linux-kernel - Re: [RFC] Should writes to /dev/urandom immediately affect reads?

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Message-ID: <CAHk-=wjx__9L2Ej0DBWGgyjxEKkdKJW=zDvjEhLTBsBgd8MdOA@mail.gmail.com>
Date:   Wed, 20 Sep 2023 13:48:55 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>,
        linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
        "Theodore Ts'o" <tytso@....edu>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Jann Horn <jannh@...gle.com>
Subject: Re: [RFC] Should writes to /dev/urandom immediately affect reads?

On Wed, 20 Sept 2023 at 13:45, Eric Biggers <ebiggers@...nel.org> wrote:
>
> See my first email where I explained the problems with the current behavior.
> Especially the third paragraph.

I really don't think that's the obvious way at all. Anybody who treats
a seed file that way just doesn't care, and whipped up a (bad) shell
script randomly.

Whatever.

             Linus