Description

This is a trending Linux crash in 4.18. It seems to occur before a project loads.

Callstack from Log

[2017.10.27-08.31.13:659][  0]LogInit:  - Physical RAM available (not considering process quota): 16 GB (15963 MB, 16346364 KB, 16738676736 bytes)
[2017.10.27-08.31.13:808][  0]LogInit: Using OS detected language (en-US-POSIX).
[2017.10.27-08.31.13:808][  0]LogInit: Using OS detected locale (en-US-POSIX).
[2017.10.27-08.31.13:818][  0]LogTextLocalizationManager: No specific localization for 'en-US-POSIX' exists, so the 'en' localization will be used.
[2017.10.27-08.31.14:307][  0]LogLinux: === Critical error: ===
Unhandled Exception: SIGSEGV: invalid attempt to read memory at address 0x0000000000000010

[2017.10.27-08.31.14:307][  0]LogLinux: Fatal error!

0x00007fa42b0cdabf FLinuxPlatformStackWalk::CaptureStackBackTrace(unsigned long long*, unsigned int, void*)
0x00007fa42af6e7f6 FGenericPlatformStackWalk::StackWalkAndDump(char*, unsigned long, int, void*)
0x00007fa42b078522 FLinuxCrashContext::CaptureStackTrace()
0x00007fa41f9e3420 CommonLinuxCrashHandler(FGenericCrashContext const&)
0x00007fa42b07a67d PlatformCrashHandler(int, siginfo_t*, void*)
0x00007fa430b86330 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10330) [0x7fa430b86330]
0x00007fa424599c3f /UnrealEngine/Engine/Binaries/Linux/libUE4Editor-ApplicationCore.so(+0xabc3f) [0x7fa424599c3f]
0x00007fa42458e70d /UnrealEngine/Engine/Binaries/Linux/libUE4Editor-ApplicationCore.so(+0xa070d) [0x7fa42458e70d]
0x00007fa424563aef /UnrealEngine/Engine/Binaries/Linux/libUE4Editor-ApplicationCore.so(+0x75aef) [0x7fa424563aef]
0x00007fa42456073a /UnrealEngine/Engine/Binaries/Linux/libUE4Editor-ApplicationCore.so(+0x7273a) [0x7fa42456073a]
0x00007fa42453a799 FLinuxSplashState::InitSplashResources(FText const&, FString const&, FString const&)
0x00007fa42453bb31 FLinuxPlatformSplash::Show()
0x000000000041ab64 FEngineLoop::PreInit(wchar_t const*) [Runtime/Core/Public/Misc/CoreMisc.h:106]
0x000000000042e488 GuardedMain(wchar_t const*) [/UnrealEngine/Engine/Source/Runtime/Launch/Private/Launch.cpp:42]
0x00007fa41f9e428f CommonLinuxMain(int, char**, int (*)(wchar_t const*))
0x00007fa41f431f45 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fa41f431f45]
0x000000000041722f ./UE4Editor() [0x41722f]
Steps to Reproduce

repro steps currently unknown

Callstack
SIGSEGV: invalid attempt to read memory at address 0x0000000000000010

Unknown!PlatformCrashHandler()
Unknown!/lib/x86_64-linux-gnu/libpthread.so.0() [0x7fa430b:6330]
Unknown!/UnrealEngine/Engine/Binaries/Linux/libUE4Editor-ApplicationCore.so() [0x7fa424599c3f:0]
Unknown!/UnrealEngine/Engine/Binaries/Linux/libUE4Editor-ApplicationCore.so() [0x7fa42458e70d:0]
Unknown!/UnrealEngine/Engine/Binaries/Linux/libUE4Editor-ApplicationCore.so() [0x7fa424563aef:0]
Unknown!/UnrealEngine/Engine/Binaries/Linux/libUE4Editor-ApplicationCore.so() [0x7fa42456073a:0]
Unknown!FLinuxSplashState::InitSplashResources()
Unknown!FLinuxPlatformSplash::Show()
./UE4Editor!FEngineLoop::PreInit() [CoreMisc.h:106]
./UE4Editor!GuardedMain() [Launch.cpp:42]
Unknown!CommonLinuxMain()
Unknown!/lib/x86_64-linux-gnu/libc.so.6() [0x7fa41f431f:5]
Unknown!./UE4Editor() [0x41722f:0]

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Cannot Reproduce
ComponentUE - Platform - Linux
Affects Versions4.18
Target Fix4.20
Fix Commit3728468
CreatedOct 27, 2017
ResolvedJun 6, 2018
UpdatedAug 17, 2018
Pull Requests
4447 - klorberg
View Jira Issue