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Date:   Wed, 9 Mar 2022 09:17:30 -0800
From:   Kees Cook <keescook@...omium.org>
To:     "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
        Sathya Prakash <sathya.prakash@...adcom.com>,
        Suganath Prabu Subramani 
        <suganath-prabu.subramani@...adcom.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        linux-hardening@...r.kernel.org,
        linux-scsi <linux-scsi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        PDL-MPT-FUSIONLINUX <MPT-FusionLinux.pdl@...adcom.com>
Subject: Re: [PATCH] scsi: mpt3sas: Convert to flexible arrays

On Tue, Mar 08, 2022 at 10:20:28PM -0500, Martin K. Petersen wrote:
> 
> Sreekanth,
> 
> > I am observing below kernel panic when I load the driver with this
> > patch changes. After reverting this patch changes then the driver is
> > getting loaded successfully.
> 
> I am puzzled. The driver loads fine for me. I have verified that the
> generated object file is identical before and after Kees' patch.

I've double-checked this again myself; I don't see any binary
difference. Can you share your .config? I was using defconfig with
these added:

SCSI_LOWLEVEL=y
SCSI_MPT3SAS=y

-- 
Kees Cook

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