[Webkit-unassigned] [Bug 217143] New: REGRESSION(r267781): ASSERTION FAILED: Optional.h(525) : T *WTF::Optional<WebCore::Layout::LineRun::Text>::operator->() on 16 fast/layoutformattingcontext/* tests
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Sep 30 13:18:23 PDT 2020
https://bugs.webkit.org/show_bug.cgi?id=217143
Bug ID: 217143
Summary: REGRESSION(r267781): ASSERTION FAILED: Optional.h(525)
: T
*WTF::Optional<WebCore::Layout::LineRun::Text>::operat
or->() on 16 fast/layoutformattingcontext/* tests
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: New Bugs
Assignee: webkit-unassigned at lists.webkit.org
Reporter: hector_i_lopez at apple.com
fast/layoutformattingcontext/block-only/replaced-as-inline-block-simple.html
fast/layoutformattingcontext/br-and-wbr-simple.html
fast/layoutformattingcontext/br-in-inline-content-simple.html
fast/layoutformattingcontext/float-and-br-inline-content-only.html
fast/layoutformattingcontext/inline-box-overlaps-multiple-lines.html
fast/layoutformattingcontext/replaced-box-with-margin-on-baseline.html
fast/layoutformattingcontext/subframe-with-display-none-html.html
fast/layoutformattingcontext/table-basic-row-baseline-align.html
fast/layoutformattingcontext/table-basic-row-vertical-align-baseline.html
fast/layoutformattingcontext/table-cell-vertical-alignment-simple.html
fast/layoutformattingcontext/table-min-max-width-simple.html
fast/layoutformattingcontext/vertical-align-bottom-nested.html
fast/layoutformattingcontext/vertical-align-top-nested.html
fast/layoutformattingcontext/out-of-flow-positioned-line-breaks.html
fast/layoutformattingcontext/fit-content-width-simple.html
fast/layoutformattingcontext/simple-inline-block.html
Test are all constant crashes according to history on macOS wk2 Debug. First occurrence of constant crashes is at https://trac.webkit.org/changeset/267781/webkit
Also, the last three are associated with https://bugs.webkit.org/show_bug.cgi?id=216668 and corresponding rdar://69101155
History:
https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=fast%2Flayoutformattingcontext%2Fblock-only%2Freplaced-as-inline-block-simple.html&test=fast%2Flayoutformattingcontext%2Fbr-and-wbr-simple.html&test=fast%2Flayoutformattingcontext%2Fbr-in-inline-content-simple.html&test=fast%2Flayoutformattingcontext%2Ffit-content-width-simple.html&test=fast%2Flayoutformattingcontext%2Ffloat-and-br-inline-content-only.html&test=fast%2Flayoutformattingcontext%2Finline-box-overlaps-multiple-lines.html&test=fast%2Flayoutformattingcontext%2Fout-of-flow-positioned-line-breaks.html&test=fast%2Flayoutformattingcontext%2Freplaced-box-with-margin-on-baseline.html&test=fast%2Flayoutformattingcontext%2Fsimple-inline-block.html&test=fast%2Flayoutformattingcontext%2Fsubframe-with-display-none-html.html&test=fast%2Flayoutformattingcontext%2Ftable-basic-row-baseline-align.html&test=fast%2Flayoutformattingcontext%2Ftable-basic-row-vertical-align-baseline.html&test=fast%2Flayoutformattingcontext%2Ftable-cell-vertical-alignment-simple.html&test=fast%2Flayoutformattingcontext%2Ftable-min-max-width-simple.html&test=fast%2Flayoutformattingcontext%2Fvertical-align-bottom-nested.html&test=fast%2Flayoutformattingcontext%2Fvertical-align-top-nested.html&style=debug&flavor=wk2
Crash log for one example, fast/layoutformattingcontext/block-only/replaced-as-inline-block-simple.html:
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.JavaScriptCore 0x00000001a5b01abe WTFCrash + 14 (Assertions.cpp:295)
1 com.apple.WebCore 0x0000000188aa6da9 WTF::Optional<WebCore::Layout::LineRun::Text>::operator->() + 73 (Optional.h:525)
2 com.apple.WebCore 0x0000000188ab91ab WebCore::Display::TextBox::debugDescription() const + 235 (DisplayTextBox.cpp:49)
3 com.apple.WebCore 0x0000000188aab478 WebCore::Display::outputDisplayBox(WTF::TextStream&, WebCore::Display::Box const&, unsigned int) + 56 (DisplayTreeBuilder.cpp:203)
4 com.apple.WebCore 0x0000000188aa5ac3 WebCore::Display::outputDisplayTree(WTF::TextStream&, WebCore::Display::Box const&, unsigned int) + 35 (DisplayTreeBuilder.cpp:211)
5 com.apple.WebCore 0x0000000188aa5b20 WebCore::Display::outputDisplayTree(WTF::TextStream&, WebCore::Display::Box const&, unsigned int) + 128 (DisplayTreeBuilder.cpp:213)
6 com.apple.WebCore 0x0000000188aa5b20 WebCore::Display::outputDisplayTree(WTF::TextStream&, WebCore::Display::Box const&, unsigned int) + 128 (DisplayTreeBuilder.cpp:213)
7 com.apple.WebCore 0x0000000188aa5b20 WebCore::Display::outputDisplayTree(WTF::TextStream&, WebCore::Display::Box const&, unsigned int) + 128 (DisplayTreeBuilder.cpp:213)
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