Re: [PATCH] staging: android: ion: check for kref overflow

[Daniel Rosenberg]

On 08/30/2018 05:41 PM, Greg Kroah-Hartman wrote:
> On Thu, Aug 30, 2018 at 04:09:46PM -0700, Daniel Rosenberg wrote:
> > This patch is against 4.9. It does not apply to master due to a large
> > rework of ion in 4.12 which removed the affected functions altogther.
> > 4c23cbff073f3b9b ("staging: android: ion: Remove import interface")
> >
> > Userspace can cause the kref to handles to increment
> > arbitrarily high. Ensure it does not overflow.
> >
> > Signed-off-by: Daniel Rosenberg <drosen@xxxxxxxxxx>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> I signed off on this?  Where?  When?  Are you sure?
>
> greg k-h
The sign off was on the 4.4.y version that I cherry-picked this from. 
There was a trivial conflict moving it to 4.9, but it did not modify any 
changed lines, so I hadn't thought that was worth noting on the patch. I 
apologise if leaving the signed-off-by was incorrect here.

-Daniel