diff options
Diffstat (limited to 'net/core/neighbour.c')
| -rw-r--r-- | net/core/neighbour.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 175bbc0a974..29f0a4d2008 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1449,6 +1449,9 @@ static int neigh_delete(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) struct net_device *dev = NULL; int err = -EINVAL; + if (net != &init_net) + return -EINVAL; + if (nlmsg_len(nlh) < sizeof(*ndm)) goto out; @@ -1515,6 +1518,9 @@ static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) struct net_device *dev = NULL; int err; + if (net != &init_net) + return -EINVAL; + err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL); if (err < 0) goto out; @@ -1789,11 +1795,15 @@ static const struct nla_policy nl_ntbl_parm_policy[NDTPA_MAX+1] = { static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) { + struct net *net = skb->sk->sk_net; struct neigh_table *tbl; struct ndtmsg *ndtmsg; struct nlattr *tb[NDTA_MAX+1]; int err; + if (net != &init_net) + return -EINVAL; + err = nlmsg_parse(nlh, sizeof(*ndtmsg), tb, NDTA_MAX, nl_neightbl_policy); if (err < 0) @@ -1913,11 +1923,15 @@ errout: static int neightbl_dump_info(struct sk_buff *skb, struct netlink_callback *cb) { + struct net *net = skb->sk->sk_net; int family, tidx, nidx = 0; int tbl_skip = cb->args[0]; int neigh_skip = cb->args[1]; struct neigh_table *tbl; + if (net != &init_net) + return 0; + family = ((struct rtgenmsg *) nlmsg_data(cb->nlh))->rtgen_family; read_lock(&neigh_tbl_lock); @@ -2042,9 +2056,13 @@ out: static int neigh_dump_info(struct sk_buff *skb, struct netlink_callback *cb) { + struct net *net = skb->sk->sk_net; struct neigh_table *tbl; int t, family, s_t; + if (net != &init_net) + return 0; + read_lock(&neigh_tbl_lock); family = ((struct rtgenmsg *) nlmsg_data(cb->nlh))->rtgen_family; s_t = cb->args[0]; |