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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec

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Steffen Klassert says:

====================
pull request (net): ipsec 2018-10-18

1) Free the xfrm interface gro_cells when deleting the
   interface, otherwise we leak it. From Li RongQing.

2) net/core/flow.c does not exist anymore, so remove it
   from the MAINTAINERS file.

3) Fix a slab-out-of-bounds in _decode_session6.
   From Alexei Starovoitov.

4) Fix RCU protection when policies inserted into
   thei bydst lists. From Florian Westphal.

Please pull or let me know if there are problems.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-10-18 09:55:08 -07:00
commit 2ee653f644
4 changed files with 9 additions and 7 deletions
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1
MAINTAINERS
View file

@ -10122,7 +10122,6 @@ L: netdev@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git
S: Maintained
F: net/core/flow.c
F: net/xfrm/
F: net/key/
F: net/ipv4/xfrm*

4
net/ipv6/xfrm6_policy.c
View file

@ -146,8 +146,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
fl6->daddr = reverse ? hdr->saddr : hdr->daddr;
fl6->saddr = reverse ? hdr->daddr : hdr->saddr;
while (nh + offset + 1 < skb->data ||
pskb_may_pull(skb, nh + offset + 1 - skb->data)) {
while (nh + offset + sizeof(*exthdr) < skb->data ||
pskb_may_pull(skb, nh + offset + sizeof(*exthdr) - skb->data)) {
nh = skb_network_header(skb);
exthdr = (struct ipv6_opt_hdr *)(nh + offset);

3
net/xfrm/xfrm_interface.c
View file

@ -116,6 +116,9 @@ static void xfrmi_unlink(struct xfrmi_net *xfrmn, struct xfrm_if *xi)
static void xfrmi_dev_free(struct net_device *dev)
{
struct xfrm_if *xi = netdev_priv(dev);
gro_cells_destroy(&xi->gro_cells);
free_percpu(dev->tstats);
}

8
net/xfrm/xfrm_policy.c
View file

@ -632,9 +632,9 @@ static void xfrm_hash_rebuild(struct work_struct *work)
break;
}
if (newpos)
hlist_add_behind(&policy->bydst, newpos);
hlist_add_behind_rcu(&policy->bydst, newpos);
else
hlist_add_head(&policy->bydst, chain);
hlist_add_head_rcu(&policy->bydst, chain);
}
spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
@ -774,9 +774,9 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
break;
}
if (newpos)
hlist_add_behind(&policy->bydst, newpos);
hlist_add_behind_rcu(&policy->bydst, newpos);
else
hlist_add_head(&policy->bydst, chain);
hlist_add_head_rcu(&policy->bydst, chain);
__xfrm_policy_link(policy, dir);
/* After previous checking, family can either be AF_INET or AF_INET6 */