This seems to be a new crash coming out of 4.18. It is not very widespread at the moment, but the callstack is very similar to [Link Removed], which was fixed for 4.18.0.
Users have not provided any descriptions of their actions when the crash occurred.
Source Context
1109 /** 1110 * Converts this weak pointer to a shared pointer that you can use to access the object (if it 1111 * hasn't expired yet.) Remember, if there are no more shared references to the object, the 1112 * returned shared pointer will not be valid. You should always check to make sure the returned 1113 * pointer is valid before trying to dereference the shared pointer! 1114 * 1115 * @return Shared pointer for this object (will only be valid if still referenced!) 1116 */ 1117 FORCEINLINE TSharedPtr< ObjectType, Mode > Pin() const 1118 { 1119 ***** return TSharedPtr< ObjectType, Mode >( *this ); 1120 }
repro steps currently unknown
Access violation - code c0000005 (first/second chance not available) UE4Editor_PropertyEditor!TWeakPtr<SDetailSingleItemRow,0>::Pin() [sharedpointer.h:1120] UE4Editor_PropertyEditor!SDetailSingleItemRow::OnArrayDrop() [sdetailsingleitemrow.cpp:175] UE4Editor_PropertyEditor!TMemberFunctionCaller<SDetailSingleItemRow,FReply() [delegateinstanceinterface.h:165] UE4Editor_PropertyEditor!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SDetailSingleItemRow,FReply() [tuple.h:497] UE4Editor_PropertyEditor!TBaseSPMethodDelegateInstance<0,SDetailSingleItemRow,0,FReply __cdecl() [delegateinstancesimpl.h:327] UE4Editor_PropertyEditor!TBaseDelegate<FReply,FDragDropEvent const & __ptr64>::Execute() [delegatesignatureimpl.inl:537] UE4Editor_PropertyEditor!STableRow<TSharedPtr<FDetailTreeNode,0> >::OnDrop() [stablerow.h:698] UE4Editor_Slate!<lambda_74ecb22bb70e3f50c9d83154dfa5c688>::operator() [slateapplication.cpp:5300] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FPointerEvent,<lambda_74ecb22bb70e3f50c9d83154dfa5c688> >() [slateapplication.cpp:234] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [slateapplication.cpp:5296] 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()
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-51779 in the post.
0 |
Fix Commit | 3738514 |
---|
Created | Oct 30, 2017 |
---|---|
Resolved | Nov 6, 2017 |
Updated | Apr 27, 2018 |
4447 - klorberg |