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-rw-r--r--net/8021q/vlan.c3
-rw-r--r--net/8021q/vlan_dev.c3
-rw-r--r--net/bridge/netfilter/ebtables.c64
-rw-r--r--net/core/dev.c10
-rw-r--r--net/dccp/options.c2
-rw-r--r--net/ipv4/ip_fragment.c31
-rw-r--r--net/ipv4/tcp_cubic.c9
-rw-r--r--net/ipv4/xfrm4_output.c8
-rw-r--r--net/ipv4/xfrm4_state.c1
-rw-r--r--net/ipv6/netfilter/ip6t_REJECT.c4
-rw-r--r--net/ipv6/xfrm6_output.c6
-rw-r--r--net/ipv6/xfrm6_state.c1
-rw-r--r--net/netfilter/ipvs/ip_vs_app.c15
-rw-r--r--net/netfilter/ipvs/ip_vs_conn.c12
-rw-r--r--net/netfilter/ipvs/ip_vs_core.c103
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c120
-rw-r--r--net/netfilter/ipvs/ip_vs_est.c14
-rw-r--r--net/netfilter/ipvs/ip_vs_proto.c11
-rw-r--r--net/netfilter/ipvs/ip_vs_sync.c65
-rw-r--r--net/netfilter/nf_conntrack_netlink.c4
-rw-r--r--net/netfilter/x_tables.c4
-rw-r--r--net/netfilter/xt_DSCP.c2
-rw-r--r--net/netfilter/xt_conntrack.c5
-rw-r--r--net/xfrm/xfrm_policy.c14
-rw-r--r--net/xfrm/xfrm_replay.c3
25 files changed, 322 insertions, 192 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 7850412f52b..0eb1a886b37 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -124,6 +124,9 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
grp->nr_vlans--;
+ if (vlan->flags & VLAN_FLAG_GVRP)
+ vlan_gvrp_request_leave(dev);
+
vlan_group_set_device(grp, vlan_id, NULL);
if (!grp->killall)
synchronize_net();
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index e34ea9e5e28..b2ff6c8d360 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -487,9 +487,6 @@ static int vlan_dev_stop(struct net_device *dev)
struct vlan_dev_info *vlan = vlan_dev_info(dev);
struct net_device *real_dev = vlan->real_dev;
- if (vlan->flags & VLAN_FLAG_GVRP)
- vlan_gvrp_request_leave(dev);
-
dev_mc_unsync(real_dev, dev);
dev_uc_unsync(real_dev, dev);
if (dev->flags & IFF_ALLMULTI)
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 893669caa8d..1a92b369c82 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1766,7 +1766,7 @@ static int compat_table_info(const struct ebt_table_info *info,
newinfo->entries_size = size;
- xt_compat_init_offsets(AF_INET, info->nentries);
+ xt_compat_init_offsets(NFPROTO_BRIDGE, info->nentries);
return EBT_ENTRY_ITERATE(entries, size, compat_calc_entry, info,
entries, newinfo);
}
@@ -1882,7 +1882,7 @@ static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt,
struct xt_match *match;
struct xt_target *wt;
void *dst = NULL;
- int off, pad = 0, ret = 0;
+ int off, pad = 0;
unsigned int size_kern, entry_offset, match_size = mwt->match_size;
strlcpy(name, mwt->u.name, sizeof(name));
@@ -1935,13 +1935,6 @@ static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt,
break;
}
- if (!dst) {
- ret = xt_compat_add_offset(NFPROTO_BRIDGE, entry_offset,
- off + ebt_compat_entry_padsize());
- if (ret < 0)
- return ret;
- }
-
state->buf_kern_offset += match_size + off;
state->buf_user_offset += match_size;
pad = XT_ALIGN(size_kern) - size_kern;
@@ -2016,50 +2009,6 @@ static int ebt_size_mwt(struct compat_ebt_entry_mwt *match32,
return growth;
}
-#define EBT_COMPAT_WATCHER_ITERATE(e, fn, args...) \
-({ \
- unsigned int __i; \
- int __ret = 0; \
- struct compat_ebt_entry_mwt *__watcher; \
- \
- for (__i = e->watchers_offset; \
- __i < (e)->target_offset; \
- __i += __watcher->watcher_size + \
- sizeof(struct compat_ebt_entry_mwt)) { \
- __watcher = (void *)(e) + __i; \
- __ret = fn(__watcher , ## args); \
- if (__ret != 0) \
- break; \
- } \
- if (__ret == 0) { \
- if (__i != (e)->target_offset) \
- __ret = -EINVAL; \
- } \
- __ret; \
-})
-
-#define EBT_COMPAT_MATCH_ITERATE(e, fn, args...) \
-({ \
- unsigned int __i; \
- int __ret = 0; \
- struct compat_ebt_entry_mwt *__match; \
- \
- for (__i = sizeof(struct ebt_entry); \
- __i < (e)->watchers_offset; \
- __i += __match->match_size + \
- sizeof(struct compat_ebt_entry_mwt)) { \
- __match = (void *)(e) + __i; \
- __ret = fn(__match , ## args); \
- if (__ret != 0) \
- break; \
- } \
- if (__ret == 0) { \
- if (__i != (e)->watchers_offset) \
- __ret = -EINVAL; \
- } \
- __ret; \
-})
-
/* called for all ebt_entry structures. */
static int size_entry_mwt(struct ebt_entry *entry, const unsigned char *base,
unsigned int *total,
@@ -2132,6 +2081,14 @@ static int size_entry_mwt(struct ebt_entry *entry, const unsigned char *base,
}
}
+ if (state->buf_kern_start == NULL) {
+ unsigned int offset = buf_start - (char *) base;
+
+ ret = xt_compat_add_offset(NFPROTO_BRIDGE, offset, new_offset);
+ if (ret < 0)
+ return ret;
+ }
+
startoff = state->buf_user_offset - startoff;
BUG_ON(*total < startoff);
@@ -2240,6 +2197,7 @@ static int compat_do_replace(struct net *net, void __user *user,
xt_compat_lock(NFPROTO_BRIDGE);
+ xt_compat_init_offsets(NFPROTO_BRIDGE, tmp.nentries);
ret = compat_copy_entries(entries_tmp, tmp.entries_size, &state);
if (ret < 0)
goto out_unlock;
diff --git a/net/core/dev.c b/net/core/dev.c
index 856b6ee9a1d..92009440d28 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1284,11 +1284,13 @@ static int dev_close_many(struct list_head *head)
*/
int dev_close(struct net_device *dev)
{
- LIST_HEAD(single);
+ if (dev->flags & IFF_UP) {
+ LIST_HEAD(single);
- list_add(&dev->unreg_list, &single);
- dev_close_many(&single);
- list_del(&single);
+ list_add(&dev->unreg_list, &single);
+ dev_close_many(&single);
+ list_del(&single);
+ }
return 0;
}
EXPORT_SYMBOL(dev_close);
diff --git a/net/dccp/options.c b/net/dccp/options.c
index f06ffcfc8d7..4b2ab657ac8 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -123,6 +123,8 @@ int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq,
case DCCPO_CHANGE_L ... DCCPO_CONFIRM_R:
if (pkt_type == DCCP_PKT_DATA) /* RFC 4340, 6 */
break;
+ if (len == 0)
+ goto out_invalid_option;
rc = dccp_feat_parse_options(sk, dreq, mandatory, opt,
*value, value + 1, len - 1);
if (rc)
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index a1151b8adf3..b1d282f11be 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -223,31 +223,30 @@ static void ip_expire(unsigned long arg)
if ((qp->q.last_in & INET_FRAG_FIRST_IN) && qp->q.fragments != NULL) {
struct sk_buff *head = qp->q.fragments;
+ const struct iphdr *iph;
+ int err;
rcu_read_lock();
head->dev = dev_get_by_index_rcu(net, qp->iif);
if (!head->dev)
goto out_rcu_unlock;
+ /* skb dst is stale, drop it, and perform route lookup again */
+ skb_dst_drop(head);
+ iph = ip_hdr(head);
+ err = ip_route_input_noref(head, iph->daddr, iph->saddr,
+ iph->tos, head->dev);
+ if (err)
+ goto out_rcu_unlock;
+
/*
- * Only search router table for the head fragment,
- * when defraging timeout at PRE_ROUTING HOOK.
+ * Only an end host needs to send an ICMP
+ * "Fragment Reassembly Timeout" message, per RFC792.
*/
- if (qp->user == IP_DEFRAG_CONNTRACK_IN && !skb_dst(head)) {
- const struct iphdr *iph = ip_hdr(head);
- int err = ip_route_input(head, iph->daddr, iph->saddr,
- iph->tos, head->dev);
- if (unlikely(err))
- goto out_rcu_unlock;
-
- /*
- * Only an end host needs to send an ICMP
- * "Fragment Reassembly Timeout" message, per RFC792.
- */
- if (skb_rtable(head)->rt_type != RTN_LOCAL)
- goto out_rcu_unlock;
+ if (qp->user == IP_DEFRAG_CONNTRACK_IN &&
+ skb_rtable(head)->rt_type != RTN_LOCAL)
+ goto out_rcu_unlock;
- }
/* Send an ICMP "Fragment Reassembly Timeout" message. */
icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0);
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index 34340c9c95f..f376b05cca8 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -93,6 +93,7 @@ struct bictcp {
u32 ack_cnt; /* number of acks */
u32 tcp_cwnd; /* estimated tcp cwnd */
#define ACK_RATIO_SHIFT 4
+#define ACK_RATIO_LIMIT (32u << ACK_RATIO_SHIFT)
u16 delayed_ack; /* estimate the ratio of Packets/ACKs << 4 */
u8 sample_cnt; /* number of samples to decide curr_rtt */
u8 found; /* the exit point is found? */
@@ -398,8 +399,12 @@ static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt_us)
u32 delay;
if (icsk->icsk_ca_state == TCP_CA_Open) {
- cnt -= ca->delayed_ack >> ACK_RATIO_SHIFT;
- ca->delayed_ack += cnt;
+ u32 ratio = ca->delayed_ack;
+
+ ratio -= ca->delayed_ack >> ACK_RATIO_SHIFT;
+ ratio += cnt;
+
+ ca->delayed_ack = min(ratio, ACK_RATIO_LIMIT);
}
/* Some calls are for duplicates without timetamps */
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 571aa96a175..2d51840e53a 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -69,7 +69,7 @@ int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb)
}
EXPORT_SYMBOL(xfrm4_prepare_output);
-static int xfrm4_output_finish(struct sk_buff *skb)
+int xfrm4_output_finish(struct sk_buff *skb)
{
#ifdef CONFIG_NETFILTER
if (!skb_dst(skb)->xfrm) {
@@ -86,7 +86,11 @@ static int xfrm4_output_finish(struct sk_buff *skb)
int xfrm4_output(struct sk_buff *skb)
{
+ struct dst_entry *dst = skb_dst(skb);
+ struct xfrm_state *x = dst->xfrm;
+
return NF_HOOK_COND(NFPROTO_IPV4, NF_INET_POST_ROUTING, skb,
- NULL, skb_dst(skb)->dev, xfrm4_output_finish,
+ NULL, dst->dev,
+ x->outer_mode->afinfo->output_finish,
!(IPCB(skb)->flags & IPSKB_REROUTED));
}
diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c
index 1717c64628d..805d63ef434 100644
--- a/net/ipv4/xfrm4_state.c
+++ b/net/ipv4/xfrm4_state.c
@@ -78,6 +78,7 @@ static struct xfrm_state_afinfo xfrm4_state_afinfo = {
.init_tempsel = __xfrm4_init_tempsel,
.init_temprop = xfrm4_init_temprop,
.output = xfrm4_output,
+ .output_finish = xfrm4_output_finish,
.extract_input = xfrm4_extract_input,
.extract_output = xfrm4_extract_output,
.transport_finish = xfrm4_transport_finish,
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index 28e74488a32..a5a4c5dd539 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -45,6 +45,8 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
int tcphoff, needs_ack;
const struct ipv6hdr *oip6h = ipv6_hdr(oldskb);
struct ipv6hdr *ip6h;
+#define DEFAULT_TOS_VALUE 0x0U
+ const __u8 tclass = DEFAULT_TOS_VALUE;
struct dst_entry *dst = NULL;
u8 proto;
struct flowi6 fl6;
@@ -124,7 +126,7 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
skb_put(nskb, sizeof(struct ipv6hdr));
skb_reset_network_header(nskb);
ip6h = ipv6_hdr(nskb);
- ip6h->version = 6;
+ *(__be32 *)ip6h = htonl(0x60000000 | (tclass << 20));
ip6h->hop_limit = ip6_dst_hoplimit(dst);
ip6h->nexthdr = IPPROTO_TCP;
ipv6_addr_copy(&ip6h->saddr, &oip6h->daddr);
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index 8e688b3de9a..49a91c5f562 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -79,7 +79,7 @@ int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb)
}
EXPORT_SYMBOL(xfrm6_prepare_output);
-static int xfrm6_output_finish(struct sk_buff *skb)
+int xfrm6_output_finish(struct sk_buff *skb)
{
#ifdef CONFIG_NETFILTER
IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
@@ -97,9 +97,9 @@ static int __xfrm6_output(struct sk_buff *skb)
if ((x && x->props.mode == XFRM_MODE_TUNNEL) &&
((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) ||
dst_allfrag(skb_dst(skb)))) {
- return ip6_fragment(skb, xfrm6_output_finish);
+ return ip6_fragment(skb, x->outer_mode->afinfo->output_finish);
}
- return xfrm6_output_finish(skb);
+ return x->outer_mode->afinfo->output_finish(skb);
}
int xfrm6_output(struct sk_buff *skb)
diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c
index afe941e9415..248f0b2a7ee 100644
--- a/net/ipv6/xfrm6_state.c
+++ b/net/ipv6/xfrm6_state.c
@@ -178,6 +178,7 @@ static struct xfrm_state_afinfo xfrm6_state_afinfo = {
.tmpl_sort = __xfrm6_tmpl_sort,
.state_sort = __xfrm6_state_sort,
.output = xfrm6_output,
+ .output_finish = xfrm6_output_finish,
.extract_input = xfrm6_extract_input,
.extract_output = xfrm6_extract_output,
.transport_finish = xfrm6_transport_finish,
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index 2dc6de13ac1..51f3af7c474 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -576,7 +576,7 @@ static const struct file_operations ip_vs_app_fops = {
};
#endif
-static int __net_init __ip_vs_app_init(struct net *net)
+int __net_init __ip_vs_app_init(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
@@ -585,26 +585,17 @@ static int __net_init __ip_vs_app_init(struct net *net)
return 0;
}
-static void __net_exit __ip_vs_app_cleanup(struct net *net)
+void __net_exit __ip_vs_app_cleanup(struct net *net)
{
proc_net_remove(net, "ip_vs_app");
}
-static struct pernet_operations ip_vs_app_ops = {
- .init = __ip_vs_app_init,
- .exit = __ip_vs_app_cleanup,
-};
-
int __init ip_vs_app_init(void)
{
- int rv;
-
- rv = register_pernet_subsys(&ip_vs_app_ops);
- return rv;
+ return 0;
}
void ip_vs_app_cleanup(void)
{
- unregister_pernet_subsys(&ip_vs_app_ops);
}
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index c97bd45975b..d3fd91bbba4 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1258,22 +1258,17 @@ int __net_init __ip_vs_conn_init(struct net *net)
return 0;
}
-static void __net_exit __ip_vs_conn_cleanup(struct net *net)
+void __net_exit __ip_vs_conn_cleanup(struct net *net)
{
/* flush all the connection entries first */
ip_vs_conn_flush(net);
proc_net_remove(net, "ip_vs_conn");
proc_net_remove(net, "ip_vs_conn_sync");
}
-static struct pernet_operations ipvs_conn_ops = {
- .init = __ip_vs_conn_init,
- .exit = __ip_vs_conn_cleanup,
-};
int __init ip_vs_conn_init(void)
{
int idx;
- int retc;
/* Compute size and mask */
ip_vs_conn_tab_size = 1 << ip_vs_conn_tab_bits;
@@ -1309,17 +1304,14 @@ int __init ip_vs_conn_init(void)
rwlock_init(&__ip_vs_conntbl_lock_array[idx].l);
}
- retc = register_pernet_subsys(&ipvs_conn_ops);
-
/* calculate the random value for connection hash */
get_random_bytes(&ip_vs_conn_rnd, sizeof(ip_vs_conn_rnd));
- return retc;
+ return 0;
}
void ip_vs_conn_cleanup(void)
{
- unregister_pernet_subsys(&ipvs_conn_ops);
/* Release the empty cache */
kmem_cache_destroy(ip_vs_conn_cachep);
vfree(ip_vs_conn_tab);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 07accf6b240..a74dae6c5db 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1113,6 +1113,9 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
return NF_ACCEPT;
net = skb_net(skb);
+ if (!net_ipvs(net)->enable)
+ return NF_ACCEPT;
+
ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
#ifdef CONFIG_IP_VS_IPV6
if (af == AF_INET6) {
@@ -1343,6 +1346,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
return NF_ACCEPT; /* The packet looks wrong, ignore */
net = skb_net(skb);
+
pd = ip_vs_proto_data_get(net, cih->protocol);
if (!pd)
return NF_ACCEPT;
@@ -1529,6 +1533,11 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
IP_VS_DBG_ADDR(af, &iph.daddr), hooknum);
return NF_ACCEPT;
}
+ /* ipvs enabled in this netns ? */
+ net = skb_net(skb);
+ if (!net_ipvs(net)->enable)
+ return NF_ACCEPT;
+
ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
/* Bad... Do not break raw sockets */
@@ -1562,7 +1571,6 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
}
- net = skb_net(skb);
/* Protocol supported? */
pd = ip_vs_proto_data_get(net, iph.protocol);
if (unlikely(!pd))
@@ -1588,7 +1596,6 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
}
IP_VS_DBG_PKT(11, af, pp, skb, 0, "Incoming packet");
- net = skb_net(skb);
ipvs = net_ipvs(net);
/* Check the server status */
if (cp->dest && !(cp->dest->flags & IP_VS_DEST_F_AVAILABLE)) {
@@ -1743,10 +1750,16 @@ ip_vs_forward_icmp(unsigned int hooknum, struct sk_buff *skb,
int (*okfn)(struct sk_buff *))
{
int r;
+ struct net *net;
if (ip_hdr(skb)->protocol != IPPROTO_ICMP)
return NF_ACCEPT;
+ /* ipvs enabled in this netns ? */
+ net = skb_net(skb);
+ if (!net_ipvs(net)->enable)
+ return NF_ACCEPT;
+
return ip_vs_in_icmp(skb, &r, hooknum);
}
@@ -1757,10 +1770,16 @@ ip_vs_forward_icmp_v6(unsigned int hooknum, struct sk_buff *skb,
int (*okfn)(struct sk_buff *))
{
int r;
+ struct net *net;
if (ipv6_hdr(skb)->nexthdr != IPPROTO_ICMPV6)
return NF_ACCEPT;
+ /* ipvs enabled in this netns ? */
+ net = skb_net(skb);
+ if (!net_ipvs(net)->enable)
+ return NF_ACCEPT;
+
return ip_vs_in_icmp_v6(skb, &r, hooknum);
}
#endif
@@ -1884,19 +1903,70 @@ static int __net_init __ip_vs_init(struct net *net)
pr_err("%s(): no memory.\n", __func__);
return -ENOMEM;
}
+ /* Hold the beast until a service is registerd */
+ ipvs->enable = 0;
ipvs->net = net;
/* Counters used for creating unique names */
ipvs->gen = atomic_read(&ipvs_netns_cnt);
atomic_inc(&ipvs_netns_cnt);
net->ipvs = ipvs;
+
+ if (__ip_vs_estimator_init(net) < 0)
+ goto estimator_fail;
+
+ if (__ip_vs_control_init(net) < 0)
+ goto control_fail;
+
+ if (__ip_vs_protocol_init(net) < 0)
+ goto protocol_fail;
+
+ if (__ip_vs_app_init(net) < 0)
+ goto app_fail;
+
+ if (__ip_vs_conn_init(net) < 0)
+ goto conn_fail;
+
+ if (__ip_vs_sync_init(net) < 0)
+ goto sync_fail;
+
printk(KERN_INFO "IPVS: Creating netns size=%zu id=%d\n",
sizeof(struct netns_ipvs), ipvs->gen);
return 0;
+/*
+ * Error handling
+ */
+
+sync_fail:
+ __ip_vs_conn_cleanup(net);
+conn_fail:
+ __ip_vs_app_cleanup(net);
+app_fail:
+ __ip_vs_protocol_cleanup(net);
+protocol_fail:
+ __ip_vs_control_cleanup(net);
+control_fail:
+ __ip_vs_estimator_cleanup(net);
+estimator_fail:
+ return -ENOMEM;
}
static void __net_exit __ip_vs_cleanup(struct net *net)
{
- IP_VS_DBG(10, "ipvs netns %d released\n", net_ipvs(net)->gen);
+ __ip_vs_service_cleanup(net); /* ip_vs_flush() with locks */
+ __ip_vs_conn_cleanup(net);
+ __ip_vs_app_cleanup(net);
+ __ip_vs_protocol_cleanup(net);
+ __ip_vs_control_cleanup(net);
+ __ip_vs_estimator_cleanup(net);
+ IP_VS_DBG(2, "ipvs netns %d released\n", net_ipvs(net)->gen);
+}
+
+static void __net_exit __ip_vs_dev_cleanup(struct net *net)
+{
+ EnterFunction(2);
+ net_ipvs(net)->enable = 0; /* Disable packet reception */
+ __ip_vs_sync_cleanup(net);
+ LeaveFunction(2);
}
static struct pernet_operations ipvs_core_ops = {
@@ -1906,6 +1976,10 @@ static struct pernet_operations ipvs_core_ops = {
.size = sizeof(struct netns_ipvs),
};
+static struct pernet_operations ipvs_core_dev_ops = {
+ .exit = __ip_vs_dev_cleanup,
+};
+
/*
* Initialize IP Virtual Server
*/
@@ -1913,10 +1987,6 @@ static int __init ip_vs_init(void)
{
int ret;
- ret = register_pernet_subsys(&ipvs_core_ops); /* Alloc ip_vs struct */
- if (ret < 0)
- return ret;
-
ip_vs_estimator_init();
ret = ip_vs_control_init();
if (ret < 0) {
@@ -1944,15 +2014,28 @@ static int __init ip_vs_init(void)
goto cleanup_conn;
}
+ ret = register_pernet_subsys(&ipvs_core_ops); /* Alloc ip_vs struct */
+ if (ret < 0)
+ goto cleanup_sync;
+
+ ret = register_pernet_device(&ipvs_core_dev_ops);
+ if (ret < 0)
+ goto cleanup_sub;
+
ret = nf_register_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
if (ret < 0) {
pr_err("can't register hooks.\n");
- goto cleanup_sync;
+ goto cleanup_dev;
}
pr_info("ipvs loaded.\n");
+
return ret;
+cleanup_dev:
+ unregister_pernet_device(&ipvs_core_dev_ops);
+cleanup_sub:
+ unregister_pernet_subsys(&ipvs_core_ops);
cleanup_sync:
ip_vs_sync_cleanup();
cleanup_conn:
@@ -1964,20 +2047,20 @@ cleanup_sync:
ip_vs_control_cleanup();
cleanup_estimator:
ip_vs_estimator_cleanup();
- unregister_pernet_subsys(&ipvs_core_ops); /* free ip_vs struct */
return ret;
}
static void __exit ip_vs_cleanup(void)
{
nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
+ unregister_pernet_device(&ipvs_core_dev_ops);
+ unregister_pernet_subsys(&ipvs_core_ops); /* free ip_vs struct */
ip_vs_sync_cleanup();
ip_vs_conn_cleanup();
ip_vs_app_cleanup();
ip_vs_protocol_cleanup();
ip_vs_control_cleanup();
ip_vs_estimator_cleanup();
- unregister_pernet_subsys(&ipvs_core_ops); /* free ip_vs struct */
pr_info("ipvs unloaded.\n");
}
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index ae47090bf45..ea722810faf 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -69,6 +69,11 @@ int ip_vs_get_debug_level(void)
}
#endif
+
+/* Protos */
+static void __ip_vs_del_service(struct ip_vs_service *svc);
+
+
#ifdef CONFIG_IP_VS_IPV6
/* Taken from rt6_fill_node() in net/ipv6/route.c, is there a better way? */
static int __ip_vs_addr_is_local_v6(struct net *net,
@@ -1214,6 +1219,8 @@ ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u,
write_unlock_bh(&__ip_vs_svc_lock);
*svc_p = svc;
+ /* Now there is a service - full throttle */
+ ipvs->enable = 1;
return 0;
@@ -1472,6 +1479,84 @@ static int ip_vs_flush(struct net *net)
return 0;
}
+/*
+ * Delete service by {netns} in the service table.
+ * Called by __ip_vs_cleanup()
+ */
+void __ip_vs_service_cleanup(struct net *net)
+{
+ EnterFunction(2);
+ /* Check for "full" addressed entries */
+ mutex_lock(&__ip_vs_mutex);
+ ip_vs_flush(net);
+ mutex_unlock(&__ip_vs_mutex);
+ LeaveFunction(2);
+}
+/*
+ * Release dst hold by dst_cache
+ */
+static inline void
+__ip_vs_dev_reset(struct ip_vs_dest *dest, struct net_device *dev)
+{
+ spin_lock_bh(&dest->dst_lock);
+ if (dest->dst_cache && dest->dst_cache->dev == dev) {
+ IP_VS_DBG_BUF(3, "Reset dev:%s dest %s:%u ,dest->refcnt=%d\n",
+ dev->name,
+ IP_VS_DBG_ADDR(dest->af, &dest->addr),
+ ntohs(dest->port),
+ atomic_read(&dest->refcnt));
+ ip_vs_dst_reset(dest);
+ }
+ spin_unlock_bh(&dest->dst_lock);
+
+}
+/*
+ * Netdev event receiver
+ * Currently only NETDEV_UNREGISTER is handled, i.e. if we hold a reference to
+ * a device that is "unregister" it must be released.
+ */
+static int ip_vs_dst_event(struct notifier_block *this, unsigned long event,
+ void *ptr)
+{
+ struct net_device *dev = ptr;
+ struct net *net = dev_net(dev);
+ struct ip_vs_service *svc;
+ struct ip_vs_dest *dest;
+ unsigned int idx;
+
+ if (event != NETDEV_UNREGISTER)
+ return NOTIFY_DONE;
+ IP_VS_DBG(3, "%s() dev=%s\n", __func__, dev->name);
+ EnterFunction(2);
+ mutex_lock(&__ip_vs_mutex);
+ for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
+ list_for_each_entry(svc, &ip_vs_svc_table[idx], s_list) {
+ if (net_eq(svc->net, net)) {
+ list_for_each_entry(dest, &svc->destinations,
+ n_list) {
+ __ip_vs_dev_reset(dest, dev);
+ }
+ }
+ }
+
+ list_for_each_entry(svc, &ip_vs_svc_fwm_table[idx], f_list) {
+ if (net_eq(svc->net, net)) {
+ list_for_each_entry(dest, &svc->destinations,
+ n_list) {
+ __ip_vs_dev_reset(dest, dev);
+ }
+ }
+
+ }
+ }
+
+ list_for_each_entry(dest, &net_ipvs(net)->dest_trash, n_list) {
+ __ip_vs_dev_reset(dest, dev);
+ }
+ mutex_unlock(&__ip_vs_mutex);
+ LeaveFunction(2);
+ return NOTIFY_DONE;
+}
/*
* Zero counters in a service or all services
@@ -3588,6 +3673,10 @@ void __net_init __ip_vs_control_cleanup_sysctl(struct net *net) { }
#endif
+static struct notifier_block ip_vs_dst_notifier = {
+ .notifier_call = ip_vs_dst_event,
+};
+
int __net_init __ip_vs_control_init(struct net *net)
{
int idx;
@@ -3626,7 +3715,7 @@ err:
return -ENOMEM;
}
-static void __net_exit __ip_vs_control_cleanup(struct net *net)
+void __net_exit __ip_vs_control_cleanup(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
@@ -3639,11 +3728,6 @@ static void __net_exit __ip_vs_control_cleanup(struct net *net)
free_percpu(ipvs->tot_stats.cpustats);
}
-static struct pernet_operations ipvs_control_ops = {
- .init = __ip_vs_control_init,
- .exit = __ip_vs_control_cleanup,
-};
-
int __init ip_vs_control_init(void)
{
int idx;
@@ -3657,33 +3741,32 @@ int __init ip_vs_control_init(void)
INIT_LIST_HEAD(&ip_vs_svc_fwm_table[idx]);
}
- ret = register_pernet_subsys(&ipvs_control_ops);
- if (ret) {
- pr_err("cannot register namespace.\n");
- goto err;
- }
-
smp_wmb(); /* Do we really need it now ? */
ret = nf_register_sockopt(&ip_vs_sockopts);
if (ret) {
pr_err("cannot register sockopt.\n");
- goto err_net;
+ goto err_sock;
}
ret = ip_vs_genl_register();
if (ret) {
pr_err("cannot register Generic Netlink interface.\n");
- nf_unregister_sockopt(&ip_vs_sockopts);
- goto err_net;
+ goto err_genl;
}
+ ret = register_netdevice_notifier(&ip_vs_dst_notifier);
+ if (ret < 0)
+ goto err_notf;
+
LeaveFunction(2);
return 0;
-err_net:
- unregister_pernet_subsys(&ipvs_control_ops);
-err:
+err_notf:
+ ip_vs_genl_unregister();
+err_genl:
+ nf_unregister_sockopt(&ip_vs_sockopts);
+err_sock:
return ret;
}
@@ -3691,7 +3774,6 @@ err:
void ip_vs_control_cleanup(void)
{
EnterFunction(2);
- unregister_pernet_subsys(&ipvs_control_ops);
ip_vs_genl_unregister();
nf_unregister_sockopt(&ip_vs_sockopts);
LeaveFunction(2);
diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c
index 8c8766ca56a..508cce98777 100644
--- a/net/netfilter/ipvs/ip_vs_est.c
+++ b/net/netfilter/ipvs/ip_vs_est.c
@@ -192,7 +192,7 @@ void ip_vs_read_estimator(struct ip_vs_stats_user *dst,
dst->outbps = (e->outbps + 0xF) >> 5;
}
-static int __net_init __ip_vs_estimator_init(struct net *net)
+int __net_init __ip_vs_estimator_init(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
@@ -203,24 +203,16 @@ static int __net_init __ip_vs_estimator_init(struct net *net)
return 0;
}
-static void __net_exit __ip_vs_estimator_exit(struct net *net)
+void __net_exit __ip_vs_estimator_cleanup(struct net *net)
{
del_timer_sync(&net_ipvs(net)->est_timer);
}
-static struct pernet_operations ip_vs_app_ops = {
- .init = __ip_vs_estimator_init,
- .exit = __ip_vs_estimator_exit,
-};
int __init ip_vs_estimator_init(void)
{
- int rv;
-
- rv = register_pernet_subsys(&ip_vs_app_ops);
- return rv;
+ return 0;
}
void ip_vs_estimator_cleanup(void)
{
- unregister_pernet_subsys(&ip_vs_app_ops);
}
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index 17484a4416e..eb86028536f 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -316,7 +316,7 @@ ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp,
/*
* per network name-space init
*/
-static int __net_init __ip_vs_protocol_init(struct net *net)
+int __net_init __ip_vs_protocol_init(struct net *net)
{
#ifdef CONFIG_IP_VS_PROTO_TCP
register_ip_vs_proto_netns(net, &ip_vs_protocol_tcp);
@@ -336,7 +336,7 @@ static int __net_init __ip_vs_protocol_init(struct net *net)
return 0;
}
-static void __net_exit __ip_vs_protocol_cleanup(struct net *net)
+void __net_exit __ip_vs_protocol_cleanup(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
struct ip_vs_proto_data *pd;
@@ -349,11 +349,6 @@ static void __net_exit __ip_vs_protocol_cleanup(struct net *net)
}
}
-static struct pernet_operations ipvs_proto_ops = {
- .init = __ip_vs_protocol_init,
- .exit = __ip_vs_protocol_cleanup,
-};
-
int __init ip_vs_protocol_init(void)
{
char protocols[64];
@@ -382,7 +377,6 @@ int __init ip_vs_protocol_init(void)
REGISTER_PROTOCOL(&ip_vs_protocol_esp);
#endif
pr_info("Registered protocols (%s)\n", &protocols[2]);
- return register_pernet_subsys(&ipvs_proto_ops);
return 0;
}
@@ -393,7 +387,6 @@ void ip_vs_protocol_cleanup(void)
struct ip_vs_protocol *pp;
int i;
- unregister_pernet_subsys(&ipvs_proto_ops);
/* unregister all the ipvs protocols */
for (i = 0; i < IP_VS_PROTO_TAB_SIZE; i++) {
while ((pp = ip_vs_proto_table[i]) != NULL)
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 3e7961e85e9..e292e5bddc7 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1303,13 +1303,18 @@ static struct socket *make_send_sock(struct net *net)
struct socket *sock;
int result;
- /* First create a socket */
- result = __sock_create(net, PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock, 1);
+ /* First create a socket move it to right name space later */
+ result = sock_create_kern(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock);
if (result < 0) {
pr_err("Error during creation of socket; terminating\n");
return ERR_PTR(result);
}
-
+ /*
+ * Kernel sockets that are a part of a namespace, should not
+ * hold a reference to a namespace in order to allow to stop it.
+ * After sk_change_net should be released using sk_release_kernel.
+ */
+ sk_change_net(sock->sk, net);
result = set_mcast_if(sock->sk, ipvs->master_mcast_ifn);
if (result < 0) {
pr_err("Error setting outbound mcast interface\n");
@@ -1334,8 +1339,8 @@ static struct socket *make_send_sock(struct net *net)
return sock;
- error:
- sock_release(sock);
+error:
+ sk_release_kernel(sock->sk);
return ERR_PTR(result);
}
@@ -1350,12 +1355,17 @@ static struct socket *make_receive_sock(struct net *net)
int result;
/* First create a socket */
- result = __sock_create(net, PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock, 1);
+ result = sock_create_kern(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock);
if (result < 0) {
pr_err("Error during creation of socket; terminating\n");
return ERR_PTR(result);
}
-
+ /*
+ * Kernel sockets that are a part of a namespace, should not
+ * hold a reference to a namespace in order to allow to stop it.
+ * After sk_change_net should be released using sk_release_kernel.
+ */
+ sk_change_net(sock->sk, net);
/* it is equivalent to the REUSEADDR option in user-space */
sock->sk->sk_reuse = 1;
@@ -1377,8 +1387,8 @@ static struct socket *make_receive_sock(struct net *net)
return sock;
- error:
- sock_release(sock);
+error:
+ sk_release_kernel(sock->sk);
return ERR_PTR(result);
}
@@ -1473,7 +1483,7 @@ static int sync_thread_master(void *data)
ip_vs_sync_buff_release(sb);
/* release the sending multicast socket */
- sock_release(tinfo->sock);
+ sk_release_kernel(tinfo->sock->sk);
kfree(tinfo);
return 0;
@@ -1513,7 +1523,7 @@ static int sync_thread_backup(void *data)
}
/* release the sending multicast socket */
- sock_release(tinfo->sock);
+ sk_release_kernel(tinfo->sock->sk);
kfree(tinfo->buf);
kfree(tinfo);
@@ -1601,7 +1611,7 @@ outtinfo:
outbuf:
kfree(buf);
outsocket:
- sock_release(sock);
+ sk_release_kernel(sock->sk);
out:
return result;
}
@@ -1610,6 +1620,7 @@ out:
int stop_sync_thread(struct net *net, int state)
{
struct netns_ipvs *ipvs = net_ipvs(net);
+ int retc = -EINVAL;
IP_VS_DBG(7, "%s(): pid %d\n", __func__, task_pid_nr(current));
@@ -1629,7 +1640,7 @@ int stop_sync_thread(struct net *net, int state)
spin_lock_bh(&ipvs->sync_lock);
ipvs->sync_state &= ~IP_VS_STATE_MASTER;
spin_unlock_bh(&ipvs->sync_lock);
- kthread_stop(ipvs->master_thread);
+ retc = kthread_stop(ipvs->master_thread);
ipvs->master_thread = NULL;
} else if (state == IP_VS_STATE_BACKUP) {
if (!ipvs->backup_thread)
@@ -1639,22 +1650,20 @@ int stop_sync_thread(struct net *net, int state)
task_pid_nr(ipvs->backup_thread));
ipvs->sync_state &= ~IP_VS_STATE_BACKUP;
- kthread_stop(ipvs->backup_thread);
+ retc = kthread_stop(ipvs->backup_thread);
ipvs->backup_thread = NULL;
- } else {
- return -EINVAL;
}
/* decrease the module use count */
ip_vs_use_count_dec();
- return 0;
+ return retc;
}
/*
* Initialize data struct for each netns
*/
-static int __net_init __ip_vs_sync_init(struct net *net)
+int __net_init __ip_vs_sync_init(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
@@ -1668,24 +1677,24 @@ static int __net_init __ip_vs_sync_init(struct net *net)
return 0;
}
-static void __ip_vs_sync_cleanup(struct net *net)
+void __ip_vs_sync_cleanup(struct net *net)
{
- stop_sync_thread(net, IP_VS_STATE_MASTER);
- stop_sync_thread(net, IP_VS_STATE_BACKUP);
-}
+ int retc;
-static struct pernet_operations ipvs_sync_ops = {
- .init = __ip_vs_sync_init,
- .exit = __ip_vs_sync_cleanup,
-};
+ retc = stop_sync_thread(net, IP_VS_STATE_MASTER);
+ if (retc && retc != -ESRCH)
+ pr_err("Failed to stop Master Daemon\n");
+ retc = stop_sync_thread(net, IP_VS_STATE_BACKUP);
+ if (retc && retc != -ESRCH)
+ pr_err("Failed to stop Backup Daemon\n");
+}
int __init ip_vs_sync_init(void)
{
- return register_pernet_subsys(&ipvs_sync_ops);
+ return 0;
}
void ip_vs_sync_cleanup(void)
{
- unregister_pernet_subsys(&ipvs_sync_ops);
}
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 30bf8a167fc..482e90c6185 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1334,6 +1334,7 @@ ctnetlink_create_conntrack(struct net *net, u16 zone,
struct nf_conn *ct;
int err = -EINVAL;
struct nf_conntrack_helper *helper;
+ struct nf_conn_tstamp *tstamp;
ct = nf_conntrack_alloc(net, zone, otuple, rtuple, GFP_ATOMIC);
if (IS_ERR(ct))
@@ -1451,6 +1452,9 @@ ctnetlink_create_conntrack(struct net *net, u16 zone,
__set_bit(IPS_EXPECTED_BIT, &ct->status);
ct->master = master_ct;
}
+ tstamp = nf_conn_tstamp_find(ct);
+ if (tstamp)
+ tstamp->start = ktime_to_ns(ktime_get_real());
add_timer(&ct->timeout);
nf_conntrack_hash_insert(ct);
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index a9adf4c6b29..8a025a585d2 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -455,6 +455,7 @@ void xt_compat_flush_offsets(u_int8_t af)
vfree(xt[af].compat_tab);
xt[af].compat_tab = NULL;
xt[af].number = 0;
+ xt[af].cur = 0;
}
}
EXPORT_SYMBOL_GPL(xt_compat_flush_offsets);
@@ -473,8 +474,7 @@ int xt_compat_calc_jump(u_int8_t af, unsigned int offset)
else
return mid ? tmp[mid - 1].delta : 0;
}
- WARN_ON_ONCE(1);
- return 0;
+ return left ? tmp[left - 1].delta : 0;
}
EXPORT_SYMBOL_GPL(xt_compat_calc_jump);
diff --git a/net/netfilter/xt_DSCP.c b/net/netfilter/xt_DSCP.c
index 0a229191e55..ae8271652ef 100644
--- a/net/netfilter/xt_DSCP.c
+++ b/net/netfilter/xt_DSCP.c
@@ -99,7 +99,7 @@ tos_tg6(struct sk_buff *skb, const struct xt_action_param *par)
u_int8_t orig, nv;
orig = ipv6_get_dsfield(iph);
- nv = (orig & info->tos_mask) ^ info->tos_value;
+ nv = (orig & ~info->tos_mask) ^ info->tos_value;
if (orig != nv) {
if (!skb_make_writable(skb, sizeof(struct iphdr)))
diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c
index 481a86fdc40..61805d7b38a 100644
--- a/net/netfilter/xt_conntrack.c
+++ b/net/netfilter/xt_conntrack.c
@@ -272,11 +272,6 @@ static int conntrack_mt_check(const struct xt_mtchk_param *par)
{
int ret;
- if (strcmp(par->table, "raw") == 0) {
- pr_info("state is undetermined at the time of raw table\n");
- return -EINVAL;
- }
-
ret = nf_ct_l3proto_try_module_get(par->family);
if (ret < 0)
pr_info("cannot load conntrack support for proto=%u\n",
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 15792d8b627..b4d745ea8ee 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1406,6 +1406,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
struct net *net = xp_net(policy);
unsigned long now = jiffies;
struct net_device *dev;
+ struct xfrm_mode *inner_mode;
struct dst_entry *dst_prev = NULL;
struct dst_entry *dst0 = NULL;
int i = 0;
@@ -1436,6 +1437,17 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
goto put_states;
}
+ if (xfrm[i]->sel.family == AF_UNSPEC) {
+ inner_mode = xfrm_ip2inner_mode(xfrm[i],
+ xfrm_af2proto(family));
+ if (!inner_mode) {
+ err = -EAFNOSUPPORT;
+ dst_release(dst);
+ goto put_states;
+ }
+ } else
+ inner_mode = xfrm[i]->inner_mode;
+
if (!dst_prev)
dst0 = dst1;
else {
@@ -1464,7 +1476,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
dst1->lastuse = now;
dst1->input = dst_discard;
- dst1->output = xfrm[i]->outer_mode->afinfo->output;
+ dst1->output = inner_mode->afinfo->output;
dst1->next = dst_prev;
dst_prev = dst1;
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index e8a781422fe..47f1b8638df 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -535,6 +535,9 @@ int xfrm_init_replay(struct xfrm_state *x)
replay_esn->bmp_len * sizeof(__u32) * 8)
return -EINVAL;
+ if ((x->props.flags & XFRM_STATE_ESN) && replay_esn->replay_window == 0)
+ return -EINVAL;
+
if ((x->props.flags & XFRM_STATE_ESN) && x->replay_esn)
x->repl = &xfrm_replay_esn;
else
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-24 19:00:33 +0000