Linux 3.18.65

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* Linux 3.18.65
@ 2017-08-13 15:33 Greg KH
  2017-08-13 15:33 ` Greg KH
  0 siblings, 1 reply; 2+ messages in thread
From: Greg KH @ 2017-08-13 15:33 UTC (permalink / raw)
  To: linux-kernel, Andrew Morton, torvalds, stable; +Cc: lwn, Jiri Slaby

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I'm announcing the release of the 3.18.65 kernel.

All users of the 3.18 kernel series must upgrade.

The updated 3.18.y git tree can be found at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-3.18.y
and can be browsed at the normal kernel.org git web browser:
	http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary

thanks,

greg k-h

------------

 Makefile               |    2 +-
 net/core/dev.c         |    2 +-
 net/ipv4/ip_output.c   |    7 +++++--
 net/ipv4/tcp_input.c   |    4 ++--
 net/ipv4/tcp_output.c  |    3 +++
 net/ipv4/tcp_timer.c   |    3 ++-
 net/ipv4/udp.c         |    2 +-
 net/ipv4/udp_offload.c |    2 +-
 net/ipv6/ip6_output.c  |    7 ++++---
 net/ipv6/udp_offload.c |    2 +-
 net/packet/af_packet.c |   13 +++++++++----
 net/sched/act_ipt.c    |    2 +-
 12 files changed, 31 insertions(+), 18 deletions(-)

Eric Dumazet (2):
      net: fix keepalive code vs TCP_FASTOPEN_CONNECT
      tcp: fastopen: tcp_connect() must refresh the route

Greg Kroah-Hartman (2):
      revert "ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output"
      Linux 3.18.65

Willem de Bruijn (3):
      net: avoid skb_warn_bad_offload false positives on UFO
      packet: fix tp_reserve race in packet_set_ring
      udp: consistently apply ufo or fragmentation

Xin Long (1):
      net: sched: set xt_tgchk_param par.nft_compat as 0 in ipt_init_target

Yuchung Cheng (1):
      tcp: avoid setting cwnd to invalid ssthresh after cwnd reduction states

zheng li (1):
      ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output


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^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: Linux 3.18.65
  2017-08-13 15:33 Linux 3.18.65 Greg KH
@ 2017-08-13 15:33 ` Greg KH
  0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2017-08-13 15:33 UTC (permalink / raw)
  To: linux-kernel, Andrew Morton, torvalds, stable; +Cc: lwn, Jiri Slaby

diff --git a/Makefile b/Makefile
index 02a30af3aad0..3979e65d516e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 3
 PATCHLEVEL = 18
-SUBLEVEL = 64
+SUBLEVEL = 65
 EXTRAVERSION =
 NAME = Diseased Newt
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 99b703e45c59..22ad4e433b3a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2436,7 +2436,7 @@ static inline bool skb_needs_check(struct sk_buff *skb, bool tx_path)
 {
 	if (tx_path)
 		return skb->ip_summed != CHECKSUM_PARTIAL &&
-		       skb->ip_summed != CHECKSUM_NONE;
+		       skb->ip_summed != CHECKSUM_UNNECESSARY;
 
 	return skb->ip_summed == CHECKSUM_NONE;
 }
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ba7f71169132..5ed8740017d0 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -888,10 +888,12 @@ static int __ip_append_data(struct sock *sk,
 		csummode = CHECKSUM_PARTIAL;
 
 	cork->length += length;
-	if ((((length + fragheaderlen) > mtu) || (skb && skb_is_gso(skb))) &&
+	if ((skb && skb_is_gso(skb)) ||
+	    (((length + fragheaderlen) > mtu) &&
+	    (skb_queue_len(queue) <= 1) &&
 	    (sk->sk_protocol == IPPROTO_UDP) &&
 	    (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len &&
-	    (sk->sk_type == SOCK_DGRAM)) {
+	    (sk->sk_type == SOCK_DGRAM))) {
 		err = ip_ufo_append_data(sk, queue, getfrag, from, length,
 					 hh_len, fragheaderlen, transhdrlen,
 					 maxfraglen, flags);
@@ -1207,6 +1209,7 @@ ssize_t	ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page,
 
 	cork->length += size;
 	if ((size + skb->len > mtu) &&
+	    (skb_queue_len(&sk->sk_write_queue) == 1) &&
 	    (sk->sk_protocol == IPPROTO_UDP) &&
 	    (rt->dst.dev->features & NETIF_F_UFO)) {
 		skb_shinfo(skb)->gso_size = mtu - fragheaderlen;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index c0e026ae388e..c16688d39ca4 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2535,8 +2535,8 @@ static inline void tcp_end_cwnd_reduction(struct sock *sk)
 	struct tcp_sock *tp = tcp_sk(sk);
 
 	/* Reset cwnd to ssthresh in CWR or Recovery (unless it's undone) */
-	if (inet_csk(sk)->icsk_ca_state == TCP_CA_CWR ||
-	    (tp->undo_marker && tp->snd_ssthresh < TCP_INFINITE_SSTHRESH)) {
+	if (tp->snd_ssthresh < TCP_INFINITE_SSTHRESH &&
+	    (inet_csk(sk)->icsk_ca_state == TCP_CA_CWR || tp->undo_marker)) {
 		tp->snd_cwnd = tp->snd_ssthresh;
 		tp->snd_cwnd_stamp = tcp_time_stamp;
 	}
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 5853c5a2264e..2adfa23285be 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3122,6 +3122,9 @@ int tcp_connect(struct sock *sk)
 	struct sk_buff *buff;
 	int err;
 
+	if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk))
+		return -EHOSTUNREACH; /* Routing failure or similar. */
+
 	tcp_connect_init(sk);
 
 	if (unlikely(tp->repair)) {
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index baec68553e90..f146c10ca11d 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -596,7 +596,8 @@ static void tcp_keepalive_timer (unsigned long data)
 		goto death;
 	}
 
-	if (!sock_flag(sk, SOCK_KEEPOPEN) || sk->sk_state == TCP_CLOSE)
+	if (!sock_flag(sk, SOCK_KEEPOPEN) ||
+	    ((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_SYN_SENT)))
 		goto out;
 
 	elapsed = keepalive_time_when(tp);
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ee26711a952a..085fd0d357e2 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -804,7 +804,7 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4)
 	if (is_udplite)  				 /*     UDP-Lite      */
 		csum = udplite_csum(skb);
 
-	else if (sk->sk_no_check_tx) {   /* UDP csum disabled */
+	else if (sk->sk_no_check_tx && !skb_is_gso(skb)) {   /* UDP csum off */
 
 		skb->ip_summed = CHECKSUM_NONE;
 		goto send;
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index e6d05ae1f22e..7a98b8d968c9 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -198,7 +198,7 @@ static struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb,
 	if (uh->check == 0)
 		uh->check = CSUM_MANGLED_0;
 
-	skb->ip_summed = CHECKSUM_NONE;
+	skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 	/* Fragment the skb. IP headers of the fragments are updated in
 	 * inet_gso_segment()
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 650e7c53c3c8..f71de459139f 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1305,11 +1305,12 @@ emsgsize:
 
 	skb = skb_peek_tail(&sk->sk_write_queue);
 	cork->length += length;
-	if ((((length + fragheaderlen) > mtu) ||
-	     (skb && skb_is_gso(skb))) &&
+	if ((skb && skb_is_gso(skb)) ||
+	    (((length + fragheaderlen) > mtu) &&
+	    (skb_queue_len(&sk->sk_write_queue) <= 1) &&
 	    (sk->sk_protocol == IPPROTO_UDP) &&
 	    (rt->dst.dev->features & NETIF_F_UFO) &&
-	    (sk->sk_type == SOCK_DGRAM)) {
+	    (sk->sk_type == SOCK_DGRAM))) {
 		err = ip6_ufo_append_data(sk, getfrag, from, length,
 					  hh_len, fragheaderlen,
 					  transhdrlen, mtu, flags, rt);
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index 050d556a7997..3e2a55307b3d 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -82,7 +82,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
 		if (uh->check == 0)
 			uh->check = CSUM_MANGLED_0;
 
-		skb->ip_summed = CHECKSUM_NONE;
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 		/* Check if there is enough headroom to insert fragment header. */
 		tnl_hlen = skb_tnl_header_len(skb);
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index eafac12b39a1..1c03d83edd7e 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -3310,14 +3310,19 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv
 
 		if (optlen != sizeof(val))
 			return -EINVAL;
-		if (po->rx_ring.pg_vec || po->tx_ring.pg_vec)
-			return -EBUSY;
 		if (copy_from_user(&val, optval, sizeof(val)))
 			return -EFAULT;
 		if (val > INT_MAX)
 			return -EINVAL;
-		po->tp_reserve = val;
-		return 0;
+		lock_sock(sk);
+		if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) {
+			ret = -EBUSY;
+		} else {
+			po->tp_reserve = val;
+			ret = 0;
+		}
+		release_sock(sk);
+		return ret;
 	}
 	case PACKET_LOSS:
 	{
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 8a64a0734aee..1faa24b3203e 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -42,8 +42,8 @@ static int ipt_init_target(struct xt_entry_target *t, char *table, unsigned int
 		return PTR_ERR(target);
 
 	t->u.kernel.target = target;
+	memset(&par, 0, sizeof(par));
 	par.table     = table;
-	par.entryinfo = NULL;
 	par.target    = target;
 	par.targinfo  = t->data;
 	par.hook_mask = hook;

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2017-08-13 15:33 ` Greg KH

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