linux-hardening - Re: [PATCH v2][next] scsi: lpfc: Use struct

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Message-ID: <202305261041.4C23B96F@keescook>
Date:   Fri, 26 May 2023 10:41:59 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Justin Tee <justintee8345@...il.com>
Cc:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        James Smart <james.smart@...adcom.com>,
        Dick Kennedy <dick.kennedy@...adcom.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org,
        Justin Tee <justin.tee@...adcom.com>
Subject: Re: [PATCH v2][next] scsi: lpfc: Use struct_size() helper

On Tue, May 23, 2023 at 10:25:20PM -0700, Justin Tee wrote:
> no_of_objects may be hardcoded to 1 right now, but does it make more
> sense to use?
> 
> struct_size(rap, obj, be32_to_cpu(rap->no_of_objects));

Oh yeah, that's nicer. :)

> We probably should have declared no_of_objects as __be32 to have
> avoided this confusion.

Perhaps this patch can add that too?

-- 
Kees Cook