Re: [syzbot] possible deadlock in __loop_clr_fd (3)

To: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [syzbot] possible deadlock in __loop_clr_fd (3)
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 15 Nov 2021 10:58:08 +0100
Cc: Christoph Hellwig <hch@xxxxxx>, Dan Schatzberg <schatzberg.dan@xxxxxxxxx>, Ming Lei <ming.lei@xxxxxxxxxx>, axboe@xxxxxxxxx, linux-block@xxxxxxxxxxxxxxx
In-reply-to: <7d851c88-f657-dfd8-34ab-4891ac6388dc@i-love.sakura.ne.jp>
References: <00000000000089436205d07229eb@google.com> <0e91a4b0-ef91-0e60-c0fc-e03da3b65d57@I-love.SAKURA.ne.jp> <YYxqHhzEwCqhsy1Y@dschatzberg-fedora-PC0Y6AEN.dhcp.thefacebook.com> <9e583550-7cc8-e8a9-59bf-69d415fffe16@i-love.sakura.ne.jp> <20211112062015.GA28294@lst.de> <7d851c88-f657-dfd8-34ab-4891ac6388dc@i-love.sakura.ne.jp>
User-agent: Mutt/1.5.17 (2007-11-01)

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

Follow-Ups:
- [PATCH v2] loop: don't hold lo_mutex during __loop_clr_fd()
  - From: Tetsuo Handa

References:
- [syzbot] possible deadlock in __loop_clr_fd (3)
  - From: syzbot
- Re: [syzbot] possible deadlock in __loop_clr_fd (3)
  - From: Tetsuo Handa
- Re: [syzbot] possible deadlock in __loop_clr_fd (3)
  - From: Dan Schatzberg
- Re: [syzbot] possible deadlock in __loop_clr_fd (3)
  - From: Tetsuo Handa
- Re: [syzbot] possible deadlock in __loop_clr_fd (3)
  - From: Christoph Hellwig
- Re: [syzbot] possible deadlock in __loop_clr_fd (3)
  - From: Tetsuo Handa