linux-hardening - Re: [PATCH] scsi: lpfc: Use struct_group() to initialize struct lpfc_cgn

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Date:   Thu, 9 Dec 2021 06:50:43 -0800
From:   James Smart <jsmart2021@...il.com>
To:     Kees Cook <keescook@...omium.org>,
        James Smart <james.smart@...adcom.com>
Cc:     Dick Kennedy <dick.kennedy@...adcom.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH] scsi: lpfc: Use struct_group() to initialize struct
 lpfc_cgn_info

On 12/8/2021 11:59 AM, Kees Cook wrote:
> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memset(), avoid intentionally writing across
> neighboring fields.
> 
> Add struct_group() to mark "stat" region of struct lpfc_cgn_info that
> should be initialized to zero, and refactor the "data" region memset()
> to wipe everything up to the cgn_stats region.
> 
> Signed-off-by: Kees Cook <keescook@...omium.org>
> ---


looks fine.

Reviewed-by: James Smart <jsmart2021@...il.com>

-- james