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authorMartin Willi <martin@strongswan.org>2019-03-26 13:20:43 +0100
committerSteffen Klassert <steffen.klassert@secunet.com>2019-03-27 16:14:05 +0100
commit025c65e119bf58b610549ca359c9ecc5dee6a8d2 (patch)
treeb8a060c8237b6b965b327946043a11e40eae07bc /net/xfrm/xfrm_policy.c
parentesp4: add length check for UDP encapsulation (diff)
downloadlinux-025c65e119bf58b610549ca359c9ecc5dee6a8d2.tar.xz
linux-025c65e119bf58b610549ca359c9ecc5dee6a8d2.zip
xfrm: Honor original L3 slave device in xfrmi policy lookup
If an xfrmi is associated to a vrf layer 3 master device, xfrm_policy_check() fails after traffic decapsulation. The input interface is replaced by the layer 3 master device, and hence xfrmi_decode_session() can't match the xfrmi anymore to satisfy policy checking. Extend ingress xfrmi lookup to honor the original layer 3 slave device, allowing xfrm interfaces to operate within a vrf domain. Fixes: f203b76d7809 ("xfrm: Add virtual xfrm interfaces") Signed-off-by: Martin Willi <martin@strongswan.org> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm/xfrm_policy.c')
-rw-r--r--net/xfrm/xfrm_policy.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 8d1a898d0ba5..a6b58df7a70f 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -3313,7 +3313,7 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb,
ifcb = xfrm_if_get_cb();
if (ifcb) {
- xi = ifcb->decode_session(skb);
+ xi = ifcb->decode_session(skb, family);
if (xi) {
if_id = xi->p.if_id;
net = xi->net;