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Date:   Fri, 3 May 2019 19:29:26 +0900
From:   Tetsuo Handa <>
To:     Jan Kara <>, Al Viro <>
Cc:     syzbot <>,,,,,
Subject: Re: INFO: task hung in __get_super

On 2019/05/01 0:34, Tetsuo Handa wrote:
> I still cannot understand what the problem is.
> I guessed that something went wrong with 8083 inside __getblk_gfp().
> How can loop_ctl_mutex be relevant to this problem?

syzbot got similar NMI backtrace. No loop_ctl_mutex is involved.

INFO: task hung in mount_bdev (2)

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