netdev - Re: [DRAFT PATCH] random32: make prandom

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Message-ID: <CA+icZUVkaKorjHb4PSh1pKnYVF7696cfqH_Q87HsNpy9Qx9mxQ@mail.gmail.com>
Date:   Tue, 11 Aug 2020 12:51:43 +0200
From:   Sedat Dilek <sedat.dilek@...il.com>
To:     Willy Tarreau <w@....eu>
Cc:     George Spelvin <lkml@....org>, Amit Klein <aksecurity@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        "Jason A. Donenfeld" <Jason@...c4.com>,
        Andy Lutomirski <luto@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        netdev@...r.kernel.org
Subject: Re: [DRAFT PATCH] random32: make prandom_u32() output unpredictable

[ CC netdev ML ]

Hi Willy,

in [1] you say:

> I've applied it on top of George's patch rebased to mainline for simplicity.
> I've used a separate per_cpu noise variable to keep the net_rand_state static
> with its __latent_entropy.

Can you share this "rebased to mainline" version of George's patch?
Maybe put your work "user-friendly-fetchable" in one of your
<kernel.org> Git tree (see [2])?

Yesterday random/random32/prandom mainline patches hit Linux
v5.8.1-rc1 (see [3]).

So, as I asked in my first email what is a suitable base?
Linux v5.9-rc1 (this Sunday) or if stable Linux v5.8.1 (next 1-2 days)

Thanks.

Regards,
- Sedat -


[1] https://marc.info/?l=linux-netdev&m=159709355528675&w=2
[2] https://git.kernel.org/pub/scm/linux/kernel/git/wtarreau
[3] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/log/?h=linux-5.8.y