netdev - Re: [PATCH 1/3] bpf: allow zero-initializing hash map seed

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Message-ID: <CACAyw99ar0Wokyg4jx8FPyr1Z=7Cf+=WVgF6sLL1FK9JtHROjw@mail.gmail.com>
Date:   Fri, 5 Oct 2018 08:42:22 +0100
From:   Lorenz Bauer <lmb@...udflare.com>
To:     jannh@...gle.com
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org,
        linux-api@...r.kernel.org
Subject: Re: [PATCH 1/3] bpf: allow zero-initializing hash map seed

On Tue, 2 Oct 2018 at 21:00, Jann Horn <jannh@...gle.com> wrote:
>
> If this is for testing only, you can slap a capable(CAP_SYS_ADMIN)
> check in here, right? I doubt it matters, but I don't really like
> seeing something like this exposed to unprivileged userspace just
> because you need it for kernel testing.

That would mean all tests have to run as root / with CAP_SYS_ADMIN
which isn't ideal.

-- 
Lorenz Bauer  |  Systems Engineer
25 Lavington St., London SE1 0NZ

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