linux-hardening - Re: [PATCH] scsi: ips: Avoid over-read of sense buffer

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Message-ID: <yq11r8ywn3m.fsf@ca-mkp.ca.oracle.com>
Date:   Fri, 18 Jun 2021 23:29:21 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     "Martin K. Petersen" <martin.petersen@...cle.com>,
        Adaptec OEM Raid Solutions <aacraid@...rosemi.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH] scsi: ips: Avoid over-read of sense buffer


Kees,

> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memcpy() avoid intentionally reading across
> neighboring array fields.

Applied to 5.14/scsi-staging, thanks!

Strictly speaking padding shouldn't be necessary but this isn't fast
path so no big deal.

-- 
Martin K. Petersen	Oracle Linux Engineering