netdev - [PATCH 6/6] xfrm: invalidate dst on policy insertion/deletion

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Message-ID: <20121019192229.GF8315@kvack.org>
Date:	Fri, 19 Oct 2012 15:22:29 -0400
From:	Benjamin LaHaise <bcrl@...ck.org>
To:	Willy Tarreau <w@....eu>
Cc:	David Miller <davem@...emloft.net>, stable@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [PATCH 6/6] xfrm: invalidate dst on policy insertion/deletion

commit ee8372dd1989287c5eedb69d44bac43f69e496f1
Author: Nicolas Dichtel <nicolas.dichtel@...nd.com>
Date:   Mon Sep 10 22:09:45 2012 +0000

    xfrm: invalidate dst on policy insertion/deletion

    When a policy is inserted or deleted, all dst should be recalculated.

    Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
    Signed-off-by: David S. Miller <davem@...emloft.net>

Signed-off-by: Benjamin LaHaise <bcrl@...ck.org>
---
 net/xfrm/xfrm_policy.c          |    1 +
 security/selinux/include/xfrm.h |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 1ae61bd..3aa00e1 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -587,6 +587,7 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
 	xfrm_pol_hold(policy);
 	net->xfrm.policy_count[dir]++;
 	atomic_inc(&flow_cache_genid);
+	rt_genid_bump(net);
 	if (delpol)
 		__xfrm_policy_unlink(delpol, dir);
 	policy->index = delpol ? delpol->index : xfrm_gen_index(net, dir);
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
index 13128f9..9acf6fa 100644
--- a/security/selinux/include/xfrm.h
+++ b/security/selinux/include/xfrm.h
@@ -49,6 +49,7 @@ int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
 static inline void selinux_xfrm_notify_policyload(void)
 {
 	atomic_inc(&flow_cache_genid);
+	rt_genid_bump(&init_net);
 }
 #else
 static inline int selinux_xfrm_enabled(void)
-- 
1.7.1


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