linux-kernel - Re: BUG: KASAN: slab-out-of-bounds in ses_enclosure_data

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Date:	Fri, 04 Dec 2015 09:09:32 -0800
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Andrea Gelmini <andrea.gelmini@...ma.net>
Cc:	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	dgilbert@...erlog.com
Subject: Re: BUG: KASAN: slab-out-of-bounds in
 ses_enclosure_data_process+0x900/0xe50

On Thu, 2015-12-03 at 23:20 +0100, Andrea Gelmini wrote:
> On Thu, Dec 03, 2015 at 12:59:06PM -0800, James Bottomley wrote:
> > sg_map -i
> > 
> > in your system, you should see something with an inquiry string like
> > enclosure.  It's the /dev/sg<n> of that you need to run sg_ses on.
> 
> root@...n:/home/gelma# sg_map -i
> /dev/sg0  /dev/sda  ATA       Samsung SSD 850   1B6Q
> /dev/sg1  /dev/sr0  HL-DT-ST  DVDRAM GU40N      QX23
> /dev/sg2  /dev/sdb  WD        My Passport 0820  1007
> /dev/sg3  WD        SES Device        1007
> 
> And following Douglas' instructions:
> 
> root@...n:/home/gelma# lsscsi -gs
> [0:0:0:0]    disk    ATA      Samsung SSD 850  1B6Q  /dev/sda   /dev/sg0   1.02TB
> [1:0:0:0]    cd/dvd  HL-DT-ST DVDRAM GU40N     QX23  /dev/sr0   /dev/sg1        -
> [8:0:0:0]    disk    WD       My Passport 0820 1007  /dev/sdb   /dev/sg2   2.00TB
> [8:0:0:1]    enclosu WD       SES Device       1007  -          /dev/sg3       
> 
> root@...n:/home/gelma# sg_ses /dev/sg3
>   WD        SES Device        1007
> Supported diagnostic pages:
>   Supported Diagnostic Pages [sdp] [0x0]
>   Short Enclosure Status (SES) [ses] [0x8]
>   <unknown> [0x80]
>   <unknown> [0x83]
>   <unknown> [0x84]
>   <unknown> [0x85]
> 
> 
> Well, if it's better for you, I can give you root access to a machine with this device
> connected to.

Actually, that would be really helpful, since I only have access to one,
very old, enclosure device.  My ssh key is

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCnSsL4HoG8CXrJKA2CDAFJi+Ry8EUYgLluzX+zQ21iShnlCelp8djuoe+q+96WX2VGTnxQPJGAYUXNIW+rT9g3g8mgbjLAxYec4AHOgir/LlEBCARHo4SWue9L2if0nl6nLu1PudCQIKM747Pfzj1R4VfWboMU4m6KvkaFgP3rwJkZ96aNHI4ssRDh3EXvlD/vix6DZx0T7UEDpD3icc6ZyA2kmymtGCg1+nAWRTWImsnyhRFTIJvVw+xL7iR6GBoIJND82SpzP13Z95owuLm6QGPWow5Xgp3FLgoh+KezU7qXZh17Wh5ANRbgCNZJDc4fDBhXO+oNZmaU8bc0AW8R

Thanks,

James


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