[Webkit-unassigned] [Bug 219004] New: ASSERTION FAILED: m_hasValidContentHeight in WebCore::Layout::BoxGeometry::contentBoxHeight()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=219004

            Bug ID: 219004
           Summary: ASSERTION FAILED: m_hasValidContentHeight in
                    WebCore::Layout::BoxGeometry::contentBoxHeight()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com, zalan at apple.com

platform/ios/ios/plugin/youtube-flash-plugin-iframe-no-height-or-width.html is consistently failing an assertion on iOS debug bots:

ASSERTION FAILED: m_hasValidContentHeight
/Volumes/Data/slave/ios-simulator-14-debug/build/Source/WebCore/layout/layouttree/LayoutBoxGeometry.h(255) : WebCore::LayoutUnit WebCore::Layout::BoxGeometry::contentBoxHeight() const
1   0x11abc0b09 WTFCrash
2   0x1229a7fbb WTFCrashWithInfo(int, char const*, char const*, int)
3   0x1253d7208 WebCore::Layout::BoxGeometry::contentBoxHeight() const
4   0x1260c09f5 WebCore::Layout::BoxGeometry::contentBox() const
5   0x125ff2da8 WebCore::Layout::FormattingContext::Quirks::heightValueOfNearestContainingBlockWithFixedHeight(WebCore::Layout::Box const&)
6   0x125ff2840 WebCore::Layout::FormattingContext::Geometry::computedHeightValue(WebCore::Layout::Box const&, WebCore::Layout::FormattingContext::Geometry::HeightType, WTF::Optional<WebCore::LayoutUnit>) const
7   0x125ff05cb WebCore::Layout::FormattingContext::Geometry::computedMaxHeight(WebCore::Layout::Box const&, WTF::Optional<WebCore::LayoutUnit>) const
8   0x126056c48 WebCore::Layout::InlineFormattingContext::computeHeightAndMargin(WebCore::Layout::Box const&, WebCore::Layout::HorizontalConstraints const&)
9   0x1260563d8 WebCore::Layout::InlineFormattingContext::layoutInFlowContent(WebCore::Layout::InvalidationState&, WebCore::Layout::FormattingContext::ConstraintsForInFlowContent const&)
10  0x12608cac6 WebCore::LayoutIntegration::LineLayout::layout()
11  0x126c74a6b WebCore::RenderBlockFlow::layoutModernLines(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
12  0x126c72108 WebCore::RenderBlockFlow::layoutInlineChildren(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
13  0x126c711b9 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit)
14  0x126c53e09 WebCore::RenderBlock::layout()
15  0x126c73e32 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
16  0x126c723f4 WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&)
17  0x126c711d6 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit)
18  0x126c53e09 WebCore::RenderBlock::layout()
19  0x126b9859c WebCore::RenderElement::layoutIfNeeded()
20  0x126b97d97 WebCore::ComplexLineLayout::layoutLineBoxes(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
21  0x126c7217e WebCore::RenderBlockFlow::layoutInlineChildren(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
22  0x126c711b9 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit)
23  0x126c53e09 WebCore::RenderBlock::layout()
24  0x126c73e32 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
25  0x126c723f4 WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&)
26  0x126c711d6 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit)
27  0x126c53e09 WebCore::RenderBlock::layout()
28  0x126c73e32 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
29  0x126c723f4 WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&)
30  0x126c711d6 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit)
31  0x126c53e09 WebCore::RenderBlock::layout()
LEAK: 1 WebPageProxy

https://results.webkit.org/?suite=layout-tests&test=platform%2Fios%2Fios%2Fplugin%2Fyoutube-flash-plugin-iframe-no-height-or-width.html

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