Bug 218474

Summary:

Crash under WebGLRenderingContextBase::scheduleTaskToDispatchContextLostEvent()

Product:

WebKit

Reporter:

Chris Dumez <cdumez>

Component:

WebCore Misc.

Assignee:

Chris Dumez <cdumez>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

achristensen, changseok, darin, dino, esprehn+autocc, ews-watchlist, ggaren, graouts, gyuyoung.kim, kondapallykalyan, ryanhaddad, sam, tsavell, webkit-bug-importer

Priority:

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Bug Depends on:

Bug Blocks:

218363

Attachments:

Description	Flags
Patch	none

Chris Dumez

Reported 2020-11-02 19:37:09 PST

Crash under WebGLRenderingContextBase::scheduleTaskToDispatchContextLostEvent(): ASSERTION FAILED: m_wrapper ./bindings/js/JSEventListener.h(125) : JSC::JSObject *WebCore::JSEventListener::ensureJSFunction(WebCore::ScriptExecutionContext &) const 1 0x10e9ce1b9 WTFCrash 2 0x1235b9abb WTFCrashWithInfo(int, char const*, char const*, int) 3 0x126091249 WebCore::JSEventListener::ensureJSFunction(WebCore::ScriptExecutionContext&) const 4 0x1260905a2 WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&) 5 0x1267c93bb 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) 6 0x1267c5642 WebCore::EventTarget::fireEventListeners(WebCore::Event&, WebCore::EventTarget::EventInvokePhase) 7 0x126853f2a WebCore::Node::handleLocalEvents(WebCore::Event&, WebCore::EventTarget::EventInvokePhase) 8 0x126797de0 WebCore::EventContext::handleLocalEvents(WebCore::Event&, WebCore::EventTarget::EventInvokePhase) const 9 0x1267988fb WebCore::dispatchEventInDOM(WebCore::Event&, WebCore::EventPath const&) 10 0x126798415 WebCore::EventDispatcher::dispatchEvent(WebCore::Node&, WebCore::Event&) 11 0x126853f7d WebCore::Node::dispatchEvent(WebCore::Event&) 12 0x126eabd57 WebCore::WebGLRenderingContextBase::scheduleTaskToDispatchContextLostEvent()::$_12::operator()() const 13 0x126eabcc9 WTF::Detail::CallableWrapper<WebCore::WebGLRenderingContextBase::scheduleTaskToDispatchContextLostEvent()::$_12, void>::call() 14 0x1235c84ca WTF::Function<void ()>::operator()() const 15 0x126eab339 void WebCore::ActiveDOMObject::queueTaskKeepingObjectAlive<WebCore::HTMLCanvasElement>(WebCore::HTMLCanvasElement&, WebCore::TaskSource, WTF::Function<void ()>&&)::'lambda'()::operator()() const 16 0x126eab079 WTF::Detail::CallableWrapper<void WebCore::ActiveDOMObject::queueTaskKeepingObjectAlive<WebCore::HTMLCanvasElement>(WebCore::HTMLCanvasElement&, WebCore::TaskSource, WTF::Function<void ()>&&)::'lambda'(), void>::call() 17 0x1235c84ca WTF::Function<void ()>::operator()() const 18 0x1267cc3c9 WebCore::EventLoopFunctionDispatchTask::execute() 19 0x1267c2a1a WebCore::EventLoop::run() 20 0x1269576b0 WebCore::WindowEventLoop::didReachTimeToRun() This is impacting the following tests on the bots: webgl/1.0.3/conformance/glsl/misc/non-ascii-comments.vert.html webgl/2.0.0/conformance/glsl/bugs/sampler-array-using-loop-index.html

Attachments
Patch (2.32 KB, patch) 2020-11-02 19:41 PST, Chris Dumez	no flags	Details Formatted Diff Diff
View All Add attachment proposed patch, testcase, etc.

Chris Dumez

Comment 1 2020-11-02 19:41:03 PST

Created attachment 412998 [details] Patch

Geoffrey Garen

Comment 2 2020-11-02 19:52:55 PST

Comment on attachment 412998 [details] Patch r=me

EWS

Comment 3 2020-11-02 20:20:42 PST

Committed r269285: <https://trac.webkit.org/changeset/269285> All reviewed patches have been landed. Closing bug and clearing flags on attachment 412998 [details].

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