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

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Message-ID: <20151203203656.GA9278@glen>
Date:	Thu, 3 Dec 2015 21:36:56 +0100
From:	Andrea Gelmini <andrea.gelmini@...ma.net>
To:	James Bottomley <James.Bottomley@...senPartnership.com>
Cc:	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: BUG: KASAN: slab-out-of-bounds in
 ses_enclosure_data_process+0x900/0xe50

On Wed, Dec 02, 2015 at 02:58:21PM -0800, James Bottomley wrote:
> On Tue, 2015-12-01 at 21:20 +0100, Andrea Gelmini wrote:
> OK, this looks like some type of problem with a USB enclosure.  It's
> probably misreporting something in the mode pages.  can you run sg_ses
> on whatever /dev/sg<n> the enclosure turns up as?


root@...n:/tmp/report# cat sg_ses_usb_hd.txt 
  WD        My Passport 0820  1007
    disk device (not an enclosure)
Supported diagnostic pages:
  Supported Diagnostic Pages [sdp] [0x0]
  Short Enclosure Status (SES) [ses] [0x8]
  <unknown> [0x80]
  <unknown> [0x83]
  <unknown> [0x84]
  <unknown> [0x85]


By the way, same issue with kernel 4.3 (6a13feb9c82803e2b815eca72fa7a9f5561d7861).
Attached the dmesg output.

Thanks a lot,
Andrea

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