linux-kernel - Re: [PATCH 1/2] media: venus: hfi_cmds: struct hfi_session_release_buffer_pkt: Replace 1-element array with flexible array

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Message-ID: <96f14a07-0b82-45b4-8c72-edeb1e2e52af@linaro.org>
Date: Thu, 11 Jul 2024 13:19:21 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Kees Cook <kees@...nel.org>,
 Stanimir Varbanov <stanimir.k.varbanov@...il.com>
Cc: Vikash Garodia <quic_vgarodia@...cinc.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 "Gustavo A. R. Silva" <gustavoars@...nel.org>, linux-media@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, linux-hardening@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] media: venus: hfi_cmds: struct
 hfi_session_release_buffer_pkt: Replace 1-element array with flexible array

On 11/07/2024 00:09, Kees Cook wrote:
> Replace the deprecated[1] use of a 1-element array in
> struct hfi_session_release_buffer_pkt with a modern flexible array.
> 
> No binary differences are present after this conversion.
> 
> Link: https://github.com/KSPP/linux/issues/79 [1]
> Signed-off-by: Kees Cook <kees@...nel.org>
> ---
> Cc: Stanimir Varbanov <stanimir.k.varbanov@...il.com>
> Cc: Vikash Garodia <quic_vgarodia@...cinc.com>
> Cc: "Bryan O'Donoghue" <bryan.odonoghue@...aro.org>
> Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
> Cc: "Gustavo A. R. Silva" <gustavoars@...nel.org>
> Cc: linux-media@...r.kernel.org
> Cc: linux-arm-msm@...r.kernel.org
> Cc: linux-hardening@...r.kernel.org
> ---
>   drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
> index 20acd412ee7b..42825f07939d 100644
> --- a/drivers/media/platform/qcom/venus/hfi_cmds.h
> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
> @@ -227,7 +227,7 @@ struct hfi_session_release_buffer_pkt {
>   	u32 extradata_size;
>   	u32 response_req;
>   	u32 num_buffers;
> -	u32 buffer_info[1];
> +	u32 buffer_info[];
>   };
>   
>   struct hfi_session_release_resources_pkt {

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>