Prevent receiving large data

lua/custom_loadout/sv_main.lua

@@ -8,6 +8,7 @@ CLoadout.cache = {}
 -- safe guard against spam
 CLoadout.cooldown = {}
 CLoadout.spamCount = {}
+CLoadout.maxLength = 8192
 
 function CLoadout:IsAvailableForPlayer( ply )
     if not IsValid( ply ) then
@@ -112,6 +113,12 @@ function CLoadout:ReceiveData( len, ply )
         return
     end
 
+    if len > CLoadout.maxLength then
+        CLoadout.PrintF( "%s <%s> has sent loadout data that was too big!", ply:Nick(), steamId )
+
+        return
+    end
+
     self.cooldown[steamId] = t + 1
     self.spamCount[steamId] = 0