Subject: Re: [PATCH net v3] net: bridge: Fix ethernet header pointer before
> check skb forwardable
>
> On Wed, 16 Jan 2019 21:04:21 +0800
> wangyunjian wrote:
>
> > if (unlikely(netpoll_tx_running(to->br->dev))) {
> > + skb_push(skb
On Wed, 16 Jan 2019 21:04:21 +0800
wangyunjian wrote:
> if (unlikely(netpoll_tx_running(to->br->dev))) {
> + skb_push(skb, ETH_HLEN);
> if (!is_skb_forwardable(skb->dev, skb)) {
> kfree_skb(skb);
>
From: Yunjian Wang
The skb header should be set to ethernet header before using
is_skb_forwardable. Because the ethernet header length has been
considered in is_skb_forwardable(including dev->hard_header_len
length).
To reproduce the issue:
1, add 2 ports on linux bridge br using following comma
