[Webkit-unassigned] [Bug 238298] New: REGRESSION (GPUP?): [iOS] ASSERTION FAILED: imageBufferCount == m_imageBufferCount

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=238298

            Bug ID: 238298
           Summary: REGRESSION (GPUP?): [iOS] ASSERTION FAILED:
                    imageBufferCount == m_imageBufferCount
           Product: WebKit
           Version: Safari 13
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com

The following assertion failure is seen on iOS debug bots:

ASSERTION FAILED: imageBufferCount == m_imageBufferCount
/Volumes/Data/worker/ios-simulator-15-debug/build/Source/WebKit/GPUProcess/graphics/QualifiedResourceHeap.h(225) : void WebKit::QualifiedResourceHeap::checkInvariants() const
1   0x1438b6b09 WTFCrash
2   0x125dc1b4b WTFCrashWithInfo(int, char const*, char const*, int)
3   0x126a10bbd WebKit::QualifiedResourceHeap::checkInvariants() const
4   0x126a1daac void WebKit::QualifiedResourceHeap::add<WebCore::Font>(WebCore::ProcessQualified<WTF::ObjectIdentifier<WebCore::RenderingResourceIdentifierType> >, WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> >&&, unsigned int&)
5   0x126a04cd4 WebKit::QualifiedResourceHeap::add(WebCore::ProcessQualified<WTF::ObjectIdentifier<WebCore::RenderingResourceIdentifierType> >, WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> >&&)
6   0x126a03026 WebKit::RemoteResourceCache::cacheFont(WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> >&&, WebCore::ProcessQualified<WTF::ObjectIdentifier<WebCore::RenderingResourceIdentifierType> >)
7   0x126a02f46 WebKit::RemoteRenderingBackend::cacheFontWithQualifiedIdentifier(WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> >&&, WebCore::ProcessQualified<WTF::ObjectIdentifier<WebCore::RenderingResourceIdentifierType> >)
8   0x126a02e09 WebKit::RemoteRenderingBackend::cacheFont(WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> >&&)
9   0x1269b1817 void IPC::callMemberFunctionImpl<WebKit::RemoteRenderingBackend, void (WebKit::RemoteRenderingBackend::*)(WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> >&&), std::__1::tuple<WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> > >, 0ul>(WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> >&&), std::__1::tuple<WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> > >&&, std::__1::integer_sequence<unsigned long, 0ul>)
10  0x1269b044d void IPC::callMemberFunction<WebKit::RemoteRenderingBackend, void (WebKit::RemoteRenderingBackend::*)(WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> >&&), std::__1::tuple<WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> > >, std::__1::integer_sequence<unsigned long, 0ul> >(std::__1::tuple<WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> > >&&, WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> >&&))
11  0x12699c88a void IPC::handleMessage<Messages::RemoteRenderingBackend::CacheFont, WebKit::RemoteRenderingBackend, void (WebKit::RemoteRenderingBackend::*)(WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> >&&)>(IPC::Connection&, IPC::Decoder&, WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WTF::Ref<WebCore::Font, WTF::RawPtrTraits<WebCore::Font> >&&))
12  0x12699be51 WebKit::RemoteRenderingBackend::didReceiveStreamMessage(IPC::StreamServerConnectionBase&, IPC::Decoder&)
13  0x12727b778 IPC::StreamServerConnection::dispatchOutOfStreamMessage(IPC::Decoder&&)
14  0x12727b1a6 IPC::StreamServerConnection::dispatchStreamMessages(unsigned long)
15  0x127279ad4 IPC::StreamConnectionWorkQueue::processStreams()
16  0x1272827e0 IPC::StreamConnectionWorkQueue::startProcessingThread()::$_0::operator()()
17  0x127282799 WTF::Detail::CallableWrapper<IPC::StreamConnectionWorkQueue::startProcessingThread()::$_0, void>::call()
18  0x1438e4692 WTF::Function<void ()>::operator()() const
19  0x1439ba948 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*)
20  0x1439c8bb5 WTF::wtfThreadEntryPoint(void*)
21  0x7fff6bfee8fc _pthread_start
22  0x7fff6bfea443 thread_start
LEAK: 2 WebPageProxy

https://build.webkit.org/results/Apple-iOS-15-Simulator-Debug-WK2-Tests/r291751%20(2042)/results.html

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