On Mon, 2018-04-16 at 20:12 -0700, Kees Cook wrote: > I still haven't figured this out, though... any have a moment to look > at this? Just to let you know you're not alone ... but I can't make any sense of this either. The bfdq is the elevator_data, which is initialised when the scheduler is attached, so it shouldn't change. Is it possible to set a data break point on elevator_data after it's initialised and see if it got changed by something? James