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From: Daniel Borkmann <daniel@iogearbox.net>
To: Jason Wang <jasowang@redhat.com>,
	"Nikita V. Shirokov" <tehnerd@tehnerd.com>,
	Alexei Starovoitov <ast@kernel.org>,
	"Michael S. Tsirkin" <mst@redhat.com>
Cc: netdev@vger.kernel.org, David Ahern <dsahern@gmail.com>
Subject: Re: [PATCH bpf-next] bpf: fix virtio-net's length calc for XDP_PASS
Date: Mon, 23 Apr 2018 11:30:21 +0200	[thread overview]
Message-ID: <cdf0ba67-e420-c565-fcc1-2ce3e7697967@iogearbox.net> (raw)
In-Reply-To: <eced76a9-5480-8180-7e5a-84a62d0fdc8b@redhat.com>

On 04/23/2018 08:33 AM, Jason Wang wrote:
> On 2018年04月23日 12:16, Nikita V. Shirokov wrote:
>> In commit 6870de435b90 ("bpf: make virtio compatible w/
>> bpf_xdp_adjust_tail") i didn't account for vi->hdr_len during new
>> packet's length calculation after bpf_prog_run in receive_mergeable.
>> because of this all packets, if they were passed to the kernel,
>> were truncated by 12 bytes.
>>
>> Fixes:6870de435b90 ("bpf: make virtio compatible w/ bpf_xdp_adjust_tail")
>> Reported-by: David Ahern <dsahern@gmail.com>
>>
>> Signed-off-by: Nikita V. Shirokov <tehnerd@tehnerd.com>
[...]
> 
> Acked-by: Jason Wang <jasowang@redhat.com>

Applied to bpf-next, thanks everyone!

      reply	other threads:[~2018-04-23  9:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-23  4:16 [PATCH bpf-next] bpf: fix virtio-net's length calc for XDP_PASS Nikita V. Shirokov
2018-04-23  6:33 ` Jason Wang
2018-04-23  9:30   ` Daniel Borkmann [this message]

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