On Mon, 2011-11-07 at 08:56 -0800, Paul E. McKenney wrote: > > > code has a problem. > > > > yeah, task_struct is rcu-freed > > But we are not in an RCU read-side critical section, otherwise the splat > would not have happened. Or did I miss a turn in the analysis roadmap > above?
I think cgroup code does get_task_struct()/put_task_struct().