebKit::WebPageCreationParameters const&)::$_1::operator()() const at /Volumes/Data/WebKit/OpenSource/Source/WebKit/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm:91 1594782 1 384659 sabouhallawa 2019-12-02 14:03:06 -0800 Created attachment 384659 Patch 1594784 2 sabouhallawa 2019-12-02 14:05:31 -0800 <rdar://problem/57565270> 1594785 3 384659 zimmermann 2019-12-02 14:13:43 -0800 Comment on attachment 384659 Patch Good catch, said! 1594857 4 384659 commit-queue 2019-12-02 16:38:23 -0800 Comment on attachment 384659 Patch Clearing flags on attachment: 384659 Committed r253017: <https://trac.webkit.org/changeset/253017> 1594858 5 commit-queue 2019-12-02 16:38:25 -0800 All reviewed patches have been landed. Closing bug. 384655 2019-12-02 13:48:09 -0800 2019-12-02 13:48:09 -0800 test case (will crash) animated-enum-lengthAdjust-instances.svg image/svg+xml 336 sabouhallawa PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogICAgPGcgZm9udC1mYWNl PSJzYW5zLXNlcmlmIiBmb250LXNpemU9IjNlbSI+CiAgICAgICAgPHRleHQgaWQ9InRleHQiIHg9 IjIwIiB5PSI1MCIgdGV4dExlbmd0aD0iNjAwIiBsZW5ndGhBZGp1c3Q9InNwYWNpbmciPgogICAg ICAgICAgICBQYXNzZXMgaWYgaXQgZG9lcyBub3QgY3Jhc2guCiAgICAgICAgICAgIDxzZXQgYXR0 cmlidXRlTmFtZT0ibGVuZ3RoQWRqdXN0IiB0bz0ic3BhY2luZyIvPgogICAgICAgIDwvdGV4dD4K ICAgICAgICA8dXNlIGhyZWY9IiN0ZXh0IiB5PSI4MCIvPgogICAgPC9nPgo8L3N2Zz4K 384659 2019-12-02 14:03:06 -0800 2019-12-02 16:38:23 -0800 Patch bug-204766-20191202140305.patch text/plain 8696 sabouhallawa SW5kZXg6IFNvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBTb3VyY2UvV2Vi Q29yZS9DaGFuZ2VMb2cJKHJldmlzaW9uIDI1MzAwNykKKysrIFNvdXJjZS9XZWJDb3JlL0NoYW5n 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