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Date:   Wed, 1 Feb 2017 20:56:28 -0500
From:   Theodore Ts'o <tytso@....edu>
To:     Sahitya Tummala <stummala@...eaurora.org>
Cc:     Jan Kara <jack@...e.com>, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] jbd2: Fix use after free in kjournald2()

On Wed, Feb 01, 2017 at 11:01:51PM +0530, Sahitya Tummala wrote:
> Below is the synchronization issue between unmount and kjournald2
> contexts, which results into use after free issue in kjournald2().
> Fix this issue by using journal->j_state_lock to synchronize the
> wait_event() done in journal_kill_thread() and the wake_up() done
> in kjournald2().

Thanks, applied.

					- Ted

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