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From: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
To: Jan Kara <jack@suse.cz>, Al Viro <viro@zeniv.linux.org.uk>
Cc: syzbot <syzbot+10007d66ca02b08f0e60@syzkaller.appspotmail.com>,
	axboe@kernel.dk, dvyukov@google.com,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	syzkaller-bugs@googlegroups.com
Subject: Re: INFO: task hung in __get_super
Date: Fri, 3 May 2019 19:29:26 +0900	[thread overview]
Message-ID: <71265ac6-c127-838f-d129-a9a95f755ecf@i-love.sakura.ne.jp> (raw)
In-Reply-To: <aa220178-58d8-ffb7-399b-1d04e92e916f@i-love.sakura.ne.jp>

On 2019/05/01 0:34, Tetsuo Handa wrote:
> I still cannot understand what the problem is.
(...snipped...)
> 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)
https://syzkaller.appspot.com/bug?id=d9b9fa1428ff2466de64fc85256e769f516cea58

  reply	other threads:[~2019-05-03 10:30 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-01 17:08 INFO: task hung in __get_super syzbot
2018-06-19 11:44 ` Tetsuo Handa
2018-06-19 11:53   ` Dmitry Vyukov
2018-06-19 14:10     ` Tetsuo Handa
2018-06-19 14:15       ` Dmitry Vyukov
2018-06-20  1:15         ` Tetsuo Handa
2019-04-28 18:14 ` syzbot
2019-04-28 18:51   ` Al Viro
2019-04-29  1:38     ` Tetsuo Handa
2019-04-29  5:30     ` Dmitry Vyukov
2019-04-30  2:55     ` Jan Kara
2019-04-30  3:11       ` Al Viro
2019-04-30 13:07         ` Jan Kara
2019-04-30 13:18           ` Al Viro
2019-04-30 15:07             ` Jan Kara
2019-04-30 15:34               ` Tetsuo Handa
2019-05-03 10:29                 ` Tetsuo Handa [this message]
2019-05-14  5:15   ` Tetsuo Handa
2019-05-15  1:02   ` Tetsuo Handa
2019-05-15 10:21     ` Jan Kara
2019-05-15 11:32       ` Tetsuo Handa
2019-05-15 13:07         ` Jan Kara
2019-05-16 11:48           ` Jan Kara
2019-05-16 12:17             ` Tetsuo Handa
2019-05-16 12:32               ` Jan Kara
2019-05-16 12:50                 ` Tetsuo Handa
2019-05-16 12:33             ` syzbot
2019-05-15 11:59       ` syzbot

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