From: Helge Deller <deller@gmx.de>
To: "Gustavo A. R. Silva" <gustavo@embeddedor.com>,
Kees Cook <keescook@chromium.org>
Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Tom Rix <trix@redhat.com>,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
linux-hardening@vger.kernel.org
Subject: Re: [PATCH] video: fbdev: mmp: Annotate struct mmphw_ctrl with __counted_by
Date: Sat, 23 Sep 2023 20:37:16 +0200 [thread overview]
Message-ID: <4eccc506-4ff1-6890-8f1a-a5f267dfa5ea@gmx.de> (raw)
In-Reply-To: <6dae12b4-125c-a7be-4129-75065f7a5128@embeddedor.com>
On 9/23/23 18:33, Gustavo A. R. Silva wrote:
> On 9/22/23 11:51, Kees Cook wrote:
>> Prepare for the coming implementation by GCC and Clang of the __counted_by
>> attribute. Flexible array members annotated with __counted_by can have
>> their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
>> (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
>> functions).
>>
>> As found with Coccinelle[1], add __counted_by for struct mmphw_ctrl.
>>
>> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
>>
>> Cc: Helge Deller <deller@gmx.de>
>> Cc: linux-fbdev@vger.kernel.org
>> Cc: dri-devel@lists.freedesktop.org
>> Signed-off-by: Kees Cook <keescook@chromium.org>
>
> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Both fbdev patches applied to fbdev git tree.
Thank you Kees!
Helge
prev parent reply other threads:[~2023-09-23 18:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-22 17:51 Kees Cook
2023-09-23 16:33 ` Gustavo A. R. Silva
2023-09-23 18:37 ` Helge Deller [this message]
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=4eccc506-4ff1-6890-8f1a-a5f267dfa5ea@gmx.de \
--to=deller@gmx.de \
--cc=dri-devel@lists.freedesktop.org \
--cc=gustavo@embeddedor.com \
--cc=keescook@chromium.org \
--cc=linux-fbdev@vger.kernel.org \
--cc=linux-hardening@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=llvm@lists.linux.dev \
--cc=nathan@kernel.org \
--cc=ndesaulniers@google.com \
--cc=trix@redhat.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
all inboxes | Powered by JetHome®