On Thu, Nov 8, 2018 at 2:04 PM Cong Wang <xiyou.wangc...@gmail.com> wrote:
>
> When subtracting the checksum of a block of data,
> csum_block_sub() must be used to respect the offset.
>
> We learned this lesson from both commit d55bef5059dd
> ("net: fix pskb_trim_rcsum_slow() with odd trim offset") and
> commit d48051c5b837 ("net/mlx5e: fix csum adjustments caused by RXFCS").
>
> Fixes: ca4ef4574f1e ("ip: fix IP_CHECKSUM handling")I do not believe you fix any bug here... I do not know of any inet protocol having odd header sizes.
