Re: [PATCH 4.19 00/72] 4.19.39-stable review

From: Greg Kroah-Hartman
Date: Sat May 04 2019 - 03:19:29 EST

On Sat, May 04, 2019 at 08:54:47AM +0200, Pavel Machek wrote:
> On Thu 2019-05-02 17:20:22, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 4.19.39 release.
> > There are 72 patches in this series, all will be posted as a response
> > to this one. If anyone has any issues with these being applied, please
> > let me know.
> >
> > Responses should be made by Sat 04 May 2019 02:32:17 PM UTC.
> > Anything received after that time might be too late.
> These do not meet stable criteria afaict: (3-5... I see this is
> probably security bug; it would be good to mention in the preparation
> patches what is going on because otherwise it is tricky to understand).

I do not do "explain why specific patches are applied" because yes,
sometimes it is due to security issues that we know about.

> ?? 03/72] mm: make page ref count overflow check tighter and m -- not sure description is good enough; preparation for later changes?
> ?? 04/72] mm: add try_get_page() helper function -- adds unused function
> ?? 05/72] mm: prevent get_user_pages() from overflowing page r -- over
> 100 line limit and depedns on previous patches. get_gate_page() change
> not in -rc?.. it is in -next.

These are all well-known as solving a public security issue, please see
lkml for the details, no need for you to "guess".

thanks for the review.

greg k-h