Bug 273501 – [ Ventura WK1 Debug ] 2x imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode are constant crashes

• Status: RESOLVED
• Resolution: FIXED
• Component: New Bugs

[Jay Stfleur]

Description:
imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-disabled.html 
imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode.html 

Both tests were previously crashing on Ventura Wk1 release and debug, after fixed was summited. Test is now crashing only in Debug. Tests were originally unskipped on 274958@main

Buildbot URL:
https://build.webkit.org/#/builders/703/builds/5475

History:
https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fsemantics%2Fembedded-content%2Fmedia-elements%2Ftrack%2Ftrack-element%2Ftrack-mode-disabled.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fsemantics%2Fembedded-content%2Fmedia-elements%2Ftrack%2Ftrack-element%2Ftrack-mode.html&version_name=Ventura&limit=50000&recent=false

Diff/Image Diff/Crash Log:
https://build.webkit.org/results/Apple-Ventura-Debug-WK1-Tests/278151@main%20(5475)/imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-crash-log.txt

https://build.webkit.org/results/Apple-Ventura-Debug-WK1-Tests/278151@main%20(5475)/imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-disabled-crash-log.txt

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   0x117095f69 WTFCrash
2   0x1170b8602 ReportBlockedObjCException(NSException*)
3   0x16cee1ba5 WebCore::MediaPlayerPrivateAVFoundationObjC::setCurrentTextTrack(WebCore::InbandTextTrackPrivateAVF*)
4   0x171e2d4f4 WebCore::MediaPlayerPrivateAVFoundation::configureInbandTracks()
5   0x171e2d599 WebCore::MediaPlayerPrivateAVFoundation::trackModeChanged()
6   0x171e2968c WebCore::InbandTextTrackPrivateAVF::setMode(WebCore::InbandTextTrackPrivateMode)
7   0x16cec7280 WebCore::MediaPlayerPrivateAVFoundationObjC::synchronizeTextTrackState()
8   0x171e2d3fa WebCore::MediaPlayerPrivateAVFoundation::configureInbandTracks()
9   0x171e2d599 WebCore::MediaPlayerPrivateAVFoundation::trackModeChanged()
10  0x16cec6e35 WebCore::MediaPlayerPrivateAVFoundationObjC::notifyTrackModeChanged()
11  0x171d5d103 WebCore::MediaPlayer::notifyTrackModeChanged()
12  0x170e26c6e WebCore::HTMLMediaElement::textTrackModeChanged(WebCore::TextTrack&)
13  0x17110e081 auto WebCore::TextTrack::setMode(WebCore::TextTrack::Mode)::$_7::operator()<WebCore::TextTrackClient>(WebCore::TextTrackClient&) const
14  0x17110e031 WTF::Detail::CallableWrapper<WebCore::TextTrack::setMode(WebCore::TextTrack::Mode)::$_7, void, WebCore::TextTrackClient&>::call(WebCore::TextTrackClient&)
15  0x171109aaa WTF::Function<void (WebCore::TextTrackClient&)>::operator()(WebCore::TextTrackClient&) const
16  0x1710f8ff2 WTF::WeakHashSet<WebCore::TextTrackClient, WTF::DefaultWeakPtrImpl, (WTF::EnableWeakPtrThreadingAssertions)1>::forEach(WTF::Function<void (WebCore::TextTrackClient&)> const&)
17  0x1710f8aa1 WebCore::TextTrack::setMode(WebCore::TextTrack::Mode)
18  0x16ea83c2f WebCore::setJSTextTrack_modeSetter(JSC::JSGlobalObject&, WebCore::JSTextTrack&, JSC::JSValue)::'lambda'()::operator()() const
19  0x16ea83bcd 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'()&&)
20  0x16ea83b1c WebCore::setJSTextTrack_modeSetter(JSC::JSGlobalObject&, WebCore::JSTextTrack&, JSC::JSValue)
21  0x16e9d3f66 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)
22  0x16e9d3de5 WebCore::setJSTextTrack_mode(JSC::JSGlobalObject*, long long, long long, JSC::PropertyName)
23  0x118dd0860 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
24  0x118ec5023 JSC::JSObject::putInlineSlow(JSC::JSGlobalObject*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&)
25  0x118536e68 JSC::JSObject::putInlineForJSObject(JSC::JSCell*, JSC::JSGlobalObject*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&)
26  0x118536b46 JSC::JSCell::putInline(JSC::JSGlobalObject*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&)
27  0x118538510 JSC::JSValue::putInline(JSC::JSGlobalObject*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&)
28  0x118adf0f9 llint_slow_path_put_by_id
29  0x11990a448 llint_entry
30  0x119923426 llint_entry
31  0x119923426 llint_entry

[Radar WebKit Bug Importer]

<rdar://problem/127302101>

[EWS]

Test gardening commit 278174@main (008a006df270): <https://commits.webkit.org/278174@main>

Reviewed commits have been landed. Closing PR #27938 and removing active labels.

[Jay Stfleur]

*** Bug 273577 has been marked as a duplicate of this bug. ***

[Eric Carlson]

Pull request: https://github.com/WebKit/WebKit/pull/28498

[EWS]

Committed 278754@main (75dd6c5e94b3): <https://commits.webkit.org/278754@main>

Reviewed commits have been landed. Closing PR #28498 and removing active labels.