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Re: [PATCH v2 0/4] xen/pv-scsi: update header and harden frontend


  • To: Juergen Gross <jgross@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
  • From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
  • Date: Fri, 29 Apr 2022 18:25:42 -0400
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  • Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, "James E.J. Bottomley" <jejb@xxxxxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
  • Delivery-date: Fri, 29 Apr 2022 22:26:01 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>


On 4/28/22 3:53 AM, Juergen Gross wrote:
Update the Xen PV-scsi interface from the Xen tree and adapt the
related drivers to use the new definitions.

Harden the frontend driver to be no longer vulnerable to a malicious
backend.

Juergen Gross (4):
   xen: update vscsiif.h
   xen/scsiback: use new command result macros
   xen/scsifront: use new command result macros
   xen/scsifront: harden driver against malicious backend

  drivers/scsi/xen-scsifront.c       | 168 ++++++++++++++++++++++-------
  drivers/xen/xen-scsiback.c         |  82 +++++++++++++-
  include/xen/interface/io/vscsiif.h | 133 ++++++++++++++++++++++-
  3 files changed, 340 insertions(+), 43 deletions(-)


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>




 


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