Bug 307073 – REGRESSION (306393@main): ASSERTION FAILED: last on imported/w3c/web-platform-tests/focus/focus-element-crash.html

• Status: NEW
• Component: Forms

[Alexey Proskuryakov]

imported/w3c/web-platform-tests/focus/focus-element-crash.html has started to crash with an assertion every time since commits.webkit.org/306393@main

https://results.safari.apple.com/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Ffocus%2Ffocus-element-crash.html

ASSERTION FAILED: last
/Volumes/Data/worker/Apple-iOS-26-Simulator-Debug-Build/build/Source/WebCore/page/FocusController.cpp(958) : Element *WebCore::FocusController::previousFocusableElementOrScopeOwner(const FocusNavigationScope &, Node *, const FocusEventData &)
1   0x14ab54a4c WebCore::FocusController::previousFocusableElementOrScopeOwner(WebCore::FocusNavigationScope const&, WebCore::Node*, WebCore::FocusEventData const&)
2   0x14ab544d0 WebCore::FocusController::previousFocusableElementWithinScope(WebCore::FocusNavigationScope const&, WebCore::Node*, WebCore::FocusEventData const&)
3   0x14ab54604 WebCore::FocusController::previousFocusableElementWithinScope(WebCore::FocusNavigationScope const&, WebCore::Node*, WebCore::FocusEventData const&)
4   0x14ab5455c WebCore::FocusController::previousFocusableElementWithinScope(WebCore::FocusNavigationScope const&, WebCore::Node*, WebCore::FocusEventData const&)
5   0x14ab52ca8 WebCore::FocusController::findFocusableElementWithinScope(WebCore::FocusDirection, WebCore::FocusNavigationScope const&, WebCore::Node*, WebCore::FocusEventData const&, WebCore::ShouldFocusElement)
6   0x14ab53cb4 WebCore::FocusController::findFocusableElementAcrossFocusScope(WebCore::FocusDirection, WebCore::FocusNavigationScope const&, WebCore::Node*, WebCore::FocusEventData const&, WebCore::ShouldFocusElement)
7   0x14ab55178 WebCore::FocusController::previousFocusableElement(WebCore::Node&)
8   0x130ee99a8 WebKit::nextAssistableElement(WebCore::Node*, WebCore::Page&, bool)
9   0x130ecd3d4 WebKit::WebPage::focusedElementInformation()
10  0x1321e2a3c WebKit::WebPage::elementDidFocus(WebCore::Element&, WebCore::FocusOptions const&)
11  0x131fbeb20 WebKit::WebChromeClient::elementDidFocus(WebCore::Element&, WebCore::FocusOptions const&)
12  0x1499d2f60 WebCore::Element::dispatchFocusEvent(WTF::RefPtr<WebCore::Element, WTF::RawPtrTraits<WebCore::Element>, WTF::DefaultRefDerefTraits<WebCore::Element>>&&, WebCore::FocusOptions const&)
13  0x14a07f328 WebCore::HTMLTextFormControlElement::dispatchFocusEvent(WTF::RefPtr<WebCore::Element, WTF::RawPtrTraits<WebCore::Element>, WTF::DefaultRefDerefTraits<WebCore::Element>>&&, WebCore::FocusOptions const&)
14  0x149868c2c WebCore::Document::setFocusedElement(WebCore::Element*, WebCore::FocusOptions const&, WebCore::BroadcastFocusedElement)
15  0x14ab432d8 WebCore::FocusController::setFocusedElement(WebCore::Element*, WebCore::Frame*, WebCore::FocusOptions const&, WebCore::BroadcastFocusedElement)
16  0x1499d240c WebCore::Element::focus(WebCore::FocusOptions const&)
17  0x1499d25d8 WebCore::Element::focusForBindings(WebCore::FocusOptions&&)
18  0x145cefa80 WebCore::jsHTMLElementPrototypeFunction_focusBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSHTMLElement*)::'lambda'()::operator()() const
19  0x145cef904 JSC::JSValue WebCore::toJS<WebCore::IDLUndefined, WebCore::jsHTMLElementPrototypeFunction_focusBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSHTMLElement*)::'lambda'()>(JSC::JSGlobalObject&, JSC::ThrowScope&, WebCore::jsHTMLElementPrototypeFunction_focusBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSHTMLElement*)::'lambda'()&&)
20  0x145cef6d8 WebCore::jsHTMLElementPrototypeFunction_focusBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSHTMLElement*)
21  0x145cef598 long long WebCore::IDLOperation<WebCore::JSHTMLElement>::call<&WebCore::jsHTMLElementPrototypeFunction_focusBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSHTMLElement*), (WebCore::CastedThisErrorBehavior)0>(JSC::JSGlobalObject&, JSC::CallFrame&, char const*)
22  0x145ce6510 WebCore::jsHTMLElementPrototypeFunction_focus(JSC::JSGlobalObject*, JSC::CallFrame*)

[Radar WebKit Bug Importer]

<rdar://problem/169714010>