245761 2022-09-27 17:18:04 -0700 REGRESSION (254905@main): [ macOS Debug ] ASSERTION FAILED: document().settings().ariaReflectionForElementReferencesEnabled() 2022-09-28 10:37:50 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 rackler webkit-unassigned ap rego webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1901651 0 rackler 2022-09-27 17:18:04 -0700 Description: accessibility/svg-remote-element.html is a consistent crash The first failure I saw on the dashboard was on <date> at 254905@main which adds Source/WebCore/dom/Element.cpp:(WebCore::Element::isElementReflectionAttribute) Reproduction steps: I can reproduce this on 254905@main but cannot reproduce it on 254904@main or earlier. Command: run-webkit-tests --iterations 50 --debug-rwt-logging --no-retry --force --no-build -f --debug accessibility/svg-remote-element.html Result: Unexpected flakiness: crashes (1) accessibility/svg-remote-element.html [ Timeout Crash ] History: https://results.webkit.org/?suite=layout-tests&test=accessibility%2Fsvg-remote-element.html&platform=mac&style=debug Crash Log: No crash log found on bot. stderr: ASSERTION FAILED: document().settings().ariaReflectionForElementReferencesEnabled() dom/Element.cpp(2099) : std::optional<Vector<RefPtr<Element>>> WebCore::Element::getElementsArrayAttribute(const WebCore::QualifiedName &) const 1 0x7ff7bdec8bb0 (null) 2 0x7382d44e5 (null) 3 0x1f35c99c65 (null) 4 0x7ff7bdec8bb0 (null) 5 0x7ff7bdec8b68 (null) 6 0x7ff7bdec8b80 (null) 7 0x735c99dff WTFPrintBacktrace 8 0x7ff7bdec8b80 (null) 9 0x738cb17a0 vtable for CrashLogPrintStream 10 0x1fbdec8b9c (null) 11 0x7ff7bdec8bb0 (null) 12 0x7ff7bdec8cb0 (null) 13 0x735c99d9f WTFReportBacktrace 14 0x7ff7bdec8bb0 (null) 15 0x21ca1300c6 (null) 16 0x735d7d56f WTFGetBacktrace 17 0x735c99d86 WTFReportBacktrace 18 0x735c99e89 WTFCrash 19 0x6e31de30b WTFCrashWithInfo(int, char const*, char const*, int) 20 0x6e6bcc3dd WebCore::Element::getElementsArrayAttribute(WebCore::QualifiedName const&) const 21 0x6e60a7b2a WebCore::AccessibilityObject::elementsFromAttribute(WebCore::QualifiedName const&) const 22 0x6e60a5473 WebCore::AccessibilityNodeObject::ariaLabeledByElements() const 23 0x6e60a7dbc WebCore::AccessibilityNodeObject::ariaLabeledByAttribute() const 24 0x6e60a2940 WebCore::AccessibilityNodeObject::ariaAccessibilityDescription() const 25 0x6e60ce7bc WebCore::AccessibilitySVGElement::accessibilityDescription() const 26 0x6e60ce6d1 WebCore::AccessibilitySVGElement::accessibilityText(WTF::Vector<WebCore::AccessibilityText, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&) const 27 0x6e3b2292e WebCore::AccessibilityObject::descriptionAttributeValue() const 28 0x6e91fd661 -[WebAccessibilityObjectWrapper accessibilityAttributeValue:] 29 0x6e0e2da03 WTR::attributeValue(objc_object*, NSString*) 30 0x6e0e2d7c3 WTR::AccessibilityUIElement::attributeValue(NSString*) const::$_2::operator()() const 31 0x6e0e2d749 WTF::Detail::CallableWrapper<WTR::AccessibilityUIElement::attributeValue(NSString*) const::$_2, void>::call() com.apple.WebKit.WebContent.Development terminated (pid 85185) for reason: crash LEAK: 1 WebPageProxy 1901652 1 webkit-bug-importer 2022-09-27 17:18:41 -0700 <rdar://problem/100483677> 1901658 2 rackler 2022-09-27 17:29:33 -0700 revert patch https://webkit.org/b/245762 1901682 3 rego 2022-09-27 22:24:47 -0700 This will be fixed by https://github.com/WebKit/WebKit/pull/4784. *** This bug has been marked as a duplicate of bug 244972 *** 1901759 4 rackler 2022-09-28 06:00:26 -0700 Committed 254937@main (995fb2200fc8): <https://commits.webkit.org/254937@main> Confirmed after reverting at 254937@main the test began consistently passing again. 1901825 5 ap 2022-09-28 10:37:50 -0700 Changing resolution to FIXED. Thank you, Karl!