260827 2023-08-28 15:48:24 -0700 REGRESSION(267321@main): imported/w3c/web-platform-tests/css/geometry/DOMMatrix-001.html crashes constantly. 2023-08-28 15:57:11 -0700 1 1 1 Unclassified WebKit DOM WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 260816 https://bugs.webkit.org/show_bug.cgi?id=260648 InRadar P2 Normal --- 1 ben_schwartz webkit-unassigned ntim webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1974058 0 ben_schwartz 2023-08-28 15:48:24 -0700 imported/w3c/web-platform-tests/css/geometry/DOMMatrix-001.html This test is a constant crash on all platforms. HISTORY: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fgeometry%2FDOMMatrix-001.html CRASH LOG (sample): ASSERTION FAILED: style() css/CSSToLengthConversionData.cpp(68) : const WebCore::FontCascade &WebCore::CSSToLengthConversionData::fontCascadeForFontUnits() const 1 0x3435f41a9 WTFCrash 2 0x3e25f591b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x3e6036901 WebCore::CSSToLengthConversionData::fontCascadeForFontUnits() const 4 0x3e5fe9697 WebCore::CSSPrimitiveValue::computeNonCalcLengthDouble(WebCore::CSSToLengthConversionData const&, WebCore::CSSUnitType, double) 5 0x3e5fe91eb WebCore::CSSPrimitiveValue::computeLengthDouble(WebCore::CSSToLengthConversionData const&) const 6 0x3e5fe953d double WebCore::CSSPrimitiveValue::computeLength<double>(WebCore::CSSToLengthConversionData const&) const ... CRASH LOG (full) LINK: https://build.webkit.org/results/Apple-Monterey-Debug-WK2-Tests/267321@main%20(8526)/imported/w3c/web-platform-tests/css/geometry/DOMMatrix-001-crash-log.txt REPRODUCIBILITY: I was able to reproduce this bug on macOS Ventura 13.5 (22G74/arm64) using the following command: run-webkit-tests --verbose imported/w3c/web-platform-tests/css/geometry/DOMMatrix-001.html REGRESSION: I was able to bisect a regression point. This test reproduced at 267321@main, but it did not reproduce at 267320@main. Changes at 267321@main appear to be directly related to this error, and are likely what caused the failure. 1974059 1 webkit-bug-importer 2023-08-28 15:48:34 -0700 <rdar://problem/114591730> 1974065 2 ben_schwartz 2023-08-28 15:57:11 -0700 Closing as duplicate of bug #260816. *** This bug has been marked as a duplicate of bug 260816 ***