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-rw-r--r--net/ipv6/addrconf.c11
-rw-r--r--net/ipv6/calipso.c6
-rw-r--r--net/ipv6/datagram.c8
-rw-r--r--net/ipv6/esp6_offload.c25
-rw-r--r--net/ipv6/fib6_rules.c22
-rw-r--r--net/ipv6/icmp.c2
-rw-r--r--net/ipv6/ila/ila_xlat.c1
-rw-r--r--net/ipv6/ip6_fib.c3
-rw-r--r--net/ipv6/ip6_gre.c9
-rw-r--r--net/ipv6/ip6_offload.c4
-rw-r--r--net/ipv6/ip6_output.c2
-rw-r--r--net/ipv6/ip6_tunnel.c17
-rw-r--r--net/ipv6/ip6_vti.c8
-rw-r--r--net/ipv6/ip6mr.c2
-rw-r--r--net/ipv6/ping.c2
-rw-r--r--net/ipv6/proc.c2
-rw-r--r--net/ipv6/raw.c2
-rw-r--r--net/ipv6/route.c7
-rw-r--r--net/ipv6/sit.c8
-rw-r--r--net/ipv6/udp.c3
-rw-r--r--net/ipv6/xfrm6_input.c2
-rw-r--r--net/ipv6/xfrm6_mode_ro.c2
-rw-r--r--net/ipv6/xfrm6_mode_transport.c2
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 = &reg_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;
generated by cgit (git 2.34.1) at 2024-06-04 22:20:07 +0000