REGRESSION (r287574): ASSERTION FAILED: !m_impl || !m_shouldEnableAssertions || m_impl->wasConstructedOnMainThread() == isMainThread() under WebCore::AVTrackPrivateAVFObjCImpl::initializeAssetTrack()

• Component: Media
• Status: RESOLVED FIXED

[Ryan Haddad]

The following API tests are asserting on iOS Debug bots:

TestWebKitAPI.WebKitLegacy.AudioSessionCategoryIOS
TestWebKitAPI.WebKitLegacy.PreemptVideoFullscreen
TestWebKitAPI.WebKitLegacy.ScrollingDoesNotPauseMedia

        ASSERTION FAILED: !m_impl || !m_shouldEnableAssertions || m_impl->wasConstructedOnMainThread() == isMainThread()
        /Volumes/Data/worker/ios-simulator-15-debug/build/WebKitBuild/Debug-iphonesimulator/usr/local/include/wtf/WeakPtr.h(148) : T *WTF::WeakPtr<WebCore::AVTrackPrivateAVFObjCImpl>::operator->() const
        1   0x117b9ef99 WTFCrash
        2   0x16712b27b WTFCrashWithInfo(int, char const*, char const*, int)
        3   0x1671c554a WTF::WeakPtr<WebCore::AVTrackPrivateAVFObjCImpl, WTF::EmptyCounter>::operator->() const
        4   0x1671c53bf WebCore::AVTrackPrivateAVFObjCImpl::initializeAssetTrack()::$_0::operator()()::'lambda'()::operator()() const
        5   0x1671c52f9 WTF::Detail::CallableWrapper<WebCore::AVTrackPrivateAVFObjCImpl::initializeAssetTrack()::$_0::operator()()::'lambda'(), void>::call()
        6   0x117bcc3a2 WTF::Function<void ()>::operator()() const
        7   0x117c5e27e WTF::RunLoop::performWork()
        8   0x117c62aae WTF::RunLoop::performWork(void*)
        9   0x10da57e25 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
        10  0x10da57d1d __CFRunLoopDoSource0
        11  0x10da571f2 __CFRunLoopDoSources0
        12  0x10da51951 __CFRunLoopRun
        13  0x10da51103 CFRunLoopRunSpecific
        14  0x10e6cc41c -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
        15  0x106f2fc53 TestWebKitAPI::Util::run(bool*)
        16  0x10635ce03 TestWebKitAPI::WebKitLegacy_AudioSessionCategoryIOS_Test::TestBody()
        17  0x106fa80fb void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*)
        18  0x106f7f95a void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*)
        19  0x106f7f8a3 testing::Test::Run()
        20  0x106f80931 testing::TestInfo::Run()
        21  0x106f819b4 testing::TestSuite::Run()
        22  0x106f9052f testing::internal::UnitTestImpl::RunAllTests()
        23  0x106fac40b bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*)
        24  0x106f8ff0a bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*)
        25  0x106f8fdeb testing::UnitTest::Run()
        26  0x10674cf11 RUN_ALL_TESTS()
        27  0x10674cea6 TestWebKitAPI::TestsController::run(int, char**)
        28  0x106f53cfb main
        29  0x109542e1e

https://results.webkit.org/?suite=api-tests&suite=api-tests&suite=api-tests&test=TestWebKitAPI.WebKitLegacy.AudioSessionCategoryIOS&test=TestWebKitAPI.WebKitLegacy.PreemptVideoFullscreen&test=TestWebKitAPI.WebKitLegacy.ScrollingDoesNotPauseMedia

Test history suggests this regressed with https://trac.webkit.org/changeset/287574/webkit

[Radar WebKit Bug Importer]

<rdar://problem/87518939>

[Jer Noble]

Created attachment 452923 [details]
Patch

[Alexey Proskuryakov]

Comment on attachment 452923 [details]
Patch

r=ews

Are there any tests to unskip?

[EWS]

Committed r290372 (247688@main): <https://commits.webkit.org/247688@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 452923 [details].

[Ryan Haddad]

(In reply to Alexey Proskuryakov from comment #3)
> Comment on attachment 452923 [details]
> Patch
> 
> r=ews
> 
> Are there any tests to unskip?
No, thanks for checking.