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From: Kees Cook <keescook@chromium.org>
To: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: linux-hardening@vger.kernel.org,
	"Andy Shevchenko" <andy@kernel.org>,
	"Cezary Rojewski" <cezary.rojewski@intel.com>,
	"Puyou Lu" <puyou.lu@gmail.com>,
	"Mark Brown" <broonie@kernel.org>,
	"Josh Poimboeuf" <jpoimboe@kernel.org>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Brendan Higgins" <brendan.higgins@linux.dev>,
	"David Gow" <davidgow@google.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Nathan Chancellor" <nathan@kernel.org>,
	"Alexander Potapenko" <glider@google.com>,
	"Zhaoyang Huang" <zhaoyang.huang@unisoc.com>,
	"Randy Dunlap" <rdunlap@infradead.org>,
	"Geert Uytterhoeven" <geert+renesas@glider.be>,
	"Miguel Ojeda" <ojeda@kernel.org>,
	"Nick Desaulniers" <ndesaulniers@google.com>,
	"Liam Howlett" <liam.howlett@oracle.com>,
	"Vlastimil Babka" <vbabka@suse.cz>,
	"Dan Williams" <dan.j.williams@intel.com>,
	"Rasmus Villemoes" <linux@rasmusvillemoes.dk>,
	"Yury Norov" <yury.norov@gmail.com>,
	"Jason A. Donenfeld" <Jason@zx2c4.com>,
	"Sander Vanheule" <sander@svanheule.net>,
	"Eric Biggers" <ebiggers@google.com>,
	"Masami Hiramatsu (Google)" <mhiramat@kernel.org>,
	"Andrey Konovalov" <andreyknvl@gmail.com>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Daniel Latypov" <dlatypov@google.com>,
	"José Expósito" <jose.exposito89@gmail.com>,
	linux-kernel@vger.kernel.org, kunit-dev@googlegroups.com
Subject: Re: [PATCH 6/9] fortify: Split reporting and avoid passing string pointer
Date: Thu, 6 Apr 2023 15:54:35 -0700	[thread overview]
Message-ID: <642f4dab.170a0220.97691.39c9@mx.google.com> (raw)
In-Reply-To: <CANiq72=Awa4B1qL+Zdkuj1-EX+Tv=fK=pRM_DMdYCDmByEVOHg@mail.gmail.com>

On Thu, Apr 06, 2023 at 03:44:54PM +0200, Miguel Ojeda wrote:
> On Thu, Apr 6, 2023 at 2:02 AM Kees Cook <keescook@chromium.org> wrote:
> >
> > +void __fortify_report(u8 reason);
> > +void __fortify_panic(u8 reason) __cold __noreturn;
> 
> (snip)
> 
> > +void __fortify_report(u8 reason)
> 
> (snip)
> 
> > +void __fortify_panic(const u8 reason)
> 
> I am curious: for some reason (no pun intended :) the `reason`s above
> are not `const` except this one, but then in a later patch they become
> `const` (including the declarations).
> 
> So perhaps make everything `const` when they are introduced? Or is
> there some other reason? (e.g. I saw one patch that moved a function,
> so there it seemed to make sense to keep things as they are to make
> the copy 1:1).

I will adjust it -- this was an artifact of splitting up my patches.

Thanks!

-- 
Kees Cook

  reply	other threads:[~2023-04-06 22:54 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-06  0:01 [PATCH 0/9] fortify: Add KUnit tests for runtime overflows Kees Cook
2023-04-06  0:02 ` [PATCH 1/9] kunit: tool: Enable CONFIG_FORTIFY_SOURCE under UML Kees Cook
2023-04-06  3:10   ` Kees Cook
2023-04-06  0:02 ` [PATCH 2/9] fortify: Allow KUnit test to build without FORTIFY Kees Cook
2023-04-06  1:22   ` Daniel Latypov
2023-04-06 23:09     ` Kees Cook
2023-04-06  0:02 ` [PATCH 3/9] string: Add Kunit tests for strcat() family Kees Cook
2023-04-06  9:11   ` Alexander Potapenko
2023-04-06 23:07     ` Kees Cook
2023-04-12 12:34       ` Alexander Potapenko
2023-04-06  0:02 ` [PATCH 4/9] fortify: Add protection for strlcat() Kees Cook
2023-04-06 13:32   ` Miguel Ojeda
2023-04-06 22:58     ` Kees Cook
2023-04-06  0:02 ` [PATCH 5/9] fortify: strcat: Move definition to use fortified strlcat() Kees Cook
2023-04-06  0:02 ` [PATCH 6/9] fortify: Split reporting and avoid passing string pointer Kees Cook
2023-04-06 10:20   ` Andy Shevchenko
2023-04-06 22:57     ` Kees Cook
2023-04-07  8:34       ` Andy Shevchenko
2023-04-07 19:49         ` Kees Cook
2023-04-06 13:44   ` Miguel Ojeda
2023-04-06 22:54     ` Kees Cook [this message]
2023-04-06 15:23   ` Alexander Lobakin
2023-04-06 22:54     ` Kees Cook
2023-04-06  0:02 ` [PATCH 7/9] fortify: Provide KUnit counters for failure testing Kees Cook
2023-04-06  0:02 ` [PATCH 8/9] fortify: Add KUnit tests for runtime overflows Kees Cook
2023-04-06  0:02 ` [PATCH 9/9] fortify: Improve buffer overflow reporting Kees Cook

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