diff options
Diffstat (limited to 'net/ipv6')
-rw-r--r-- | net/ipv6/addrconf.c | 11 | ||||
-rw-r--r-- | net/ipv6/calipso.c | 6 | ||||
-rw-r--r-- | net/ipv6/datagram.c | 8 | ||||
-rw-r--r-- | net/ipv6/esp6_offload.c | 25 | ||||
-rw-r--r-- | net/ipv6/fib6_rules.c | 22 | ||||
-rw-r--r-- | net/ipv6/icmp.c | 2 | ||||
-rw-r--r-- | net/ipv6/ila/ila_xlat.c | 1 | ||||
-rw-r--r-- | net/ipv6/ip6_fib.c | 3 | ||||
-rw-r--r-- | net/ipv6/ip6_gre.c | 9 | ||||
-rw-r--r-- | net/ipv6/ip6_offload.c | 4 | ||||
-rw-r--r-- | net/ipv6/ip6_output.c | 2 | ||||
-rw-r--r-- | net/ipv6/ip6_tunnel.c | 17 | ||||
-rw-r--r-- | net/ipv6/ip6_vti.c | 8 | ||||
-rw-r--r-- | net/ipv6/ip6mr.c | 2 | ||||
-rw-r--r-- | net/ipv6/ping.c | 2 | ||||
-rw-r--r-- | net/ipv6/proc.c | 2 | ||||
-rw-r--r-- | net/ipv6/raw.c | 2 | ||||
-rw-r--r-- | net/ipv6/route.c | 7 | ||||
-rw-r--r-- | net/ipv6/sit.c | 8 | ||||
-rw-r--r-- | net/ipv6/udp.c | 3 | ||||
-rw-r--r-- | net/ipv6/xfrm6_input.c | 2 | ||||
-rw-r--r-- | net/ipv6/xfrm6_mode_ro.c | 2 | ||||
-rw-r--r-- | net/ipv6/xfrm6_mode_transport.c | 2 |
23 files changed, 97 insertions, 53 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 6a4fb1e629fb..1d2dbace42ff 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -332,9 +332,9 @@ static void addrconf_mod_rs_timer(struct inet6_dev *idev, static void addrconf_mod_dad_work(struct inet6_ifaddr *ifp, unsigned long delay) { - if (!delayed_work_pending(&ifp->dad_work)) - in6_ifa_hold(ifp); - mod_delayed_work(addrconf_wq, &ifp->dad_work, delay); + in6_ifa_hold(ifp); + if (mod_delayed_work(addrconf_wq, &ifp->dad_work, delay)) + in6_ifa_put(ifp); } static int snmp6_alloc_dev(struct inet6_dev *idev) @@ -3369,6 +3369,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, struct net_device *dev = netdev_notifier_info_to_dev(ptr); struct netdev_notifier_changeupper_info *info; struct inet6_dev *idev = __in6_dev_get(dev); + struct net *net = dev_net(dev); int run_pending = 0; int err; @@ -3384,7 +3385,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, case NETDEV_CHANGEMTU: /* if MTU under IPV6_MIN_MTU stop IPv6 on this interface. */ if (dev->mtu < IPV6_MIN_MTU) { - addrconf_ifdown(dev, 1); + addrconf_ifdown(dev, dev != net->loopback_dev); break; } @@ -3500,7 +3501,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, * IPV6_MIN_MTU stop IPv6 on this interface. */ if (dev->mtu < IPV6_MIN_MTU) - addrconf_ifdown(dev, 1); + addrconf_ifdown(dev, dev != net->loopback_dev); } break; diff --git a/net/ipv6/calipso.c b/net/ipv6/calipso.c index 37ac9de713c6..8d772fea1dde 100644 --- a/net/ipv6/calipso.c +++ b/net/ipv6/calipso.c @@ -1319,7 +1319,7 @@ static int calipso_skbuff_setattr(struct sk_buff *skb, struct ipv6hdr *ip6_hdr; struct ipv6_opt_hdr *hop; unsigned char buf[CALIPSO_MAX_BUFFER]; - int len_delta, new_end, pad; + int len_delta, new_end, pad, payload; unsigned int start, end; ip6_hdr = ipv6_hdr(skb); @@ -1346,6 +1346,8 @@ static int calipso_skbuff_setattr(struct sk_buff *skb, if (ret_val < 0) return ret_val; + ip6_hdr = ipv6_hdr(skb); /* Reset as skb_cow() may have moved it */ + if (len_delta) { if (len_delta > 0) skb_push(skb, len_delta); @@ -1355,6 +1357,8 @@ static int calipso_skbuff_setattr(struct sk_buff *skb, sizeof(*ip6_hdr) + start); skb_reset_network_header(skb); ip6_hdr = ipv6_hdr(skb); + payload = ntohs(ip6_hdr->payload_len); + ip6_hdr->payload_len = htons(payload + len_delta); } hop = (struct ipv6_opt_hdr *)(ip6_hdr + 1); diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index e011122ebd43..5c786f5ab961 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -250,8 +250,14 @@ ipv4_connected: */ err = ip6_datagram_dst_update(sk, true); - if (err) + if (err) { + /* Reset daddr and dport so that udp_v6_early_demux() + * fails to find this socket + */ + memset(&sk->sk_v6_daddr, 0, sizeof(sk->sk_v6_daddr)); + inet->inet_dport = 0; goto out; + } sk->sk_state = TCP_ESTABLISHED; sk_set_txhash(sk); diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c index d950d43ba255..f02f131f6435 100644 --- a/net/ipv6/esp6_offload.c +++ b/net/ipv6/esp6_offload.c @@ -30,6 +30,25 @@ #include <net/ipv6.h> #include <linux/icmpv6.h> +static __u16 esp6_nexthdr_esp_offset(struct ipv6hdr *ipv6_hdr, int nhlen) +{ + int off = sizeof(struct ipv6hdr); + struct ipv6_opt_hdr *exthdr; + + if (likely(ipv6_hdr->nexthdr == NEXTHDR_ESP)) + return offsetof(struct ipv6hdr, nexthdr); + + while (off < nhlen) { + exthdr = (void *)ipv6_hdr + off; + if (exthdr->nexthdr == NEXTHDR_ESP) + return off; + + off += ipv6_optlen(exthdr); + } + + return 0; +} + static struct sk_buff **esp6_gro_receive(struct sk_buff **head, struct sk_buff *skb) { @@ -38,6 +57,7 @@ static struct sk_buff **esp6_gro_receive(struct sk_buff **head, struct xfrm_state *x; __be32 seq; __be32 spi; + int nhoff; int err; skb_pull(skb, offset); @@ -72,6 +92,11 @@ static struct sk_buff **esp6_gro_receive(struct sk_buff **head, xo->flags |= XFRM_GRO; + nhoff = esp6_nexthdr_esp_offset(ipv6_hdr(skb), offset); + if (!nhoff) + goto out; + + IP6CB(skb)->nhoff = nhoff; XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = NULL; XFRM_SPI_SKB_CB(skb)->family = AF_INET6; XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr); diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c index eea23b57c6a5..ec849d88a662 100644 --- a/net/ipv6/fib6_rules.c +++ b/net/ipv6/fib6_rules.c @@ -32,7 +32,6 @@ struct fib6_rule { struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6, int flags, pol_lookup_t lookup) { - struct rt6_info *rt; struct fib_lookup_arg arg = { .lookup_ptr = lookup, .flags = FIB_LOOKUP_NOREF, @@ -44,21 +43,11 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6, fib_rules_lookup(net->ipv6.fib6_rules_ops, flowi6_to_flowi(fl6), flags, &arg); - rt = arg.result; + if (arg.result) + return arg.result; - if (!rt) { - dst_hold(&net->ipv6.ip6_null_entry->dst); - return &net->ipv6.ip6_null_entry->dst; - } - - if (rt->rt6i_flags & RTF_REJECT && - rt->dst.error == -EAGAIN) { - ip6_rt_put(rt); - rt = net->ipv6.ip6_null_entry; - dst_hold(&rt->dst); - } - - return &rt->dst; + dst_hold(&net->ipv6.ip6_null_entry->dst); + return &net->ipv6.ip6_null_entry->dst; } static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp, @@ -121,7 +110,8 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp, flp6->saddr = saddr; } err = rt->dst.error; - goto out; + if (err != -EAGAIN) + goto out; } again: ip6_rt_put(rt); diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 230b5aac9f03..8d7b113958b1 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -491,7 +491,7 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info, local_bh_disable(); /* Check global sysctl_icmp_msgs_per_sec ratelimit */ - if (!icmpv6_global_allow(type)) + if (!(skb->dev->flags&IFF_LOOPBACK) && !icmpv6_global_allow(type)) goto out_bh_enable; mip6_addr_swap(skb); diff --git a/net/ipv6/ila/ila_xlat.c b/net/ipv6/ila/ila_xlat.c index 2fd5ca151dcf..77f7f8c7d93d 100644 --- a/net/ipv6/ila/ila_xlat.c +++ b/net/ipv6/ila/ila_xlat.c @@ -62,6 +62,7 @@ static inline u32 ila_locator_hash(struct ila_locator loc) { u32 *v = (u32 *)loc.v32; + __ila_hash_secret_init(); return jhash_2words(v[0], v[1], hashrnd); } diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index d4bf2c68a545..e6b78ba0e636 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -289,8 +289,7 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6, struct rt6_info *rt; rt = lookup(net, net->ipv6.fib6_main_tbl, fl6, flags); - if (rt->rt6i_flags & RTF_REJECT && - rt->dst.error == -EAGAIN) { + if (rt->dst.error == -EAGAIN) { ip6_rt_put(rt); rt = net->ipv6.ip6_null_entry; dst_hold(&rt->dst); diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 0c5b4caa1949..64eea3962733 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -991,13 +991,13 @@ static void ip6gre_dev_free(struct net_device *dev) dst_cache_destroy(&t->dst_cache); free_percpu(dev->tstats); - free_netdev(dev); } static void ip6gre_tunnel_setup(struct net_device *dev) { dev->netdev_ops = &ip6gre_netdev_ops; - dev->destructor = ip6gre_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = ip6gre_dev_free; dev->type = ARPHRD_IP6GRE; @@ -1148,7 +1148,7 @@ static int __net_init ip6gre_init_net(struct net *net) return 0; err_reg_dev: - ip6gre_dev_free(ign->fb_tunnel_dev); + free_netdev(ign->fb_tunnel_dev); err_alloc_dev: return err; } @@ -1300,7 +1300,8 @@ static void ip6gre_tap_setup(struct net_device *dev) ether_setup(dev); dev->netdev_ops = &ip6gre_tap_netdev_ops; - dev->destructor = ip6gre_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = ip6gre_dev_free; dev->features |= NETIF_F_NETNS_LOCAL; dev->priv_flags &= ~IFF_TX_SKB_SHARING; diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index 280268f1dd7b..cdb3728faca7 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -116,8 +116,10 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, if (udpfrag) { int err = ip6_find_1stfragopt(skb, &prevhdr); - if (err < 0) + if (err < 0) { + kfree_skb_list(segs); return ERR_PTR(err); + } fptr = (struct frag_hdr *)((u8 *)ipv6h + err); fptr->frag_off = htons(offset); if (skb->next) diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index bf8a58a1c32d..1699acb2fa2c 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1390,7 +1390,7 @@ emsgsize: */ cork->length += length; - if ((((length + fragheaderlen) > mtu) || + if ((((length + (skb ? skb->len : headersize)) > mtu) || (skb && skb_is_gso(skb))) && (sk->sk_protocol == IPPROTO_UDP) && (rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) && diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 7ae6c503f1ca..8c6c3c8e7eef 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -254,7 +254,6 @@ static void ip6_dev_free(struct net_device *dev) gro_cells_destroy(&t->gro_cells); dst_cache_destroy(&t->dst_cache); free_percpu(dev->tstats); - free_netdev(dev); } static int ip6_tnl_create2(struct net_device *dev) @@ -322,7 +321,7 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct __ip6_tnl_parm *p) return t; failed_free: - ip6_dev_free(dev); + free_netdev(dev); failed: return ERR_PTR(err); } @@ -859,6 +858,8 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb, return 0; drop: + if (tun_dst) + dst_release((struct dst_entry *)tun_dst); kfree_skb(skb); return 0; } @@ -1095,6 +1096,9 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield, if (!dst) { route_lookup: + /* add dsfield to flowlabel for route lookup */ + fl6->flowlabel = ip6_make_flowinfo(dsfield, fl6->flowlabel); + dst = ip6_route_output(net, NULL, fl6); if (dst->error) @@ -1244,7 +1248,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) fl6.flowi6_proto = IPPROTO_IPIP; fl6.daddr = key->u.ipv6.dst; fl6.flowlabel = key->label; - dsfield = ip6_tclass(key->label); + dsfield = key->tos; } else { if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT)) encap_limit = t->parms.encap_limit; @@ -1315,7 +1319,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) fl6.flowi6_proto = IPPROTO_IPV6; fl6.daddr = key->u.ipv6.dst; fl6.flowlabel = key->label; - dsfield = ip6_tclass(key->label); + dsfield = key->tos; } else { offset = ip6_tnl_parse_tlv_enc_lim(skb, skb_network_header(skb)); /* ip6_tnl_parse_tlv_enc_lim() might have reallocated skb->head */ @@ -1774,7 +1778,8 @@ static const struct net_device_ops ip6_tnl_netdev_ops = { static void ip6_tnl_dev_setup(struct net_device *dev) { dev->netdev_ops = &ip6_tnl_netdev_ops; - dev->destructor = ip6_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = ip6_dev_free; dev->type = ARPHRD_TUNNEL6; dev->flags |= IFF_NOARP; @@ -2221,7 +2226,7 @@ static int __net_init ip6_tnl_init_net(struct net *net) return 0; err_register: - ip6_dev_free(ip6n->fb_tnl_dev); + free_netdev(ip6n->fb_tnl_dev); err_alloc_dev: return err; } diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index d67ef56454b2..837ea1eefe7f 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -180,7 +180,6 @@ vti6_tnl_unlink(struct vti6_net *ip6n, struct ip6_tnl *t) static void vti6_dev_free(struct net_device *dev) { free_percpu(dev->tstats); - free_netdev(dev); } static int vti6_tnl_create2(struct net_device *dev) @@ -235,7 +234,7 @@ static struct ip6_tnl *vti6_tnl_create(struct net *net, struct __ip6_tnl_parm *p return t; failed_free: - vti6_dev_free(dev); + free_netdev(dev); failed: return NULL; } @@ -842,7 +841,8 @@ static const struct net_device_ops vti6_netdev_ops = { static void vti6_dev_setup(struct net_device *dev) { dev->netdev_ops = &vti6_netdev_ops; - dev->destructor = vti6_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = vti6_dev_free; dev->type = ARPHRD_TUNNEL6; dev->hard_header_len = LL_MAX_HEADER + sizeof(struct ipv6hdr); @@ -1100,7 +1100,7 @@ static int __net_init vti6_init_net(struct net *net) return 0; err_register: - vti6_dev_free(ip6n->fb_tnl_dev); + free_netdev(ip6n->fb_tnl_dev); err_alloc_dev: return err; } diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 374997d26488..2ecb39b943b5 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -733,7 +733,7 @@ static void reg_vif_setup(struct net_device *dev) dev->mtu = 1500 - sizeof(struct ipv6hdr) - 8; dev->flags = IFF_NOARP; dev->netdev_ops = ®_vif_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->features |= NETIF_F_NETNS_LOCAL; } diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c index 9b522fa90e6d..ac826dd338ff 100644 --- a/net/ipv6/ping.c +++ b/net/ipv6/ping.c @@ -192,7 +192,7 @@ static struct inet_protosw pingv6_protosw = { .type = SOCK_DGRAM, .protocol = IPPROTO_ICMPV6, .prot = &pingv6_prot, - .ops = &inet6_dgram_ops, + .ops = &inet6_sockraw_ops, .flags = INET_PROTOSW_REUSE, }; diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c index cc8e3ae9ca73..e88bcb8ff0fd 100644 --- a/net/ipv6/proc.c +++ b/net/ipv6/proc.c @@ -219,7 +219,7 @@ static void snmp6_seq_show_item64(struct seq_file *seq, void __percpu *mib, u64 buff64[SNMP_MIB_MAX]; int i; - memset(buff64, 0, sizeof(unsigned long) * SNMP_MIB_MAX); + memset(buff64, 0, sizeof(u64) * SNMP_MIB_MAX); snmp_get_cpu_field64_batch(buff64, itemlist, mib, syncpoff); for (i = 0; itemlist[i].name; i++) diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 1f992d9e261d..60be012fe708 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -1338,7 +1338,7 @@ void raw6_proc_exit(void) #endif /* CONFIG_PROC_FS */ /* Same as inet6_dgram_ops, sans udp_poll. */ -static const struct proto_ops inet6_sockraw_ops = { +const struct proto_ops inet6_sockraw_ops = { .family = PF_INET6, .owner = THIS_MODULE, .release = inet6_release, diff --git a/net/ipv6/route.c b/net/ipv6/route.c index dc61b0b5e64e..322bd62e688b 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -2804,6 +2804,7 @@ static int fib6_ifdown(struct rt6_info *rt, void *arg) if ((rt->dst.dev == dev || !dev) && rt != adn->net->ipv6.ip6_null_entry && (rt->rt6i_nsiblings == 0 || + (dev && netdev_unregistering(dev)) || !rt->rt6i_idev->cnf.ignore_routes_with_linkdown)) return -1; @@ -3721,7 +3722,11 @@ static int ip6_route_dev_notify(struct notifier_block *this, net->ipv6.ip6_blk_hole_entry->dst.dev = dev; net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev); #endif - } else if (event == NETDEV_UNREGISTER) { + } else if (event == NETDEV_UNREGISTER && + dev->reg_state != NETREG_UNREGISTERED) { + /* NETDEV_UNREGISTER could be fired for multiple times by + * netdev_wait_allrefs(). Make sure we only call this once. + */ in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev); #ifdef CONFIG_IPV6_MULTIPLE_TABLES in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev); diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 61e5902f0687..f8ad15891cd7 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -265,7 +265,7 @@ static struct ip_tunnel *ipip6_tunnel_locate(struct net *net, return nt; failed_free: - ipip6_dev_free(dev); + free_netdev(dev); failed: return NULL; } @@ -305,7 +305,7 @@ static int ipip6_tunnel_get_prl(struct ip_tunnel *t, * we try harder to allocate. */ kp = (cmax <= 1 || capable(CAP_NET_ADMIN)) ? - kcalloc(cmax, sizeof(*kp), GFP_KERNEL) : + kcalloc(cmax, sizeof(*kp), GFP_KERNEL | __GFP_NOWARN) : NULL; rcu_read_lock(); @@ -1336,7 +1336,6 @@ static void ipip6_dev_free(struct net_device *dev) dst_cache_destroy(&tunnel->dst_cache); free_percpu(dev->tstats); - free_netdev(dev); } #define SIT_FEATURES (NETIF_F_SG | \ @@ -1351,7 +1350,8 @@ static void ipip6_tunnel_setup(struct net_device *dev) int t_hlen = tunnel->hlen + sizeof(struct iphdr); dev->netdev_ops = &ipip6_netdev_ops; - dev->destructor = ipip6_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = ipip6_dev_free; dev->type = ARPHRD_SIT; dev->hard_header_len = LL_MAX_HEADER + t_hlen; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 06ec39b79609..75703fda23e7 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -879,7 +879,8 @@ static struct sock *__udp6_lib_demux_lookup(struct net *net, struct sock *sk; udp_portaddr_for_each_entry_rcu(sk, &hslot2->head) { - if (INET6_MATCH(sk, net, rmt_addr, loc_addr, ports, dif)) + if (sk->sk_state == TCP_ESTABLISHED && + INET6_MATCH(sk, net, rmt_addr, loc_addr, ports, dif)) return sk; /* Only check first socket in chain */ break; diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c index 08a807b29298..3ef5d913e7a3 100644 --- a/net/ipv6/xfrm6_input.c +++ b/net/ipv6/xfrm6_input.c @@ -43,8 +43,8 @@ int xfrm6_transport_finish(struct sk_buff *skb, int async) return 1; #endif - ipv6_hdr(skb)->payload_len = htons(skb->len); __skb_push(skb, skb->data - skb_network_header(skb)); + ipv6_hdr(skb)->payload_len = htons(skb->len - sizeof(struct ipv6hdr)); if (xo && (xo->flags & XFRM_GRO)) { skb_mac_header_rebuild(skb); diff --git a/net/ipv6/xfrm6_mode_ro.c b/net/ipv6/xfrm6_mode_ro.c index 0e015906f9ca..07d36573f50b 100644 --- a/net/ipv6/xfrm6_mode_ro.c +++ b/net/ipv6/xfrm6_mode_ro.c @@ -47,6 +47,8 @@ static int xfrm6_ro_output(struct xfrm_state *x, struct sk_buff *skb) iph = ipv6_hdr(skb); hdr_len = x->type->hdr_offset(x, skb, &prevhdr); + if (hdr_len < 0) + return hdr_len; skb_set_mac_header(skb, (prevhdr - x->props.header_len) - skb->data); skb_set_network_header(skb, -x->props.header_len); skb->transport_header = skb->network_header + hdr_len; diff --git a/net/ipv6/xfrm6_mode_transport.c b/net/ipv6/xfrm6_mode_transport.c index 7a92c0f31912..9ad07a91708e 100644 --- a/net/ipv6/xfrm6_mode_transport.c +++ b/net/ipv6/xfrm6_mode_transport.c @@ -30,6 +30,8 @@ static int xfrm6_transport_output(struct xfrm_state *x, struct sk_buff *skb) skb_set_inner_transport_header(skb, skb_transport_offset(skb)); hdr_len = x->type->hdr_offset(x, skb, &prevhdr); + if (hdr_len < 0) + return hdr_len; skb_set_mac_header(skb, (prevhdr - x->props.header_len) - skb->data); skb_set_network_header(skb, -x->props.header_len); skb->transport_header = skb->network_header + hdr_len; |