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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-27 10:34:19 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-27 10:34:19 -0300
commit1c29f4306f557ef5d9ed515ec8881f4d1735b058 (patch)
tree1359b9f8403af67e35bbbaae36e2b60c9bb3d2da /net/ipv6
parent5b465b045af3a649a89b8a5c5bfdece20ffc0345 (diff)
Linux-libre 4.7.5-gnupck-4.7.5-gnu
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrconf.c6
-rw-r--r--net/ipv6/ip6_tunnel.c2
-rw-r--r--net/ipv6/ping.c9
-rw-r--r--net/ipv6/tcp_ipv6.c8
4 files changed, 20 insertions, 5 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 047c75a79..82e367b9e 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1906,6 +1906,7 @@ errdad:
spin_unlock_bh(&ifp->lock);
addrconf_mod_dad_work(ifp, 0);
+ in6_ifa_put(ifp);
}
/* Join to solicited addr multicast group.
@@ -3469,7 +3470,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
/* combine the user config with event to determine if permanent
* addresses are to be removed from address hash table
*/
- keep_addr = !(how || _keep_addr <= 0);
+ keep_addr = !(how || _keep_addr <= 0 || idev->cnf.disable_ipv6);
/* Step 2: clear hash table */
for (i = 0; i < IN6_ADDR_HSIZE; i++) {
@@ -3525,7 +3526,7 @@ restart:
/* re-combine the user config with event to determine if permanent
* addresses are to be removed from the interface list
*/
- keep_addr = (!how && _keep_addr > 0);
+ keep_addr = (!how && _keep_addr > 0 && !idev->cnf.disable_ipv6);
INIT_LIST_HEAD(&del_list);
list_for_each_entry_safe(ifa, tmp, &idev->addr_list, if_list) {
@@ -3771,6 +3772,7 @@ static void addrconf_dad_work(struct work_struct *w)
addrconf_dad_begin(ifp);
goto out;
} else if (action == DAD_ABORT) {
+ in6_ifa_hold(ifp);
addrconf_dad_stop(ifp, 1);
goto out;
}
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 7b0481e37..888543deb 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1174,6 +1174,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
encap_limit = t->parms.encap_limit;
memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
+ fl6.flowi6_proto = IPPROTO_IPIP;
dsfield = ipv4_get_dsfield(iph);
@@ -1233,6 +1234,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
encap_limit = t->parms.encap_limit;
memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
+ fl6.flowi6_proto = IPPROTO_IPV6;
dsfield = ipv6_get_dsfield(ipv6h);
if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
index 3ee3e444a..408660477 100644
--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -122,8 +122,10 @@ static int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
rt = (struct rt6_info *) dst;
np = inet6_sk(sk);
- if (!np)
- return -EBADF;
+ if (!np) {
+ err = -EBADF;
+ goto dst_err_out;
+ }
if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
fl6.flowi6_oif = np->mcast_oif;
@@ -160,6 +162,9 @@ static int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
}
release_sock(sk);
+dst_err_out:
+ dst_release(dst);
+
if (err)
return err;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 90ea274a7..a2aaca9be 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -953,9 +953,15 @@ static void tcp_v6_reqsk_send_ack(const struct sock *sk, struct sk_buff *skb,
/* sk->sk_state == TCP_LISTEN -> for regular TCP_SYN_RECV
* sk->sk_state == TCP_SYN_RECV -> for Fast Open.
*/
+ /* RFC 7323 2.3
+ * The window field (SEG.WND) of every outgoing segment, with the
+ * exception of <SYN> segments, MUST be right-shifted by
+ * Rcv.Wind.Shift bits:
+ */
tcp_v6_send_ack(sk, skb, (sk->sk_state == TCP_LISTEN) ?
tcp_rsk(req)->snt_isn + 1 : tcp_sk(sk)->snd_nxt,
- tcp_rsk(req)->rcv_nxt, req->rsk_rcv_wnd,
+ tcp_rsk(req)->rcv_nxt,
+ req->rsk_rcv_wnd >> inet_rsk(req)->rcv_wscale,
tcp_time_stamp, req->ts_recent, sk->sk_bound_dev_if,
tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr),
0, 0);