209672 2020-03-27 12:07:19 -0700 [ Mac wk2 ] ASSERTION FAILED: m_messageEventCount @ WebCore::ServiceWorkerThread::finishedFiringMessageEvent() 2020-06-17 05:18:20 -0700 1 1 1 Unclassified WebKit Service Workers WebKit Nightly Build Mac macOS 10.15 RESOLVED CONFIGURATION CHANGED InRadar P2 Normal --- 1 Lawrence.j webkit-unassigned cdumez webkit-bot-watchers-bugzilla webkit-bug-importer youennf oldest_to_newest 1634935 0 Lawrence.j 2020-03-27 12:07:19 -0700 http/wpt/service-workers/service-worker-spinning-fetch.https.html Description: This test is flaky failing and crashing on Mac wk2. The flaky failures and crashes appear throughout the visible history, but are rather light in some areas. History: https://results.webkit.org/?suite=layout-tests&test=http%2Fwpt%2Fservice-workers%2Fservice-worker-spinning-fetch.https.html&platform=mac&limit=50000 Diff: --- /Volumes/Data/slave/mojave-release-tests-wk2/build/layout-test-results/http/wpt/service-workers/service-worker-spinning-fetch.https-expected.txt +++ /Volumes/Data/slave/mojave-release-tests-wk2/build/layout-test-results/http/wpt/service-workers/service-worker-spinning-fetch.https-actual.txt @@ -1,5 +1,5 @@ PASS Spin in fetch -PASS Spin after fetch +FAIL Spin after fetch promise_test: Unhandled rejection with value: "service worker is still running" stderr: ASSERTION FAILED: m_messageEventCount ./workers/service/context/ServiceWorkerThread.cpp(296) : void WebCore::ServiceWorkerThread::finishedFiringMessageEvent() 1 0x781b987b9 WTFCrash 2 0x76505744b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x76990f3cc WebCore::ServiceWorkerThread::finishedFiringMessageEvent() 4 0x769946000 WebCore::ServiceWorkerThread::queueTaskToPostMessage(WebCore::MessageWithMessagePorts&&, WTF::Variant<WebCore::ServiceWorkerData, WebCore::ServiceWorkerClientData>&&)::$_23::operator()()::'lambda'()::operator()() const 5 0x769945f89 WTF::Detail::CallableWrapper<WebCore::ServiceWorkerThread::queueTaskToPostMessage(WebCore::MessageWithMessagePorts&&, WTF::Variant<WebCore::ServiceWorkerData, WebCore::ServiceWorkerClientData>&&)::$_23::operator()()::'lambda'(), void>::call() 6 0x781bc316a WTF::Function<void ()>::operator()() const 7 0x781c0267b WTF::dispatchFunctionsFromMainThread() 8 0x781c05775 -[JSWTFMainThreadCaller call] 9 0x7fff43ea1742 __NSThreadPerformPerform 10 0x7fff41bc6683 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 11 0x7fff41bc6629 __CFRunLoopDoSource0 12 0x7fff41ba9feb __CFRunLoopDoSources0 13 0x7fff41ba95b5 __CFRunLoopRun 14 0x7fff41ba8ebe CFRunLoopRunSpecific 15 0x7fff43e0d7df -[NSRunLoop(NSRunLoop) runMode:beforeDate:] 16 0x7fff43e0d6b4 -[NSRunLoop(NSRunLoop) run] 17 0x7fff6dd38077 _xpc_objc_main 18 0x7fff6dd37b79 _xpc_copy_xpcservice_dictionary 19 0x7588a5958 WebKit::XPCServiceMain(int, char const**) 20 0x759c1aa4b WKXPCServiceMain 21 0x108c58ea2 main 22 0x7fff6daff3d5 start 23 0x1 LEAK: 1 WebPageProxy LEAK: 1 WebPage LEAK: 2 WebFrame LEAK: 9 RenderObject LEAK: 12 BidiRun LEAK: 1 Page LEAK: 2 Frame LEAK: 20 CachedResource LEAK: 29 WebCoreNode 1634936 1 webkit-bug-importer 2020-03-27 12:07:43 -0700 <rdar://problem/60978663> 1634942 2 Lawrence.j 2020-03-27 12:12:39 -0700 I have marked this test as failing and crashing while this issue is investigated. https://trac.webkit.org/changeset/259132/webkit 1634945 3 Lawrence.j 2020-03-27 12:16:27 -0700 I can reproduce the failures with r259121 and the command below. run-webkit-tests --iterations 1000 --force -f --exit-after-n-failures 3 http/wpt/service-workers/service-worker-spinning-fetch.https.html [75/1000] http/wpt/service-workers/service-worker-spinning-fetch.https.html failed unexpectedly (text diff) [202/1000] http/wpt/service-workers/service-worker-spinning-fetch.https.html failed unexpectedly (text diff) 1663442 4 youennf 2020-06-17 05:18:20 -0700 Reverted test expectation in https://trac.webkit.org/changeset/262409