Re: [PATCH] random: allow writes to /dev/urandom to influence fast init

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Subject: Re: [PATCH] random: allow writes to /dev/urandom to influence fast init
From: "Jason A. Donenfeld" <Jason@xxxxxxxxx>
Date: Thu, 24 Mar 2022 12:31:10 -0600
Cc: "Alex Xu (Hello71)" <alex_y_xu@xxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>, Guenter Roeck <linux@xxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, "Theodore Ts'o" <tytso@xxxxxxx>, Linux Crypto Mailing List <linux-crypto@xxxxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <Yjy38Nl2wYf0L1eY@gmail.com>
References: <20220322191436.110963-1-Jason@zx2c4.com> <1648009787.fah6dos6ya.none@localhost> <CAHmME9rsvxczJrhPwRX6nyrh9NB2AuJqkEKrTLx-G-T1J6_czQ@mail.gmail.com> <CAHmME9ovJpdcuuZhNKrOTUc8XvKDDdC+axhAmOD9iESnRR7JqA@mail.gmail.com> <Yjy38Nl2wYf0L1eY@gmail.com>

Hi Eric,

On Thu, Mar 24, 2022 at 12:27 PM Eric Biggers <ebiggers@xxxxxxxxxx> wrote:
> The example in random(4) needs to be fixed too, right?
>
> https://man7.org/linux/man-pages/man4/random.4.html

Yes, that's always been wrong, at least for all of 2.6.... There are a
number of issues with the man page that I plan on addressing all at
once with a series.

Jason

References:
- [PATCH] random: allow writes to /dev/urandom to influence fast init
  - From: Jason A. Donenfeld
- Re: [PATCH] random: allow writes to /dev/urandom to influence fast init
  - From: Alex Xu (Hello71)
- Re: [PATCH] random: allow writes to /dev/urandom to influence fast init
  - From: Jason A. Donenfeld
- Re: [PATCH] random: allow writes to /dev/urandom to influence fast init
  - From: Jason A. Donenfeld
- Re: [PATCH] random: allow writes to /dev/urandom to influence fast init
  - From: Eric Biggers

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