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author | David S. Miller <davem@davemloft.net> | 2019-01-21 14:41:32 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2019-01-21 14:41:32 -0800 |
commit | fa7f3a8d56b38a3ed1880a3780afba82387da277 (patch) | |
tree | a4628ee966f21963e5e97a6d1a227a3e8138183e /net/ipv6 | |
parent | 28f9d1a3d4fecdb2352d3984ddeec88146385885 (diff) | |
parent | 49a57857aeea06ca831043acbb0fa5e0f50602fd (diff) | |
download | linux-stable-fa7f3a8d56b38a3ed1880a3780afba82387da277.tar.gz linux-stable-fa7f3a8d56b38a3ed1880a3780afba82387da277.tar.bz2 linux-stable-fa7f3a8d56b38a3ed1880a3780afba82387da277.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Completely minor snmp doc conflict.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r-- | net/ipv6/fou6.c | 9 | ||||
-rw-r--r-- | net/ipv6/ip6_gre.c | 14 | ||||
-rw-r--r-- | net/ipv6/route.c | 14 | ||||
-rw-r--r-- | net/ipv6/udp.c | 18 | ||||
-rw-r--r-- | net/ipv6/udp_impl.h | 1 | ||||
-rw-r--r-- | net/ipv6/udplite.c | 1 |
6 files changed, 34 insertions, 23 deletions
diff --git a/net/ipv6/fou6.c b/net/ipv6/fou6.c index 7da7bf3b7fe3..b858bd5280bf 100644 --- a/net/ipv6/fou6.c +++ b/net/ipv6/fou6.c @@ -90,10 +90,11 @@ static int gue6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, { int transport_offset = skb_transport_offset(skb); struct guehdr *guehdr; - size_t optlen; + size_t len, optlen; int ret; - if (skb->len < sizeof(struct udphdr) + sizeof(struct guehdr)) + len = sizeof(struct udphdr) + sizeof(struct guehdr); + if (!pskb_may_pull(skb, len)) return -EINVAL; guehdr = (struct guehdr *)&udp_hdr(skb)[1]; @@ -128,6 +129,10 @@ static int gue6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, optlen = guehdr->hlen << 2; + if (!pskb_may_pull(skb, len + optlen)) + return -EINVAL; + + guehdr = (struct guehdr *)&udp_hdr(skb)[1]; if (validate_gue_flags(guehdr, optlen)) return -EINVAL; diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 4a1a86e9c0e9..c465d8a102f2 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -922,6 +922,7 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, __u8 dsfield = false; struct flowi6 fl6; int err = -EINVAL; + __be16 proto; __u32 mtu; int nhoff; int thoff; @@ -1035,8 +1036,9 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, } /* Push GRE header. */ - gre_build_header(skb, 8, TUNNEL_SEQ, - htons(ETH_P_ERSPAN), 0, htonl(t->o_seqno++)); + proto = (t->parms.erspan_ver == 1) ? htons(ETH_P_ERSPAN) + : htons(ETH_P_ERSPAN2); + gre_build_header(skb, 8, TUNNEL_SEQ, proto, 0, htonl(t->o_seqno++)); /* TooBig packet may have updated dst->dev's mtu */ if (!t->parms.collect_md && dst && dst_mtu(dst) > dst->dev->mtu) @@ -1169,6 +1171,10 @@ static void ip6gre_tnl_copy_tnl_parm(struct ip6_tnl *t, t->parms.i_flags = p->i_flags; t->parms.o_flags = p->o_flags; t->parms.fwmark = p->fwmark; + t->parms.erspan_ver = p->erspan_ver; + t->parms.index = p->index; + t->parms.dir = p->dir; + t->parms.hwid = p->hwid; dst_cache_reset(&t->dst_cache); } @@ -2025,9 +2031,9 @@ static int ip6gre_changelink(struct net_device *dev, struct nlattr *tb[], struct nlattr *data[], struct netlink_ext_ack *extack) { - struct ip6gre_net *ign = net_generic(dev_net(dev), ip6gre_net_id); + struct ip6_tnl *t = netdev_priv(dev); + struct ip6gre_net *ign = net_generic(t->net, ip6gre_net_id); struct __ip6_tnl_parm p; - struct ip6_tnl *t; t = ip6gre_changelink_common(dev, tb, data, &p, extack); if (IS_ERR(t)) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 8e11f9a557b1..dc066fdf7e46 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -4251,17 +4251,6 @@ struct rt6_nh { struct list_head next; }; -static void ip6_print_replace_route_err(struct list_head *rt6_nh_list) -{ - struct rt6_nh *nh; - - list_for_each_entry(nh, rt6_nh_list, next) { - pr_warn("IPV6: multipath route replace failed (check consistency of installed routes): %pI6c nexthop %pI6c ifi %d\n", - &nh->r_cfg.fc_dst, &nh->r_cfg.fc_gateway, - nh->r_cfg.fc_ifindex); - } -} - static int ip6_route_info_append(struct net *net, struct list_head *rt6_nh_list, struct fib6_info *rt, @@ -4407,7 +4396,8 @@ static int ip6_route_multipath_add(struct fib6_config *cfg, nh->fib6_info = NULL; if (err) { if (replace && nhn) - ip6_print_replace_route_err(&rt6_nh_list); + NL_SET_ERR_MSG_MOD(extack, + "multipath route replace failed (check consistency of installed routes)"); err_nh = nh; goto add_errout; } diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 7c3505006f8e..2596ffdeebea 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -102,7 +102,7 @@ int udp_v6_get_port(struct sock *sk, unsigned short snum) return udp_lib_get_port(sk, snum, hash2_nulladdr); } -static void udp_v6_rehash(struct sock *sk) +void udp_v6_rehash(struct sock *sk) { u16 new_hash = ipv6_portaddr_hash(sock_net(sk), &sk->sk_v6_rcv_saddr, @@ -1132,15 +1132,23 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6, const int hlen = skb_network_header_len(skb) + sizeof(struct udphdr); - if (hlen + cork->gso_size > cork->fragsize) + if (hlen + cork->gso_size > cork->fragsize) { + kfree_skb(skb); return -EINVAL; - if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) + } + if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) { + kfree_skb(skb); return -EINVAL; - if (udp_sk(sk)->no_check6_tx) + } + if (udp_sk(sk)->no_check6_tx) { + kfree_skb(skb); return -EINVAL; + } if (skb->ip_summed != CHECKSUM_PARTIAL || is_udplite || - dst_xfrm(skb_dst(skb))) + dst_xfrm(skb_dst(skb))) { + kfree_skb(skb); return -EIO; + } skb_shinfo(skb)->gso_size = cork->gso_size; skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4; diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h index 5730e6503cb4..20e324b6f358 100644 --- a/net/ipv6/udp_impl.h +++ b/net/ipv6/udp_impl.h @@ -13,6 +13,7 @@ int __udp6_lib_err(struct sk_buff *, struct inet6_skb_parm *, u8, u8, int, __be32, struct udp_table *); int udp_v6_get_port(struct sock *sk, unsigned short snum); +void udp_v6_rehash(struct sock *sk); int udpv6_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c index a125aebc29e5..f35907836444 100644 --- a/net/ipv6/udplite.c +++ b/net/ipv6/udplite.c @@ -49,6 +49,7 @@ struct proto udplitev6_prot = { .recvmsg = udpv6_recvmsg, .hash = udp_lib_hash, .unhash = udp_lib_unhash, + .rehash = udp_v6_rehash, .get_port = udp_v6_get_port, .memory_allocated = &udp_memory_allocated, .sysctl_mem = sysctl_udp_mem, |