From: Kees Cook <keescook@chromium.org>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Arend van Spriel <aspriel@gmail.com>,
Franky Lin <franky.lin@broadcom.com>,
Hante Meuleman <hante.meuleman@broadcom.com>,
Kalle Valo <kvalo@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
brcm80211-dev-list.pdl@broadcom.com,
SHA-cyfmac-dev-list@infineon.com, netdev@vger.kernel.org,
linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hardening@vger.kernel.org
Subject: Re: [PATCH 1/2][next] wifi: brcmfmac: Replace one-element array with flexible-array member
Date: Thu, 17 Nov 2022 15:16:33 -0800 [thread overview]
Message-ID: <202211171516.4BDCE17@keescook> (raw)
In-Reply-To: <7694550aa9a2753a73a687f61af9441c8cf52fd7.1668466470.git.gustavoars@kernel.org>
On Mon, Nov 14, 2022 at 05:01:11PM -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 brcmf_gscan_config.
>
> Important to mention is that doing a build before/after this patch results
> in no binary output differences.
>
> 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/241
> 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:[~2022-11-17 23:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-14 23:00 [PATCH 0/2][next] wifi: brcmfmac: Replace one-element array with flexible-array member Gustavo A. R. Silva
2022-11-14 23:01 ` [PATCH 1/2][next] " Gustavo A. R. Silva
2022-11-17 23:16 ` Kees Cook [this message]
2022-11-22 10:14 ` Kalle Valo
2022-11-14 23:02 ` [PATCH 2/2][next] wifi: brcmfmac: Use struct_size() and array_size() in code ralated to struct brcmf_gscan_config Gustavo A. R. Silva
2022-11-17 23:16 ` Kees Cook
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