Re: [PATCH STABLE ONLY] add missing page refcount overflow checks

From: Sasha Levin
Date: Sun Dec 01 2019 - 11:55:22 EST


On Fri, Nov 29, 2019 at 10:03:48AM +0100, Vlastimil Babka wrote:
This collection of patches add the missing overflow checks in arch-specific
gup.c variants for x86 and s390. Those were missed in backport of 8fde12ca79af
("mm: prevent get_user_pages() from overflowing page refcount") as mainline
had a single gup.c implementation at that point. See individual patches for
details.

Queued up, thanks!

--
Thanks,
Sasha