From: Kees Cook <kees@kernel.org>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>,
Suren Baghdasaryan <surenb@google.com>,
Kent Overstreet <kent.overstreet@linux.dev>,
Andy Shevchenko <andy@kernel.org>,
Luc Van Oostenryck <luc.vanoostenryck@gmail.com>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Bill Wendling <morbo@google.com>,
Justin Stitt <justinstitt@google.com>,
Philipp Reisner <philipp.reisner@linbit.com>,
Miguel Ojeda <ojeda@kernel.org>,
linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org,
llvm@lists.linux.dev
Subject: Re: [PATCH 0/3] string.h: Use ARRAY_SIZE() for memtostr*()/strtomem*()
Date: Thu, 6 Feb 2025 10:52:18 -0800 [thread overview]
Message-ID: <202502061050.EC48F506B1@keescook> (raw)
In-Reply-To: <CAHp75Veo-C3A+XVr1RuFumoULWNOugN+CFE65d1T5o+TZSmw-g@mail.gmail.com>
On Thu, Feb 06, 2025 at 08:45:41PM +0200, Andy Shevchenko wrote:
> On Thu, Feb 6, 2025 at 8:44 PM Miguel Ojeda
> <miguel.ojeda.sandonis@gmail.com> wrote:
> >
> > On Thu, Feb 6, 2025 at 7:42 PM Andy Shevchenko
> > <andy.shevchenko@gmail.com> wrote:
> > >
> > > What's the minimum Clang version we build kernel with? 12?
> >
> > 13.0.1 for most architectures according to `scripts/min-tool-version.sh`.
>
> Okay, does it mean 13 has no such a bug?
It probably did, but Clang 13 didn't support compile-time error messages
(added in 14). Regardless, this fixes it there and makes the API more
robust.
> Otherwise the commit message and other comments might be clearer...
How should I rephrase things? I mention the bug and when it was fixed
in patch 3:
...
benefit of working around a bug in Clang (fixed[1] in 15+) that got
...
-Kees
--
Kees Cook
next prev parent reply other threads:[~2025-02-06 18:52 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-06 18:11 [PATCH 0/3] string.h: Use ARRAY_SIZE() for memtostr*()/strtomem*() Kees Cook
2025-02-06 18:11 ` [PATCH 1/3] compiler.h: Move C string helpers into C-only kernel section Kees Cook
2025-02-06 20:07 ` Miguel Ojeda
2025-02-06 21:28 ` Kees Cook
2025-02-06 18:11 ` [PATCH 2/3] compiler.h: Introduce __must_be_char_array() Kees Cook
2025-02-06 19:56 ` David Laight
2025-02-06 21:34 ` Kees Cook
2025-02-06 20:50 ` Kent Overstreet
2025-02-06 21:26 ` Kees Cook
2025-02-07 8:55 ` Rasmus Villemoes
2025-02-07 13:13 ` David Laight
2025-02-07 13:58 ` Kent Overstreet
2025-02-06 18:11 ` [PATCH 3/3] string.h: Use ARRAY_SIZE() for memtostr*()/strtomem*() Kees Cook
2025-02-06 18:41 ` [PATCH 0/3] " Andy Shevchenko
2025-02-06 18:44 ` Miguel Ojeda
2025-02-06 18:45 ` Andy Shevchenko
2025-02-06 18:52 ` Kees Cook [this message]
2025-02-06 19:12 ` Andy Shevchenko
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=202502061050.EC48F506B1@keescook \
--to=kees@kernel.org \
--cc=andy.shevchenko@gmail.com \
--cc=andy@kernel.org \
--cc=justinstitt@google.com \
--cc=kent.overstreet@linux.dev \
--cc=linux-hardening@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=llvm@lists.linux.dev \
--cc=luc.vanoostenryck@gmail.com \
--cc=miguel.ojeda.sandonis@gmail.com \
--cc=morbo@google.com \
--cc=nathan@kernel.org \
--cc=ndesaulniers@google.com \
--cc=ojeda@kernel.org \
--cc=philipp.reisner@linbit.com \
--cc=surenb@google.com \
/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