From: Kees Cook <keescook@chromium.org>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v3 1/2] minmax: sanity check constant bounds when clamping
Date: Mon, 26 Sep 2022 11:26:03 -0700 [thread overview]
Message-ID: <202209261125.8AEBF245@keescook> (raw)
In-Reply-To: <20220926133435.1333846-1-Jason@zx2c4.com>
On Mon, Sep 26, 2022 at 03:34:34PM +0200, Jason A. Donenfeld wrote:
> The clamp family of functions only makes sense if hi>=lo. If hi and lo
> are compile-time constants, then raise a build error. Doing so has
> already caught buggy code. This also introduces the infrastructure to
> improve the clamping function in subsequent commits.
>
> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Kees Cook <keescook@chromium.org>
> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
next prev parent reply other threads:[~2022-09-26 18:27 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-23 10:06 [PATCH] minmax: clamp more efficiently by avoiding extra comparison Jason A. Donenfeld
2022-09-23 10:35 ` Andy Shevchenko
2022-09-23 10:40 ` Jason A. Donenfeld
2022-09-23 10:48 ` Jason A. Donenfeld
2022-09-23 15:12 ` Andy Shevchenko
2022-09-23 15:13 ` Jason A. Donenfeld
2022-09-23 15:40 ` [PATCH v2] " Jason A. Donenfeld
2022-09-23 16:41 ` Kees Cook
2022-09-23 16:42 ` Jason A. Donenfeld
2022-09-23 16:53 ` Andy Shevchenko
2022-09-23 16:54 ` Jason A. Donenfeld
2022-09-23 19:47 ` Kees Cook
2022-09-23 22:54 ` Andrew Morton
2022-09-24 0:02 ` Kees Cook
2022-09-24 10:37 ` Jason A. Donenfeld
2022-09-25 16:29 ` Andrew Morton
2022-09-26 10:00 ` Andy Shevchenko
2022-09-26 12:23 ` Jason A. Donenfeld
2022-09-26 13:34 ` [PATCH v3 1/2] minmax: sanity check constant bounds when clamping Jason A. Donenfeld
2022-09-26 13:34 ` [PATCH v3 2/2] minmax: clamp more efficiently by avoiding extra comparison Jason A. Donenfeld
2022-09-26 18:30 ` Kees Cook
2022-09-26 21:33 ` Jason A. Donenfeld
2022-09-26 13:46 ` [PATCH v3 1/2] minmax: sanity check constant bounds when clamping Andy Shevchenko
2022-09-26 18:26 ` Kees Cook [this message]
2022-10-04 13:41 ` Jason A. Donenfeld
2022-10-04 14:39 ` Kees Cook
2022-10-04 15:01 ` Jason A. Donenfeld
2022-09-26 18:30 ` [PATCH v2] minmax: clamp more efficiently by avoiding extra comparison Kees Cook
2022-09-23 15:10 ` [PATCH] " Andy Shevchenko
2022-09-23 15:11 ` Jason A. Donenfeld
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=202209261125.8AEBF245@keescook \
--to=keescook@chromium.org \
--cc=Jason@zx2c4.com \
--cc=akpm@linux-foundation.org \
--cc=andriy.shevchenko@linux.intel.com \
--cc=linux-kernel@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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.