diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index e357c7a0a77be19261238e08d10117ec0e6bd7b5..3f45225fe91c67b12929cf23fa249ce7774676c4 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -87,6 +87,7 @@ struct Qdisc {
 	struct hlist_node       hash;
 	u32			handle;
 	u32			parent;
+	int			depth;
 
 	struct netdev_queue	*dev_queue;
 
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index fc43ea55f0f37c430cfe0e9eaf45a9561830278d..e1575bc906bd925a42e01212e00e1f894f4f6243 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1044,6 +1044,9 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
 	if (parent == NULL) {
 		unsigned int i, num_q, ingress;
 
+		if (new)
+			new->depth = 0;
+
 		ingress = 0;
 		num_q = dev->num_tx_queues;
 		if ((q && q->flags & TCQ_F_INGRESS) ||
@@ -1124,9 +1127,15 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
 			NL_SET_ERR_MSG(extack, "STAB not supported on a non root");
 			return -EINVAL;
 		}
+		if (new && parent->depth >= 7) {
+			NL_SET_ERR_MSG(extack, "Qdisc hierarchy is too deep");
+			return -E2BIG;
+		}
 		err = cops->graft(parent, cl, new, &old, extack);
 		if (err)
 			return err;
+		if (new)
+			new->depth = parent->depth + 1;
 		notify_and_destroy(net, skb, n, classid, old, new);
 	}
 	return 0;