diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/addrconf.c | 30 | ||||
| -rw-r--r-- | net/ipv6/ip6_output.c | 1 | ||||
| -rw-r--r-- | net/ipv6/sit.c | 1 | ||||
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 3 | ||||
| -rw-r--r-- | net/ipv6/xfrm6_policy.c | 6 |
5 files changed, 34 insertions, 7 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 3883b4036a7..43b3c9f89c1 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1916,8 +1916,32 @@ ok: update_lft = 1; else if (stored_lft <= MIN_VALID_LIFETIME) { /* valid_lft <= stored_lft is always true */ - /* XXX: IPsec */ - update_lft = 0; + /* + * RFC 4862 Section 5.5.3e: + * "Note that the preferred lifetime of + * the corresponding address is always + * reset to the Preferred Lifetime in + * the received Prefix Information + * option, regardless of whether the + * valid lifetime is also reset or + * ignored." + * + * So if the preferred lifetime in + * this advertisement is different + * than what we have stored, but the + * valid lifetime is invalid, just + * reset prefered_lft. + * + * We must set the valid lifetime + * to the stored lifetime since we'll + * be updating the timestamp below, + * else we'll set it back to the + * minumum. + */ + if (prefered_lft != ifp->prefered_lft) { + valid_lft = stored_lft; + update_lft = 1; + } } else { valid_lft = MIN_VALID_LIFETIME; if (valid_lft < prefered_lft) @@ -3085,7 +3109,7 @@ restart: spin_unlock(&ifp->lock); continue; } else if (age >= ifp->prefered_lft) { - /* jiffies - ifp->tsamp > age >= ifp->prefered_lft */ + /* jiffies - ifp->tstamp > age >= ifp->prefered_lft */ int deprecate = 0; if (!(ifp->flags&IFA_F_DEPRECATED)) { diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 7c76e3d1821..87f8419a68f 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1484,7 +1484,6 @@ int ip6_push_pending_frames(struct sock *sk) skb->len += tmp_skb->len; skb->data_len += tmp_skb->len; skb->truesize += tmp_skb->truesize; - __sock_put(tmp_skb->sk); tmp_skb->destructor = NULL; tmp_skb->sk = NULL; } diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 68e52308e55..98b7327d094 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -1018,6 +1018,7 @@ static void ipip6_tunnel_setup(struct net_device *dev) dev->hard_header_len = LL_MAX_HEADER + sizeof(struct iphdr); dev->mtu = ETH_DATA_LEN - sizeof(struct iphdr); dev->flags = IFF_NOARP; + dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; dev->iflink = 0; dev->addr_len = 4; dev->features |= NETIF_F_NETNS_LOCAL; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 58810c65b63..d849dd53b78 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -896,6 +896,7 @@ struct request_sock_ops tcp6_request_sock_ops __read_mostly = { #ifdef CONFIG_TCP_MD5SIG static struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = { .md5_lookup = tcp_v6_reqsk_md5_lookup, + .calc_md5_hash = tcp_v6_md5_hash_skb, }; #endif @@ -1441,7 +1442,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, */ char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC); if (newkey != NULL) - tcp_v6_md5_do_add(newsk, &inet6_sk(sk)->daddr, + tcp_v6_md5_do_add(newsk, &newnp->daddr, newkey, key->keylen); } #endif diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index b4b16a43f27..3a3c677bc0f 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -157,7 +157,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) ipv6_addr_copy(&fl->fl6_dst, reverse ? &hdr->saddr : &hdr->daddr); ipv6_addr_copy(&fl->fl6_src, reverse ? &hdr->daddr : &hdr->saddr); - while (pskb_may_pull(skb, nh + offset + 1 - skb->data)) { + while (nh + offset + 1 < skb->data || + pskb_may_pull(skb, nh + offset + 1 - skb->data)) { nh = skb_network_header(skb); exthdr = (struct ipv6_opt_hdr *)(nh + offset); @@ -177,7 +178,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) case IPPROTO_TCP: case IPPROTO_SCTP: case IPPROTO_DCCP: - if (!onlyproto && pskb_may_pull(skb, nh + offset + 4 - skb->data)) { + if (!onlyproto && (nh + offset + 4 < skb->data || + pskb_may_pull(skb, nh + offset + 4 - skb->data))) { __be16 *ports = (__be16 *)exthdr; fl->fl_ip_sport = ports[!!reverse]; |