This is not a regression. Tested in //UE5/Release-5.0 CL20979098.
The editor crashes when right clicking a Modify Curve node in an Anim Graph of a Animation Template Blueprint.
Expected Results:
A context menu appears.
Actual Results:
The Editor crashes with an Unhandled Exception.
Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000210
UnrealEditor-Engine!USkeleton::GetSmartNameContainer(FName const &) [Skeleton.cpp:2120] UnrealEditor-AnimGraph!UAnimGraphNode_ModifyCurve::GetCurvesToAdd() [AnimGraphNode_ModifyCurve.cpp:42] UnrealEditor-AnimGraph!UAnimGraphNode_ModifyCurve::GetNodeContextMenuActions(UToolMenu *,UGraphNodeContextMenuContext *) [AnimGraphNode_ModifyCurve.cpp:106] UnrealEditor-GraphEditor!static void TBaseFunctorDelegateInstance<void __cdecl(UToolMenu *) [DelegateInstancesImpl.h:840] UnrealEditor-ToolMenus!7ffd86ac0000 + 19bc6 UnrealEditor-ToolMenus!7ffd86ac0000 + 2644f UnrealEditor-ToolMenus!7ffd86ac0000 + 25fff UnrealEditor-GraphEditor!SGraphEditorImpl::GraphEd_OnGetContextMenuFor(FGraphContextMenuArguments const &) [SGraphEditorImpl.cpp:1256] UnrealEditor-GraphEditor!struct FActionMenuContent TBaseSPMethodDelegateInstance<0,SGraphEditorImpl,1,FActionMenuContent __cdecl(FGraphContextMenuArguments const &) [DelegateInstancesImpl.h:295] UnrealEditor-GraphEditor!SGraphPanel::SummonContextMenu(UE::Math::TVector2<double> const &,UE::Math::TVector2<double> const &,UEdGraphNode *,UEdGraphPin *,TArray<UEdGraphPin *,TSizedDefaultAllocator<32> > const &) [SGraphPanel.cpp:1312] UnrealEditor-GraphEditor!SGraphPanel::OnSummonContextMenu(FGeometry const &,FPointerEvent const &) [SGraphPanel.cpp:934] UnrealEditor-GraphEditor!SNodePanel::OnMouseButtonUp(FGeometry const &,FPointerEvent const &) [SNodePanel.cpp:968] UnrealEditor-GraphEditor!SGraphPanel::OnMouseButtonUp(FGeometry const &,FPointerEvent const &) [SGraphPanel.cpp:843] UnrealEditor-Slate!7ffd7b4c0000 + 2a3e8 UnrealEditor-Slate!7ffd7b4c0000 + ffca UnrealEditor-Slate!7ffd7b4c0000 + 76743 UnrealEditor-Slate!7ffd7b4c0000 + 65223 UnrealEditor-Slate!7ffd7b4c0000 + 5aecc UnrealEditor-ApplicationCore!FWindowsApplication::ProcessDeferredMessage(FDeferredWindowsMessage const &) [WindowsApplication.cpp:2219] UnrealEditor-ApplicationCore!FWindowsApplication::DeferMessage(TSharedPtr<FWindowsWindow,1> &,HWND__ *,unsigned int,unsigned __int64,__int64,int,int,unsigned int) [WindowsApplication.cpp:2726] UnrealEditor-ApplicationCore!FWindowsApplication::ProcessMessage(HWND__ *,unsigned int,unsigned __int64,__int64) [WindowsApplication.cpp:1895] UnrealEditor-ApplicationCore!FWindowsApplication::AppWndProc(HWND__ *,unsigned int,unsigned __int64,__int64) [WindowsApplication.cpp:925] USER32!7ffdffbc0000 + e7e8 USER32!7ffdffbc0000 + e47e InkObj!7ffd37f50000 + e7e59 atlthunk!7ffdf2b60000 + 1028 USER32!7ffdffbc0000 + e7e8 USER32!7ffdffbc0000 + e229 UnrealEditor-ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages(bool) [WindowsPlatformApplicationMisc.cpp:142] UnrealEditor!7ff7ecdd0000 + 7332 UnrealEditor!7ff7ecdd0000 + 2287d UnrealEditor!7ff7ecdd0000 + 2296a UnrealEditor!7ff7ecdd0000 + 25680 UnrealEditor!7ff7ecdd0000 + 371b4 UnrealEditor!7ff7ecdd0000 + 3a516 KERNEL32!7ffdffe00000 + 17614 ntdll!7ffe00c30000 + 526a1
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-174296 in the post.