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-rw-r--r--include/uapi/linux/netfilter/xt_connlabel.h6
-rw-r--r--net/bridge/netfilter/ebtables.c32
-rw-r--r--net/bridge/netfilter/nft_meta_bridge.c10
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_ipmac.c2
-rw-r--r--net/netfilter/ipset/ip_set_core.c2
-rw-r--r--net/netfilter/ipset/ip_set_hash_ipmac.c6
-rw-r--r--net/netfilter/nft_meta.c16
7 files changed, 35 insertions, 39 deletions
diff --git a/include/uapi/linux/netfilter/xt_connlabel.h b/include/uapi/linux/netfilter/xt_connlabel.h
index 2312f0ec07b2..323f0dfc2a4e 100644
--- a/include/uapi/linux/netfilter/xt_connlabel.h
+++ b/include/uapi/linux/netfilter/xt_connlabel.h
@@ -1,4 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+
+#ifndef _UAPI_XT_CONNLABEL_H
+#define _UAPI_XT_CONNLABEL_H
+
#include <linux/types.h>
#define XT_CONNLABEL_MAXBIT 127
@@ -11,3 +15,5 @@ struct xt_connlabel_mtinfo {
__u16 bit;
__u16 options;
};
+
+#endif /* _UAPI_XT_CONNLABEL_H */
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 963dfdc14827..c8177a89f52c 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1770,20 +1770,28 @@ static int compat_calc_entry(const struct ebt_entry *e,
return 0;
}
+static int ebt_compat_init_offsets(unsigned int number)
+{
+ if (number > INT_MAX)
+ return -EINVAL;
+
+ /* also count the base chain policies */
+ number += NF_BR_NUMHOOKS;
+
+ return xt_compat_init_offsets(NFPROTO_BRIDGE, number);
+}
static int compat_table_info(const struct ebt_table_info *info,
struct compat_ebt_replace *newinfo)
{
unsigned int size = info->entries_size;
const void *entries = info->entries;
+ int ret;
newinfo->entries_size = size;
- if (info->nentries) {
- int ret = xt_compat_init_offsets(NFPROTO_BRIDGE,
- info->nentries);
- if (ret)
- return ret;
- }
+ ret = ebt_compat_init_offsets(info->nentries);
+ if (ret)
+ return ret;
return EBT_ENTRY_ITERATE(entries, size, compat_calc_entry, info,
entries, newinfo);
@@ -2234,11 +2242,9 @@ static int compat_do_replace(struct net *net, void __user *user,
xt_compat_lock(NFPROTO_BRIDGE);
- if (tmp.nentries) {
- ret = xt_compat_init_offsets(NFPROTO_BRIDGE, tmp.nentries);
- if (ret < 0)
- goto out_unlock;
- }
+ ret = ebt_compat_init_offsets(tmp.nentries);
+ if (ret < 0)
+ goto out_unlock;
ret = compat_copy_entries(entries_tmp, tmp.entries_size, &state);
if (ret < 0)
@@ -2261,8 +2267,10 @@ static int compat_do_replace(struct net *net, void __user *user,
state.buf_kern_len = size64;
ret = compat_copy_entries(entries_tmp, tmp.entries_size, &state);
- if (WARN_ON(ret < 0))
+ if (WARN_ON(ret < 0)) {
+ vfree(entries_tmp);
goto out_unlock;
+ }
vfree(entries_tmp);
tmp.entries_size = size64;
diff --git a/net/bridge/netfilter/nft_meta_bridge.c b/net/bridge/netfilter/nft_meta_bridge.c
index bed66f536b34..1804e867f715 100644
--- a/net/bridge/netfilter/nft_meta_bridge.c
+++ b/net/bridge/netfilter/nft_meta_bridge.c
@@ -30,13 +30,9 @@ static void nft_meta_bridge_get_eval(const struct nft_expr *expr,
switch (priv->key) {
case NFT_META_BRI_IIFNAME:
br_dev = nft_meta_get_bridge(in);
- if (!br_dev)
- goto err;
break;
case NFT_META_BRI_OIFNAME:
br_dev = nft_meta_get_bridge(out);
- if (!br_dev)
- goto err;
break;
case NFT_META_BRI_IIFPVID: {
u16 p_pvid;
@@ -61,13 +57,11 @@ static void nft_meta_bridge_get_eval(const struct nft_expr *expr,
return;
}
default:
- goto out;
+ return nft_meta_get_eval(expr, regs, pkt);
}
- strncpy((char *)dest, br_dev->name, IFNAMSIZ);
+ strncpy((char *)dest, br_dev ? br_dev->name : "", IFNAMSIZ);
return;
-out:
- return nft_meta_get_eval(expr, regs, pkt);
err:
regs->verdict.code = NFT_BREAK;
}
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index ca7ac4a25ada..1d4e63326e68 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -226,7 +226,7 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
e.id = ip_to_id(map, ip);
- if (opt->flags & IPSET_DIM_ONE_SRC)
+ if (opt->flags & IPSET_DIM_TWO_SRC)
ether_addr_copy(e.ether, eth_hdr(skb)->h_source);
else
ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 2e151856ad99..e64d5f9a89dd 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -1161,7 +1161,7 @@ static int ip_set_rename(struct net *net, struct sock *ctnl,
return -ENOENT;
write_lock_bh(&ip_set_ref_lock);
- if (set->ref != 0) {
+ if (set->ref != 0 || set->ref_netlink != 0) {
ret = -IPSET_ERR_REFERENCED;
goto out;
}
diff --git a/net/netfilter/ipset/ip_set_hash_ipmac.c b/net/netfilter/ipset/ip_set_hash_ipmac.c
index faf59b6a998f..24d8f4df4230 100644
--- a/net/netfilter/ipset/ip_set_hash_ipmac.c
+++ b/net/netfilter/ipset/ip_set_hash_ipmac.c
@@ -89,15 +89,11 @@ hash_ipmac4_kadt(struct ip_set *set, const struct sk_buff *skb,
struct hash_ipmac4_elem e = { .ip = 0, { .foo[0] = 0, .foo[1] = 0 } };
struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
- /* MAC can be src only */
- if (!(opt->flags & IPSET_DIM_TWO_SRC))
- return 0;
-
if (skb_mac_header(skb) < skb->head ||
(skb_mac_header(skb) + ETH_HLEN) > skb->data)
return -EINVAL;
- if (opt->flags & IPSET_DIM_ONE_SRC)
+ if (opt->flags & IPSET_DIM_TWO_SRC)
ether_addr_copy(e.ether, eth_hdr(skb)->h_source);
else
ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c
index f1b1d948c07b..f69afb9ff3cb 100644
--- a/net/netfilter/nft_meta.c
+++ b/net/netfilter/nft_meta.c
@@ -60,24 +60,16 @@ void nft_meta_get_eval(const struct nft_expr *expr,
*dest = skb->mark;
break;
case NFT_META_IIF:
- if (in == NULL)
- goto err;
- *dest = in->ifindex;
+ *dest = in ? in->ifindex : 0;
break;
case NFT_META_OIF:
- if (out == NULL)
- goto err;
- *dest = out->ifindex;
+ *dest = out ? out->ifindex : 0;
break;
case NFT_META_IIFNAME:
- if (in == NULL)
- goto err;
- strncpy((char *)dest, in->name, IFNAMSIZ);
+ strncpy((char *)dest, in ? in->name : "", IFNAMSIZ);
break;
case NFT_META_OIFNAME:
- if (out == NULL)
- goto err;
- strncpy((char *)dest, out->name, IFNAMSIZ);
+ strncpy((char *)dest, out ? out->name : "", IFNAMSIZ);
break;
case NFT_META_IIFTYPE:
if (in == NULL)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 17:29:37 +0000