On 2/19/22 01:30, Sean Christopherson wrote:> > So I think this can be:> > rcu_read_lock();> parent = rcu_dereference(current->real_parent);> get_task_struct(parent);> rcu_read_unlock();> > (void)cgroup_attach_task_all(parent, current);> put_task_struct(parent);Yes, I agree.Paolo