linux-kernel - Re: [PATCH] [v2] scsi: ipr: work around fortify-string warning

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Message-ID: <63ec01f0.170a0220.94c76.011e@mx.google.com>
Date:   Tue, 14 Feb 2023 13:49:35 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Brian King <brking@...ibm.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        James Bottomley <James.Bottomley@...eleye.com>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Arnd Bergmann <arnd@...db.de>,
        Niklas Cassel <niklas.cassel@....com>,
        John Garry <john.g.garry@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev
Subject: Re: [PATCH] [v2] scsi: ipr: work around fortify-string warning

On Tue, Feb 14, 2023 at 02:28:08PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The ipr_log_vpd_compact() function triggers a fortified memcpy() warning
> about a potential string overflow with all versions of clang:

Perhaps this is arch or config specific? I haven't been able to reproduce
this for some reason.

-- 
Kees Cook