linux-kernel - Re: [PATCH AUTOSEL 5.17 20/21] block: Do not call folio

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Message-ID: <Ynqg7RRxiFIKrDqX@casper.infradead.org>
Date:   Tue, 10 May 2022 18:29:17 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        "Darrick J . Wong" <djwong@...nel.org>,
        Brian Foster <bfoster@...hat.com>, axboe@...nel.dk,
        linux-block@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 5.17 20/21] block: Do not call folio_next() on an
 unreferenced folio

On Tue, May 10, 2022 at 11:43:39AM -0400, Sasha Levin wrote:
> From: "Matthew Wilcox (Oracle)" <willy@...radead.org>
> 
> [ Upstream commit 170f37d6aa6ad4582eefd7459015de79e244536e ]

ACK the backport of this patch.  The problem is latent in earlier
kernels, but there's no need to leave the trap lying around.