[Webkit-unassigned] [Bug 218671] New: [Debug] imported/w3c/web-platform-tests/html/canvas/element/path-objects/2d.path.ellipse.basics.html is crashing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=218671

            Bug ID: 218671
           Summary: [Debug]
                    imported/w3c/web-platform-tests/html/canvas/element/pa
                    th-objects/2d.path.ellipse.basics.html is crashing
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cdumez at apple.com
                CC: dino at apple.com

imported/w3c/web-platform-tests/html/canvas/element/path-objects/2d.path.ellipse.basics.html has been crashing in debug since its import:
ASSERTION FAILED: newStartAngle >= 0 && newStartAngle < 2 * piFloat
./html/canvas/CanvasPath.cpp(148) : void WebCore::normalizeAngles(float &, float &, bool)
1   0x109724fe9 WTFCrash
2   0x121d7ec9b WTFCrashWithInfo(int, char const*, char const*, int)
3   0x12510dcdc WebCore::normalizeAngles(float&, float&, bool)
4   0x12510df6b WebCore::CanvasPath::ellipse(float, float, float, float, float, float, float, bool)
5   0x122457623 WebCore::jsCanvasRenderingContext2DPrototypeFunction_ellipseBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSCanvasRenderingContext2D*)
6   0x122456b8c long long WebCore::IDLOperation<WebCore::JSCanvasRenderingContext2D>::call<&(WebCore::jsCanvasRenderingContext2DPrototypeFunction_ellipseBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSCanvasRenderingContext2D*)), (WebCore::CastedThisErrorBehavior)0>(JSC::JSGlobalObject&, JSC::CallFrame&, char const*)
7   0x1223ec674 WebCore::jsCanvasRenderingContext2DPrototypeFunction_ellipse(JSC::JSGlobalObject*, JSC::CallFrame*)
8   0x5204d3201178
9   0x109cdcd0b llint_entry
10  0x109cde079 llint_entry
11  0x109cdcd0b llint_entry
12  0x109cde079 llint_entry
13  0x109cdcd0b llint_entry
14  0x109cbb5a0 vmEntryToJavaScript
15  0x10ab0338b JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*)
16  0x10ab03b47 JSC::Interpreter::executeCall(JSC::JSGlobalObject*, JSC::JSObject*, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
17  0x10ae50abd JSC::call(JSC::JSGlobalObject*, JSC::JSValue, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&)
18  0x10ae50b9f JSC::call(JSC::JSGlobalObject*, JSC::JSValue, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&)
19  0x10ae50e82 JSC::profiledCall(JSC::JSGlobalObject*, JSC::ProfilingReason, JSC::JSValue, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&)
20  0x1244d3a7e WebCore::JSExecState::profiledCall(JSC::JSGlobalObject*, JSC::ProfilingReason, JSC::JSValue, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&)
21  0x1244f18eb WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&)
22  0x124bb3e57 WebCore::EventTarget::innerInvokeEventListeners(WebCore::Event&, WTF::Vector<WTF::RefPtr<WebCore::RegisteredEventListener, WTF::RawPtrTraits<WebCore::RegisteredEventListener>, WTF::DefaultRefDerefTraits<WebCore::RegisteredEventListener> >, 1ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>, WebCore::EventTarget::EventInvokePhase)
23  0x124bb0164 WebCore::EventTarget::fireEventListeners(WebCore::Event&, WebCore::EventTarget::EventInvokePhase)
24  0x12580195e WebCore::DOMWindow::dispatchEvent(WebCore::Event&, WebCore::EventTarget*)
25  0x12580b9cf WebCore::DOMWindow::dispatchLoadEvent()
26  0x124a9ca38 WebCore::Document::dispatchWindowLoadEvent()
27  0x124a9c5a7 WebCore::Document::implicitClose()
28  0x12567375b WebCore::FrameLoader::checkCallImplicitClose()
29  0x12567318a WebCore::FrameLoader::checkCompleted()
30  0x125673216 WebCore::FrameLoader::loadDone(WebCore::LoadCompletionType)
31  0x125789a2c WebCore::CachedResourceLoader::loadDone(WebCore::LoadCompletionType, bool)

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