linux-kernel - Re: [PATCH AUTOSEL 5.1 35/70] loop: Don't change loop device under exclusive opener

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Message-ID: <20190610090013.GF12765@quack2.suse.cz>
Date:   Mon, 10 Jun 2019 11:00:13 +0200
From:   Jan Kara <jack@...e.cz>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Jan Kara <jack@...e.cz>,
        syzbot+10007d66ca02b08f0e60@...kaller.appspotmail.com,
        Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 5.1 35/70] loop: Don't change loop device under
 exclusive opener

On Sat 08-06-19 07:39:14, Sasha Levin wrote:
> From: Jan Kara <jack@...e.cz>
> 
> [ Upstream commit 33ec3e53e7b1869d7851e59e126bdb0fe0bd1982 ]

Please don't push this to stable kernels because...

> [Deliberately chosen not to CC stable as a user with priviledges to
> trigger this race has other means of taking the system down and this
> has a potential of breaking some weird userspace setup]

... of this. Thanks!

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR