Re: [PATCH] binder: add flag to clear buffer on txn complete

[Todd Kjos]

On Fri, Nov 20, 2020 at 11:14 PM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Fri, Nov 20, 2020 at 03:37:43PM -0800, Todd Kjos wrote:
> > Add a per-transaction flag to indicate that the buffer
> > must be cleared when the transaction is complete to
> > prevent copies of sensitive data from being preserved
> > in memory.
> >
> > Signed-off-by: Todd Kjos <tkjos@xxxxxxxxxx>
> > ---
>
> DOes this need to be backported to stable kernels as well?

It doesn't technically qualify for stable since it is a new feature --
not a bug fix. We will want it for Android S launch devices (5.4+), so
it would be handy to have it in 5.4.y and later.

>
> thanks,
>
> greg k-h
>
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