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-rw-r--r--include/linux/netfilter.h3
-rw-r--r--include/linux/netfilter/ipset/ip_set.h2
-rw-r--r--include/linux/netfilter/ipset/ip_set_ahash.h3
-rw-r--r--include/net/ip_vs.h2
-rw-r--r--net/ipv4/netfilter.c5
-rw-r--r--net/ipv6/netfilter.c13
-rw-r--r--net/netfilter/Kconfig1
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_ip.c3
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_ipmac.c3
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_port.c3
-rw-r--r--net/netfilter/ipset/ip_set_core.c109
-rw-r--r--net/netfilter/ipset/ip_set_list_set.c53
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c2
-rw-r--r--net/netfilter/nf_conntrack_h323_asn1.c2
-rw-r--r--net/netfilter/nf_conntrack_h323_main.c16
-rw-r--r--net/netfilter/xt_TCPMSS.c2
-rw-r--r--net/netfilter/xt_addrtype.c42
-rw-r--r--net/netfilter/xt_conntrack.c2
18 files changed, 151 insertions, 115 deletions
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index eeec00abb66..7fa95df6014 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -270,7 +270,8 @@ struct nf_afinfo {
unsigned int dataoff,
unsigned int len,
u_int8_t protocol);
- int (*route)(struct dst_entry **dst, struct flowi *fl);
+ int (*route)(struct net *net, struct dst_entry **dst,
+ struct flowi *fl, bool strict);
void (*saveroute)(const struct sk_buff *skb,
struct nf_queue_entry *entry);
int (*reroute)(struct sk_buff *skb,
diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h
index ec333d83f3b..5a262e3ae71 100644
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -293,7 +293,7 @@ struct ip_set {
/* Lock protecting the set data */
rwlock_t lock;
/* References to the set */
- atomic_t ref;
+ u32 ref;
/* The core set type */
struct ip_set_type *type;
/* The type variant doing the real job */
diff --git a/include/linux/netfilter/ipset/ip_set_ahash.h b/include/linux/netfilter/ipset/ip_set_ahash.h
index ec9d9bea1e3..a0196ac7905 100644
--- a/include/linux/netfilter/ipset/ip_set_ahash.h
+++ b/include/linux/netfilter/ipset/ip_set_ahash.h
@@ -515,8 +515,7 @@ type_pf_head(struct ip_set *set, struct sk_buff *skb)
if (h->netmask != HOST_MASK)
NLA_PUT_U8(skb, IPSET_ATTR_NETMASK, h->netmask);
#endif
- NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES,
- htonl(atomic_read(&set->ref) - 1));
+ NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1));
NLA_PUT_NET32(skb, IPSET_ATTR_MEMSIZE, htonl(memsize));
if (with_timeout(h->timeout))
NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT, htonl(h->timeout));
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 30b49ed72f0..4d1b71ae82b 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -52,7 +52,7 @@ static inline struct net *skb_net(const struct sk_buff *skb)
*/
if (likely(skb->dev && skb->dev->nd_net))
return dev_net(skb->dev);
- if (skb_dst(skb)->dev)
+ if (skb_dst(skb) && skb_dst(skb)->dev)
return dev_net(skb_dst(skb)->dev);
WARN(skb->sk, "Maybe skb_sknet should be used in %s() at line:%d\n",
__func__, __LINE__);
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index f3c0b549b8e..4614babdc45 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -221,9 +221,10 @@ static __sum16 nf_ip_checksum_partial(struct sk_buff *skb, unsigned int hook,
return csum;
}
-static int nf_ip_route(struct dst_entry **dst, struct flowi *fl)
+static int nf_ip_route(struct net *net, struct dst_entry **dst,
+ struct flowi *fl, bool strict __always_unused)
{
- struct rtable *rt = ip_route_output_key(&init_net, &fl->u.ip4);
+ struct rtable *rt = ip_route_output_key(net, &fl->u.ip4);
if (IS_ERR(rt))
return PTR_ERR(rt);
*dst = &rt->dst;
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 39aaca2b4fd..28bc1f644b7 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -90,9 +90,18 @@ static int nf_ip6_reroute(struct sk_buff *skb,
return 0;
}
-static int nf_ip6_route(struct dst_entry **dst, struct flowi *fl)
+static int nf_ip6_route(struct net *net, struct dst_entry **dst,
+ struct flowi *fl, bool strict)
{
- *dst = ip6_route_output(&init_net, NULL, &fl->u.ip6);
+ static const struct ipv6_pinfo fake_pinfo;
+ static const struct inet_sock fake_sk = {
+ /* makes ip6_route_output set RT6_LOOKUP_F_IFACE: */
+ .sk.sk_bound_dev_if = 1,
+ .pinet6 = (struct ipv6_pinfo *) &fake_pinfo,
+ };
+ const void *sk = strict ? &fake_sk : NULL;
+
+ *dst = ip6_route_output(net, sk, &fl->u.ip6);
return (*dst)->error;
}
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index c3f988aa115..32bff6d86cb 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -652,7 +652,6 @@ comment "Xtables matches"
config NETFILTER_XT_MATCH_ADDRTYPE
tristate '"addrtype" address type match support'
depends on NETFILTER_ADVANCED
- depends on (IPV6 || IPV6=n)
---help---
This option allows you to match what routing thinks of an address,
eg. UNICAST, LOCAL, BROADCAST, ...
diff --git a/net/netfilter/ipset/ip_set_bitmap_ip.c b/net/netfilter/ipset/ip_set_bitmap_ip.c
index bca96990218..a113ff06692 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ip.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ip.c
@@ -338,8 +338,7 @@ bitmap_ip_head(struct ip_set *set, struct sk_buff *skb)
NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP_TO, htonl(map->last_ip));
if (map->netmask != 32)
NLA_PUT_U8(skb, IPSET_ATTR_NETMASK, map->netmask);
- NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES,
- htonl(atomic_read(&set->ref) - 1));
+ NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1));
NLA_PUT_NET32(skb, IPSET_ATTR_MEMSIZE,
htonl(sizeof(*map) + map->memsize));
if (with_timeout(map->timeout))
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index 5e790172def..00a33242e90 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -434,8 +434,7 @@ bitmap_ipmac_head(struct ip_set *set, struct sk_buff *skb)
goto nla_put_failure;
NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, htonl(map->first_ip));
NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP_TO, htonl(map->last_ip));
- NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES,
- htonl(atomic_read(&set->ref) - 1));
+ NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1));
NLA_PUT_NET32(skb, IPSET_ATTR_MEMSIZE,
htonl(sizeof(*map)
+ (map->last_ip - map->first_ip + 1) * map->dsize));
diff --git a/net/netfilter/ipset/ip_set_bitmap_port.c b/net/netfilter/ipset/ip_set_bitmap_port.c
index 165f09b1a9c..6b38eb8f6ed 100644
--- a/net/netfilter/ipset/ip_set_bitmap_port.c
+++ b/net/netfilter/ipset/ip_set_bitmap_port.c
@@ -320,8 +320,7 @@ bitmap_port_head(struct ip_set *set, struct sk_buff *skb)
goto nla_put_failure;
NLA_PUT_NET16(skb, IPSET_ATTR_PORT, htons(map->first_port));
NLA_PUT_NET16(skb, IPSET_ATTR_PORT_TO, htons(map->last_port));
- NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES,
- htonl(atomic_read(&set->ref) - 1));
+ NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1));
NLA_PUT_NET32(skb, IPSET_ATTR_MEMSIZE,
htonl(sizeof(*map) + map->memsize));
if (with_timeout(map->timeout))
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index d6b48230a54..e88ac3c3ed0 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -26,6 +26,7 @@
static LIST_HEAD(ip_set_type_list); /* all registered set types */
static DEFINE_MUTEX(ip_set_type_mutex); /* protects ip_set_type_list */
+static DEFINE_RWLOCK(ip_set_ref_lock); /* protects the set refs */
static struct ip_set **ip_set_list; /* all individual sets */
static ip_set_id_t ip_set_max = CONFIG_IP_SET_MAX; /* max number of sets */
@@ -301,13 +302,18 @@ EXPORT_SYMBOL_GPL(ip_set_get_ipaddr6);
static inline void
__ip_set_get(ip_set_id_t index)
{
- atomic_inc(&ip_set_list[index]->ref);
+ write_lock_bh(&ip_set_ref_lock);
+ ip_set_list[index]->ref++;
+ write_unlock_bh(&ip_set_ref_lock);
}
static inline void
__ip_set_put(ip_set_id_t index)
{
- atomic_dec(&ip_set_list[index]->ref);
+ write_lock_bh(&ip_set_ref_lock);
+ BUG_ON(ip_set_list[index]->ref == 0);
+ ip_set_list[index]->ref--;
+ write_unlock_bh(&ip_set_ref_lock);
}
/*
@@ -324,7 +330,7 @@ ip_set_test(ip_set_id_t index, const struct sk_buff *skb,
struct ip_set *set = ip_set_list[index];
int ret = 0;
- BUG_ON(set == NULL || atomic_read(&set->ref) == 0);
+ BUG_ON(set == NULL);
pr_debug("set %s, index %u\n", set->name, index);
if (dim < set->type->dimension ||
@@ -356,7 +362,7 @@ ip_set_add(ip_set_id_t index, const struct sk_buff *skb,
struct ip_set *set = ip_set_list[index];
int ret;
- BUG_ON(set == NULL || atomic_read(&set->ref) == 0);
+ BUG_ON(set == NULL);
pr_debug("set %s, index %u\n", set->name, index);
if (dim < set->type->dimension ||
@@ -378,7 +384,7 @@ ip_set_del(ip_set_id_t index, const struct sk_buff *skb,
struct ip_set *set = ip_set_list[index];
int ret = 0;
- BUG_ON(set == NULL || atomic_read(&set->ref) == 0);
+ BUG_ON(set == NULL);
pr_debug("set %s, index %u\n", set->name, index);
if (dim < set->type->dimension ||
@@ -397,7 +403,6 @@ EXPORT_SYMBOL_GPL(ip_set_del);
* Find set by name, reference it once. The reference makes sure the
* thing pointed to, does not go away under our feet.
*
- * The nfnl mutex must already be activated.
*/
ip_set_id_t
ip_set_get_byname(const char *name, struct ip_set **set)
@@ -423,15 +428,12 @@ EXPORT_SYMBOL_GPL(ip_set_get_byname);
* reference count by 1. The caller shall not assume the index
* to be valid, after calling this function.
*
- * The nfnl mutex must already be activated.
*/
void
ip_set_put_byindex(ip_set_id_t index)
{
- if (ip_set_list[index] != NULL) {
- BUG_ON(atomic_read(&ip_set_list[index]->ref) == 0);
+ if (ip_set_list[index] != NULL)
__ip_set_put(index);
- }
}
EXPORT_SYMBOL_GPL(ip_set_put_byindex);
@@ -441,7 +443,6 @@ EXPORT_SYMBOL_GPL(ip_set_put_byindex);
* can't be destroyed. The set cannot be renamed due to
* the referencing either.
*
- * The nfnl mutex must already be activated.
*/
const char *
ip_set_name_byindex(ip_set_id_t index)
@@ -449,7 +450,7 @@ ip_set_name_byindex(ip_set_id_t index)
const struct ip_set *set = ip_set_list[index];
BUG_ON(set == NULL);
- BUG_ON(atomic_read(&set->ref) == 0);
+ BUG_ON(set->ref == 0);
/* Referenced, so it's safe */
return set->name;
@@ -515,10 +516,7 @@ void
ip_set_nfnl_put(ip_set_id_t index)
{
nfnl_lock();
- if (ip_set_list[index] != NULL) {
- BUG_ON(atomic_read(&ip_set_list[index]->ref) == 0);
- __ip_set_put(index);
- }
+ ip_set_put_byindex(index);
nfnl_unlock();
}
EXPORT_SYMBOL_GPL(ip_set_nfnl_put);
@@ -526,7 +524,7 @@ EXPORT_SYMBOL_GPL(ip_set_nfnl_put);
/*
* Communication protocol with userspace over netlink.
*
- * We already locked by nfnl_lock.
+ * The commands are serialized by the nfnl mutex.
*/
static inline bool
@@ -657,7 +655,6 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb,
return -ENOMEM;
rwlock_init(&set->lock);
strlcpy(set->name, name, IPSET_MAXNAMELEN);
- atomic_set(&set->ref, 0);
set->family = family;
/*
@@ -690,8 +687,8 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb,
/*
* Here, we have a valid, constructed set and we are protected
- * by nfnl_lock. Find the first free index in ip_set_list and
- * check clashing.
+ * by the nfnl mutex. Find the first free index in ip_set_list
+ * and check clashing.
*/
if ((ret = find_free_id(set->name, &index, &clash)) != 0) {
/* If this is the same set and requested, ignore error */
@@ -751,31 +748,51 @@ ip_set_destroy(struct sock *ctnl, struct sk_buff *skb,
const struct nlattr * const attr[])
{
ip_set_id_t i;
+ int ret = 0;
if (unlikely(protocol_failed(attr)))
return -IPSET_ERR_PROTOCOL;
- /* References are protected by the nfnl mutex */
+ /* Commands are serialized and references are
+ * protected by the ip_set_ref_lock.
+ * External systems (i.e. xt_set) must call
+ * ip_set_put|get_nfnl_* functions, that way we
+ * can safely check references here.
+ *
+ * list:set timer can only decrement the reference
+ * counter, so if it's already zero, we can proceed
+ * without holding the lock.
+ */
+ read_lock_bh(&ip_set_ref_lock);
if (!attr[IPSET_ATTR_SETNAME]) {
for (i = 0; i < ip_set_max; i++) {
- if (ip_set_list[i] != NULL &&
- (atomic_read(&ip_set_list[i]->ref)))
- return -IPSET_ERR_BUSY;
+ if (ip_set_list[i] != NULL && ip_set_list[i]->ref) {
+ ret = IPSET_ERR_BUSY;
+ goto out;
+ }
}
+ read_unlock_bh(&ip_set_ref_lock);
for (i = 0; i < ip_set_max; i++) {
if (ip_set_list[i] != NULL)
ip_set_destroy_set(i);
}
} else {
i = find_set_id(nla_data(attr[IPSET_ATTR_SETNAME]));
- if (i == IPSET_INVALID_ID)
- return -ENOENT;
- else if (atomic_read(&ip_set_list[i]->ref))
- return -IPSET_ERR_BUSY;
+ if (i == IPSET_INVALID_ID) {
+ ret = -ENOENT;
+ goto out;
+ } else if (ip_set_list[i]->ref) {
+ ret = -IPSET_ERR_BUSY;
+ goto out;
+ }
+ read_unlock_bh(&ip_set_ref_lock);
ip_set_destroy_set(i);
}
return 0;
+out:
+ read_unlock_bh(&ip_set_ref_lock);
+ return ret;
}
/* Flush sets */
@@ -834,6 +851,7 @@ ip_set_rename(struct sock *ctnl, struct sk_buff *skb,
struct ip_set *set;
const char *name2;
ip_set_id_t i;
+ int ret = 0;
if (unlikely(protocol_failed(attr) ||
attr[IPSET_ATTR_SETNAME] == NULL ||
@@ -843,25 +861,33 @@ ip_set_rename(struct sock *ctnl, struct sk_buff *skb,
set = find_set(nla_data(attr[IPSET_ATTR_SETNAME]));
if (set == NULL)
return -ENOENT;
- if (atomic_read(&set->ref) != 0)
- return -IPSET_ERR_REFERENCED;
+
+ read_lock_bh(&ip_set_ref_lock);
+ if (set->ref != 0) {
+ ret = -IPSET_ERR_REFERENCED;
+ goto out;
+ }
name2 = nla_data(attr[IPSET_ATTR_SETNAME2]);
for (i = 0; i < ip_set_max; i++) {
if (ip_set_list[i] != NULL &&
- STREQ(ip_set_list[i]->name, name2))
- return -IPSET_ERR_EXIST_SETNAME2;
+ STREQ(ip_set_list[i]->name, name2)) {
+ ret = -IPSET_ERR_EXIST_SETNAME2;
+ goto out;
+ }
}
strncpy(set->name, name2, IPSET_MAXNAMELEN);
- return 0;
+out:
+ read_unlock_bh(&ip_set_ref_lock);
+ return ret;
}
/* Swap two sets so that name/index points to the other.
* References and set names are also swapped.
*
- * We are protected by the nfnl mutex and references are
- * manipulated only by holding the mutex. The kernel interfaces
+ * The commands are serialized by the nfnl mutex and references are
+ * protected by the ip_set_ref_lock. The kernel interfaces
* do not hold the mutex but the pointer settings are atomic
* so the ip_set_list always contains valid pointers to the sets.
*/
@@ -874,7 +900,6 @@ ip_set_swap(struct sock *ctnl, struct sk_buff *skb,
struct ip_set *from, *to;
ip_set_id_t from_id, to_id;
char from_name[IPSET_MAXNAMELEN];
- u32 from_ref;
if (unlikely(protocol_failed(attr) ||
attr[IPSET_ATTR_SETNAME] == NULL ||
@@ -899,17 +924,15 @@ ip_set_swap(struct sock *ctnl, struct sk_buff *skb,
from->type->family == to->type->family))
return -IPSET_ERR_TYPE_MISMATCH;
- /* No magic here: ref munging protected by the nfnl_lock */
strncpy(from_name, from->name, IPSET_MAXNAMELEN);
- from_ref = atomic_read(&from->ref);
-
strncpy(from->name, to->name, IPSET_MAXNAMELEN);
- atomic_set(&from->ref, atomic_read(&to->ref));
strncpy(to->name, from_name, IPSET_MAXNAMELEN);
- atomic_set(&to->ref, from_ref);
+ write_lock_bh(&ip_set_ref_lock);
+ swap(from->ref, to->ref);
ip_set_list[from_id] = to;
ip_set_list[to_id] = from;
+ write_unlock_bh(&ip_set_ref_lock);
return 0;
}
@@ -926,7 +949,7 @@ ip_set_dump_done(struct netlink_callback *cb)
{
if (cb->args[2]) {
pr_debug("release set %s\n", ip_set_list[cb->args[1]]->name);
- __ip_set_put((ip_set_id_t) cb->args[1]);
+ ip_set_put_byindex((ip_set_id_t) cb->args[1]);
}
return 0;
}
@@ -1068,7 +1091,7 @@ release_refcount:
/* If there was an error or set is done, release set */
if (ret || !cb->args[2]) {
pr_debug("release set %s\n", ip_set_list[index]->name);
- __ip_set_put(index);
+ ip_set_put_byindex(index);
}
/* If we dump all sets, continue with dumping last ones */
diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
index a47c32982f0..e9159e99fc4 100644
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -43,14 +43,19 @@ struct list_set {
static inline struct set_elem *
list_set_elem(const struct list_set *map, u32 id)
{
- return (struct set_elem *)((char *)map->members + id * map->dsize);
+ return (struct set_elem *)((void *)map->members + id * map->dsize);
+}
+
+static inline struct set_telem *
+list_set_telem(const struct list_set *map, u32 id)
+{
+ return (struct set_telem *)((void *)map->members + id * map->dsize);
}
static inline bool
list_set_timeout(const struct list_set *map, u32 id)
{
- const struct set_telem *elem =
- (const struct set_telem *) list_set_elem(map, id);
+ const struct set_telem *elem = list_set_telem(map, id);
return ip_set_timeout_test(elem->timeout);
}
@@ -58,19 +63,11 @@ list_set_timeout(const struct list_set *map, u32 id)
static inline bool
list_set_expired(const struct list_set *map, u32 id)
{
- const struct set_telem *elem =
- (const struct set_telem *) list_set_elem(map, id);
+ const struct set_telem *elem = list_set_telem(map, id);
return ip_set_timeout_expired(elem->timeout);
}
-static inline int
-list_set_exist(const struct set_telem *elem)
-{
- return elem->id != IPSET_INVALID_ID &&
- !ip_set_timeout_expired(elem->timeout);
-}
-
/* Set list without and with timeout */
static int
@@ -146,11 +143,11 @@ list_elem_tadd(struct list_set *map, u32 i, ip_set_id_t id,
struct set_telem *e;
for (; i < map->size; i++) {
- e = (struct set_telem *)list_set_elem(map, i);
+ e = list_set_telem(map, i);
swap(e->id, id);
+ swap(e->timeout, timeout);
if (e->id == IPSET_INVALID_ID)
break;
- swap(e->timeout, timeout);
}
}
@@ -164,7 +161,7 @@ list_set_add(struct list_set *map, u32 i, ip_set_id_t id,
/* Last element replaced: e.g. add new,before,last */
ip_set_put_byindex(e->id);
if (with_timeout(map->timeout))
- list_elem_tadd(map, i, id, timeout);
+ list_elem_tadd(map, i, id, ip_set_timeout_set(timeout));
else
list_elem_add(map, i, id);
@@ -172,11 +169,11 @@ list_set_add(struct list_set *map, u32 i, ip_set_id_t id,
}
static int
-list_set_del(struct list_set *map, ip_set_id_t id, u32 i)
+list_set_del(struct list_set *map, u32 i)
{
struct set_elem *a = list_set_elem(map, i), *b;
- ip_set_put_byindex(id);
+ ip_set_put_byindex(a->id);
for (; i < map->size - 1; i++) {
b = list_set_elem(map, i + 1);
@@ -308,11 +305,11 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
(before == 0 ||
(before > 0 &&
next_id_eq(map, i, refid))))
- ret = list_set_del(map, id, i);
+ ret = list_set_del(map, i);
else if (before < 0 &&
elem->id == refid &&
next_id_eq(map, i, id))
- ret = list_set_del(map, id, i + 1);
+ ret = list_set_del(map, i + 1);
}
break;
default:
@@ -369,8 +366,7 @@ list_set_head(struct ip_set *set, struct sk_buff *skb)
NLA_PUT_NET32(skb, IPSET_ATTR_SIZE, htonl(map->size));
if (with_timeout(map->timeout))
NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT, htonl(map->timeout));
- NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES,
- htonl(atomic_read(&set->ref) - 1));
+ NLA_PUT_NET32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1));
NLA_PUT_NET32(skb, IPSET_ATTR_MEMSIZE,
htonl(sizeof(*map) + map->size * map->dsize));
ipset_nest_end(skb, nested);
@@ -461,16 +457,13 @@ list_set_gc(unsigned long ul_set)
struct set_telem *e;
u32 i;
- /* We run parallel with other readers (test element)
- * but adding/deleting new entries is locked out */
- read_lock_bh(&set->lock);
- for (i = map->size - 1; i >= 0; i--) {
- e = (struct set_telem *) list_set_elem(map, i);
- if (e->id != IPSET_INVALID_ID &&
- list_set_expired(map, i))
- list_set_del(map, e->id, i);
+ write_lock_bh(&set->lock);
+ for (i = 0; i < map->size; i++) {
+ e = list_set_telem(map, i);
+ if (e->id != IPSET_INVALID_ID && list_set_expired(map, i))
+ list_set_del(map, i);
}
- read_unlock_bh(&set->lock);
+ write_unlock_bh(&set->lock);
map->gc.expires = jiffies + IPSET_GC_PERIOD(map->timeout) * HZ;
add_timer(&map->gc);
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 33733c8872e..ae47090bf45 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -3120,7 +3120,7 @@ nla_put_failure:
static int ip_vs_genl_dump_daemons(struct sk_buff *skb,
struct netlink_callback *cb)
{
- struct net *net = skb_net(skb);
+ struct net *net = skb_sknet(skb);
struct netns_ipvs *ipvs = net_ipvs(net);
mutex_lock(&__ip_vs_mutex);
diff --git a/net/netfilter/nf_conntrack_h323_asn1.c b/net/netfilter/nf_conntrack_h323_asn1.c
index 867882313e4..bcd5ed6b713 100644
--- a/net/netfilter/nf_conntrack_h323_asn1.c
+++ b/net/netfilter/nf_conntrack_h323_asn1.c
@@ -631,7 +631,7 @@ static int decode_seqof(bitstr_t *bs, const struct field_t *f,
CHECK_BOUND(bs, 2);
count = *bs->cur++;
count <<= 8;
- count = *bs->cur++;
+ count += *bs->cur++;
break;
case SEMI:
BYTE_ALIGN(bs);
diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index 533a183e666..18b2ce5c8ce 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -731,10 +731,10 @@ static int callforward_do_filter(const union nf_inet_addr *src,
memset(&fl2, 0, sizeof(fl2));
fl2.daddr = dst->ip;
- if (!afinfo->route((struct dst_entry **)&rt1,
- flowi4_to_flowi(&fl1))) {
- if (!afinfo->route((struct dst_entry **)&rt2,
- flowi4_to_flowi(&fl2))) {
+ if (!afinfo->route(&init_net, (struct dst_entry **)&rt1,
+ flowi4_to_flowi(&fl1), false)) {
+ if (!afinfo->route(&init_net, (struct dst_entry **)&rt2,
+ flowi4_to_flowi(&fl2), false)) {
if (rt1->rt_gateway == rt2->rt_gateway &&
rt1->dst.dev == rt2->dst.dev)
ret = 1;
@@ -755,10 +755,10 @@ static int callforward_do_filter(const union nf_inet_addr *src,
memset(&fl2, 0, sizeof(fl2));
ipv6_addr_copy(&fl2.daddr, &dst->in6);
- if (!afinfo->route((struct dst_entry **)&rt1,
- flowi6_to_flowi(&fl1))) {
- if (!afinfo->route((struct dst_entry **)&rt2,
- flowi6_to_flowi(&fl2))) {
+ if (!afinfo->route(&init_net, (struct dst_entry **)&rt1,
+ flowi6_to_flowi(&fl1), false)) {
+ if (!afinfo->route(&init_net, (struct dst_entry **)&rt2,
+ flowi6_to_flowi(&fl2), false)) {
if (!memcmp(&rt1->rt6i_gateway, &rt2->rt6i_gateway,
sizeof(rt1->rt6i_gateway)) &&
rt1->dst.dev == rt2->dst.dev)
diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c
index 6e6b46cb1db..9e63b43faee 100644
--- a/net/netfilter/xt_TCPMSS.c
+++ b/net/netfilter/xt_TCPMSS.c
@@ -166,7 +166,7 @@ static u_int32_t tcpmss_reverse_mtu(const struct sk_buff *skb,
rcu_read_lock();
ai = nf_get_afinfo(family);
if (ai != NULL)
- ai->route((struct dst_entry **)&rt, &fl);
+ ai->route(&init_net, (struct dst_entry **)&rt, &fl, false);
rcu_read_unlock();
if (rt != NULL) {
diff --git a/net/netfilter/xt_addrtype.c b/net/netfilter/xt_addrtype.c
index 2220b85e951..b77d383cec7 100644
--- a/net/netfilter/xt_addrtype.c
+++ b/net/netfilter/xt_addrtype.c
@@ -32,11 +32,32 @@ MODULE_ALIAS("ipt_addrtype");
MODULE_ALIAS("ip6t_addrtype");
#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
-static u32 xt_addrtype_rt6_to_type(const struct rt6_info *rt)
+static u32 match_lookup_rt6(struct net *net, const struct net_device *dev,
+ const struct in6_addr *addr)
{
+ const struct nf_afinfo *afinfo;
+ struct flowi6 flow;
+ struct rt6_info *rt;
u32 ret;
+ int route_err;
- if (!rt)
+ memset(&flow, 0, sizeof(flow));
+ ipv6_addr_copy(&flow.daddr, addr);
+ if (dev)
+ flow.flowi6_oif = dev->ifindex;
+
+ rcu_read_lock();
+
+ afinfo = nf_get_afinfo(NFPROTO_IPV6);
+ if (afinfo != NULL)
+ route_err = afinfo->route(net, (struct dst_entry **)&rt,
+ flowi6_to_flowi(&flow), !!dev);
+ else
+ route_err = 1;
+
+ rcu_read_unlock();
+
+ if (route_err)
return XT_ADDRTYPE_UNREACHABLE;
if (rt->rt6i_flags & RTF_REJECT)
@@ -48,6 +69,9 @@ static u32 xt_addrtype_rt6_to_type(const struct rt6_info *rt)
ret |= XT_ADDRTYPE_LOCAL;
if (rt->rt6i_flags & RTF_ANYCAST)
ret |= XT_ADDRTYPE_ANYCAST;
+
+
+ dst_release(&rt->dst);
return ret;
}
@@ -65,18 +89,8 @@ static bool match_type6(struct net *net, const struct net_device *dev,
return false;
if ((XT_ADDRTYPE_LOCAL | XT_ADDRTYPE_ANYCAST |
- XT_ADDRTYPE_UNREACHABLE) & mask) {
- struct rt6_info *rt;
- u32 type;
- int ifindex = dev ? dev->ifindex : 0;
-
- rt = rt6_lookup(net, addr, NULL, ifindex, !!dev);
-
- type = xt_addrtype_rt6_to_type(rt);
-
- dst_release(&rt->dst);
- return !!(mask & type);
- }
+ XT_ADDRTYPE_UNREACHABLE) & mask)
+ return !!(mask & match_lookup_rt6(net, dev, addr));
return true;
}
diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c
index 2c0086a4751..481a86fdc40 100644
--- a/net/netfilter/xt_conntrack.c
+++ b/net/netfilter/xt_conntrack.c
@@ -195,7 +195,7 @@ conntrack_mt(const struct sk_buff *skb, struct xt_action_param *par,
return info->match_flags & XT_CONNTRACK_STATE;
if ((info->match_flags & XT_CONNTRACK_DIRECTION) &&
(CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) ^
- !!(info->invert_flags & XT_CONNTRACK_DIRECTION))
+ !(info->invert_flags & XT_CONNTRACK_DIRECTION))
return false;
if (info->match_flags & XT_CONNTRACK_ORIGSRC)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 09:47:59 +0000