linux-kernel - Re: INFO: task hung in __blkdev

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Message-ID: <87bdec75-3c59-6587-2436-1470263ab11f@kernel.dk>
Date:   Fri, 6 Apr 2018 09:53:44 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Ming Lei <tom.leiming@...il.com>
Cc:     mingo@...hat.com, peterz@...radead.org,
        syzbot 
        <bot+48594378e9851eab70bcd6f99327c7db58c5a28a@...kaller.appspotmail.com>,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: INFO: task hung in __blkdev_get

On 4/6/18 4:12 AM, Tetsuo Handa wrote:
> ----------------------------------------
> 
> The reason of q->mq_freeze_depth == 1 turned out that loop_set_status()
> forgot to call blk_mq_unfreeze_queue() at error paths for
> info->lo_encrypt_type != NULL case.

Thanks for finding this, applied.

-- 
Jens Axboe