[Webkit-unassigned] [Bug 273577] New: [ Ventura WK1 ] http/tests/media/hls/track-webvtt-multitracks.html is a mostly timeout/crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=273577

            Bug ID: 273577
           Summary: [ Ventura WK1 ]
                    http/tests/media/hls/track-webvtt-multitracks.html is
                    a mostly timeout/crash
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: j_stfleur at apple.com

Description:
http/tests/media/hls/track-webvtt-multitracks.html

Test is somewhat flaky but mainly crashing on debug also a flaky time out on release. Last pass was on 276050 at main, first crash occurred on 276054 at main. First timeout occured on 276315 at main

Buildbot URL:
https://build.webkit.org/#/builders/705/builds/6063

History:
https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fmedia%2Fhls%2Ftrack-webvtt-multitracks.html&version_name=Ventura&limit=50000&recent=false&flavor=wk1

Crash Log:

stderr:
ASSERTION FAILED: Uncaught exception - *** -[__NSArrayM objectAtIndex:]: index 0 beyond bounds for empty array
0
/Volumes/Data/worker/Apple-Ventura-Debug-Build/build/Source/WTF/wtf/BlockObjCExceptions.mm(39) : void ReportBlockedObjCException(NSException *__strong)
1   0x11b4c25ec WTFCrash
2   0x11b4e3030 ReportBlockedObjCException(NSException*)
3   0x124f6547c WebCore::MediaPlayerPrivateAVFoundationObjC::setCurrentTextTrack(WebCore::InbandTextTrackPrivateAVF*)
4   0x129dee1bc WebCore::MediaPlayerPrivateAVFoundation::configureInbandTracks()
5   0x129dee26c WebCore::MediaPlayerPrivateAVFoundation::trackModeChanged()
6   0x129dea1f0 WebCore::InbandTextTrackPrivateAVF::setMode(WebCore::InbandTextTrackPrivateMode)
7   0x1290417e0 WebCore::InbandTextTrack::setModeInternal(WebCore::TextTrack::Mode)
8   0x1290418b0 WebCore::InbandTextTrack::setMode(WebCore::TextTrack::Mode)
9   0x1268ee240 WebCore::setJSTextTrack_modeSetter(JSC::JSGlobalObject&, WebCore::JSTextTrack&, JSC::JSValue)::'lambda'()::operator()() const
10  0x1268ee1d8 void WebCore::invokeFunctorPropagatingExceptionIfNecessary<WebCore::setJSTextTrack_modeSetter(JSC::JSGlobalObject&, WebCore::JSTextTrack&, JSC::JSValue)::'lambda'()>(JSC::JSGlobalObject&, JSC::ThrowScope&, WebCore::setJSTextTrack_modeSetter(JSC::JSGlobalObject&, WebCore::JSTextTrack&, JSC::JSValue)::'lambda'()&&)
11  0x1268ee11c WebCore::setJSTextTrack_modeSetter(JSC::JSGlobalObject&, WebCore::JSTextTrack&, JSC::JSValue)
12  0x126848870 bool WebCore::IDLAttribute<WebCore::JSTextTrack>::set<&WebCore::setJSTextTrack_modeSetter(JSC::JSGlobalObject&, WebCore::JSTextTrack&, JSC::JSValue), (WebCore::CastedThisErrorBehavior)0>(JSC::JSGlobalObject&, long long, long long, JSC::PropertyName)
13  0x126848744 WebCore::setJSTextTrack_mode(JSC::JSGlobalObject*, long long, long long, JSC::PropertyName)
14  0x11d253fe0 WTF::FunctionPtr<(WTF::PtrTag)30177, bool (JSC::JSGlobalObject*, long long, long long, JSC::PropertyName), (WTF::FunctionAttributes)1>::operator()(JSC::JSGlobalObject*, long long, long long, JSC::PropertyName) const
15  0x11d253880 JSC::JSObject::putInlineSlow(JSC::JSGlobalObject*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&)
16  0x11c882608 JSC::JSObject::putInlineForJSObject(JSC::JSCell*, JSC::JSGlobalObject*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&)
17  0x11d008b2c JSC::JSCell::putInline(JSC::JSGlobalObject*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&)
18  0x11c88368c JSC::JSValue::putInline(JSC::JSGlobalObject*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&)
19  0x11ce638b0 llint_slow_path_put_by_id
20  0x11dc32ae0 llint_entry
21  0x11dc257b4 vmEntryToJavaScript
22  0x11ccc2418 JSC::Interpreter::executeEval(JSC::EvalExecutable*, JSC::JSValue, JSC::JSScope*)
23  0x11ccc0be8 JSC::eval(JSC::CallFrame*, JSC::JSValue, JSC::JSScope*, JSC::ECMAMode)
24  0x11ce70bc0 JSC::LLInt::commonCallDirectEval(JSC::CallFrame*, JSC::BaseInstruction<JSC::JSOpcodeTraits> const*, JSC::MacroAssemblerCodeRef<(WTF::PtrTag)357>)
25  0x11ce709b0 llint_slow_path_call_direct_eval
26  0x11dc4edc8 llint_entry
27  0x11dc4d148 llint_entry
28  0x11dc4c02c llint_entry
29  0x11dc4c02c llint_entry
30  0x11dc4d148 llint_entry
31  0x11dc257b4 vmEntryToJavaScript

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