ipv4/ip_vti.c: VTI fix post-decryption forwarding

[platform/adaptation/renesas_rcar/renesas_kernel.git] / net / ipv4 / ip_vti.c

diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 1831092..858fddf 100644 (file)
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -338,12 +338,17 @@ static int vti_rcv(struct sk_buff *skb)
        if (tunnel != NULL) {
                struct pcpu_tstats *tstats;
 
+               if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb))
+                       return -1;
+
                tstats = this_cpu_ptr(tunnel->dev->tstats);
                u64_stats_update_begin(&tstats->syncp);
                tstats->rx_packets++;
                tstats->rx_bytes += skb->len;
                u64_stats_update_end(&tstats->syncp);
 
+               skb->mark = 0;
+               secpath_reset(skb);
                skb->dev = tunnel->dev;
                return 1;
        }