Re: Patch "scsi: sg: fix SG_DXFER_FROM_DEV transfers" has been added to the 4.12-stable tree

[James Bottomley <jejb@linux.vnet.ibm.com>]

On Tue, 2017-08-08 at 14:20 +0200, Johannes Thumshirn wrote:
> On Tue, Aug 08, 2017 at 12:42:17PM +0100, Chris Clayton wrote:
> > 
> > On 07/08/17 21:32, gregkh@linuxfoundation.org wrote:
> > > 
> > > 
> > > This is a note to let you know that I've just added the patch
> > > titled
> > > 
> > >     scsi: sg: fix SG_DXFER_FROM_DEV transfers
> > > 
> > > to the 4.12-stable tree which can be found at:
> > >     http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-q
> > > ueue.git;a=summary
> > > 
> > > The filename of the patch is:
> > >      scsi-sg-fix-sg_dxfer_from_dev-transfers.patch
> > > and it can be found in the queue-4.12 subdirectory.
> > > 
> > > If you, or anyone else, feels it should not be added to the
> > > stable tree,
> > > please let <stable@vger.kernel.org> know about it.
> > > 
> > 
> > Johannes' commit message says that the transfer must have a length
> > bigger than 0, so the code should return false if the
> > length is less than or equal to 0, but the test is for less than 0.
> > 
> > But in any case, there's another patch that removes all this
> > sg_is_valid_dxfer() jiggery-pokery and replaces it with a
> > simpler test. It hasn't reached Linus' tree yet but is, I believe,
> > cc'd to stable.
> 
> Yup, I hope James is sending it out for this weekend's -rc and then
> it should be backported to stable instead.

I'm not sure which patch you mean.  However, if you got one of my
automated emails about it then it will be in today's batch for Linus.

James

> James any plans in doing otherwise?
> Greg is this acceptible for you?
> 
> Thanks,
> 	Johannes