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

[Greg KH <gregkh@linuxfoundation.org>]

On Tue, Aug 08, 2017 at 02:20:22PM +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-queue.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.
> 
> James any plans in doing otherwise?
> Greg is this acceptible for you?

That's fine, I'll queue it up when it lands in a released -rc.

thanks,

greg k-h