Unreal Engine Issues and Bug Tracker (UE-172407)

Description

Regression: Tested in UE5/Release-5.0, this issue does not occur so regression is yes.

Reproducing this issue has a mixed reproduction rate. I have gotten the editor to crash when scaling the cube up to before even saving the level or opening the World Partition window.

Error Message:

Fatal error: [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Private\GenericPlatform\GenericPlatformMemory.cpp] [Line: 241] 
Ran out of memory allocating 126875245640 bytes with alignment 0. Last error msg: The paging file is too small for this operation to complete..

Steps to Reproduce

Create a new Blank BP Project
Add a Cube to the level
Set the Cube's position to 20000000000, 20000000000, 20000000000
Set the Cube's scale to 1000000000, 1000000000, 1000000000
Save the level
Close and reopen the project
Open the saved level
Open the World Partition window
If it didn't crash, try zooming in and out of the World Partition map

Actual Result: Editor crashes, referencing running out of memory

Expected Result: The World Partition window works properly and no crash occurs while navigating the window.

Callstack

UnrealEditor-Core.dll!<lambda_a20f43b083803437f2d783b89afde082>::operator()() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Private\GenericPlatform\GenericPlatformMemory.cpp:242]
UnrealEditor-Core.dll!FGenericPlatformMemory::OnOutOfMemory() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Private\GenericPlatform\GenericPlatformMemory.cpp:244]
UnrealEditor-Core.dll!FMallocMimalloc::OutOfMemory() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Public\HAL\MallocMimalloc.h:50]
UnrealEditor-Core.dll!FMallocMimalloc::Realloc() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Private\HAL\MallocMimalloc.cpp:137]
UnrealEditor-Core.dll!FMemory::Realloc() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Public\HAL\FMemory.inl:56]
UnrealEditor-SlateCore.dll!TArray<FSlateDrawElement,FSlateStatTrackingMemoryAllocator<FDrawElementStatTracker> >::ResizeGrow() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Public\Containers\Array.h:3024]
UnrealEditor-SlateCore.dll!FSlateWindowElementList::AddUninitialized() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Rendering\DrawElements.cpp:828]
UnrealEditor-SlateCore.dll!FSlateDrawElement::MakeLines() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Rendering\DrawElements.cpp:630]
UnrealEditor-SlateCore.dll!FSlateDrawElement::MakeLines() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Rendering\DrawElements.cpp:618]
UnrealEditor-WorldPartitionEditor.dll!SWorldPartitionEditorGridSpatialHash::PaintGrid() [D:\build\++UE5\Sync\Engine\Source\Editor\WorldPartitionEditor\Private\WorldPartition\SWorldPartitionEditorGridSpatialHash.cpp:106]
UnrealEditor-WorldPartitionEditor.dll!SWorldPartitionEditorGrid2D::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Editor\WorldPartitionEditor\Private\WorldPartition\SWorldPartitionEditorGrid2D.cpp:1647]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SOverlay::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SOverlay.cpp:200]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SPanel::PaintArrangedChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor-SlateCore.dll!SPanel::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SCompoundWidget::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor-Slate.dll!SBorder::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Widgets\Layout\SBorder.cpp:129]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SCompoundWidget::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SCompoundWidget::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor-Slate.dll!SBorder::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Widgets\Layout\SBorder.cpp:129]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SOverlay::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SOverlay.cpp:200]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SPanel::PaintArrangedChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor-SlateCore.dll!SPanel::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SCompoundWidget::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SPanel::PaintArrangedChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor-Slate.dll!SSplitter::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Widgets\Layout\SSplitter.cpp:253]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SCompoundWidget::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SPanel::PaintArrangedChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor-Slate.dll!SSplitter::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Widgets\Layout\SSplitter.cpp:253]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SPanel::PaintArrangedChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor-SlateCore.dll!SPanel::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SOverlay::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SOverlay.cpp:200]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SCompoundWidget::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SPanel::PaintArrangedChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor-SlateCore.dll!SPanel::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SCompoundWidget::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SCompoundWidget::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor-Slate.dll!SBorder::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Widgets\Layout\SBorder.cpp:129]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SOverlay::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SOverlay.cpp:200]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SPanel::PaintArrangedChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor-SlateCore.dll!SPanel::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SCompoundWidget::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SPanel::PaintArrangedChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor-Slate.dll!SSplitter::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Widgets\Layout\SSplitter.cpp:253]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SPanel::PaintArrangedChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor-SlateCore.dll!SPanel::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SOverlay::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SOverlay.cpp:200]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SCompoundWidget::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SPanel::PaintArrangedChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor-SlateCore.dll!SPanel::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SPanel::PaintArrangedChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:31]
UnrealEditor-SlateCore.dll!SPanel::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SPanel.cpp:12]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SOverlay::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SOverlay.cpp:200]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SCompoundWidget::OnPaint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SCompoundWidget.cpp:46]
UnrealEditor-SlateCore.dll!SWidget::Paint() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWidget.cpp:1546]
UnrealEditor-SlateCore.dll!SWindow::PaintSlowPath() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWindow.cpp:2074]
UnrealEditor-SlateCore.dll!FSlateInvalidationRoot::PaintInvalidationRoot() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\FastUpdate\SlateInvalidationRoot.cpp:402]
UnrealEditor-SlateCore.dll!SWindow::PaintWindow() [D:\build\++UE5\Sync\Engine\Source\Runtime\SlateCore\Private\Widgets\SWindow.cpp:2108]
UnrealEditor-Slate.dll!FSlateApplication::DrawWindowAndChildren() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:1115]
UnrealEditor-Slate.dll!FSlateApplication::PrivateDrawWindows() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:1349]
UnrealEditor-Slate.dll!FSlateApplication::DrawWindows() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:1069]
UnrealEditor-Slate.dll!FSlateApplication::TickAndDrawWidgets() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:1636]
UnrealEditor-Slate.dll!FSlateApplication::Tick() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:1493]
UnrealEditor.exe!FEngineLoop::Tick() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:5491]
UnrealEditor.exe!GuardedMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:202]
UnrealEditor.exe!GuardedMainWrapper() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:107]
UnrealEditor.exe!LaunchWindowsStartup() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:244]
UnrealEditor.exe!WinMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:282]
UnrealEditor.exe!__scrt_common_main_seh() [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]

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Cannot Reproduce

Component	UE - World Creation - Worldbuilding Tools - World Partition
Affects Versions	5.1

Created	Dec 8, 2022
Resolved	Dec 12, 2022
Updated	Feb 14, 2023

View Jira Issue

UE-172407

Crash due to memory after opening the World Partition window with large objects

Crash due to memory after opening the World Partition window with large objects

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