netdev - Re: [PATCH net 1/5] bpf: fix mixed signed/unsigned derived min/max value bounds

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Message-ID: <9f074fe7-1d9c-97e0-c1a6-bcaa32a0e7c8@fb.com>
Date:   Thu, 20 Jul 2017 15:19:26 -0700
From:   Alexei Starovoitov <ast@...com>
To:     Daniel Borkmann <daniel@...earbox.net>, <davem@...emloft.net>
CC:     <ecree@...arflare.com>, <josef@...icpanda.com>,
        <netdev@...r.kernel.org>, Josef Bacik <jbacik@...com>,
        Martin KaFai Lau <kafai@...com>, Yonghong Song <yhs@...com>
Subject: Re: [PATCH net 1/5] bpf: fix mixed signed/unsigned derived min/max
 value bounds

On 7/20/17 3:00 PM, Daniel Borkmann wrote:
> Edward reported that there's an issue in min/max value bounds
> tracking when signed and unsigned compares both provide hints
> on limits when having unknown variables. E.g. a program such
> as the following should have been rejected:

Thanks a lot for the hard work you folks have put into this set.

Acked-by: Alexei Starovoitov <ast@...nel.org>