This Jira was created from CrashReports submitted by the public due to the high number of occurrences.
Error message:
Access violation - code c0000005 (first/second chance not available)
Source Context:
13
14 /*-----------------------------------------------------------------------------------------------------------
15 FWeakObjectPtr
16 -------------------------------------------------------------------------------------------------------------*/
17
18 /**
19 * Copy from an object pointer
20 * @param Object object to create a weak pointer to
21 **/
22 void FWeakObjectPtr::operator=(const class UObject *Object)
23 {
24 if (Object // && UObjectInitialized() we might need this at some point, but it is a speed hit we would prefer to avoid
25 )
26 {
27 ***** ObjectIndex = GUObjectArray.ObjectToIndex((UObjectBase*)Object);
28 ObjectSerialNumber = GUObjectArray.AllocateSerialNumber(ObjectIndex);
29 checkSlow(SerialNumbersMatch());
30 }
31 else
32 {
33 Reset();
34 }
35 }
36
37 bool FWeakObjectPtr::IsValid(bool bEvenIfPendingKill, bool bThreadsafeTest) const
38 {
39 // This is the external function, so we just pass through to the internal inlined method.
40 return Internal_IsValid(bEvenIfPendingKill, bThreadsafeTest);
41 }
42
Most recent user affected CL: 3172292
Logs:
[Link Removed]
[Link Removed]
[Link Removed]
CrashReporter User Descriptions:
This is one repro:
UE4Editor_CoreUObject!FWeakObjectPtr::operator=() [weakobjectptr.cpp:28] UE4Editor_Sequencer!FSequencerEdMode::OnKeySelected() [sequenceredmode.cpp:87] UE4Editor_Sequencer!FSequencerEdModeTool::InputKey() [sequenceredmode.cpp:420] UE4Editor_UnrealEd!FEdMode::InputKey() [edmode.cpp:294] UE4Editor_Sequencer!FSequencerEdMode::InputKey() [sequenceredmode.cpp:60] UE4Editor_UnrealEd!FEditorModeTools::InputKey() [editormodemanager.cpp:689] UE4Editor_UnrealEd!FEditorViewportClient::InputKey() [editorviewportclient.cpp:2200] UE4Editor_UnrealEd!FLevelEditorViewportClient::InputKey() [leveleditorviewport.cpp:2476] UE4Editor_Engine!FSceneViewport::OnMouseButtonDown() [sceneviewport.cpp:403] UE4Editor_Slate!SViewport::OnMouseButtonDown() [sviewport.cpp:182] UE4Editor_Slate!<lambda_7097b900f0e4be30d80fb18f98c51ea0>::operator() [slateapplication.cpp:4518] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FPointerEvent,<lambda_7097b900f0e4be30d80fb18f98c51ea0> >() [slateapplication.cpp:215] UE4Editor_Slate!FSlateApplication::RoutePointerDownEvent() [slateapplication.cpp:4507] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonDownEvent() [slateapplication.cpp:4465] UE4Editor_Slate!FSlateApplication::OnMouseDown() [slateapplication.cpp:4399] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1518] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:1850] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:745] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:667] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:903] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:2729] UE4Editor!GuardedMain() [launch.cpp:148] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:126] UE4Editor!WinMain() [launchwindows.cpp:200] UE4Editor!__scrt_common_main_seh() [exe_common.inl:264] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-38205 in the post.