235264 2022-01-15 03:51:33 -0800 SharedMemory::Handle::takeOwnershipOfMemory should assert that null handle is not being used 2022-01-27 12:17:19 -0800 1 1 1 Unclassified WebKit WebKit2 Other Unspecified Unspecified ASSIGNED https://bugs.webkit.org/show_bug.cgi?id=235226 InRadar P2 Normal --- 1 kkinnunen kkinnunen cdumez kkinnunen webkit-bug-importer oldest_to_newest 1831175 0 kkinnunen 2022-01-15 03:51:33 -0800 SharedMemory::Handle::takeOwnershipOfMemory should assert that null handle is not being used Taking ownership of a memory that doesn't exist is a programming error. ASSERTION FAILED: m_port /Volumes/Data/worker/macOS-AppleSilicon-Big-Sur-Debug-Build-EWS/build/Source/WebKit/Platform/cocoa/SharedMemoryCocoa.cpp(102) : void WebKit::SharedMemory::Handle::takeOwnershipOfMemory(WebKit::MemoryLedger) const 1 0x13ca169bc WTFCrash 2 0x103b95400 WebKit::Daemon::Decoder::~Decoder() 3 0x103bf8a18 WebKit::SharedMemory::Handle::takeOwnershipOfMemory(WebKit::MemoryLedger) const 4 0x10491c7b0 WebKit::RemoteAudioSourceProviderManager::RemoteAudio::setStorage(WebKit::SharedMemory::Handle const&, WebCore::CAAudioStreamDescription const&, unsigned long long) 5 0x10491c5d0 WebKit::RemoteAudioSourceProviderManager::audioStorageChanged(WTF::ObjectIdentifier<WebCore::MediaPlayerIdentifierType>, WebKit::SharedMemory::IPCHandle const&, WebCore::CAAudioStreamDescription const&, unsigned long long) 6 0x1032dc808 void IPC::callMemberFunctionImpl<WebKit::RemoteAudioSourceProviderManager, void (WebKit::RemoteAudioSourceProviderManager::*)(WTF::ObjectIdentifier<WebCore::MediaPlayerIdentifierType>, WebKit::SharedMemory::IPCHandle const&, WebCore::CAAudioStreamDescription const&, unsigned long long), std::__1::tuple<WTF::ObjectIdentifier<WebCore::MediaPlayerIdentifierType>, WebKit::SharedMemory::IPCHandle, WebCore::CAAudioStreamDescription, unsigned long long>, 0ul, 1ul, 2ul, 3ul>(WebKit::RemoteAudioSourceProviderManager*, void (WebKit::RemoteAudioSourceProviderManager::*)(WTF::ObjectIdentifier<WebCore::MediaPlayerIdentifierType>, WebKit::SharedMemory::IPCHandle const&, WebCore::CAAudioStreamDescription const&, unsigned long long), std::__1::tuple<WTF::ObjectIdentifier<WebCore::MediaPlayerIdentifierType>, WebKit::SharedMemory::IPCHandle, WebCore::CAAudioStreamDescription, unsigned long long>&&, std::__1::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul>) 7 0x1032db340 void IPC::callMemberFunction<WebKit::RemoteAudioSourceProviderManager, void (WebKit::RemoteAudioSourceProviderManager::*)(WTF::ObjectIdentifier<WebCore::MediaPlayerIdentifierType>, WebKit::SharedMemory::IPCHandle const&, WebCore::CAAudioStreamDescription const&, unsigned long long), std::__1::tuple<WTF::ObjectIdentifier<WebCore::MediaPlayerIdentifierType>, WebKit::SharedMemory::IPCHandle, WebCore::CAAudioStreamDescription, unsigned long long>, std::__1::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul> >(std::__1::tuple<WTF::ObjectIdentifier<WebCore::MediaPlayerIdentifierType>, WebKit::SharedMemory::IPCHandle, WebCore::CAAudioStreamDescription, unsigned long long>&&, WebKit::RemoteAudioSourceProviderManager*, void (WebKit::RemoteAudioSourceProviderManager::*)(WTF::ObjectIdentifier<WebCore::MediaPlayerIdentifierType>, WebKit::SharedMemory::IPCHandle const&, WebCore::CAAudioStreamDescription const&, unsigned long long)) 8 0x1032b1b54 void IPC::handleMessage<Messages::RemoteAudioSourceProviderManager::AudioStorageChanged, WebKit::RemoteAudioSourceProviderManager, void (WebKit::RemoteAudioSourceProviderManager::*)(WTF::ObjectIdentifier<WebCore::MediaPlayerIdentifierType>, WebKit::SharedMemory::IPCHandle const&, WebCore::CAAudioStreamDescription const&, unsigned long long)>(IPC::Connection&, IPC::Decoder&, WebKit::RemoteAudioSourceProviderManager*, void (WebKit::RemoteAudioSourceProviderManager::*)(WTF::ObjectIdentifier<WebCore::MediaPlayerIdentifierType>, WebKit::SharedMemory::IPCHandle const&, WebCore::CAAudioStreamDescription const&, unsigned long long)) 9 0x1032b1988 WebKit::RemoteAudioSourceProviderManager::didReceiveMessage(IPC::Connection&, IPC::Decoder&) 10 0x103b52b60 IPC::Connection::dispatchMessageReceiverMessage(IPC::MessageReceiver&, std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >&&) 1833000 1 webkit-bug-importer 2022-01-22 03:52:17 -0800 <rdar://problem/87922927> 1834230 2 cdumez 2022-01-26 12:13:42 -0800 @Kimmo: Are you planning on fixing this? I am asking because the bug is assigned to me on Bugzilla but to me in Radar :) 1834644 3 kkinnunen 2022-01-27 12:17:19 -0800 I can take it but feel free to submit a patch if it's easy for you :)