Hi Greg,

On Mon, Jul 26, 2021 at 01:08:38PM +0200, Greg Kroah-Hartman wrote:
> On Mon, Jul 26, 2021 at 11:57:22AM +0100, Pavel Begunkov wrote:
> > On 7/26/21 11:29 AM, Sudip Mukherjee wrote:
> > > Hi Pavel,
> > > 
> > > We had been running syzkaller on v5.10.y and a "use after free" is being
> > > reported for v5.10.43+ kernels.
> > 
> > "... # 5.12+", weird, but perhaps due to dependencies.
> > Thanks for letting know.
> > 
> > 
> > Greg, Sasha, should be same as reported for 5.12
> > 
> > https://www.spinics.net/lists/stable/msg485116.html
> > 
> > Can you try to apply it to 5.10 or should I resend?
> 
> I just tried applying those patches and they did not work.  So can you
> provide some new backports?

Here is the backport for v5.10.y. I have also tested these with the
syzkaller repro and the issue is fixed.

--
Regards
Sudip