+ rcu_read_lock();
+
+ /*
+ * Any nested-container's init processes won't ignore the
+ * SEND_SIG_NOINFO signal, see send_signal()->si_fromuser().
+ */
+ task = pid_task(find_vpid(nr), PIDTYPE_PID);
+ if (task)
+ send_sig_info(SIGKILL, SEND_SIG_NOINFO, task);
+
+ rcu_read_unlock();
+