RESOLVED DUPLICATE of bug 237674 238297
REGRESSION (GPUP): [iOS] ASSERTION FAILED: inputData.size() == outputData.size() in WebKit::RemoteRenderingBackendProxy::prepareBuffersForDisplay() 
https://bugs.webkit.org/show_bug.cgi?id=238297
Summary REGRESSION (GPUP): [iOS] ASSERTION FAILED: inputData.size() == outputData.siz...
Ryan Haddad
Reported 2022-03-23 16:15:31 PDT
The following assertion failure is seen on iOS debug bots: ASSERTION FAILED: inputData.size() == outputData.size() /Volumes/Data/worker/ios-simulator-15-debug/build/Source/WebKit/WebProcess/GPU/graphics/RemoteRenderingBackendProxy.cpp(312) : Vector<WebKit::RemoteRenderingBackendProxy::SwapBuffersResult> WebKit::RemoteRenderingBackendProxy::prepareBuffersForDisplay(const Vector<WebKit::RemoteRenderingBackendProxy::LayerPrepareBuffersData> &) 1 0x17a9d4b09 WTFCrash 2 0x15cedfb4b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x15eea4427 WebKit::RemoteRenderingBackendProxy::prepareBuffersForDisplay(WTF::Vector<WebKit::RemoteRenderingBackendProxy::LayerPrepareBuffersData, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&) 4 0x15dc28c97 WebKit::RemoteLayerWithRemoteRenderingBackingStoreCollection::prepareBackingStoresForDisplay(WebKit::RemoteLayerTreeTransaction&) 5 0x15e8317ec WebKit::RemoteLayerTreeContext::buildTransaction(WebKit::RemoteLayerTreeTransaction&, WebCore::PlatformCALayer&) 6 0x15d488369 WebKit::RemoteLayerTreeDrawingArea::updateRendering() 7 0x15d4918fe decltype(*(std::__1::forward<WebKit::RemoteLayerTreeDrawingArea*&>(fp0)).*fp()) std::__1::__invoke<void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*&, void>(void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*&) 8 0x15d49187d std::__1::__bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<>, __is_valid_bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<> >::value>::type std::__1::__apply_functor<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, 0ul, std::__1::tuple<> >(void (WebKit::RemoteLayerTreeDrawingArea::*&)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>&, std::__1::__tuple_indices<0ul>, std::__1::tuple<>&&) 9 0x15d491830 std::__1::__bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<>, __is_valid_bind_return<void (WebKit::RemoteLayerTreeDrawingArea::*)(), std::__1::tuple<WebKit::RemoteLayerTreeDrawingArea*>, std::__1::tuple<> >::value>::type std::__1::__bind<void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*>::operator()<>() 10 0x15d4917c9 WTF::Detail::CallableWrapper<std::__1::__bind<void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*>, void>::call() 11 0x15cf3e7f2 WTF::Function<void ()>::operator()() const 12 0x15d48d149 WebCore::Timer::fired() 13 0x1a719cb46 WebCore::ThreadTimers::sharedTimerFiredInternal() 14 0x1a71a6f81 WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0::operator()() const 15 0x1a71a6f19 WTF::Detail::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0, void>::call() 16 0x1a2a4b952 WTF::Function<void ()>::operator()() const 17 0x1a7134a01 WebCore::MainThreadSharedTimer::fired() 18 0x1a7230866 WebCore::timerFired(__CFRunLoopTimer*, void*) https://build.webkit.org/results/Apple-iOS-15-Simulator-Debug-WK2-Tests/r291751%20(2042)/results.html
Attachments
crash log (129.69 KB, text/plain)
2022-03-23 16:21 PDT, Ryan Haddad 		no flags
Details
Crash log (116.29 KB, text/plain)
2022-03-25 15:31 PDT, Simon Fraser (smfr) 		no flags
Details
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2022-03-23 16:19:29 PDT
<rdar://problem/90731320>
Ryan Haddad
Comment 2 2022-03-23 16:20:27 PDT
compositing/ancestor-compositing-layer-is-on-subpixel-position.html
Ryan Haddad
Comment 3 2022-03-23 16:21:40 PDT
Created attachment 455578 [details] crash log
Ryan Haddad
Comment 4 2022-03-23 16:24:54 PDT
css3/color-filters/color-filter-color-property.html css3/color-filters/color-filter-text-decoration-shadow.html
Simon Fraser (smfr)
Comment 5 2022-03-25 15:25:09 PDT
The attached crash log does not match this assertion.
Simon Fraser (smfr)
Comment 6 2022-03-25 15:31:52 PDT
Created attachment 455803 [details] Crash log
Simon Fraser (smfr)
Comment 7 2022-03-25 15:32:19 PDT
Crash log says CRASHING TEST: fast/events/ios/submit-form-target-blank-using-return-key.html
Simon Fraser (smfr)
Comment 8 2022-03-25 15:34:14 PDT
I don't see how this can happen without memory corruption or some kind of IPC confusion.
Simon Fraser (smfr)
Comment 9 2022-03-25 15:35:23 PDT
Oh, this might just be a side effect of a GPU Process crash.
Simon Fraser (smfr)
Comment 10 2022-03-25 15:53:08 PDT
Dup to the GPU Process crash bug. *** This bug has been marked as a duplicate of bug 237674 ***
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