diff --git a/Documentation/networking/nf_flowtable.txt b/Documentation/networking/nf_flowtable.txt
index 54128c50d508ef27e5c6f2026fc5dddd0df47ead..ca2136c76042c4ded1aa1608ea38f405e04772da 100644
--- a/Documentation/networking/nf_flowtable.txt
+++ b/Documentation/networking/nf_flowtable.txt
@@ -44,10 +44,10 @@ including the Netfilter hooks and the flowtable fastpath bypass.
/ \ / \ |Routing | / \
--> ingress ---> prerouting ---> |decision| | postrouting |--> neigh_xmit
\_________/ \__________/ ---------- \____________/ ^
- | ^ | | ^ |
- flowtable | | ____\/___ | |
- | | | / \ | |
- __\/___ | --------->| forward |------------ |
+ | ^ | ^ |
+ flowtable | ____\/___ | |
+ | | / \ | |
+ __\/___ | | forward |------------ |
|-----| | \_________/ |
|-----| | 'flow offload' rule |
|-----| | adds entry to |
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index 9d34de68571be8969ee7a57d9f2eb680777b1cea..22afa566cbce9cd6d58abe3ead14ffd7199fd18d 100644
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -502,6 +502,7 @@ static unsigned int br_nf_pre_routing(void *priv,
nf_bridge->ipv4_daddr = ip_hdr(skb)->daddr;
skb->protocol = htons(ETH_P_IP);
+ skb->transport_header = skb->network_header + ip_hdr(skb)->ihl * 4;
NF_HOOK(NFPROTO_IPV4, NF_INET_PRE_ROUTING, state->net, state->sk, skb,
skb->dev, NULL,
diff --git a/net/bridge/br_netfilter_ipv6.c b/net/bridge/br_netfilter_ipv6.c
index 564710f88f938cb314f2f59177289ecb127454f4..e88d6641647bab45397f5206737b367ea60cb9b0 100644
--- a/net/bridge/br_netfilter_ipv6.c
+++ b/net/bridge/br_netfilter_ipv6.c
@@ -235,6 +235,8 @@ unsigned int br_nf_pre_routing_ipv6(void *priv,
nf_bridge->ipv6_daddr = ipv6_hdr(skb)->daddr;
skb->protocol = htons(ETH_P_IPV6);
+ skb->transport_header = skb->network_header + sizeof(struct ipv6hdr);
+
NF_HOOK(NFPROTO_IPV6, NF_INET_PRE_ROUTING, state->net, state->sk, skb,
skb->dev, NULL,
br_nf_pre_routing_finish_ipv6);
diff --git a/net/ipv6/netfilter/ip6t_srh.c b/net/ipv6/netfilter/ip6t_srh.c
index 1059894a6f4c3f009a92b30fb257e6b35f3a4a26..4cb83fb69844354d6d5d6ad18d552060e9e28b84 100644
--- a/net/ipv6/netfilter/ip6t_srh.c
+++ b/net/ipv6/netfilter/ip6t_srh.c
@@ -210,6 +210,8 @@ static bool srh1_mt6(const struct sk_buff *skb, struct xt_action_param *par)
psidoff = srhoff + sizeof(struct ipv6_sr_hdr) +
((srh->segments_left + 1) * sizeof(struct in6_addr));
psid = skb_header_pointer(skb, psidoff, sizeof(_psid), &_psid);
+ if (!psid)
+ return false;
if (NF_SRH_INVF(srhinfo, IP6T_SRH_INV_PSID,
ipv6_masked_addr_cmp(psid, &srhinfo->psid_msk,
&srhinfo->psid_addr)))
@@ -223,6 +225,8 @@ static bool srh1_mt6(const struct sk_buff *skb, struct xt_action_param *par)
nsidoff = srhoff + sizeof(struct ipv6_sr_hdr) +
((srh->segments_left - 1) * sizeof(struct in6_addr));
nsid = skb_header_pointer(skb, nsidoff, sizeof(_nsid), &_nsid);
+ if (!nsid)
+ return false;
if (NF_SRH_INVF(srhinfo, IP6T_SRH_INV_NSID,
ipv6_masked_addr_cmp(nsid, &srhinfo->nsid_msk,
&srhinfo->nsid_addr)))
@@ -233,6 +237,8 @@ static bool srh1_mt6(const struct sk_buff *skb, struct xt_action_param *par)
if (srhinfo->mt_flags & IP6T_SRH_LSID) {
lsidoff = srhoff + sizeof(struct ipv6_sr_hdr);
lsid = skb_header_pointer(skb, lsidoff, sizeof(_lsid), &_lsid);
+ if (!lsid)
+ return false;
if (NF_SRH_INVF(srhinfo, IP6T_SRH_INV_LSID,
ipv6_masked_addr_cmp(lsid, &srhinfo->lsid_msk,
&srhinfo->lsid_addr)))
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index d43ffb09939bd3641b213b826a3e0229bcdbb550..6548271209a05c2fce99628c9b23d2cedbf8a087 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -1007,6 +1007,7 @@ config NETFILTER_XT_TARGET_TEE
depends on NETFILTER_ADVANCED
depends on IPV6 || IPV6=n
depends on !NF_CONNTRACK || NF_CONNTRACK
+ depends on IP6_NF_IPTABLES || !IP6_NF_IPTABLES
select NF_DUP_IPV4
select NF_DUP_IPV6 if IP6_NF_IPTABLES
---help---
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index f067c6b508572a9ab31bc4b3b6281e1482ffdc6d..39fcc1ed18f3501b3120fc9aeffbe44e27fda933 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -20,9 +20,9 @@
#include <linux/udp.h>
#include <linux/tcp.h>
#include <linux/netfilter.h>
+#include <linux/netfilter_ipv4.h>
+#include <linux/netfilter_ipv6.h>
-#include <net/route.h>
-#include <net/ip6_route.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_core.h>
#include <net/netfilter/nf_conntrack_expect.h>
@@ -871,38 +871,33 @@ static int set_expected_rtp_rtcp(struct sk_buff *skb, unsigned int protoff,
} else if (sip_external_media) {
struct net_device *dev = skb_dst(skb)->dev;
struct net *net = dev_net(dev);
- struct rtable *rt;
- struct flowi4 fl4 = {};
-#if IS_ENABLED(CONFIG_IPV6)
- struct flowi6 fl6 = {};
-#endif
+ struct flowi fl;
struct dst_entry *dst = NULL;
+ memset(&fl, 0, sizeof(fl));
+
switch (nf_ct_l3num(ct)) {
case NFPROTO_IPV4:
- fl4.daddr = daddr->ip;
- rt = ip_route_output_key(net, &fl4);
- if (!IS_ERR(rt))
- dst = &rt->dst;
+ fl.u.ip4.daddr = daddr->ip;
+ nf_ip_route(net, &dst, &fl, false);
break;
-#if IS_ENABLED(CONFIG_IPV6)
case NFPROTO_IPV6:
- fl6.daddr = daddr->in6;
- dst = ip6_route_output(net, NULL, &fl6);
- if (dst->error) {
- dst_release(dst);
- dst = NULL;
- }
+ fl.u.ip6.daddr = daddr->in6;
+ nf_ip6_route(net, &dst, &fl, false);
break;
-#endif
}
/* Don't predict any conntracks when media endpoint is reachable
* through the same interface as the signalling peer.
*/
- if (dst && dst->dev == dev)
- return NF_ACCEPT;
+ if (dst) {
+ bool external_media = (dst->dev == dev);
+
+ dst_release(dst);
+ if (external_media)
+ return NF_ACCEPT;
+ }
}
/* We need to check whether the registration exists before attempting
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 513f931186043f2ded3f1844374decd79768c44b..ef7772e976cc802afc64ea25d28f1fbecde773be 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2806,8 +2806,11 @@ static int nf_tables_newrule(struct net *net, struct sock *nlsk,
nf_tables_rule_release(&ctx, rule);
err1:
for (i = 0; i < n; i++) {
- if (info[i].ops != NULL)
+ if (info[i].ops) {
module_put(info[i].ops->type->owner);
+ if (info[i].ops->type->release_ops)
+ info[i].ops->type->release_ops(info[i].ops);
+ }
}
kvfree(info);
return err;
diff --git a/net/netfilter/nft_objref.c b/net/netfilter/nft_objref.c
index 457a9ceb46af2061546da95f46d05c3578c1826a..8dfa798ea68330645c1dea590d05e98539ca2aa7 100644
--- a/net/netfilter/nft_objref.c
+++ b/net/netfilter/nft_objref.c
@@ -65,21 +65,34 @@ static int nft_objref_dump(struct sk_buff *skb, const struct nft_expr *expr)
return -1;
}
-static void nft_objref_destroy(const struct nft_ctx *ctx,
- const struct nft_expr *expr)
+static void nft_objref_deactivate(const struct nft_ctx *ctx,
+ const struct nft_expr *expr,
+ enum nft_trans_phase phase)
{
struct nft_object *obj = nft_objref_priv(expr);
+ if (phase == NFT_TRANS_COMMIT)
+ return;
+
obj->use--;
}
+static void nft_objref_activate(const struct nft_ctx *ctx,
+ const struct nft_expr *expr)
+{
+ struct nft_object *obj = nft_objref_priv(expr);
+
+ obj->use++;
+}
+
static struct nft_expr_type nft_objref_type;
static const struct nft_expr_ops nft_objref_ops = {
.type = &nft_objref_type,
.size = NFT_EXPR_SIZE(sizeof(struct nft_object *)),
.eval = nft_objref_eval,
.init = nft_objref_init,
- .destroy = nft_objref_destroy,
+ .activate = nft_objref_activate,
+ .deactivate = nft_objref_deactivate,
.dump = nft_objref_dump,
};
diff --git a/net/netfilter/nft_redir.c b/net/netfilter/nft_redir.c
index f8092926f704add7a7cc6843b89d9a509a5db046..a340cd8a751b483766e4ed7274ce0fb2c2b193e2 100644
--- a/net/netfilter/nft_redir.c
+++ b/net/netfilter/nft_redir.c
@@ -233,5 +233,5 @@ module_exit(nft_redir_module_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Arturo Borrero Gonzalez <arturo@debian.org>");
-MODULE_ALIAS_NFT_AF_EXPR(AF_INET4, "redir");
+MODULE_ALIAS_NFT_AF_EXPR(AF_INET, "redir");
MODULE_ALIAS_NFT_AF_EXPR(AF_INET6, "redir");
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index fa61208371f8b222ceb43388773f5c19c691d764..321a0036fdf5b95cc8d356b63ad47fc76826498e 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -308,10 +308,6 @@ static void *nft_rbtree_deactivate(const struct net *net,
else if (d > 0)
parent = parent->rb_right;
else {
- if (!nft_set_elem_active(&rbe->ext, genmask)) {
- parent = parent->rb_left;
- continue;
- }
if (nft_rbtree_interval_end(rbe) &&
!nft_rbtree_interval_end(this)) {
parent = parent->rb_left;
@@ -320,6 +316,9 @@ static void *nft_rbtree_deactivate(const struct net *net,
nft_rbtree_interval_end(this)) {
parent = parent->rb_right;
continue;
+ } else if (!nft_set_elem_active(&rbe->ext, genmask)) {
+ parent = parent->rb_left;
+ continue;
}
nft_rbtree_flush(net, set, rbe);
return rbe;