linux-kernel - Re: [PATCH 1/2][next] scsi: lpfc: Replace one-element array with flexible-array member

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Message-ID: <3d298c36-cdd8-62bd-2fef-c2ce63e662ef@embeddedor.com>
Date:   Tue, 23 May 2023 13:46:54 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Kees Cook <keescook@...omium.org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Dick Kennedy <dick.kennedy@...adcom.com>,
        James Smart <james.smart@...adcom.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH 1/2][next] scsi: lpfc: Replace one-element array with
 flexible-array member



On 5/23/23 11:31, Kees Cook wrote:
> On Mon, May 22, 2023 at 06:02:21PM -0400, Martin K. Petersen wrote:
>>
>> Gustavo,
>>
>>> One-element arrays are deprecated, and we are replacing them with flexible
>>> array members instead. So, replace one-element arrays with flexible-array
>>> members in a couple of structures, 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].
>>>
>>> This results in no differences in binary output.
>>
>> Applied to 6.5/scsi-staging, thanks!
> 
> Martin, I think this patch is not right -- can you drop this from
> staging for the moment?

Martin just took patch 1/2, which is correct:

https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git/commit/?h=6.5/scsi-staging&id=e90644b0ce2d700a65579ac74ff594414e8ba30f

--
Gustavo