From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Kees Cook <keescook@chromium.org>
Cc: Adam Radford <aradford@gmail.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hardening@vger.kernel.org
Subject: Re: [PATCH] scsi: 3w-sas: Replace 1-element arrays with flexible array members
Date: Thu, 12 Jan 2023 00:10:18 -0500 [thread overview]
Message-ID: <yq1fscguyms.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20230105004757.never.017-kees@kernel.org> (Kees Cook's message of "Wed, 4 Jan 2023 16:48:01 -0800")
Kees,
> 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.
>
> This results in no differences in binary output.
Applied to 6.3/scsi-staging, thanks!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2023-01-12 5:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-05 0:48 [PATCH] scsi: 3w-sas: Replace 1-element arrays with flexible array members Kees Cook
2023-01-05 17:47 ` Gustavo A. R. Silva
2023-01-12 5:10 ` Martin K. Petersen [this message]
2023-01-14 3:06 ` Martin K. Petersen
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