Bug 237172

Summary: [ BigSur+ EWS ] imported/w3c/web-platform-tests/speech-api/SpeechSynthesis-speak-twice.html is a flaky ASSERTION FAILED / failure
Product: WebKit Reporter: Dawn Morningstar <Morningstar>
Component: New BugsAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: cfleizach, jenner, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
expectations none

Description Dawn Morningstar 2022-02-24 17:51:06 PST 
imported/w3c/web-platform-tests/speech-api/SpeechSynthesis-speak-twice.html
Is flakily assertion failed and failing on Mac and EWS

HISTORY:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fspeech-api%2FSpeechSynthesis-speak-twice.html

DIFF:
--- /Volumes/Data/worker/bigsur-release-applesilicon-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/speech-api/SpeechSynthesis-speak-twice-expected.txt
+++ /Volumes/Data/worker/bigsur-release-applesilicon-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/speech-api/SpeechSynthesis-speak-twice-actual.txt
@@ -1,3 +1,5 @@
 
-PASS Using the same SpeechSynthesisUtterance twice for speechSynthesis.speak()
+Harness Error (TIMEOUT), message = null
 
+TIMEOUT Using the same SpeechSynthesisUtterance twice for speechSynthesis.speak() Test timed out
+

DIFF-URL:
https://build.webkit.org/results/Apple-BigSur-Release-AppleSilicon-WK1-Tests/r290470%20(7931)/imported/w3c/web-platform-tests/speech-api/SpeechSynthesis-speak-twice-diff.txt

stderr:
ASSERTION FAILED: m_wrapper

CRASH-LOG:
https://build.webkit.org/results/Apple-Monterey-Debug-AppleSilicon-WK1-Tests/r290328%20(1549)/imported/w3c/web-platform-tests/speech-api/SpeechSynthesis-speak-twice-crash-log.txt
Comment 1 Radar WebKit Bug Importer 2022-02-24 17:51:35 PST 
<rdar://problem/89450002>
Comment 2 Dawn Morningstar 2022-02-24 17:53:41 PST 
Setting expectations while this is being investigated as it is slowing down EWS.
Comment 3 Dawn Morningstar 2022-02-24 17:59:09 PST 
Created attachment 453161 [details]
expectations
Comment 4 Robert Jenner 2022-02-24 18:05:09 PST 
Comment on attachment 453161 [details]
expectations

Clearing flags on attachment: 453161

Committed r290486 (247779@trunk): <https://commits.webkit.org/247779@trunk>
Comment 5 Dawn Morningstar 2022-02-25 18:35:26 PST 
failure was replicated at Monterey production TOT using:
run-webkit-tests imported/w3c/web-platform-tests/speech-api/SpeechSynthesis-speak-twice.html
Comment 6 Ryan Haddad 2022-03-09 15:22:42 PST 
The assertion failure is:
ASSERTION FAILED: m_wrapper
./bindings/js/JSEventListener.h(157) : JSC::JSObject *WebCore::JSEventListener::ensureJSFunction(WebCore::ScriptExecutionContext &) const
1   0x150849bbc WTFCrash
2   0x104267d90 WTFCrashWithInfo(int, char const*, char const*, int)
3   0x10662fbc0 WebCore::JSEventListener::ensureJSFunction(WebCore::ScriptExecutionContext&) const
4   0x10662f288 WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&)
5   0x106ee8b98 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   0x106ee8710 WebCore::EventTarget::fireEventListeners(WebCore::Event&, WebCore::EventTarget::EventInvokePhase)
7   0x106ee85d0 WebCore::EventTarget::dispatchEvent(WebCore::Event&)
8   0x10617c07c WebCore::SpeechSynthesis::fireEvent(WTF::AtomString const&, WebCore::SpeechSynthesisUtterance&, unsigned long, WTF::String const&)
9   0x10617c28c WebCore::SpeechSynthesis::handleSpeakingCompleted(WebCore::SpeechSynthesisUtterance&, bool)
10  0x10617cb2c WebCore::SpeechSynthesis::didFinishSpeaking(WebCore::PlatformSpeechSynthesisUtterance&)
11  0x10617c700 WebCore::SpeechSynthesis::didFinishSpeaking()
12  0x12c821e10 WebKit::WebSpeechSynthesisClient::speak(WTF::RefPtr<WebCore::PlatformSpeechSynthesisUtterance, WTF::RawPtrTraits<WebCore::PlatformSpeechSynthesisUtterance>, WTF::DefaultRefDerefTraits<WebCore::PlatformSpeechSynthesisUtterance> >)::$_9::operator()()
13  0x12c821cfc WTF::Detail::CallableWrapper<WebKit::WebSpeechSynthesisClient::speak(WTF::RefPtr<WebCore::PlatformSpeechSynthesisUtterance, WTF::RawPtrTraits<WebCore::PlatformSpeechSynthesisUtterance>, WTF::DefaultRefDerefTraits<WebCore::PlatformSpeechSynthesisUtterance> >)::$_9, void>::call()
14  0x12a59562c WTF::Function<void ()>::operator()() const