Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Trivial conflicts in net/can/isotp.c and
tools/testing/selftests/net/mptcp/mptcp_connect.sh

scaled_ppm_to_ppb() was moved from drivers/ptp/ptp_clock.c
to include/linux/ptp_clock_kernel.h in -next so re-apply
the fix there.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2 files changed, 24 insertions, 15 deletions

diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index 18edd9ad1410..a656baa321fe 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -904,14 +904,19 @@ static int tcf_ct_act_nat(struct sk_buff *skb,
 	}
 
 	err = ct_nat_execute(skb, ct, ctinfo, range, maniptype);
-	if (err == NF_ACCEPT &&
-	    ct->status & IPS_SRC_NAT && ct->status & IPS_DST_NAT) {
-		if (maniptype == NF_NAT_MANIP_SRC)
-			maniptype = NF_NAT_MANIP_DST;
-		else
-			maniptype = NF_NAT_MANIP_SRC;
-
-		err = ct_nat_execute(skb, ct, ctinfo, range, maniptype);
+	if (err == NF_ACCEPT && ct->status & IPS_DST_NAT) {
+		if (ct->status & IPS_SRC_NAT) {
+			if (maniptype == NF_NAT_MANIP_SRC)
+				maniptype = NF_NAT_MANIP_DST;
+			else
+				maniptype = NF_NAT_MANIP_SRC;
+
+			err = ct_nat_execute(skb, ct, ctinfo, range,
+					     maniptype);
+		} else if (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) {
+			err = ct_nat_execute(skb, ct, ctinfo, NULL,
+					     NF_NAT_MANIP_SRC);
+		}
 	}
 	return err;
 #else
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index 7d37638ee1c7..951542843cab 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -943,7 +943,7 @@ static struct tcphdr *cake_get_tcphdr(const struct sk_buff *skb,
 	}
 
 	tcph = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph);
-	if (!tcph)
+	if (!tcph || tcph->doff < 5)
 		return NULL;
 
 	return skb_header_pointer(skb, offset,
@@ -967,6 +967,8 @@ static const void *cake_get_tcpopt(const struct tcphdr *tcph,
 			length--;
 			continue;
 		}
+		if (length < 2)
+			break;
 		opsize = *ptr++;
 		if (opsize < 2 || opsize > length)
 			break;
@@ -1104,6 +1106,8 @@ static bool cake_tcph_may_drop(const struct tcphdr *tcph,
 			length--;
 			continue;
 		}
+		if (length < 2)
+			break;
 		opsize = *ptr++;
 		if (opsize < 2 || opsize > length)
 			break;
@@ -2338,7 +2342,7 @@ static int cake_config_precedence(struct Qdisc *sch)
 
 /*	List of known Diffserv codepoints:
  *
- *	Least Effort (CS1)
+ *	Least Effort (CS1, LE)
  *	Best Effort (CS0)
  *	Max Reliability & LLT "Lo" (TOS1)
  *	Max Throughput (TOS2)
@@ -2360,7 +2364,7 @@ static int cake_config_precedence(struct Qdisc *sch)
  *	Total 25 codepoints.
  */
 
-/*	List of traffic classes in RFC 4594:
+/*	List of traffic classes in RFC 4594, updated by RFC 8622:
  *		(roughly descending order of contended priority)
  *		(roughly ascending order of uncontended throughput)
  *
@@ -2375,7 +2379,7 @@ static int cake_config_precedence(struct Qdisc *sch)
  *	Ops, Admin, Management (CS2,TOS1) - eg. ssh
  *	Standard Service (CS0 & unrecognised codepoints)
  *	High Throughput Data (AF1x,TOS2)  - eg. web traffic
- *	Low Priority Data (CS1)           - eg. BitTorrent
+ *	Low Priority Data (CS1,LE)        - eg. BitTorrent
 
  *	Total 12 traffic classes.
  */
@@ -2391,7 +2395,7 @@ static int cake_config_diffserv8(struct Qdisc *sch)
  *		Video Streaming          (AF4x, AF3x, CS3)
  *		Bog Standard             (CS0 etc.)
  *		High Throughput          (AF1x, TOS2)
- *		Background Traffic       (CS1)
+ *		Background Traffic       (CS1, LE)
  *
  *		Total 8 traffic classes.
  */
@@ -2435,7 +2439,7 @@ static int cake_config_diffserv4(struct Qdisc *sch)
  *	    Latency Sensitive  (CS7, CS6, EF, VA, CS5, CS4)
  *	    Streaming Media    (AF4x, AF3x, CS3, AF2x, TOS4, CS2, TOS1)
  *	    Best Effort        (CS0, AF1x, TOS2, and those not specified)
- *	    Background Traffic (CS1)
+ *	    Background Traffic (CS1, LE)
  *
  *		Total 4 traffic classes.
  */
@@ -2473,7 +2477,7 @@ static int cake_config_diffserv4(struct Qdisc *sch)
 static int cake_config_diffserv3(struct Qdisc *sch)
 {
 /*  Simplified Diffserv structure with 3 tins.
- *		Low Priority		(CS1)
+ *		Low Priority		(CS1, LE)
  *		Best Effort
  *		Latency Sensitive	(TOS4, VA, EF, CS6, CS7)
  */