215118 2020-08-03 20:53:52 -0700 REGRESSION (r265019): ASSERTION FAILED: !m_impl || m_impl->wasConstructedOnMainThread() == isMainThread() under WebCore::PlaybackSessionInterfaceAVKit::invalidate() 2020-08-04 13:45:23 -0700 1 1 1 Unclassified WebKit Media Other Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=214895 InRadar P2 Normal --- 1 ryanhaddad peng.liu6 eric.carlson jer.noble peng.liu6 webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1677556 0 ryanhaddad 2020-08-03 20:53:52 -0700 Seeing the following assertion failure on iOS Debug bots: TestWebKitAPI.WebKitLegacy.AudioSessionCategoryIOS MRMediaRemoteSetNowPlayingApplicationPlaybackStateForOrigin(playing) failed with error 3 MRMediaRemoteSetNowPlayingApplicationPlaybackStateForOrigin(playing) failed with error 3 2020-08-03 20:26:24.950 TestWebKitAPI[94363:465451690] *** Warning: <AVPlayerViewController: 0x7fa59404b400> is trying to enter full screen, but is not in its view's window's view controller hierarchy. This results in undefined behavior. MRMediaRemoteSetNowPlayingApplicationPlaybackStateForOrigin(stopped) failed with error 3 ASSERTION FAILED: !m_impl || m_impl->wasConstructedOnMainThread() == isMainThread() /Volumes/Data/slave/ios-simulator-13-debug/build/WebKitBuild/Debug-iphonesimulator/usr/local/include/wtf/WeakPtr.h(107) : T *WTF::WeakPtr<WebCore::PlaybackSessionModel, WTF::EmptyCounter>::operator->() const [T = WebCore::PlaybackSessionModel, Counter = WTF::EmptyCounter] 1 0x1117c58a9 WTFCrash 2 0x128ee5abb WTFCrashWithInfo(int, char const*, char const*, int) 3 0x129386999 WTF::WeakPtr<WebCore::PlaybackSessionModel, WTF::EmptyCounter>::operator->() const 4 0x129385890 WebCore::PlaybackSessionInterfaceAVKit::invalidate() 5 0x1293857bd WebCore::PlaybackSessionInterfaceAVKit::~PlaybackSessionInterfaceAVKit() 6 0x1293858e5 WebCore::PlaybackSessionInterfaceAVKit::~PlaybackSessionInterfaceAVKit() 7 0x12938590c WebCore::PlaybackSessionInterfaceAVKit::~PlaybackSessionInterfaceAVKit() 8 0x12da1561f std::__1::default_delete<WebCore::PlaybackSessionInterfaceAVKit>::operator()(WebCore::PlaybackSessionInterfaceAVKit*) const 9 0x12da155e2 WTF::RefCounted<WebCore::PlaybackSessionInterfaceAVKit, std::__1::default_delete<WebCore::PlaybackSessionInterfaceAVKit> >::deref() const 10 0x12da15575 WTF::Ref<WebCore::PlaybackSessionInterfaceAVKit, WTF::DumbPtrTraits<WebCore::PlaybackSessionInterfaceAVKit> >::~Ref() 11 0x12da0df25 WTF::Ref<WebCore::PlaybackSessionInterfaceAVKit, WTF::DumbPtrTraits<WebCore::PlaybackSessionInterfaceAVKit> >::~Ref() 12 0x12da0e15d WebCore::VideoFullscreenInterfaceAVKit::~VideoFullscreenInterfaceAVKit() 13 0x12da0e375 WebCore::VideoFullscreenInterfaceAVKit::~VideoFullscreenInterfaceAVKit() 14 0x12da0e3bc WebCore::VideoFullscreenInterfaceAVKit::~VideoFullscreenInterfaceAVKit() 15 0x12da15ac4 WTF::ThreadSafeRefCounted<WebCore::VideoFullscreenInterfaceAVKit, (WTF::DestructionThread)2>::deref() const::'lambda'()::operator()() const 16 0x12da15a17 WTF::ThreadSafeRefCounted<WebCore::VideoFullscreenInterfaceAVKit, (WTF::DestructionThread)2>::deref() const 17 0x12da15947 void WTF::derefIfNotNull<WebCore::VideoFullscreenInterfaceAVKit>(WebCore::VideoFullscreenInterfaceAVKit*) 18 0x12da15909 WTF::RefPtr<WebCore::VideoFullscreenInterfaceAVKit, WTF::DumbPtrTraits<WebCore::VideoFullscreenInterfaceAVKit> >::~RefPtr() 19 0x12da0c405 WTF::RefPtr<WebCore::VideoFullscreenInterfaceAVKit, WTF::DumbPtrTraits<WebCore::VideoFullscreenInterfaceAVKit> >::~RefPtr() 20 0x12da0c3e5 -[WebAVPlayerLayer .cxx_destruct] 21 0x11bc41d0c object_cxxDestructFromClass(objc_object*, objc_class*) 22 0x11bc52465 objc_destructInstance 23 0x11bc58296 -[NSObject dealloc] 24 0x11b189877 -[CALayer dealloc] 25 0x12da0a555 -[WebAVPlayerLayer dealloc] 26 0x11b6a5eed __delayedPerformCleanup 27 0x11bde3849 CFRunLoopTimerInvalidate 28 0x11bde50c8 __CFRunLoopDoTimer 29 0x11bde46ea __CFRunLoopDoTimers 30 0x11bddf33e __CFRunLoopRun 31 0x11bdde884 CFRunLoopRunSpecific Child process terminated with signal 11: Segmentation fault https://results.webkit.org/?suite=api-tests&test=TestWebKitAPI.WebKitLegacy.AudioSessionCategoryIOS 1677557 1 webkit-bug-importer 2020-08-03 20:54:17 -0700 <rdar://problem/66506111> 1677558 2 ryanhaddad 2020-08-03 20:57:57 -0700 Test history suggests that this was caused by https://trac.webkit.org/changeset/265019 1677682 3 405934 peng.liu6 2020-08-04 11:57:10 -0700 Created attachment 405934 Patch 1677715 4 ews-feeder 2020-08-04 13:45:23 -0700 Committed r265257: <https://trac.webkit.org/changeset/265257> All reviewed patches have been landed. Closing bug and clearing flags on attachment 405934. 405934 2020-08-04 11:57:10 -0700 2020-08-04 13:45:23 -0700 Patch bug-215118-20200804115710.patch text/plain 3021 peng.liu6 U3VidmVyc2lvbiBSZXZpc2lvbjogMjY1MTcxCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggNzQzMzUzZmU1ZThjOTRh NWQ1ZmNkOTgzNTc4YWNmOTQzYTIzM2M5Mi4uZjBkN2JkNWE3YjE0OGZhMzhkMDA5MmFiY2U3NGYx ZjIwMWJlZmExMiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDIyIEBACisyMDIwLTA4LTA0ICBQZW5n IExpdSAgPHBlbmcubGl1NkBhcHBsZS5jb20+CisKKyAgICAgICAgUkVHUkVTU0lPTiAocjI2NTAx OSk6IEFTU0VSVElPTiBGQUlMRUQ6ICFtX2ltcGwgfHwgbV9pbXBsLT53YXNDb25zdHJ1Y3RlZE9u TWFpblRocmVhZCgpID09IGlzTWFpblRocmVhZCgpIHVuZGVyIFdlYkNvcmU6OlBsYXliYWNrU2Vz c2lvbkludGVyZmFjZUFWS2l0OjppbnZhbGlkYXRlKCkKKyAgICAgICAgaHR0cHM6Ly9idWdzLndl YmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTIxNTExOAorCisgICAgICAgIFJldmlld2VkIGJ5IE5P Qk9EWSAoT09QUyEpLgorCisgICAgICAgIFJldmVydCB0aGUgY2hhbmdlIGFib3V0IHVzaW5nIGEg V2Vha1B0ciBvZiBQbGF5YmFja1Nlc3Npb25Nb2RlbCBpbiByMjY1MDE5LgorICAgICAgICBPbiBX SzEsIGEgVmlkZW9GdWxsc2NyZWVuQ29udHJvbGxlckNvbnRleHQgKGEgc3ViY2xhc3Mgb2YgUGxh eWJhY2tTZXNzaW9uTW9kZWwpCisgICAgICAgIG9iamVjdCBpcyBjcmVhdGVkIG9uIHRoZSBtYWlu IHRocmVhZCwgc28gd2UgY2Fubm90IHVzZSBhIFdlYWtQdHIgb2YgaXQgb24KKyAgICAgICAgdGhl IFVJIHRocmVhZC4KKworICAgICAgICBObyBuZXcgdGVzdHMsIGZpeCBhbiBBUEkgdGVzdCBmYWls dXJlOiBXZWJLaXRMZWdhY3kuQXVkaW9TZXNzaW9uQ2F0ZWdvcnlJT1MuCisKKyAgICAgICAgKiBw bGF0Zm9ybS9pb3MvUGxheWJhY2tTZXNzaW9uSW50ZXJmYWNlQVZLaXQuaDoKKyAgICAgICAgKiBw bGF0Zm9ybS9pb3MvUGxheWJhY2tTZXNzaW9uSW50ZXJmYWNlQVZLaXQubW06CisgICAgICAgIChX ZWJDb3JlOjpQbGF5YmFja1Nlc3Npb25JbnRlcmZhY2VBVktpdDo6UGxheWJhY2tTZXNzaW9uSW50 ZXJmYWNlQVZLaXQpOgorICAgICAgICAoV2ViQ29yZTo6UGxheWJhY2tTZXNzaW9uSW50ZXJmYWNl QVZLaXQ6OnBsYXliYWNrU2Vzc2lvbk1vZGVsIGNvbnN0KToKKwogMjAyMC0wNy0zMSAgTXlsZXMg Qy4gTWF4ZmllbGQgIDxtbWF4ZmllbGRAYXBwbGUuY29tPgogCiAgICAgICAgIENsZWFuIHVwIHRl eHQgbGF5b3V0IGNvZGUgYSBiaXQKZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJDb3JlL3BsYXRmb3Jt L2lvcy9QbGF5YmFja1Nlc3Npb25JbnRlcmZhY2VBVktpdC5oIGIvU291cmNlL1dlYkNvcmUvcGxh dGZvcm0vaW9zL1BsYXliYWNrU2Vzc2lvbkludGVyZmFjZUFWS2l0LmgKaW5kZXggZDZjZmVlMTQz ZDg0YzcwMjBkN2MxYTU5Y2U0NTljODRmODVlY2FlOC4uYjQ4OTQyMzcwZTExNWE2NzcxM2MwMjIw MTM2M2QyZGNiOWFhZDliOCAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvcGxhdGZvcm0vaW9z L1BsYXliYWNrU2Vzc2lvbkludGVyZmFjZUFWS2l0LmgKKysrIGIvU291cmNlL1dlYkNvcmUvcGxh dGZvcm0vaW9zL1BsYXliYWNrU2Vzc2lvbkludGVyZmFjZUFWS2l0LmgKQEAgLTgxLDcgKzgxLDcg QEAgcHVibGljOgogcHJpdmF0ZToKICAgICBQbGF5YmFja1Nlc3Npb25JbnRlcmZhY2VBVktpdChQ bGF5YmFja1Nlc3Npb25Nb2RlbCYpOwogICAgIFJldGFpblB0cjxXZWJBVlBsYXllckNvbnRyb2xs ZXI+IG1fcGxheWVyQ29udHJvbGxlcjsKLSAgICBXZWFrUHRyPFBsYXliYWNrU2Vzc2lvbk1vZGVs PiBtX3BsYXliYWNrU2Vzc2lvbk1vZGVsOworICAgIFBsYXliYWNrU2Vzc2lvbk1vZGVsKiBtX3Bs YXliYWNrU2Vzc2lvbk1vZGVsIHsgbnVsbHB0ciB9OwogfTsKIAogfQpkaWZmIC0tZ2l0IGEvU291 cmNlL1dlYkNvcmUvcGxhdGZvcm0vaW9zL1BsYXliYWNrU2Vzc2lvbkludGVyZmFjZUFWS2l0Lm1t IGIvU291cmNlL1dlYkNvcmUvcGxhdGZvcm0vaW9zL1BsYXliYWNrU2Vzc2lvbkludGVyZmFjZUFW S2l0Lm1tCmluZGV4IGQ1NGJkMjIwOGI2ODliY2JkMjhjNjE1Yzc0ZjkwMjBjOGJkZTUwODguLjBh ZTllNmRkNjNmNTYyNWVkOGViMGM4ZWVjMDg2NmEzNjQ1YmZjZmQgMTAwNjQ0Ci0tLSBhL1NvdXJj ZS9XZWJDb3JlL3BsYXRmb3JtL2lvcy9QbGF5YmFja1Nlc3Npb25JbnRlcmZhY2VBVktpdC5tbQor KysgYi9Tb3VyY2UvV2ViQ29yZS9wbGF0Zm9ybS9pb3MvUGxheWJhY2tTZXNzaW9uSW50ZXJmYWNl QVZLaXQubW0KQEAgLTUxLDcgKzUxLDcgQEAgdXNpbmcgbmFtZXNwYWNlIFBBTDsKIAogUGxheWJh Y2tTZXNzaW9uSW50ZXJmYWNlQVZLaXQ6OlBsYXliYWNrU2Vzc2lvbkludGVyZmFjZUFWS2l0KFBs YXliYWNrU2Vzc2lvbk1vZGVsJiBtb2RlbCkKICAgICA6IG1fcGxheWVyQ29udHJvbGxlcihhZG9w dE5TKFtbV2ViQVZQbGF5ZXJDb250cm9sbGVyIGFsbG9jXSBpbml0XSkpCi0gICAgLCBtX3BsYXli YWNrU2Vzc2lvbk1vZGVsKG1ha2VXZWFrUHRyKG1vZGVsKSkKKyAgICAsIG1fcGxheWJhY2tTZXNz aW9uTW9kZWwoJm1vZGVsKQogewogICAgIEFTU0VSVChpc1VJVGhyZWFkKCkpOwogICAgIG1vZGVs LmFkZENsaWVudCgqdGhpcyk7CkBAIC04MSw3ICs4MSw3IEBAIFBsYXliYWNrU2Vzc2lvbkludGVy ZmFjZUFWS2l0Ojp+UGxheWJhY2tTZXNzaW9uSW50ZXJmYWNlQVZLaXQoKQogCiBQbGF5YmFja1Nl c3Npb25Nb2RlbCogUGxheWJhY2tTZXNzaW9uSW50ZXJmYWNlQVZLaXQ6OnBsYXliYWNrU2Vzc2lv bk1vZGVsKCkgY29uc3QKIHsKLSAgICByZXR1cm4gbV9wbGF5YmFja1Nlc3Npb25Nb2RlbC5nZXQo KTsKKyAgICByZXR1cm4gbV9wbGF5YmFja1Nlc3Npb25Nb2RlbDsKIH0KIAogdm9pZCBQbGF5YmFj a1Nlc3Npb25JbnRlcmZhY2VBVktpdDo6ZHVyYXRpb25DaGFuZ2VkKGRvdWJsZSBkdXJhdGlvbikK