linux-hardening - Re: [PATCH] scsi: scsi_transport_fc: Adjust struct fc_nl

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Message-ID: <yq1bkr3s8ev.fsf@ca-mkp.ca.oracle.com>
Date:   Sun, 25 Sep 2022 12:53:13 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Sachin Sant <sachinp@...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
Subject: Re: [PATCH] scsi: scsi_transport_fc: Adjust struct fc_nl_event flex
 array usage


Kees,

> In order to help the compiler reason about the destination buffer in
> struct fc_nl_event, add a flexible array member for this purpose.
> However, since the header is UAPI, it must not change size or layout,
> so a union is used.

Applied to 6.1/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering