linux-hardening - Re: [PATCH] scsi: 3w-sas: Replace 1-element arrays with flexible array members

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Date:   Fri, 13 Jan 2023 22:06:40 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Adam Radford <aradford@...il.com>,
        Kees Cook <keescook@...omium.org>
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH] scsi: 3w-sas: Replace 1-element arrays with flexible array members

On Wed, 04 Jan 2023 16:48:01 -0800, Kees Cook wrote:

> One-element arrays (and multi-element arrays being treated as
> dynamically sized) are deprecated[1] and are being replaced with
> flexible array members in support of the ongoing efforts to tighten the
> FORTIFY_SOURCE routines on memcpy(), correctly instrument array indexing
> with UBSAN_BOUNDS, and to globally enable -fstrict-flex-arrays=3.
> 
> Replace one-element arrays with flexible-array member in TW_Ioctl_Buf_Apache
> and TW_Param_Apache, adjusting the explicit sizing calculations at the
> same time.
> 
> [...]

Applied to 6.3/scsi-queue, thanks!

[1/1] scsi: 3w-sas: Replace 1-element arrays with flexible array members
      https://git.kernel.org/mkp/scsi/c/45b379f20bc0

-- 
Martin K. Petersen	Oracle Linux Engineering