linux-ext4 - Re: [PATCH 1/2] ext4: Annotate data race in start_this

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Message-ID: <YHD+OQ+Wi8XMl0Hp@mit.edu>
Date:   Fri, 9 Apr 2021 21:24:09 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-ext4@...r.kernel.org,
        syzbot+30774a6acf6a2cf6d535@...kaller.appspotmail.com
Subject: Re: [PATCH 1/2] ext4: Annotate data race in start_this_handle()

On Tue, Apr 06, 2021 at 06:17:59PM +0200, Jan Kara wrote:
> Access to journal->j_running_transaction is not protected by appropriate
> lock and thus is racy. We are well aware of that and the code handles
> the race properly. Just add a comment and data_race() annotation.
> 
> Reported-by: syzbot+30774a6acf6a2cf6d535@...kaller.appspotmail.com
> Signed-off-by: Jan Kara <jack@...e.cz>

Thanks, applied.

					- Ted