[Webkit-unassigned] [Bug 237922] New: ASSERTION FAILED: m_contentsBufferHandle... RemoteLayerTree/RemoteLayerBackingStore.mm(355)

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Mar 15 14:47:18 PDT 2022


https://bugs.webkit.org/show_bug.cgi?id=237922

            Bug ID: 237922
           Summary: ASSERTION FAILED: m_contentsBufferHandle...
                    RemoteLayerTree/RemoteLayerBackingStore.mm(355)
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Jenner at apple.com

We're seeing the following assertion on quite a few WebGL tests here:

https://build.webkit.org/results/Apple-iOS-15-Simulator-Debug-WK2-Tests/r291304%20(1950)/results.html

ASSERTION FAILED: m_contentsBufferHandle
/Volumes/Data/worker/ios-simulator-15-debug/build/Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStore.mm(355) : void WebKit::RemoteLayerBackingStore::paintContents()
1   0x6b2606769 WTFCrash
2   0x694cfbfeb WTFCrashWithInfo(int, char const*, char const*, int)
3   0x6959c727d WebKit::RemoteLayerBackingStore::paintContents()
4   0x695a1e5d7 WebKit::RemoteLayerBackingStoreCollection::paintReachableBackingStoreContents()
5   0x69662609f WebKit::RemoteLayerTreeContext::buildTransaction(WebKit::RemoteLayerTreeTransaction&, WebCore::PlatformCALayer&)
6   0x69529a499 WebKit::RemoteLayerTreeDrawingArea::updateRendering()
7   0x6952a3a0e decltype(*(std::__1::forward<WebKit::RemoteLayerTreeDrawingArea*&>(fp0)).*fp()) std::__1::__invoke<void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*&, void>(void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*&)
8   0x6952a398d 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   0x6952a3940 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  0x6952a38d9 WTF::Detail::CallableWrapper<std::__1::__bind<void (WebKit::RemoteLayerTreeDrawingArea::*&)(), WebKit::RemoteLayerTreeDrawingArea*>, void>::call()
11  0x694d55fc2 WTF::Function<void ()>::operator()() const
12  0x69529f259 WebCore::Timer::fired()
13  0x6de73bfa6 WebCore::ThreadTimers::sharedTimerFiredInternal()
14  0x6de7468c1 WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0::operator()() const
15  0x6de746859 WTF::Detail::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0, void>::call()
16  0x6da01e232 WTF::Function<void ()>::operator()() const
17  0x6de6d87e1 WebCore::MainThreadSharedTimer::fired()
18  0x6de7d0276 WebCore::timerFired(__CFRunLoopTimer*, void*)
19  0x7fff2036a6c6 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
20  0x7fff2036a1c2 __CFRunLoopDoTimer
21  0x7fff20369781 __CFRunLoopDoTimers
22  0x7fff20363dc0 __CFRunLoopRun
23  0x7fff20363103 CFRunLoopRunSpecific
24  0x7fff2081941c -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
25  0x7fff20819638 -[NSRunLoop(NSRunLoop) run]
26  0x7fff2006705f _xpc_objc_main
27  0x7fff20069050 xpc_main
28  0x6959c4f3a WebKit::XPCServiceMain(int, char const**)
29  0x697985ecb WKXPCServiceMain
30  0x101e65d12 main
31  0x680001e1e
com.apple.WebKit.WebContent.Development terminated (pid 139) because the process crashed

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