Description

This is a longstanding but low frequency Mac crash. Users have not provided any descriptions of their actions when the crash occurred.

Callstack from Log

[2017.10.26-22.22.57:828][183]LogSavePackage: Save=9.67ms
[2017.10.26-22.22.57:828][183]LogSavePackage: Async saving from memory to '/Users/pomeboys/Documents/Unreal Projects/MyProject/Saved/EditorCooked/MacNoEditor/Engine/Content/EngineFonts/Faces/RobotoBoldItalic.uasset'
[2017.10.26-22.22.57:828][183]LogSavePackage: Display: Finished SavePackage /Users/pomeboys/Documents/Unreal Projects/MyProject/Saved/EditorCooked/MacNoEditor/Engine/Content/EngineFonts/Faces/RobotoBoldItalic.uasset
[2017.10.26-22.22.58:341][184]LogExit: Preparing to exit.
[2017.10.26-22.22.58:712][184]LogMac: === Critical error: ===
SIGSEGV: invalid attempt to access memory at address 0x0

[2017.10.26-22.22.58:712][184]LogMac: 0x13b972bf UE4Editor-UnrealEd.dylib!TBaseUObjectMethodDelegateInstance<false, UEditorEngine, TTypeWrapper<void> ()>::Execute() const   [UnknownFile]) 
0x20647fa2 UE4Editor-LauncherServices.dylib!FLauncherWorker::CreateAndExecuteTasks(TSharedRef<ILauncherProfile, (ESPMode)0> const&)::FWaitForCookInEditorToFinish::PerformTask(FLauncherTaskChainState&)   [UnknownFile]) 
0x2064705c UE4Editor-LauncherServices.dylib!FLauncherTask::Run()   [UnknownFile]) 
0x0c77169e UE4Editor-Core.dylib!FRunnableThreadPThread::Run()   [UnknownFile]) 
0x0c71c3e7 UE4Editor-Core.dylib!FRunnableThreadPThread::_ThreadProc(void*)   [UnknownFile]) 
0xd37c893b libsystem_pthread.dylib!_pthread_body()   [UnknownFile]) 
0xd37c8887 libsystem_pthread.dylib!_pthread_body()   [UnknownFile]) 
0xd37c808d libsystem_pthread.dylib!thread_start()   [UnknownFile]) 
Steps to Reproduce

repro steps currently unknown

Callstack
SEGV_MAPERR at 0x0

UE4Editor-UnrealEd.dylib!TBaseUObjectMethodDelegateInstance<false, UEditorEngine, TTypeWrapper<void> ()>::Execute()
UE4Editor-LauncherServices.dylib!FLauncherWorker::CreateAndExecuteTasks(TSharedRef<ILauncherProfile, (ESPMode)0> const&)::FWaitForCookInEditorToFinish::PerformTask()
UE4Editor-LauncherServices.dylib!FLauncherTask::Run()
UE4Editor-Core.dylib!FRunnableThreadPThread::Run()
UE4Editor-Core.dylib!FRunnableThreadPThread::_ThreadProc()
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>

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Cannot Reproduce
ComponentPlatform - Mac
Affects Versions4.134.144.154.164.174.18
Target Fix4.22
CreatedNov 10, 2017
ResolvedJan 3, 2019
UpdatedJan 17, 2019