linux-hardening - Re: [PATCH][next] net/mlx5e: Replace zero-length array with flexible-array member

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Date:   Tue, 10 Jan 2023 13:52:25 -0800
From:   Saeed Mahameed <saeed@...nel.org>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Saeed Mahameed <saeedm@...dia.com>,
        Leon Romanovsky <leon@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] net/mlx5e: Replace zero-length array with
 flexible-array member

On 09 Jan 19:39, Gustavo A. R. Silva wrote:
>Zero-length arrays are deprecated[1] and we are moving towards
>adopting C99 flexible-array members instead. So, replace zero-length
>array declaration in struct mlx5e_flow_meter_aso_obj with flex-array
>member.
>
>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 [2].
>
>Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays [1]
>Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [2]
>Link: https://github.com/KSPP/linux/issues/78
>Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Applied to net-next-mlx5, Thanks!