Description

This is an early trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred.

Source Context

 166       TSharedPtr<FAssetThumbnailPool> FDetailPropertyRow::GetThumbnailPool() const
  167       {
  168       	TSharedPtr<FDetailCategoryImpl> ParentCategoryPinned = ParentCategory.Pin();
  169       	return ParentCategoryPinned.IsValid() ? ParentCategoryPinned->GetParentLayout().GetThumbnailPool() : NULL;
  170       }
  171       
  172       TSharedPtr<IPropertyUtilities> FDetailPropertyRow::GetPropertyUtilities() const
  173       {
  174       	TSharedPtr<FDetailCategoryImpl> ParentCategoryPinned = ParentCategory.Pin();
  175 ***** 	if (ParentCategoryPinned.IsValid() && ParentCategoryPinned->IsParentLayoutValid())
  176       	{
  177       		return ParentCategoryPinned->GetParentLayout().GetPropertyUtilities();
  178       	}
  179       	
  180       	return nullptr;
  181       }
Steps to Reproduce
  1. Create a new blueprint project
  2. Go to Edit-ProjectSettings->Android
  3. Under APKPackaging or Google Play Services click the Configure Now button multiple times very quickly

Result: Crash
Expected Result: Settings are configured without crashing

Callstack
Access violation - code c0000005 (first/second chance not available)

UE4Editor_PropertyEditor!FDetailPropertyRow::GetPropertyUtilities() [detailpropertyrow.cpp:176]
UE4Editor_AndroidPlatformEditor!FAndroidTargetSettingsCustomization::CopyGooglePlayAppIDFileIntoProject() [androidtargetsettingscustomization.cpp:622]
UE4Editor_AndroidPlatformEditor!TBaseSPMethodDelegateInstance<0,FAndroidTargetSettingsCustomization,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:327]
UE4Editor_SharedSettingsWidgets!SPlatformSetupMessage::OnButtonPressed() [splatformsetupmessage.cpp:234]
UE4Editor_SharedSettingsWidgets!TMemberFunctionCaller<SPlatformSetupMessage,FReply() [delegateinstanceinterface.h:165]
UE4Editor_SharedSettingsWidgets!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SPlatformSetupMessage,FReply() [tuple.h:497]
UE4Editor_SharedSettingsWidgets!TBaseSPMethodDelegateInstance<0,SPlatformSetupMessage,0,FReply __cdecl() [delegateinstancesimpl.h:327]
UE4Editor_Slate!TBaseDelegate<FReply>::Execute() [delegatesignatureimpl.inl:537]
UE4Editor_Slate!SButton::OnMouseButtonUp() [sbutton.cpp:282]
UE4Editor_Slate!<lambda_1002768c627006711ef2f351a87ec0e7>::operator() [slateapplication.cpp:5263]
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_1002768c627006711ef2f351a87ec0e7> >() [slateapplication.cpp:234]
UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [slateapplication.cpp:5252]
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [slateapplication.cpp:5750]
UE4Editor_Slate!FSlateApplication::OnMouseUp() [slateapplication.cpp:5730]
UE4Editor_ApplicationCore!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1725]
UE4Editor_ApplicationCore!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2171]
UE4Editor_ApplicationCore!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:888]
UE4Editor_ApplicationCore!FWindowsApplication::AppWndProc() [windowsapplication.cpp:725]
user32!UserCallWinProcCheckWow()
user32!DispatchMessageWorker()
UE4Editor_ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages() [windowsplatformapplicationmisc.cpp:129]
UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3220]
UE4Editor!GuardedMain() [launch.cpp:166]
UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134]
UE4Editor!WinMain() [launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [exe_common.inl:253]
kernel32!BaseThreadInitThunk()
ntdll!RtlUserThreadStart()

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Fixed
ComponentUE - Platform - Mobile
Affects Versions4.18
Target Fix4.19
Fix Commit3831719
Main Commit3856245
Release Commit3831719
CreatedNov 2, 2017
ResolvedJan 11, 2018
UpdatedSep 16, 2019
View Jira Issue