2016-06-16 20:57 GMT+08:00 Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>: > Hierarchy could be already throttled at this point. Throttled next > buddy could trigger null pointer dereference in pick_next_task_fair(). There is cfs_rq->next check in pick_next_entity(), so how can null pointer dereference happen? Regards, Wanpeng Li -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html