A recent patch introduced pmtu handling directly in the
vti transmit routine. Unfortunately we now return without
releasing the dst_entry and freeing the sk_buff. This patch
fixes the issue.
Fixes: 325b71fe0f57 ("vti: Add pmtu handling to vti_xmit.")
Reported-by: Mark McKinstry <[email protected]>
Signed-off-by: Steffen Klassert <[email protected]>
---
net/ipv4/ip_vti.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 6862305..2ea2b6e 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -206,7 +206,8 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct
net_device *dev,
else
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
- return -EMSGSIZE;
+ dst_release(dst);
+ goto tx_error;
}
err = dst_output(tunnel->net, skb->sk, skb);
--
1.9.1
