From: Kees Cook <keescook@chromium.org>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: intel-wired-lan@lists.osuosl.org,
Jesse Brandeburg <jesse.brandeburg@intel.com>,
linux-kernel@vger.kernel.org, Eric Dumazet <edumazet@google.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
linux-hardening@vger.kernel.org, netdev@vger.kernel.org,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [Intel-wired-lan] [PATCH][next] iavf: Replace one-element array with flexible-array member
Date: Tue, 16 May 2023 12:01:34 -0700 [thread overview]
Message-ID: <202305161201.4AF77552@keescook> (raw)
In-Reply-To: <ZGLR3H1OTgJfOdFP@work>
On Mon, May 15, 2023 at 06:44:12PM -0600, Gustavo A. R. Silva wrote:
> One-element arrays are deprecated, and we are replacing them with flexible
> array members instead. So, replace one-element array with flexible-array
> member in struct iavf_qvlist_info, and refactor the rest of the code,
> accordingly.
>
> This helps with the ongoing efforts to tighten the FORTIFY_SOURCE
> routines on memcpy() and help us make progress towards globally
> enabling -fstrict-flex-arrays=3 [1].
>
> Link: https://github.com/KSPP/linux/issues/79
> Link: https://github.com/KSPP/linux/issues/289
> Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1]
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
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WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <keescook@chromium.org>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [PATCH][next] iavf: Replace one-element array with flexible-array member
Date: Tue, 16 May 2023 12:01:34 -0700 [thread overview]
Message-ID: <202305161201.4AF77552@keescook> (raw)
In-Reply-To: <ZGLR3H1OTgJfOdFP@work>
On Mon, May 15, 2023 at 06:44:12PM -0600, Gustavo A. R. Silva wrote:
> One-element arrays are deprecated, and we are replacing them with flexible
> array members instead. So, replace one-element array with flexible-array
> member in struct iavf_qvlist_info, and refactor the rest of the code,
> accordingly.
>
> This helps with the ongoing efforts to tighten the FORTIFY_SOURCE
> routines on memcpy() and help us make progress towards globally
> enabling -fstrict-flex-arrays=3 [1].
>
> Link: https://github.com/KSPP/linux/issues/79
> Link: https://github.com/KSPP/linux/issues/289
> Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1]
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
next prev parent reply other threads:[~2023-05-16 19:01 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-16 0:44 [Intel-wired-lan] [PATCH][next] iavf: Replace one-element array with flexible-array member Gustavo A. R. Silva
2023-05-16 0:44 ` Gustavo A. R. Silva
2023-05-16 10:19 ` [Intel-wired-lan] " Simon Horman
2023-05-16 10:19 ` Simon Horman
2023-05-16 19:01 ` Kees Cook [this message]
2023-05-16 19:01 ` Kees Cook
2023-05-23 18:19 ` [Intel-wired-lan] " Tony Nguyen
2023-05-23 18:19 ` Tony Nguyen
2023-05-26 21:00 ` [Intel-wired-lan] " Kees Cook
2023-05-26 21:00 ` Kees Cook
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