From: Christoph Hellwig <hch@infradead.org>
To: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Alexander Lobakin <aleksander.lobakin@intel.com>,
Alexander Potapenko <glider@google.com>,
Alex Deucher <alexander.deucher@amd.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Arnd Bergmann <arnd@arndb.de>,
Arne Welzel <arne.welzel@corelight.com>,
Azeem Shaikh <azeemshaikh38@gmail.com>,
Bill Wendling <morbo@google.com>,
Christoph Hellwig <hch@infradead.org>,
Conor Dooley <conor.dooley@microchip.com>,
"Darrick J. Wong" <djwong@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Fangrui Song <maskray@google.com>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
Hans de Goede <hdegoede@redhat.com>,
Jakub Kicinski <kuba@kernel.org>, Jan Kara <jack@suse.cz>,
Joe Perches <joe@perches.com>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
John Stultz <jstultz@google.com>,
Jozsef Kadlecsik <kadlec@netfilter.org>,
Marco Elver <elver@google.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Miguel Ojeda <ojeda@kernel.org>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Palmer Dabbelt <palmer@rivosinc.com>,
Simon Horman <simon.horman@corigine.com>,
Song Liu <song@kernel.org>,
Thorsten Leemhuis <linux@leemhuis.info>,
Tyrel Datwyler <tyreld@linux.ibm.com>,
Wyes Karny <wyes.karny@amd.com>,
linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [GIT PULL] hardening updates for v6.5-rc1
Date: Tue, 27 Jun 2023 23:20:05 -0700 [thread overview]
Message-ID: <ZJvRFZeYq6ZWLAWj@infradead.org> (raw)
In-Reply-To: <202306271729.813C8788@keescook>
On Tue, Jun 27, 2023 at 05:34:57PM -0700, Kees Cook wrote:
> - The under-development compiler attribute __counted_by has been added
> so that we can start annotating flexible array members with their
> associated structure member that tracks the count of flexible array
> elements at run-time. It is possible (likely?) that the exact syntax
> of the attribute will change before it is finalized, but GCC and Clang
> are working together to sort it out. Any changes can be made to the
> macro while we continue to add annotations. As an example, I have a
> treewide commit waiting with such annotations found via Coccinelle:
> https://git.kernel.org/linus/adc5b3cb48a049563dc673f348eab7b6beba8a9b
> See commit dd06e72e68bcb4070ef211be100d2896e236c8fb for more details.
So I've been following the discussion of that feature for clang and
I can't wait to actually be able to use it.
But this feels a bit premature to me, not only due to the ongoing
discussions on the syntax, but more importantly because I fear it
will be completely misued before we have a compiler actually supporting
available widely enough that we have it in the usual test bots.
next prev parent reply other threads:[~2023-06-28 9:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-28 0:34 [GIT PULL] hardening updates for v6.5-rc1 Kees Cook
2023-06-28 6:20 ` Christoph Hellwig [this message]
2023-06-28 16:29 ` Kees Cook
2023-06-29 7:23 ` Christoph Hellwig
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=ZJvRFZeYq6ZWLAWj@infradead.org \
--to=hch@infradead.org \
--cc=aleksander.lobakin@intel.com \
--cc=alexander.deucher@amd.com \
--cc=andriy.shevchenko@linux.intel.com \
--cc=arnd@arndb.de \
--cc=arne.welzel@corelight.com \
--cc=azeemshaikh38@gmail.com \
--cc=conor.dooley@microchip.com \
--cc=dave.hansen@linux.intel.com \
--cc=djwong@kernel.org \
--cc=elver@google.com \
--cc=glaubitz@physik.fu-berlin.de \
--cc=glider@google.com \
--cc=gustavoars@kernel.org \
--cc=hdegoede@redhat.com \
--cc=jack@suse.cz \
--cc=joe@perches.com \
--cc=jstultz@google.com \
--cc=kadlec@netfilter.org \
--cc=keescook@chromium.org \
--cc=kuba@kernel.org \
--cc=linux-hardening@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@leemhuis.info \
--cc=martin.petersen@oracle.com \
--cc=maskray@google.com \
--cc=mhiramat@kernel.org \
--cc=morbo@google.com \
--cc=nathan@kernel.org \
--cc=ndesaulniers@google.com \
--cc=ojeda@kernel.org \
--cc=palmer@rivosinc.com \
--cc=simon.horman@corigine.com \
--cc=song@kernel.org \
--cc=torvalds@linux-foundation.org \
--cc=tyreld@linux.ibm.com \
--cc=wyes.karny@amd.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 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.