I am seeing occasional crashes in mash (e.g. if you try to actively interact with the chrome browser window (resize, maximize, reposition etc.) in mash for ~10/20 seconds).

Stack trace:

[8157:8157:0707/132215:542911472736:FATAL:render_pass_struct_traits.cc(15)] Check failed: input->quad_list.size() > 0u (0 vs. 0)
#0 0x7f9e8f1dd2c1 __interceptor_backtrace
#1 0x7f9e8bfccf9e base::debug::StackTrace::StackTrace()
#2 0x7f9e8c0d716a logging::LogMessage::~LogMessage()
#3 0x7f9e61c04ad4 mojo::StructTraits<>::SetUpContext()
#4 0x7f9e61a56dbf mojo::internal::CustomContextHelper<>::SetUp<>()
#5 0x7f9e61a56a39 mojo::internal::Serializer<>::PrepareToSerialize()
#6 0x7f9e61a56517 _ZN4mojo8internal18PrepareToSerializeINS_9StructPtrIN2cc5mojom10RenderPassEEERKSt10unique_ptrINS3_10RenderPassESt14default_deleteIS8_EEJRPNS0_20SerializationContextEEEEmOT0_DpOT1_
#7 0x7f9e61a563c5 mojo::internal::ArraySerializer<>::GetSerializedSize()
#8 0x7f9e61a56157 mojo::internal::Serializer<>::PrepareToSerialize()
#9 0x7f9e61a49207 _ZN4mojo8internal18PrepareToSerializeINS_5ArrayINS_9StructPtrIN2cc5mojom10RenderPassEEEEERKNSt7__debug6vectorISt10unique_ptrINS4_10RenderPassESt14default_deleteISC_EESaISF_EEEJRPNS0_20SerializationContextEEEEmOT0_DpOT1_
#10 0x7f9e61a48efe mojo::internal::Serializer<>::PrepareToSerialize()
#11 0x7f9e61a465f7 _ZN4mojo8internal18PrepareToSerializeINS_9StructPtrIN2cc5mojom15CompositorFrameEEERNS3_15CompositorFrameEJPNS0_20SerializationContextEEEEmOT0_DpOT1_
#12 0x7f9e61a3f70d ui::mojom::SurfaceProxy::SubmitCompositorFrame()
#13 0x7f9e6174e196 ui::WindowSurface::SubmitCompositorFrame()
#14 0x7f9e616de0e5 ui::OutputSurface::SwapBuffers()
#15 0x7f9e72f75777 cc::DelegatingRenderer::SwapBuffers()
#16 0x7f9e735af041 cc::LayerTreeHostImpl::SwapBuffers()
#17 0x7f9e73805e5e cc::SingleThreadProxy::DoComposite()
#18 0x7f9e7380867d cc::SingleThreadProxy::ScheduledActionDrawAndSwapIfPossible()
#19 0x7f9e73327596 cc::Scheduler::DrawAndSwapIfPossible()
#20 0x7f9e7331a312 cc::Scheduler::ProcessScheduledActions()
#21 0x7f9e7331941b cc::Scheduler::OnBeginImplFrameDeadline()
#22 0x7f9e7333243e _ZN4base8internal13FunctorTraitsIMN2cc9SchedulerEFvvEE6InvokeINS_7WeakPtrIS3_EEJEEEvS5_OT_DpOT0_
#23 0x7f9e73332096 _ZN4base8internal12InvokeHelperILb1EvE8MakeItSoIRKMN2cc9SchedulerEFvvENS_7WeakPtrIS5_EEJEEEvOT_T0_DpOT1_
#24 0x7f9e73331e76 _ZN4base8internal7InvokerINS0_9BindStateIMN2cc9SchedulerEFvvEJNS_7WeakPtrIS4_EEEEEFvvEE7RunImplIRKS6_RKSt5tupleIJS8_EEJLm0EEEEvOT_OT0_NS_13IndexSequenceIJXspT1_EEEE
#25 0x7f9e73331b1c _ZN4base8internal7InvokerINS0_9BindStateIMN2cc9SchedulerEFvvEJNS_7WeakPtrIS4_EEEEEFvvEE3RunEPNS0_13BindStateBaseE
#26 0x7f9e72deb2e4 base::Callback<>::Run()
#27 0x7f9e72de9dd9 base::CancelableCallback<>::Forward()
#28 0x7f9e72deaeee _ZN4base8internal13FunctorTraitsIMNS_18CancelableCallbackIFvvEEEKFvvEE6InvokeINS_7WeakPtrIS4_EEJEEEvS6_OT_DpOT0_
#29 0x7f9e72deab46 _ZN4base8internal12InvokeHelperILb1EvE8MakeItSoIRKMNS_18CancelableCallbackIFvvEEEKFvvENS_7WeakPtrIS6_EEJEEEvOT_T0_DpOT1_
#30 0x7f9e72dea926 _ZN4base8internal7InvokerINS0_9BindStateIMNS_18CancelableCallbackIFvvEEEKFvvEJNS_7WeakPtrIS5_EEEEES4_E7RunImplIRKS7_RKSt5tupleIJS9_EEJLm0EEEEvOT_OT0_NS_13IndexSequenceIJXspT1_EEEE
#31 0x7f9e72dea5cc _ZN4base8internal7InvokerINS0_9BindStateIMNS_18CancelableCallbackIFvvEEEKFvvEJNS_7WeakPtrIS5_EEEEES4_E3RunEPNS0_13BindStateBaseE
#32 0x7f9e8bf70dc4 base::Callback<>::Run()
#33 0x7f9e8bfdfb71 base::debug::TaskAnnotator::RunTask()
#34 0x7f9e8c132df9 base::MessageLoop::RunTask()
#35 0x7f9e8c13366a base::MessageLoop::DeferOrRunPendingTask()
#36 0x7f9e8c133bf6 base::MessageLoop::DoWork()
#37 0x7f9e8c1851dc base::MessagePumpLibevent::Run()
#38 0x7f9e8c131edb base::MessageLoop::RunHandler()
#39 0x7f9e8c330cd8 base::RunLoop::Run()
#40 0x7f9e8c12f80f base::MessageLoop::Run()
#41 0x7f9e8f27030d MashRunner::StartChildApp()
#42 0x7f9e8f29d896 _ZN4base8internal13FunctorTraitsIM10MashRunnerFvN4mojo16InterfaceRequestIN5shell5mojom7ServiceEEEEE6InvokeIPS2_JS8_EEEvSA_OT_DpOT0_
#43 0x7f9e8f29d540 _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKM10MashRunnerFvN4mojo16InterfaceRequestIN5shell5mojom7ServiceEEEEJPS4_SA_EEEvOT_DpOT0_
#44 0x7f9e8f29d300 _ZN4base8internal7InvokerINS0_9BindStateIM10MashRunnerFvN4mojo16InterfaceRequestIN5shell5mojom7ServiceEEEEJNS0_17UnretainedWrapperIS3_EEEEEFvS9_EE7RunImplIRKSB_RKSt5tupleIJSD_EEJLm0EEEEvOT_OT0_NS_13IndexSequenceIJXspT1_EEEEOS9_
#45 0x7f9e8f29cfec _ZN4base8internal7InvokerINS0_9BindStateIM10MashRunnerFvN4mojo16InterfaceRequestIN5shell5mojom7ServiceEEEEJNS0_17UnretainedWrapperIS3_EEEEEFvS9_EE3RunEPNS0_13BindStateBaseEOS9_
#46 0x7f9e97e86e29 base::Callback<>::Run()
#47 0x7f9e97e85f88 shell::ChildProcessMainWithCallback()
#48 0x7f9e8f26fa51 MashRunner::RunChild()
#49 0x7f9e8f26f6df MashRunner::Run()
#50 0x7f9e8f270700 MashMain()
#51 0x7f9e8f266e06 ChromeMain
#52 0x7f9e8f266b52 main
#53 0x7f9e5abeff45 __libc_start_main
#54 0x7f9e8f199695 <unknown>