linux-hardening - Re: [PATCH v3][next] scsi: aacraid: Replace one-element array with flexible-array member

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Date:   Mon, 10 May 2021 22:30:54 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     "Martin K. Petersen" <martin.petersen@...cle.com>,
        Adaptec OEM Raid Solutions <aacraid@...rosemi.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v3][next] scsi: aacraid: Replace one-element array with
 flexible-array member



On 5/10/21 22:25, Martin K. Petersen wrote:
> On Wed, 21 Apr 2021 13:56:11 -0500, Gustavo A. R. Silva wrote:
> 
>> There is a regular need in the kernel to provide a way to declare having
>> a dynamically sized set of trailing elements in a structure. Kernel code
>> should always use “flexible array members”[1] for these cases. The older
>> style of one-element or zero-length arrays should no longer be used[2].
>>
>> Refactor the code according to the use of a flexible-array member in
>> struct aac_raw_io2 instead of one-element array, and use the
>> struct_size() helper.
>>
>> [...]
> 
> Applied to 5.14/scsi-queue, thanks!
> 
> [1/1] scsi: aacraid: Replace one-element array with flexible-array member
>       https://git.kernel.org/mkp/scsi/c/39107e8577ad

Awesome. :)

Thanks, Martin.
--
Gustavo