used the below commands to make Unreal on Ubuntu platform:
step 13: git clone -b 4.27 https://github.com/EpicGames/UnrealEngine.git
step 14: cd UnrealEngine
step 15: ./Setup.sh
step 16: ./GenerateProjectFiles.sh
step 17: make
there was no error after which when trying to open Unreal UE4editor (./Engine/Binaries/Linux/UE4Editor) the below error occurs.
FMallocBinned2 Attempt to realloc an unrecognized block 0x2cec0000 canary == 0x0 != 0xe3
[2025.07.10-18.23.32:072][ 0]LogCore: Error: appError called: Fatal error: [File:/home/sujee/UnrealEngine/Engine/Source/Runtime/Core/Private/HAL/MallocBinned2.cpp] [Line: 1241]
FMallocBinned2 Attempt to realloc an unrecognized block 0x2cec0000 canary == 0x0 != 0xe3
0x0000000000b6d576 CrashReportClient!FMallocBinned2::FreeExternal(void*) [/home/sujee/UnrealEngine/Engine/Source/Runtime/Core/Private/HAL/MallocBinned2.cpp:929]
0x00007df695ab2810 libigdgmm_w.so.12!UnknownFunction(0xb580f)
0x00007df695ae7a61 libigdgmm_w.so.12!_ZN6GmmLib16GmmClientContext11DestroyPoolEPv(+0x30)
0x00007df695cf1dd4 libigd12um64xel.so!UnknownFunction(0xb5dd3)
0x00007df695c6ecb0 libigd12um64xel.so!UnknownFunction(0x32caf)
0x00007df696765b2e libd3d12core.so!UnknownFunction(0x412b2d)
0x00007df6968c659e libd3d12core.so!UnknownFunction(0x57359d)
0x00007df698bef8cb libd3d12.so!UnknownFunction(0xba8ca)
0x00007df698bef7ed libd3d12.so!UnknownFunction(0xba7ec)
0x00007df698bef7b9 libd3d12.so!UnknownFunction(0xba7b8)
0x00007df6967570ba libd3d12core.so!UnknownFunction(0x4040b9)
0x00007df6968c5ae6 libd3d12core.so!UnknownFunction(0x572ae5)
0x00007df698bef8cb libd3d12.so!UnknownFunction(0xba8ca)
0x00007df698bef7ed libd3d12.so!UnknownFunction(0xba7ec)
0x00007df698bef7b9 libd3d12.so!UnknownFunction(0xba7b8)
0x00007df698bef706 libd3d12.so!UnknownFunction(0xba705)
0x00007df6968c5d2e libd3d12core.so!UnknownFunction(0x572d2d)
0x00007df6a14eb9a7 libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0xceb9a6)
0x00007df6a14a7c02 libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0xca7c01)
0x00007df6a0f128b1 libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0x7128b0)
0x00007df6a09ab8bb libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0x1ab8ba)
0x00007df6a09ad3ed libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0x1ad3ec)
0x00007df6a08e8dfb libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0xe8dfa)
0x00007df6a5afffe5 libGLX_mesa.so.0!UnknownFunction(0x2ffe4)
0x00007df6a5b02791 libGLX_mesa.so.0!UnknownFunction(0x32790)
0x000000000163f872 CrashReportClient!X11_GL_LoadLibrary [/SDL-gui-backend/src/video/x11/SDL_x11opengl.c:239]
0x00000000015e3016 CrashReportClient!SDL_CreateWindow_REAL [/SDL-gui-backend/src/video/SDL_video.c:1476]
0x0000000001272761 CrashReportClient!FSlateOpenGLContext::Initialize(void*, FSlateOpenGLContext const*) [/home/sujee/UnrealEngine/Engine/Source/Developer/StandaloneRenderer/Private/Linux/OpenGL/SlateOpenGLContext.cpp:192]
0x00000000012746b1 CrashReportClient!FSlateOpenGLRenderer::Initialize() [/home/sujee/UnrealEngine/Engine/Source/Developer/StandaloneRenderer/Private/OpenGL/SlateOpenGLRenderer.cpp:89]
0x000000000105ce79 CrashReportClient!FSlateApplication::InitializeRenderer(TSharedRef<FSlateRenderer, (ESPMode)0>, bool) [/home/sujee/UnrealEngine/Engine/Source/Runtime/Slate/Private/Framework/Application/SlateApplication.cpp:887]
0x0000000000ad3336 CrashReportClient!RunWithUI(FLinuxErrorReport) [/home/sujee/UnrealEngine/Engine/Source/Programs/CrashReportClient/Private/CrashReportClientApp.cpp:267]
0x0000000000ad52c5 CrashReportClient!SendErrorReport(FLinuxErrorReport&, TOptional, TOptional) [/home/sujee/UnrealEngine/Engine/Source/Programs/CrashReportClient/Private/CrashReportClientApp.cpp:582]
0x0000000000ad5b60 CrashReportClient!RunCrashReportClient(char16_t const*) [/home/sujee/UnrealEngine/Engine/Source/Programs/CrashReportClient/Private/CrashReportClientApp.cpp:882]
0x0000000000adc974 CrashReportClient!main [/home/sujee/UnrealEngine/Engine/Source/Programs/CrashReportClient/Private/Linux/CrashReportClientMainLinux.cpp:67]
0x00007df6ac22a1ca libc.so.6!UnknownFunction(0x2a1c9)
0x00007df6ac22a28b libc.so.6!__libc_start_main(+0x8a)
0x0000000000acd3d9 CrashReportClient!_start()
[2025.07.10-18.23.32:072][ 0]LogCore: === Critical error: ===
[2025.07.10-18.23.32:072][ 0]LogCore: Fatal error: [File:/home/sujee/UnrealEngine/Engine/Source/Runtime/Core/Private/HAL/MallocBinned2.cpp] [Line: 1241]
FMallocBinned2 Attempt to realloc an unrecognized block 0x2cec0000 canary == 0x0 != 0xe3
0x0000000000b6d576 CrashReportClient!FMallocBinned2::FreeExternal(void*) [/home/sujee/UnrealEngine/Engine/Source/Runtime/Core/Private/HAL/MallocBinned2.cpp:929]
0x00007df695ab2810 libigdgmm_w.so.12!UnknownFunction(0xb580f)
0x00007df695ae7a61 libigdgmm_w.so.12!_ZN6GmmLib16GmmClientContext11DestroyPoolEPv(+0x30)
0x00007df695cf1dd4 libigd12um64xel.so!UnknownFunction(0xb5dd3)
0x00007df695c6ecb0 libigd12um64xel.so!UnknownFunction(0x32caf)
0x00007df696765b2e libd3d12core.so!UnknownFunction(0x412b2d)
0x00007df6968c659e libd3d12core.so!UnknownFunction(0x57359d)
0x00007df698bef8cb libd3d12.so!UnknownFunction(0xba8ca)
0x00007df698bef7ed libd3d12.so!UnknownFunction(0xba7ec)
0x00007df698bef7b9 libd3d12.so!UnknownFunction(0xba7b8)
0x00007df6967570ba libd3d12core.so!UnknownFunction(0x4040b9)
0x00007df6968c5ae6 libd3d12core.so!UnknownFunction(0x572ae5)
0x00007df698bef8cb libd3d12.so!UnknownFunction(0xba8ca)
0x00007df698bef7ed libd3d12.so!UnknownFunction(0xba7ec)
0x00007df698bef7b9 libd3d12.so!UnknownFunction(0xba7b8)
0x00007df698bef706 libd3d12.so!UnknownFunction(0xba705)
0x00007df6968c5d2e libd3d12core.so!UnknownFunction(0x572d2d)
0x00007df6a14eb9a7 libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0xceb9a6)
0x00007df6a14a7c02 libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0xca7c01)
0x00007df6a0f128b1 libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0x7128b0)
0x00007df6a09ab8bb libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0x1ab8ba)
0x00007df6a09ad3ed libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0x1ad3ec)
0x00007df6a08e8dfb libgallium-24.2.8-1ubuntu1~24.04.1.so!UnknownFunction(0xe8dfa)
0x00007df6a5afffe5 libGLX_mesa.so.0!UnknownFunction(0x2ffe4)
0x00007df6a5b02791 libGLX_mesa.so.0!UnknownFunction(0x32790)
0x000000000163f872 CrashReportClient!X11_GL_LoadLibrary [/SDL-gui-backend/src/video/x11/SDL_x11opengl.c:239]
0x00000000015e3016 CrashReportClient!SDL_CreateWindow_REAL [/SDL-gui-backend/src/video/SDL_video.c:1476]
0x0000000001272761 CrashReportClient!FSlateOpenGLContext::Initialize(void*, FSlateOpenGLContext const*) [/home/sujee/UnrealEngine/Engine/Source/Developer/StandaloneRenderer/Private/Linux/OpenGL/SlateOpenGLContext.cpp:192]
0x00000000012746b1 CrashReportClient!FSlateOpenGLRenderer::Initialize() [/home/sujee/UnrealEngine/Engine/Source/Developer/StandaloneRenderer/Private/OpenGL/SlateOpenGLRenderer.cpp:89]
0x000000000105ce79 CrashReportClient!FSlateApplication::InitializeRenderer(TSharedRef<FSlateRenderer, (ESPMode)0>, bool) [/home/sujee/UnrealEngine/Engine/Source/Runtime/Slate/Private/Framework/Application/SlateApplication.cpp:887]
0x0000000000ad3336 CrashReportClient!RunWithUI(FLinuxErrorReport) [/home/sujee/UnrealEngine/Engine/Source/Programs/CrashReportClient/Private/CrashReportClientApp.cpp:267]
0x0000000000ad52c5 CrashReportClient!SendErrorReport(FLinuxErrorReport&, TOptional, TOptional) [/home/sujee/UnrealEngine/Engine/Source/Programs/CrashReportClient/Private/CrashReportClientApp.cpp:582]
0x0000000000ad5b60 CrashReportClient!RunCrashReportClient(char16_t const*) [/home/sujee/UnrealEngine/Engine/Source/Programs/CrashReportClient/Private/CrashReportClientApp.cpp:882]
0x0000000000adc974 CrashReportClient!main [/home/sujee/UnrealEngine/Engine/Source/Programs/CrashReportClient/Private/Linux/CrashReportClientMainLinux.cpp:67]
0x00007df6ac22a1ca libc.so.6!UnknownFunction(0x2a1c9)
0x00007df6ac22a28b libc.so.6!__libc_start_main(+0x8a)
0x0000000000acd3d9 CrashReportClient!_start()
[2025.07.10-18.23.32:076][ 0]LogExit: Executing StaticShutdownAfterError
[2025.07.10-18.23.32:077][ 0]LogCore: FUnixPlatformMisc::RequestExit(1)
Engine crash handling finished; re-raising signal 11 for the default handler. Good bye.
Segmentation fault (core dumped)