3.11.10.2 -stable review patch. If anyone has any objections, please let me know.
------------------
From: "fan.du" <fan.du@xxxxxxxxxxxxx>
commit 236c9f84868534c718b6889aa624de64763281f9 upstream.
After searching rt by the vti tunnel dst/src parameter,
if this rt has neither attached to any transformation
nor the transformation is not tunnel oriented, this rt
should be released back to ip layer.
otherwise causing dst memory leakage.
Signed-off-by: Fan Du <fan.du@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
net/ipv4/ip_vti.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 0656041..feb19db 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -350,6 +350,7 @@ static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
if (!rt->dst.xfrm ||
rt->dst.xfrm->props.mode != XFRM_MODE_TUNNEL) {
dev->stats.tx_carrier_errors++;
+ ip_rt_put(rt);
goto tx_error_icmp;
}
tdev = rt->dst.dev;
--
1.8.3.2
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