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Date: Mon, 8 Jun 2026 21:57:58 +0300
From: Mike Rapoport <rppt@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>, David Carlier <devnexen@gmail.com>,
	David Hildenbrand <david@kernel.org>,
	Heechan Kang <gganji11@naver.com>,
	"Liam R. Howlett" <liam@infradead.org>,
	Michael Bommarito <michael.bommarito@gmail.com>,
	Peter Xu <peterx@redhat.com>, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Sasha Levin <sashal@kernel.org>
Subject: Re: [PATCH v2 1/3] userfaultfd: verify VMA state across UFFDIO_COPY
 retry
Message-ID: <aicQtr1tbnhhqmtw@kernel.org>
References: <20260527184751.4147364-1-rppt@kernel.org>
 <20260527184751.4147364-2-rppt@kernel.org>
 <ahhAHNSZOeW49ms2@lucifer>
 <ahhUM0A8-q0UqFv1@kernel.org>
 <aia8nKXtShnhQpVY@lucifer>
 <20260608093918.68ce9d7d5694380e3055e293@linux-foundation.org>
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In-Reply-To: <20260608093918.68ce9d7d5694380e3055e293@linux-foundation.org>

On Mon, Jun 08, 2026 at 09:39:18AM -0700, Andrew Morton wrote:
> On Mon, 8 Jun 2026 14:03:11 +0100 Lorenzo Stoakes <ljs@kernel.org> wrote:
> 
> > > > > Fixes: 292411fda25b ("mm/userfaultfd: detect VMA type change after copy retry in mfill_copy_folio_retry()")
> > > > > Fixes: 6ab703034f14 ("userfaultfd: mfill_atomic(): remove retry logic")
> > > >
> > > > Did we want a Cc: Stable?
> > >
> > > Andrew adds it when applying.
> > 
> > Hmm, I didn't think this always happened by default? :)
> 
> Nope, adding cc:stable is manual, case-by-case and the -stable
> maintainers have been asked not to automatically backport MM patches
> which contain Fixes:.
> 
> So this one snuck into mainline without the cc:stable tag.
> 
> Thanks for noticing.  Greg, Sasha: can we please add mainline's
> 85668fda932a ("userfaultfd: verify VMA state across UFFDIO_COPY retry")
> to the backporting pile?

There is no need to backport, both commits that 85668fda932a fixes are in
7.1.

-- 
Sincerely yours,
Mike.