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-rw-r--r--net/ipv4/af_inet.c6
-rw-r--r--net/ipv4/ah4.c1
-rw-r--r--net/ipv4/arp.c1
-rw-r--r--net/ipv4/cipso_ipv4.c1
-rw-r--r--net/ipv4/devinet.c3
-rw-r--r--net/ipv4/fib_frontend.c1
-rw-r--r--net/ipv4/fib_hash.c1
-rw-r--r--net/ipv4/fib_semantics.c1
-rw-r--r--net/ipv4/fib_trie.c5
-rw-r--r--net/ipv4/icmp.c1
-rw-r--r--net/ipv4/igmp.c1
-rw-r--r--net/ipv4/inet_diag.c1
-rw-r--r--net/ipv4/inet_fragment.c1
-rw-r--r--net/ipv4/inet_timewait_sock.c1
-rw-r--r--net/ipv4/ip_forward.c1
-rw-r--r--net/ipv4/ip_fragment.c1
-rw-r--r--net/ipv4/ip_gre.c5
-rw-r--r--net/ipv4/ip_input.c1
-rw-r--r--net/ipv4/ip_options.c1
-rw-r--r--net/ipv4/ip_output.c1
-rw-r--r--net/ipv4/ip_sockglue.c1
-rw-r--r--net/ipv4/ipconfig.c1
-rw-r--r--net/ipv4/ipip.c1
-rw-r--r--net/ipv4/ipmr.c15
-rw-r--r--net/ipv4/netfilter.c1
-rw-r--r--net/ipv4/netfilter/arptable_filter.c1
-rw-r--r--net/ipv4/netfilter/ip_queue.c1
-rw-r--r--net/ipv4/netfilter/ipt_CLUSTERIP.c1
-rw-r--r--net/ipv4/netfilter/ipt_REJECT.c1
-rw-r--r--net/ipv4/netfilter/ipt_ULOG.c1
-rw-r--r--net/ipv4/netfilter/iptable_filter.c1
-rw-r--r--net/ipv4/netfilter/iptable_mangle.c1
-rw-r--r--net/ipv4/netfilter/iptable_raw.c1
-rw-r--r--net/ipv4/netfilter/iptable_security.c1
-rw-r--r--net/ipv4/netfilter/nf_nat_core.c1
-rw-r--r--net/ipv4/netfilter/nf_nat_helper.c1
-rw-r--r--net/ipv4/netfilter/nf_nat_rule.c1
-rw-r--r--net/ipv4/netfilter/nf_nat_snmp_basic.c1
-rw-r--r--net/ipv4/netfilter/nf_nat_standalone.c1
-rw-r--r--net/ipv4/raw.c1
-rw-r--r--net/ipv4/route.c39
-rw-r--r--net/ipv4/sysctl_net_ipv4.c1
-rw-r--r--net/ipv4/tcp.c67
-rw-r--r--net/ipv4/tcp_cong.c1
-rw-r--r--net/ipv4/tcp_input.c4
-rw-r--r--net/ipv4/tcp_ipv4.c6
-rw-r--r--net/ipv4/tcp_minisocks.c1
-rw-r--r--net/ipv4/tcp_output.c1
-rw-r--r--net/ipv4/tcp_probe.c1
-rw-r--r--net/ipv4/tcp_timer.c1
-rw-r--r--net/ipv4/tunnel4.c1
-rw-r--r--net/ipv4/udp.c1
-rw-r--r--net/ipv4/xfrm4_input.c1
-rw-r--r--net/ipv4/xfrm4_mode_tunnel.c1
54 files changed, 153 insertions, 42 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 33b7dffa773..f7135742238 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -86,6 +86,7 @@
#include <linux/poll.h>
#include <linux/netfilter_ipv4.h>
#include <linux/random.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@@ -530,6 +531,8 @@ int inet_dgram_connect(struct socket *sock, struct sockaddr * uaddr,
{
struct sock *sk = sock->sk;
+ if (addr_len < sizeof(uaddr->sa_family))
+ return -EINVAL;
if (uaddr->sa_family == AF_UNSPEC)
return sk->sk_prot->disconnect(sk, flags);
@@ -573,6 +576,9 @@ int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
int err;
long timeo;
+ if (addr_len < sizeof(uaddr->sa_family))
+ return -EINVAL;
+
lock_sock(sk);
if (uaddr->sa_family == AF_UNSPEC) {
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 987b47dc69a..880a5ec6dce 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -1,6 +1,7 @@
#include <crypto/hash.h>
#include <linux/err.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <net/ip.h>
#include <net/xfrm.h>
#include <net/ah.h>
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index c4dd1354280..6e747065c20 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -98,6 +98,7 @@
#include <linux/net.h>
#include <linux/rcupdate.h>
#include <linux/jhash.h>
+#include <linux/slab.h>
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
#endif
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 1e029dc7545..c97cd9ff697 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -44,6 +44,7 @@
#include <linux/string.h>
#include <linux/jhash.h>
#include <linux/audit.h>
+#include <linux/slab.h>
#include <net/ip.h>
#include <net/icmp.h>
#include <net/tcp.h>
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 51ca946e339..90e3d6379a4 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -50,6 +50,7 @@
#include <linux/notifier.h>
#include <linux/inetdevice.h>
#include <linux/igmp.h>
+#include <linux/slab.h>
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
#endif
@@ -1194,7 +1195,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
if (idx < s_idx)
goto cont;
- if (idx > s_idx)
+ if (h > s_h || idx > s_idx)
s_ip_idx = 0;
in_dev = __in_dev_get_rcu(dev);
if (!in_dev)
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 9b3e28ed524..4f0ed458c88 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -34,6 +34,7 @@
#include <linux/skbuff.h>
#include <linux/init.h>
#include <linux/list.h>
+#include <linux/slab.h>
#include <net/ip.h>
#include <net/protocol.h>
diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
index 14972017b9c..4ed7e0dea1b 100644
--- a/net/ipv4/fib_hash.c
+++ b/net/ipv4/fib_hash.c
@@ -32,6 +32,7 @@
#include <linux/skbuff.h>
#include <linux/netlink.h>
#include <linux/init.h>
+#include <linux/slab.h>
#include <net/net_namespace.h>
#include <net/ip.h>
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 1af0ea0fb6a..20f09c5b31e 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -32,6 +32,7 @@
#include <linux/proc_fs.h>
#include <linux/skbuff.h>
#include <linux/init.h>
+#include <linux/slab.h>
#include <net/arp.h>
#include <net/ip.h>
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index af5d8979286..59a838795e3 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -71,6 +71,7 @@
#include <linux/netlink.h>
#include <linux/init.h>
#include <linux/list.h>
+#include <linux/slab.h>
#include <net/net_namespace.h>
#include <net/ip.h>
#include <net/protocol.h>
@@ -961,7 +962,9 @@ fib_find_node(struct trie *t, u32 key)
struct node *n;
pos = 0;
- n = rcu_dereference(t->trie);
+ n = rcu_dereference_check(t->trie,
+ rcu_read_lock_held() ||
+ lockdep_rtnl_is_held());
while (n != NULL && NODE_TYPE(n) == T_TNODE) {
tn = (struct tnode *) n;
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 4b4c2bcd15d..ac4dec13273 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -74,6 +74,7 @@
#include <linux/netdevice.h>
#include <linux/string.h>
#include <linux/netfilter_ipv4.h>
+#include <linux/slab.h>
#include <net/snmp.h>
#include <net/ip.h>
#include <net/route.h>
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 63bf298ca10..15d3eeda92f 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -71,6 +71,7 @@
*/
#include <linux/module.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <linux/types.h>
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 1aaa8110d84..e5fa2ddce32 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -14,6 +14,7 @@
#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/random.h>
+#include <linux/slab.h>
#include <linux/cache.h>
#include <linux/init.h>
#include <linux/time.h>
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index eaf3e2c8646..a2ca6aed763 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -19,6 +19,7 @@
#include <linux/random.h>
#include <linux/skbuff.h>
#include <linux/rtnetlink.h>
+#include <linux/slab.h>
#include <net/inet_frag.h>
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index cc94cc2d8b2..c5af909cf70 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
#include <linux/kmemcheck.h>
+#include <linux/slab.h>
#include <net/inet_hashtables.h>
#include <net/inet_timewait_sock.h>
#include <net/ip.h>
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index a2991bc8e32..af10942b326 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -25,6 +25,7 @@
#include <linux/ip.h>
#include <linux/icmp.h>
#include <linux/netdevice.h>
+#include <linux/slab.h>
#include <net/sock.h>
#include <net/ip.h>
#include <net/tcp.h>
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index b59430bc041..75347ea70ea 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -32,6 +32,7 @@
#include <linux/netdevice.h>
#include <linux/jhash.h>
#include <linux/random.h>
+#include <linux/slab.h>
#include <net/route.h>
#include <net/dst.h>
#include <net/sock.h>
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index f47c9f76754..fe381d12ecd 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
@@ -810,11 +811,13 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
tunnel->err_count = 0;
}
- max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen;
+ max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + rt->u.dst.header_len;
if (skb_headroom(skb) < max_headroom || skb_shared(skb)||
(skb_cloned(skb) && !skb_clone_writable(skb, 0))) {
struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
+ if (max_headroom > dev->needed_headroom)
+ dev->needed_headroom = max_headroom;
if (!new_skb) {
ip_rt_put(rt);
txq->tx_dropped++;
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index c29de9879fd..f8ab7a380d4 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -119,6 +119,7 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
+#include <linux/slab.h>
#include <linux/net.h>
#include <linux/socket.h>
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 94bf105ef3c..4c09a31fd14 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -11,6 +11,7 @@
#include <linux/capability.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/types.h>
#include <asm/uaccess.h>
#include <linux/skbuff.h>
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 3451799e3db..c65f18e0936 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -51,6 +51,7 @@
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/highmem.h>
+#include <linux/slab.h>
#include <linux/socket.h>
#include <linux/sockios.h>
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 644dc43a55d..1e64dabbd23 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -23,6 +23,7 @@
#include <linux/icmp.h>
#include <linux/inetdevice.h>
#include <linux/netdevice.h>
+#include <linux/slab.h>
#include <net/sock.h>
#include <net/ip.h>
#include <net/icmp.h>
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 67890928164..067ce9e043d 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -53,6 +53,7 @@
#include <linux/root_dev.h>
#include <linux/delay.h>
#include <linux/nfs_fs.h>
+#include <linux/slab.h>
#include <net/net_namespace.h>
#include <net/arp.h>
#include <net/ip.h>
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 2f302d3ac9a..0b27b14dcc9 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -95,6 +95,7 @@
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 8582e12e4a6..9d4f6d1340a 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -47,6 +47,7 @@
#include <linux/mroute.h>
#include <linux/init.h>
#include <linux/if_ether.h>
+#include <linux/slab.h>
#include <net/net_namespace.h>
#include <net/ip.h>
#include <net/protocol.h>
@@ -802,6 +803,9 @@ static int ipmr_mfc_add(struct net *net, struct mfcctl *mfc, int mrtsock)
int line;
struct mfc_cache *uc, *c, **cp;
+ if (mfc->mfcc_parent >= MAXVIFS)
+ return -ENFILE;
+
line = MFC_HASH(mfc->mfcc_mcastgrp.s_addr, mfc->mfcc_origin.s_addr);
for (cp = &net->ipv4.mfc_cache_array[line];
@@ -1613,17 +1617,20 @@ ipmr_fill_mroute(struct sk_buff *skb, struct mfc_cache *c, struct rtmsg *rtm)
int ct;
struct rtnexthop *nhp;
struct net *net = mfc_net(c);
- struct net_device *dev = net->ipv4.vif_table[c->mfc_parent].dev;
u8 *b = skb_tail_pointer(skb);
struct rtattr *mp_head;
- if (dev)
- RTA_PUT(skb, RTA_IIF, 4, &dev->ifindex);
+ /* If cache is unresolved, don't try to parse IIF and OIF */
+ if (c->mfc_parent > MAXVIFS)
+ return -ENOENT;
+
+ if (VIF_EXISTS(net, c->mfc_parent))
+ RTA_PUT(skb, RTA_IIF, 4, &net->ipv4.vif_table[c->mfc_parent].dev->ifindex);
mp_head = (struct rtattr *)skb_put(skb, RTA_LENGTH(0));
for (ct = c->mfc_un.res.minvif; ct < c->mfc_un.res.maxvif; ct++) {
- if (c->mfc_un.res.ttls[ct] < 255) {
+ if (VIF_EXISTS(net, ct) && c->mfc_un.res.ttls[ct] < 255) {
if (skb_tailroom(skb) < RTA_ALIGN(RTA_ALIGN(sizeof(*nhp)) + 4))
goto rtattr_failure;
nhp = (struct rtnexthop *)skb_put(skb, RTA_ALIGN(sizeof(*nhp)));
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index c14623fc4d5..82fb43c5c59 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -4,6 +4,7 @@
#include <linux/netfilter_ipv4.h>
#include <linux/ip.h>
#include <linux/skbuff.h>
+#include <linux/gfp.h>
#include <net/route.h>
#include <net/xfrm.h>
#include <net/ip.h>
diff --git a/net/ipv4/netfilter/arptable_filter.c b/net/ipv4/netfilter/arptable_filter.c
index bfe26f32b93..79ca5e70d49 100644
--- a/net/ipv4/netfilter/arptable_filter.c
+++ b/net/ipv4/netfilter/arptable_filter.c
@@ -8,6 +8,7 @@
#include <linux/module.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter_arp/arp_tables.h>
+#include <linux/slab.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 2855f1f38cb..e2787048aa0 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -26,6 +26,7 @@
#include <linux/security.h>
#include <linux/net.h>
#include <linux/mutex.h>
+#include <linux/slab.h>
#include <net/net_namespace.h>
#include <net/sock.h>
#include <net/route.h>
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 0886f96c736..ab828400ed7 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -14,6 +14,7 @@
#include <linux/jhash.h>
#include <linux/bitops.h>
#include <linux/skbuff.h>
+#include <linux/slab.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/udp.h>
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index 5113b8f1a37..a0e8bcf0415 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/skbuff.h>
+#include <linux/slab.h>
#include <linux/ip.h>
#include <linux/udp.h>
#include <linux/icmp.h>
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index 09a5d3f7cc4..0dbe697f164 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -33,6 +33,7 @@
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/socket.h>
+#include <linux/slab.h>
#include <linux/skbuff.h>
#include <linux/kernel.h>
#include <linux/timer.h>
diff --git a/net/ipv4/netfilter/iptable_filter.c b/net/ipv4/netfilter/iptable_filter.c
index c8dc9800d62..55392466daa 100644
--- a/net/ipv4/netfilter/iptable_filter.c
+++ b/net/ipv4/netfilter/iptable_filter.c
@@ -13,6 +13,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/slab.h>
#include <net/ip.h>
MODULE_LICENSE("GPL");
diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c
index b9b83464cbf..294a2a32f29 100644
--- a/net/ipv4/netfilter/iptable_mangle.c
+++ b/net/ipv4/netfilter/iptable_mangle.c
@@ -12,6 +12,7 @@
#include <linux/netfilter_ipv4/ip_tables.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
+#include <linux/slab.h>
#include <net/sock.h>
#include <net/route.h>
#include <linux/ip.h>
diff --git a/net/ipv4/netfilter/iptable_raw.c b/net/ipv4/netfilter/iptable_raw.c
index 06fb9d11953..07fb710cd72 100644
--- a/net/ipv4/netfilter/iptable_raw.c
+++ b/net/ipv4/netfilter/iptable_raw.c
@@ -5,6 +5,7 @@
*/
#include <linux/module.h>
#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/slab.h>
#include <net/ip.h>
#define RAW_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_OUT))
diff --git a/net/ipv4/netfilter/iptable_security.c b/net/ipv4/netfilter/iptable_security.c
index cce2f64e6f2..be45bdc4c60 100644
--- a/net/ipv4/netfilter/iptable_security.c
+++ b/net/ipv4/netfilter/iptable_security.c
@@ -17,6 +17,7 @@
*/
#include <linux/module.h>
#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/slab.h>
#include <net/ip.h>
MODULE_LICENSE("GPL");
diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index 4595281c286..4f8bddb760c 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -12,6 +12,7 @@
#include <linux/types.h>
#include <linux/timer.h>
#include <linux/skbuff.h>
+#include <linux/gfp.h>
#include <net/checksum.h>
#include <net/icmp.h>
#include <net/ip.h>
diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index 4b6af4bb1f5..4a0c6b548ee 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -8,6 +8,7 @@
* published by the Free Software Foundation.
*/
#include <linux/module.h>
+#include <linux/gfp.h>
#include <linux/kmod.h>
#include <linux/types.h>
#include <linux/timer.h>
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c
index ab74cc0535e..26de2c1f7fa 100644
--- a/net/ipv4/netfilter/nf_nat_rule.c
+++ b/net/ipv4/netfilter/nf_nat_rule.c
@@ -15,6 +15,7 @@
#include <linux/kmod.h>
#include <linux/skbuff.h>
#include <linux/proc_fs.h>
+#include <linux/slab.h>
#include <net/checksum.h>
#include <net/route.h>
#include <linux/bitops.h>
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index 0b9c7ce3d6c..4d85b6e55f2 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -43,6 +43,7 @@
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/udp.h>
diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c
index 5678e9562c1..c39c9cf6bee 100644
--- a/net/ipv4/netfilter/nf_nat_standalone.c
+++ b/net/ipv4/netfilter/nf_nat_standalone.c
@@ -7,6 +7,7 @@
*/
#include <linux/types.h>
#include <linux/icmp.h>
+#include <linux/gfp.h>
#include <linux/ip.h>
#include <linux/netfilter.h>
#include <linux/netfilter_ipv4.h>
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index ce154b47f1d..cc6f097fbd5 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -60,7 +60,6 @@
#include <net/net_namespace.h>
#include <net/dst.h>
#include <net/sock.h>
-#include <linux/gfp.h>
#include <linux/ip.h>
#include <linux/net.h>
#include <net/ip.h>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a770df2493d..cb562fdd9b9 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -90,6 +90,7 @@
#include <linux/jhash.h>
#include <linux/rcupdate.h>
#include <linux/times.h>
+#include <linux/slab.h>
#include <net/dst.h>
#include <net/net_namespace.h>
#include <net/protocol.h>
@@ -1097,7 +1098,7 @@ static int slow_chain_length(const struct rtable *head)
}
static int rt_intern_hash(unsigned hash, struct rtable *rt,
- struct rtable **rp, struct sk_buff *skb)
+ struct rtable **rp, struct sk_buff *skb, int ifindex)
{
struct rtable *rth, **rthp;
unsigned long now;
@@ -1212,11 +1213,16 @@ restart:
slow_chain_length(rt_hash_table[hash].chain) > rt_chain_length_max) {
struct net *net = dev_net(rt->u.dst.dev);
int num = ++net->ipv4.current_rt_cache_rebuild_count;
- if (!rt_caching(dev_net(rt->u.dst.dev))) {
+ if (!rt_caching(net)) {
printk(KERN_WARNING "%s: %d rebuilds is over limit, route caching disabled\n",
rt->u.dst.dev->name, num);
}
- rt_emergency_hash_rebuild(dev_net(rt->u.dst.dev));
+ rt_emergency_hash_rebuild(net);
+ spin_unlock_bh(rt_hash_lock_addr(hash));
+
+ hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
+ ifindex, rt_genid(net));
+ goto restart;
}
}
@@ -1441,7 +1447,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
dev_hold(rt->u.dst.dev);
if (rt->idev)
in_dev_hold(rt->idev);
- rt->u.dst.obsolete = 0;
+ rt->u.dst.obsolete = -1;
rt->u.dst.lastuse = jiffies;
rt->u.dst.path = &rt->u.dst;
rt->u.dst.neighbour = NULL;
@@ -1477,7 +1483,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
&netevent);
rt_del(hash, rth);
- if (!rt_intern_hash(hash, rt, &rt, NULL))
+ if (!rt_intern_hash(hash, rt, &rt, NULL, rt->fl.oif))
ip_rt_put(rt);
goto do_next;
}
@@ -1506,11 +1512,12 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
struct dst_entry *ret = dst;
if (rt) {
- if (dst->obsolete) {
+ if (dst->obsolete > 0) {
ip_rt_put(rt);
ret = NULL;
} else if ((rt->rt_flags & RTCF_REDIRECTED) ||
- rt->u.dst.expires) {
+ (rt->u.dst.expires &&
+ time_after_eq(jiffies, rt->u.dst.expires))) {
unsigned hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
rt->fl.oif,
rt_genid(dev_net(dst->dev)));
@@ -1726,7 +1733,9 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
{
- return NULL;
+ if (rt_is_expired((struct rtable *)dst))
+ return NULL;
+ return dst;
}
static void ipv4_dst_destroy(struct dst_entry *dst)
@@ -1888,7 +1897,8 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
if (!rth)
goto e_nobufs;
- rth->u.dst.output= ip_rt_bug;
+ rth->u.dst.output = ip_rt_bug;
+ rth->u.dst.obsolete = -1;
atomic_set(&rth->u.dst.__refcnt, 1);
rth->u.dst.flags= DST_HOST;
@@ -1927,7 +1937,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
in_dev_put(in_dev);
hash = rt_hash(daddr, saddr, dev->ifindex, rt_genid(dev_net(dev)));
- return rt_intern_hash(hash, rth, NULL, skb);
+ return rt_intern_hash(hash, rth, NULL, skb, dev->ifindex);
e_nobufs:
in_dev_put(in_dev);
@@ -2054,6 +2064,7 @@ static int __mkroute_input(struct sk_buff *skb,
rth->fl.oif = 0;
rth->rt_spec_dst= spec_dst;
+ rth->u.dst.obsolete = -1;
rth->u.dst.input = ip_forward;
rth->u.dst.output = ip_output;
rth->rt_genid = rt_genid(dev_net(rth->u.dst.dev));
@@ -2093,7 +2104,7 @@ static int ip_mkroute_input(struct sk_buff *skb,
/* put it into the cache */
hash = rt_hash(daddr, saddr, fl->iif,
rt_genid(dev_net(rth->u.dst.dev)));
- return rt_intern_hash(hash, rth, NULL, skb);
+ return rt_intern_hash(hash, rth, NULL, skb, fl->iif);
}
/*
@@ -2218,6 +2229,7 @@ local_input:
goto e_nobufs;
rth->u.dst.output= ip_rt_bug;
+ rth->u.dst.obsolete = -1;
rth->rt_genid = rt_genid(net);
atomic_set(&rth->u.dst.__refcnt, 1);
@@ -2249,7 +2261,7 @@ local_input:
}
rth->rt_type = res.type;
hash = rt_hash(daddr, saddr, fl.iif, rt_genid(net));
- err = rt_intern_hash(hash, rth, NULL, skb);
+ err = rt_intern_hash(hash, rth, NULL, skb, fl.iif);
goto done;
no_route:
@@ -2444,6 +2456,7 @@ static int __mkroute_output(struct rtable **result,
rth->rt_spec_dst= fl->fl4_src;
rth->u.dst.output=ip_output;
+ rth->u.dst.obsolete = -1;
rth->rt_genid = rt_genid(dev_net(dev_out));
RT_CACHE_STAT_INC(out_slow_tot);
@@ -2495,7 +2508,7 @@ static int ip_mkroute_output(struct rtable **rp,
if (err == 0) {
hash = rt_hash(oldflp->fl4_dst, oldflp->fl4_src, oldflp->oif,
rt_genid(dev_net(dev_out)));
- err = rt_intern_hash(hash, rth, rp, NULL);
+ err = rt_intern_hash(hash, rth, rp, NULL, oldflp->oif);
}
return err;
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index c1bc074f61b..1cd5c15174b 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -12,6 +12,7 @@
#include <linux/inetdevice.h>
#include <linux/seqlock.h>
#include <linux/init.h>
+#include <linux/slab.h>
#include <net/snmp.h>
#include <net/icmp.h>
#include <net/ip.h>
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 5901010fad5..0f8caf64caa 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -265,6 +265,7 @@
#include <linux/err.h>
#include <linux/crypto.h>
#include <linux/time.h>
+#include <linux/slab.h>
#include <net/icmp.h>
#include <net/tcp.h>
@@ -429,7 +430,7 @@ unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
if (tp->urg_seq == tp->copied_seq &&
!sock_flag(sk, SOCK_URGINLINE) &&
tp->urg_data)
- target--;
+ target++;
/* Potential race condition. If read of tp below will
* escape above sk->sk_state, we can be illegally awaken
@@ -1254,6 +1255,39 @@ static void tcp_prequeue_process(struct sock *sk)
tp->ucopy.memory = 0;
}
+#ifdef CONFIG_NET_DMA
+static void tcp_service_net_dma(struct sock *sk, bool wait)
+{
+ dma_cookie_t done, used;
+ dma_cookie_t last_issued;
+ struct tcp_sock *tp = tcp_sk(sk);
+
+ if (!tp->ucopy.dma_chan)
+ return;
+
+ last_issued = tp->ucopy.dma_cookie;
+ dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+
+ do {
+ if (dma_async_memcpy_complete(tp->ucopy.dma_chan,
+ last_issued, &done,
+ &used) == DMA_SUCCESS) {
+ /* Safe to free early-copied skbs now */
+ __skb_queue_purge(&sk->sk_async_wait_queue);
+ break;
+ } else {
+ struct sk_buff *skb;
+ while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
+ (dma_async_is_complete(skb->dma_cookie, done,
+ used) == DMA_SUCCESS)) {
+ __skb_dequeue(&sk->sk_async_wait_queue);
+ kfree_skb(skb);
+ }
+ }
+ } while (wait);
+}
+#endif
+
static inline struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off)
{
struct sk_buff *skb;
@@ -1335,6 +1369,7 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc,
sk_eat_skb(sk, skb, 0);
if (!desc->count)
break;
+ tp->copied_seq = seq;
}
tp->copied_seq = seq;
@@ -1546,6 +1581,10 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
/* __ Set realtime policy in scheduler __ */
}
+#ifdef CONFIG_NET_DMA
+ if (tp->ucopy.dma_chan)
+ dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+#endif
if (copied >= target) {
/* Do not sleep, just process backlog. */
release_sock(sk);
@@ -1554,6 +1593,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
sk_wait_data(sk, &timeo);
#ifdef CONFIG_NET_DMA
+ tcp_service_net_dma(sk, false); /* Don't block */
tp->ucopy.wakeup = 0;
#endif
@@ -1633,6 +1673,9 @@ do_prequeue:
copied = -EFAULT;
break;
}
+
+ dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+
if ((offset + used) == skb->len)
copied_early = 1;
@@ -1702,27 +1745,9 @@ skip_copy:
}
#ifdef CONFIG_NET_DMA
- if (tp->ucopy.dma_chan) {
- dma_cookie_t done, used;
-
- dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
-
- while (dma_async_memcpy_complete(tp->ucopy.dma_chan,
- tp->ucopy.dma_cookie, &done,
- &used) == DMA_IN_PROGRESS) {
- /* do partial cleanup of sk_async_wait_queue */
- while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
- (dma_async_is_complete(skb->dma_cookie, done,
- used) == DMA_SUCCESS)) {
- __skb_dequeue(&sk->sk_async_wait_queue);
- kfree_skb(skb);
- }
- }
+ tcp_service_net_dma(sk, true); /* Wait for queue to drain */
+ tp->ucopy.dma_chan = NULL;
- /* Safe to free early-copied skbs now */
- __skb_queue_purge(&sk->sk_async_wait_queue);
- tp->ucopy.dma_chan = NULL;
- }
if (tp->ucopy.pinned_list) {
dma_unpin_iovec_pages(tp->ucopy.pinned_list);
tp->ucopy.pinned_list = NULL;
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 6428b342b16..0ec9bd0ae94 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -10,6 +10,7 @@
#include <linux/mm.h>
#include <linux/types.h>
#include <linux/list.h>
+#include <linux/gfp.h>
#include <net/tcp.h>
int sysctl_tcp_max_ssthresh = 0;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 788851ca8c5..f240f57b219 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -62,6 +62,7 @@
*/
#include <linux/mm.h>
+#include <linux/slab.h>
#include <linux/module.h>
#include <linux/sysctl.h>
#include <linux/kernel.h>
@@ -2511,6 +2512,9 @@ static void tcp_mark_head_lost(struct sock *sk, int packets)
int err;
unsigned int mss;
+ if (packets == 0)
+ return;
+
WARN_ON(packets > tp->packets_out);
if (tp->lost_skb_hint) {
skb = tp->lost_skb_hint;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 70df40980a8..3c23e70885f 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -60,6 +60,7 @@
#include <linux/jhash.h>
#include <linux/init.h>
#include <linux/times.h>
+#include <linux/slab.h>
#include <net/net_namespace.h>
#include <net/icmp.h>
@@ -370,6 +371,11 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
if (sk->sk_state == TCP_CLOSE)
goto out;
+ if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) {
+ NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
+ goto out;
+ }
+
icsk = inet_csk(sk);
tp = tcp_sk(sk);
seq = ntohl(th->seq);
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 4199bc6915c..5fabff9ac6d 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -20,6 +20,7 @@
#include <linux/mm.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/sysctl.h>
#include <linux/workqueue.h>
#include <net/tcp.h>
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index f181b78f238..0dda86e72ad 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -37,6 +37,7 @@
#include <net/tcp.h>
#include <linux/compiler.h>
+#include <linux/gfp.h>
#include <linux/module.h>
/* People can turn this off for buggy TCP's found in printers etc. */
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index 9bc805df95d..f8efada580e 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -22,6 +22,7 @@
#include <linux/kprobes.h>
#include <linux/socket.h>
#include <linux/tcp.h>
+#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <linux/module.h>
#include <linux/ktime.h>
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index b2e6bbccaee..8a0ab2977f1 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -19,6 +19,7 @@
*/
#include <linux/module.h>
+#include <linux/gfp.h>
#include <net/tcp.h>
int sysctl_tcp_syn_retries __read_mostly = TCP_SYN_RETRIES;
diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c
index 3959e0ca456..3b3813cc80b 100644
--- a/net/ipv4/tunnel4.c
+++ b/net/ipv4/tunnel4.c
@@ -8,6 +8,7 @@
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
+#include <linux/slab.h>
#include <net/icmp.h>
#include <net/ip.h>
#include <net/protocol.h>
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 7af756d0f93..954bbfb39df 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -95,6 +95,7 @@
#include <linux/mm.h>
#include <linux/inet.h>
#include <linux/netdevice.h>
+#include <linux/slab.h>
#include <net/tcp_states.h>
#include <linux/skbuff.h>
#include <linux/proc_fs.h>
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index f9f922a0ba8..c791bb63203 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -9,6 +9,7 @@
*
*/
+#include <linux/slab.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/netfilter.h>
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index 3444f3b34ec..6f368413eb0 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -4,6 +4,7 @@
* Copyright (c) 2004-2006 Herbert Xu <herbert@gondor.apana.org.au>
*/
+#include <linux/gfp.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>