linux-crypto.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Szabolcs Nagy <szabolcs.nagy@arm.com>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>,
	Florian Weimer <fweimer@redhat.com>,
	Eric Biggers <ebiggers@kernel.org>,
	libc-alpha@sourceware.org, linux-crypto@vger.kernel.org
Subject: Re: [PATCH v6] arc4random: simplify design for better safety
Date: Thu, 28 Jul 2022 11:36:37 +0100	[thread overview]
Message-ID: <YuJmtY6agbe2pBSW@arm.com> (raw)
In-Reply-To: <YuJlCijOtAXOco6h@arm.com>

The 07/28/2022 11:29, Szabolcs Nagy via Libc-alpha wrote:
> The 07/26/2022 21:58, Jason A. Donenfeld via Libc-alpha wrote:
...
> 
> fyi, after this patch i see
> 
> FAIL: stdlib/tst-arc4random-thread
> 
> with
> 
> $ cat stdlib/tst-arc4random-thread.out
> info: arc4random: minimum of 1750000 blob results expected
> info: arc4random: 1750777 blob results observed
> info: arc4random_buf: minimum of 1750000 blob results expected
> info: arc4random_buf: 1750000 blob results observed
> info: arc4random_uniform: minimum of 1750000 blob results expected
> Timed out: killed the child process
> Termination time: 2022-07-27T14:41:33.766791947
> Last write to standard output: 2022-07-27T14:41:22.522497854
> 
> on an arm and aarch64 builder.
> 
> running it manually it takes >30s to complete.

note that before the patch it was <5s on the same machine.

  reply	other threads:[~2022-07-28 10:37 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-23 16:22 arc4random - are you sure we want these? Jason A. Donenfeld
2022-07-23 16:25 ` Jason A. Donenfeld
2022-07-23 17:18   ` Paul Eggert
2022-07-24 23:55     ` Jason A. Donenfeld
2022-07-25 20:31       ` Paul Eggert
2022-07-23 17:39   ` Adhemerval Zanella Netto
2022-07-23 22:54     ` Jason A. Donenfeld
2022-07-25 15:33     ` Rich Felker
2022-07-25 15:59       ` Adhemerval Zanella Netto
2022-07-25 16:18       ` Sandy Harris
2022-07-25 16:40       ` Florian Weimer
2022-07-25 16:51         ` Jason A. Donenfeld
2022-07-25 17:44         ` Rich Felker
2022-07-25 18:33           ` Cristian Rodríguez
2022-07-25 18:49             ` Rich Felker
2022-07-25 18:49               ` Rich Felker
     [not found]               ` <YuCa1lDqoxdnZut/@mit.edu>
     [not found]                 ` <a5b6307d-6811-61b6-c13d-febaa6ad1e48@linaro.org>
     [not found]                   ` <YuEwR0bJhOvRtmFe@mit.edu>
2022-07-27 12:49                     ` Florian Weimer
2022-07-27 20:15                       ` Theodore Ts'o
2022-07-27 21:59                         ` Rich Felker
2022-07-28  0:30                           ` Theodore Ts'o
2022-07-28  0:39                         ` Cristian Rodríguez
2022-07-23 19:04   ` Cristian Rodríguez
2022-07-23 22:59     ` Jason A. Donenfeld
2022-07-24 16:23       ` Cristian Rodríguez
2022-07-24 21:57         ` Jason A. Donenfeld
2022-07-25 10:14     ` Florian Weimer
2022-07-25 10:11   ` Florian Weimer
2022-07-25 11:04     ` Jason A. Donenfeld
2022-07-25 12:39       ` Florian Weimer
2022-07-25 13:43         ` Jason A. Donenfeld
2022-07-25 13:58           ` Cristian Rodríguez
2022-07-25 16:06           ` Rich Felker
2022-07-25 16:43             ` Florian Weimer
2022-07-26 14:27         ` Overwrittting AT_RANDOM after use (was Re: arc4random - are you sure we want these?) Yann Droneaud
2022-07-26 14:35         ` arc4random - are you sure we want these? Yann Droneaud
2022-07-25 13:25       ` Jeffrey Walton
2022-07-25 13:48         ` Jason A. Donenfeld
2022-07-25 14:56     ` Rich Felker
2022-07-25 22:57   ` [PATCH] arc4random: simplify design for better safety Jason A. Donenfeld
2022-07-25 23:11     ` Jason A. Donenfeld
2022-07-25 23:28     ` [PATCH v2] " Jason A. Donenfeld
2022-07-25 23:59       ` Eric Biggers
2022-07-26 10:26         ` Jason A. Donenfeld
2022-07-26  1:10       ` Mark Harris
2022-07-26 10:41         ` Jason A. Donenfeld
2022-07-26 11:06           ` Florian Weimer
2022-07-26 16:51           ` Mark Harris
2022-07-26 18:42             ` Jason A. Donenfeld
2022-07-26 19:24               ` Jason A. Donenfeld
2022-07-26  9:55       ` Florian Weimer
2022-07-26 11:04         ` Jason A. Donenfeld
2022-07-26 11:07           ` [PATCH v3] " Jason A. Donenfeld
2022-07-26 11:11             ` Jason A. Donenfeld
2022-07-26 11:12           ` [PATCH v2] " Florian Weimer
2022-07-26 11:20             ` Jason A. Donenfeld
2022-07-26 11:35               ` Adhemerval Zanella Netto
2022-07-26 11:33       ` Adhemerval Zanella Netto
2022-07-26 11:54         ` Jason A. Donenfeld
2022-07-26 12:08           ` Jason A. Donenfeld
2022-07-26 12:20           ` Jason A. Donenfeld
2022-07-26 12:34           ` Adhemerval Zanella Netto
2022-07-26 12:47             ` Jason A. Donenfeld
2022-07-26 13:11               ` Adhemerval Zanella Netto
2022-07-26 13:30     ` [PATCH v4] " Jason A. Donenfeld
2022-07-26 15:21       ` Yann Droneaud
2022-07-26 16:20       ` Adhemerval Zanella Netto
2022-07-26 18:36         ` Jason A. Donenfeld
2022-07-26 19:08       ` [PATCH v5] " Jason A. Donenfeld
2022-07-26 19:58         ` [PATCH v6] " Jason A. Donenfeld
2022-07-26 20:17           ` Adhemerval Zanella Netto
2022-07-26 20:56             ` Adhemerval Zanella Netto
2022-07-28 10:29           ` Szabolcs Nagy
2022-07-28 10:36             ` Szabolcs Nagy [this message]
2022-07-28 11:01               ` Adhemerval Zanella

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=YuJmtY6agbe2pBSW@arm.com \
    --to=szabolcs.nagy@arm.com \
    --cc=Jason@zx2c4.com \
    --cc=ebiggers@kernel.org \
    --cc=fweimer@redhat.com \
    --cc=libc-alpha@sourceware.org \
    --cc=linux-crypto@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).