Unreal Engine Issues and Bug Tracker (UE-99533)

Steps to Reproduce

Open Unreal Engine
Create a blank project
Open a default level
Enable Engine Content
Drag and drop the BP_Sky_Sphere from /Engine/EngineSky into your level
2) Select the BP_Sky_Sphere from the viewport and In the Details panel expand the ‘Components’ section and select the ‘SkySphereMesh (Inherited)’
3) Double-click on the ‘MaterialInstanceDynamic_0’ in the Element 0 slot of the Materials section of the SkySphereMesh’s detail panel
4) Drag a new material from your Content Browser into the ‘Parent’ Material Instance slot in the ‘MaterialInstanceDynamic_0’ window that appeared
Result: Crash
Expected Result: Replace the material in question

Callstack

Unhandled Except쀀㼑 㼽 EXCEPTION_ACCESS_VIOLATION reading address 0x000217e4

[Callstack] 0x00007ffcc6099734 UE4Editor-D3D11RHI.dll!SetShaderResourcesFromBuffer_Surface<3>() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Commands.cpp:1446]
[Callstack] 0x00007ffcc60971eb UE4Editor-D3D11RHI.dll!FD3D11DynamicRHI::SetResourcesFromTables<FD3D11PixelShader>() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Commands.cpp:1621]
[Callstack] 0x00007ffcc60a8f23 UE4Editor-D3D11RHI.dll!FD3D11DynamicRHI::CommitGraphicsResourceTables() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Commands.cpp:1702]
[Callstack] 0x00007ffcc60cca19 UE4Editor-D3D11RHI.dll!FD3D11DynamicRHI::RHIDrawIndexedPrimitive() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Commands.cpp:1807]
[Callstack] 0x00007ffd080d2a91 UE4Editor-RHI.dll!FRHICommandDrawIndexedPrimitive::Execute() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RHI\Public\RHICommandListCommandExecutes.inl:206]
[Callstack] 0x00007ffcc9206cdb UE4Editor-Renderer.dll!FRHICommand<FRHICommandDrawIndexedPrimitive,FRHICommandDrawIndexedPrimitiveString996>::ExecuteAndDestruct() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RHI\Public\RHICommandList.h:744]
[Callstack] 0x00007ffd080db830 UE4Editor-RHI.dll!FRHICommandListExecutor::ExecuteInner_DoExecute() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RHI\Private\RHICommandList.cpp:331]
[Callstack] 0x00007ffd080db364 UE4Editor-RHI.dll!FRHICommandListExecutor::ExecuteInner() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RHI\Private\RHICommandList.cpp:603]
[Callstack] 0x00007ffd080dbe7d UE4Editor-RHI.dll!FRHICommandListExecutor::ExecuteList() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RHI\Private\RHICommandList.cpp:626]
[Callstack] 0x00007ffd080d4a1e UE4Editor-RHI.dll!FRHICommandWaitForAndSubmitSubList::Execute() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RHI\Private\RHICommandList.cpp:1046]
[Callstack] 0x00007ffd080d96cf UE4Editor-RHI.dll!FRHICommand<FRHICommandWaitForAndSubmitSubList,FRHICommandWaitForAndSubmitSubListString1012>::ExecuteAndDestruct() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RHI\Public\RHICommandList.h:744]
[Callstack] 0x00007ffd080db830 UE4Editor-RHI.dll!FRHICommandListExecutor::ExecuteInner_DoExecute() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RHI\Private\RHICommandList.cpp:331]
[Callstack] 0x00007ffd080db364 UE4Editor-RHI.dll!FRHICommandListExecutor::ExecuteInner() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RHI\Private\RHICommandList.cpp:603]
[Callstack] 0x00007ffd080dc456 UE4Editor-RHI.dll!FRHICommandListExecutor::ExecuteList() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RHI\Private\RHICommandList.cpp:653]
[Callstack] 0x00007ffd080d0efa UE4Editor-RHI.dll!FRHICommandList::EndScene() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RHI\Private\RHICommandList.cpp:1511]
[Callstack] 0x00007ffcc984445f UE4Editor-Renderer.dll!FSceneRenderer::RenderFinish() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Renderer\Private\SceneRendering.cpp:3055]
[Callstack] 0x00007ffcc92c3e86 UE4Editor-Renderer.dll!FDeferredShadingSceneRenderer::Render() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Renderer\Private\DeferredShadingRenderer.cpp:2867]
[Callstack] 0x00007ffcc9845c81 UE4Editor-Renderer.dll!RenderViewFamily_RenderThread() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Renderer\Private\SceneRendering.cpp:3581]
[Callstack] 0x00007ffcc982f898 UE4Editor-Renderer.dll!TEnqueueUniqueRenderCommandType<`FRendererModule::BeginRenderingViewFamily'::`35'::FDrawSceneCommandName,<lambda_b9a0a1a370b6fd6eeb07aaf4141a534b> >::DoTask() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\RenderCore\Public\RenderingThread.h:195]
[Callstack] 0x00007ffcc98324fd UE4Editor-Renderer.dll!TGraphTask<TEnqueueUniqueRenderCommandType<`FRendererModule::BeginRenderingViewFamily'::`35'::FDrawSceneCommandName,<lambda_b9a0a1a370b6fd6eeb07aaf4141a534b> > >::ExecuteTask() [D:\Build\++UE4+Licensee\Sync\Engine\Sou

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Fixed

Component	UE - Rendering Architecture - Materials
Affects Versions	4.25
Target Fix	4.26

Fix Commit	14365856
Main Commit	15907200
Release Commit	15903556

Created	Sep 11, 2020
Resolved	Sep 22, 2020
Updated	Nov 29, 2022

UE-99533

Dragging and dropping new materials into Dynamic Material Instance slot results in crash

Dragging and dropping new materials into Dynamic Material Instance slot results in crash

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