This is a trending crash in the 4.17 Preview. There was one occurrence of this callstack months ago in 4.15.1, but a number of recent ones in 4.17.
User Descriptions
Source Context
121 void FMallocTBB::Free( void* Ptr )
122 {
123 if( !Ptr )
124 {
125 return;
126 }
127 MEM_TIME(MemTime -= FPlatformTime::Seconds())
128 #if UE_BUILD_DEBUG || UE_BUILD_DEVELOPMENT
129 ***** FMemory::Memset(Ptr, DEBUG_FILL_FREED, scalable_msize(Ptr));
130 #endif
131 IncrementTotalFreeCalls();
132 scalable_free(Ptr);
133
134 MEM_TIME(MemTime += FPlatformTime::Seconds())
135 }
repro steps currently unknown
Access violation - code c0000005 (first/second chance not available) UE4Editor_Core!rml::internal::Block::findObjectSize() UE4Editor_Core!FMallocTBB::Free() [malloctbb.cpp:130] UE4Editor_Core!FMemory::Free() [fmemory.inl:75] UE4Editor_Engine!UEdGraphPin::~UEdGraphPin() [edgraphpin.cpp:1210] UE4Editor_Engine!FPinDeletionQueue::Tick() [edgraphpin.cpp:35] UE4Editor_UnrealEd!FTickableEditorObject::TickObjects() [tickableeditorobject.h:21] UE4Editor_UnrealEd!UEditorEngine::Tick() [editorengine.cpp:1417] UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [unrealedengine.cpp:396] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3215] 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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| 0 |
| Component | UE - Gameplay - Blueprint |
|---|---|
| Affects Versions | 4.15, 4.17 |
| Created | Jul 25, 2017 |
|---|---|
| Resolved | Aug 18, 2021 |
| Updated | Aug 18, 2021 |