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Diffstat (limited to 'net')
-rw-r--r--net/bridge/netfilter/ebtables.c25
-rw-r--r--net/bridge/netfilter/nft_reject_bridge.c2
-rw-r--r--net/ipv4/netfilter/ip_tables.c1
-rw-r--r--net/ipv6/netfilter/ip6_tables.c1
-rw-r--r--net/netfilter/ipset/ip_set_hash_gen.h5
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c4
-rw-r--r--net/netfilter/ipvs/ip_vs_xmit.c2
-rw-r--r--net/netfilter/nf_tables_api.c11
-rw-r--r--net/netfilter/nft_set_rbtree.c2
-rw-r--r--net/netfilter/xt_CT.c10
-rw-r--r--net/netfilter/xt_set.c10
11 files changed, 54 insertions, 19 deletions
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 28f68a2ec911..bcec377b07e7 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -411,6 +411,12 @@ ebt_check_watcher(struct ebt_entry_watcher *w, struct xt_tgchk_param *par,
watcher = xt_request_find_target(NFPROTO_BRIDGE, w->u.name, 0);
if (IS_ERR(watcher))
return PTR_ERR(watcher);
+
+ if (watcher->family != NFPROTO_BRIDGE) {
+ module_put(watcher->me);
+ return -ENOENT;
+ }
+
w->u.watcher = watcher;
par->target = watcher;
@@ -709,6 +715,8 @@ ebt_check_entry(struct ebt_entry *e, struct net *net,
}
i = 0;
+ memset(&mtpar, 0, sizeof(mtpar));
+ memset(&tgpar, 0, sizeof(tgpar));
mtpar.net = tgpar.net = net;
mtpar.table = tgpar.table = name;
mtpar.entryinfo = tgpar.entryinfo = e;
@@ -730,6 +738,13 @@ ebt_check_entry(struct ebt_entry *e, struct net *net,
goto cleanup_watchers;
}
+ /* Reject UNSPEC, xtables verdicts/return values are incompatible */
+ if (target->family != NFPROTO_BRIDGE) {
+ module_put(target->me);
+ ret = -ENOENT;
+ goto cleanup_watchers;
+ }
+
t->u.target = target;
if (t->u.target == &ebt_standard_target) {
if (gap < sizeof(struct ebt_standard_target)) {
@@ -1605,16 +1620,16 @@ struct compat_ebt_entry_mwt {
compat_uptr_t ptr;
} u;
compat_uint_t match_size;
- compat_uint_t data[0];
+ compat_uint_t data[0] __attribute__ ((aligned (__alignof__(struct compat_ebt_replace))));
};
/* account for possible padding between match_size and ->data */
static int ebt_compat_entry_padsize(void)
{
- BUILD_BUG_ON(XT_ALIGN(sizeof(struct ebt_entry_match)) <
- COMPAT_XT_ALIGN(sizeof(struct compat_ebt_entry_mwt)));
- return (int) XT_ALIGN(sizeof(struct ebt_entry_match)) -
- COMPAT_XT_ALIGN(sizeof(struct compat_ebt_entry_mwt));
+ BUILD_BUG_ON(sizeof(struct ebt_entry_match) <
+ sizeof(struct compat_ebt_entry_mwt));
+ return (int) sizeof(struct ebt_entry_match) -
+ sizeof(struct compat_ebt_entry_mwt);
}
static int ebt_compat_match_offset(const struct xt_match *match,
diff --git a/net/bridge/netfilter/nft_reject_bridge.c b/net/bridge/netfilter/nft_reject_bridge.c
index eaf05de37f75..6de981270566 100644
--- a/net/bridge/netfilter/nft_reject_bridge.c
+++ b/net/bridge/netfilter/nft_reject_bridge.c
@@ -261,7 +261,7 @@ static void nft_reject_br_send_v6_unreach(struct net *net,
if (!reject6_br_csum_ok(oldskb, hook))
return;
- nskb = alloc_skb(sizeof(struct iphdr) + sizeof(struct icmp6hdr) +
+ nskb = alloc_skb(sizeof(struct ipv6hdr) + sizeof(struct icmp6hdr) +
LL_MAX_HEADER + len, GFP_ATOMIC);
if (!nskb)
return;
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 38ab97b0a2ec..ca0dad90803a 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -531,6 +531,7 @@ find_check_entry(struct ipt_entry *e, struct net *net, const char *name,
return -ENOMEM;
j = 0;
+ memset(&mtpar, 0, sizeof(mtpar));
mtpar.net = net;
mtpar.table = name;
mtpar.entryinfo = &e->ip;
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 0758b5bcfb29..7eab959734bc 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -550,6 +550,7 @@ find_check_entry(struct ip6t_entry *e, struct net *net, const char *name,
return -ENOMEM;
j = 0;
+ memset(&mtpar, 0, sizeof(mtpar));
mtpar.net = net;
mtpar.table = name;
mtpar.entryinfo = &e->ipv6;
diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index bbad940c0137..8a33dac4e805 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -1234,7 +1234,10 @@ IPSET_TOKEN(HTYPE, _create)(struct net *net, struct ip_set *set,
pr_debug("Create set %s with family %s\n",
set->name, set->family == NFPROTO_IPV4 ? "inet" : "inet6");
-#ifndef IP_SET_PROTO_UNDEF
+#ifdef IP_SET_PROTO_UNDEF
+ if (set->family != NFPROTO_UNSPEC)
+ return -IPSET_ERR_INVALID_FAMILY;
+#else
if (!(set->family == NFPROTO_IPV4 || set->family == NFPROTO_IPV6))
return -IPSET_ERR_INVALID_FAMILY;
#endif
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 0c03c0e16a96..dd21782e2f12 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -839,6 +839,9 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest,
* For now only for NAT!
*/
ip_vs_rs_hash(ipvs, dest);
+ /* FTP-NAT requires conntrack for mangling */
+ if (svc->port == FTPPORT)
+ ip_vs_register_conntrack(svc);
}
atomic_set(&dest->conn_flags, conn_flags);
@@ -1462,6 +1465,7 @@ static void __ip_vs_del_service(struct ip_vs_service *svc, bool cleanup)
*/
static void ip_vs_unlink_service(struct ip_vs_service *svc, bool cleanup)
{
+ ip_vs_unregister_conntrack(svc);
/* Hold svc to avoid double release from dest_trash */
atomic_inc(&svc->refcnt);
/*
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index ba0a0fd045c8..473cce2a5231 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -168,7 +168,7 @@ static inline bool crosses_local_route_boundary(int skb_af, struct sk_buff *skb,
bool new_rt_is_local)
{
bool rt_mode_allow_local = !!(rt_mode & IP_VS_RT_MODE_LOCAL);
- bool rt_mode_allow_non_local = !!(rt_mode & IP_VS_RT_MODE_LOCAL);
+ bool rt_mode_allow_non_local = !!(rt_mode & IP_VS_RT_MODE_NON_LOCAL);
bool rt_mode_allow_redirect = !!(rt_mode & IP_VS_RT_MODE_RDR);
bool source_is_loopback;
bool old_rt_is_local;
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index ca4c4d994ddb..7979095b69b0 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2890,12 +2890,13 @@ static struct nft_set *nft_set_lookup_byid(const struct net *net,
u32 id = ntohl(nla_get_be32(nla));
list_for_each_entry(trans, &net->nft.commit_list, list) {
- struct nft_set *set = nft_trans_set(trans);
+ if (trans->msg_type == NFT_MSG_NEWSET) {
+ struct nft_set *set = nft_trans_set(trans);
- if (trans->msg_type == NFT_MSG_NEWSET &&
- id == nft_trans_set_id(trans) &&
- nft_active_genmask(set, genmask))
- return set;
+ if (id == nft_trans_set_id(trans) &&
+ nft_active_genmask(set, genmask))
+ return set;
+ }
}
return ERR_PTR(-ENOENT);
}
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index d260ce2d6671..7f3a9a211034 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -66,7 +66,7 @@ static bool __nft_rbtree_lookup(const struct net *net, const struct nft_set *set
parent = rcu_dereference_raw(parent->rb_left);
if (interval &&
nft_rbtree_equal(set, this, interval) &&
- nft_rbtree_interval_end(this) &&
+ nft_rbtree_interval_end(rbe) &&
!nft_rbtree_interval_end(interval))
continue;
interval = rbe;
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 8790190c6feb..03b9a50ec93b 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -245,12 +245,22 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par,
}
if (info->helper[0]) {
+ if (strnlen(info->helper, sizeof(info->helper)) == sizeof(info->helper)) {
+ ret = -ENAMETOOLONG;
+ goto err3;
+ }
+
ret = xt_ct_set_helper(ct, info->helper, par);
if (ret < 0)
goto err3;
}
if (info->timeout[0]) {
+ if (strnlen(info->timeout, sizeof(info->timeout)) == sizeof(info->timeout)) {
+ ret = -ENAMETOOLONG;
+ goto err4;
+ }
+
ret = xt_ct_set_timeout(ct, par, info->timeout);
if (ret < 0)
goto err4;
diff --git a/net/netfilter/xt_set.c b/net/netfilter/xt_set.c
index 6f4c5217d835..bf2890b13212 100644
--- a/net/netfilter/xt_set.c
+++ b/net/netfilter/xt_set.c
@@ -372,8 +372,8 @@ set_target_v2(struct sk_buff *skb, const struct xt_action_param *par)
/* Normalize to fit into jiffies */
if (add_opt.ext.timeout != IPSET_NO_TIMEOUT &&
- add_opt.ext.timeout > UINT_MAX / MSEC_PER_SEC)
- add_opt.ext.timeout = UINT_MAX / MSEC_PER_SEC;
+ add_opt.ext.timeout > IPSET_MAX_TIMEOUT)
+ add_opt.ext.timeout = IPSET_MAX_TIMEOUT;
if (info->add_set.index != IPSET_INVALID_ID)
ip_set_add(info->add_set.index, skb, par, &add_opt);
if (info->del_set.index != IPSET_INVALID_ID)
@@ -407,8 +407,8 @@ set_target_v3(struct sk_buff *skb, const struct xt_action_param *par)
/* Normalize to fit into jiffies */
if (add_opt.ext.timeout != IPSET_NO_TIMEOUT &&
- add_opt.ext.timeout > UINT_MAX / MSEC_PER_SEC)
- add_opt.ext.timeout = UINT_MAX / MSEC_PER_SEC;
+ add_opt.ext.timeout > IPSET_MAX_TIMEOUT)
+ add_opt.ext.timeout = IPSET_MAX_TIMEOUT;
if (info->add_set.index != IPSET_INVALID_ID)
ip_set_add(info->add_set.index, skb, par, &add_opt);
if (info->del_set.index != IPSET_INVALID_ID)
@@ -470,7 +470,7 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par)
}
if (((info->flags & IPSET_FLAG_MAP_SKBPRIO) |
(info->flags & IPSET_FLAG_MAP_SKBQUEUE)) &&
- !(par->hook_mask & (1 << NF_INET_FORWARD |
+ (par->hook_mask & ~(1 << NF_INET_FORWARD |
1 << NF_INET_LOCAL_OUT |
1 << NF_INET_POST_ROUTING))) {
pr_info_ratelimited("mapping of prio or/and queue is allowed only from OUTPUT/FORWARD/POSTROUTING chains\n");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 15:37:47 +0000