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Merge branch 'master' of git://1984.lsi.us.es/nf

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Pablo Neira Ayuso says:

====================
The following patchset contains three Netfilter fixes, they are:

* Fix conntrack helper re-assignment after NAT mangling if only if
  the same helper is attached to the conntrack again, from Florian
  Westphal.

* Don't allow the creation of conntrack entries via ctnetlink if the
  original and reply tuples are missing, from Florian Westphal.

* Fix broken sysctl interface in nf_ct_reasm while adding netns support
  to it, from Michal Kubecek.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2013-02-14 13:16:04 -05:00
commit 306dbf9e55
3 changed files with 9 additions and 4 deletions
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6
net/ipv6/netfilter/nf_conntrack_reasm.c
View File

@ -97,9 +97,9 @@ static int nf_ct_frag6_sysctl_register(struct net *net)
if (table == NULL)
goto err_alloc;
table[0].data = &net->ipv6.frags.high_thresh;
table[1].data = &net->ipv6.frags.low_thresh;
table[2].data = &net->ipv6.frags.timeout;
table[0].data = &net->nf_frag.frags.timeout;
table[1].data = &net->nf_frag.frags.low_thresh;
table[2].data = &net->nf_frag.frags.high_thresh;
}
hdr = register_net_sysctl(net, "net/netfilter", table);

4
net/netfilter/nf_conntrack_helper.c
View File

@ -236,7 +236,9 @@ int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl,
/* We only allow helper re-assignment of the same sort since
* we cannot reallocate the helper extension area.
*/
if (help->helper != helper) {
struct nf_conntrack_helper *tmp = rcu_dereference(help->helper);
if (tmp && tmp->help != helper->help) {
RCU_INIT_POINTER(help->helper, NULL);
goto out;
}

3
net/netfilter/nf_conntrack_netlink.c
View File

@ -1705,6 +1705,9 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
if (nlh->nlmsg_flags & NLM_F_CREATE) {
enum ip_conntrack_events events;
if (!cda[CTA_TUPLE_ORIG] || !cda[CTA_TUPLE_REPLY])
return -EINVAL;
ct = ctnetlink_create_conntrack(net, zone, cda, &otuple,
&rtuple, u3);
if (IS_ERR(ct))