From: Prashant Bhole <bhole_prashant...@lab.ntt.co.jp>
Date: Mon, 3 Dec 2018 18:09:24 +0900
> In tun.c skb->len was accessed while doing stats accounting after a
> call to netif_receive_skb. We can not access skb after this call
> because buffers may be dropped.
>
> The fix for this bug would be to store skb->len in local variable and
> then use it after netif_receive_skb(). IMO using xdp data size for
> accounting bytes will be better because input for tun_xdp_one() is
> xdp_buff.
>
> Hence this patch:
> - fixes a bug by removing skb access after netif_receive_skb()
> - uses xdp data size for accounting bytes
...
> Fixes: 043d222f93ab ("tuntap: accept an array of XDP buffs through sendmsg()")
> Reviewed-by: Toshiaki Makita <makita.toshi...@lab.ntt.co.jp>
> Signed-off-by: Prashant Bhole <bhole_prashant...@lab.ntt.co.jp>
> Acked-by: Jason Wang <jasow...@redhat.com>
> ---
> v1 -> v2:
> No change. Reposted due to patchwork status.
Applied, thanks.
