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

View Jira Issue

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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