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

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Message-ID: <20191201165510.GT5861@sasha-vm>
Date:   Sun, 1 Dec 2019 11:55:10 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     stable@...r.kernel.org,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>,
        Matthew Wilcox <willy@...radead.org>,
        Ajay Kaher <akaher@...are.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH STABLE ONLY] add missing page refcount overflow checks

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