Server Crash Loop caused by Saving during Klaus Death

September 11, 2020

Fixed

I've found a bizarre & very-specific crash which can essentially corrupt worlds and make them unplayable.

If a non-enraged Klaus dies at the same time that the world is saved, reloading that save (while no players are near Klaus) will cause the world to crash.

The crash seems to be caused by some code in the klaus stategraph treating its brain (a nil value in the aforementioned situation) like a table.

I tested this on the surface of a modless world that has Caves enabled.

Server log included. ♥

server_log.txt

Steps to Reproduce

• Spawn Klaus

• Teleport Klaus very far away from any players

• Kill Klaus & save the world simultaneously

• Attempt to re-load the save

console command to replicate:

local KLAUS = c_spawn("klaus") KLAUS.Transform:SetPosition(10000,0,10000) KLAUS.components.health:Kill() c_save()

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A developer has marked this issue as fixed. This means that the issue has been addressed in the current development build and will likely be in the next update.