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Date: Mon, 1 Jun 2026 16:40:34 +0200
From: Christoph Hellwig <hch@lst.de>
To: Qu Wenruo <wqu@suse.com>
Cc: Christoph Hellwig <hch@lst.de>, Damien Le Moal <dlemoal@kernel.org>,
	Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
	Ming Lei <tom.leiming@gmail.com>, Jens Axboe <axboe@kernel.dk>,
	Bart Van Assche <bvanassche@acm.org>,
	linux-block <linux-block@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	linux-btrfs@vger.kernel.org, David Sterba <dsterba@suse.com>,
	linux-fsdevel@vger.kernel.org,
	Christian Brauner <brauner@kernel.org>,
	Brian Foster <bfoster@redhat.com>
Subject: Re: [PATCH v3] loop: Fix NULL pointer dereference in lo_rw_aio()
Message-ID: <20260601144034.GA4918@lst.de>
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On Thu, May 28, 2026 at 07:46:24PM +0930, Qu Wenruo wrote:
>> e.g. 9c7504aa72b6 ("xfs: track and serialize in-flight async buffers against
>> unmount")
> Considering the xfs fix is pretty old, it's before the fix hint thus no 
> such mention in fstests.
>
> Do you happen to know which test case is for that fix?
> I'd like to adapt it for btrfs as a reproducer.

No.  Adding Brian who authored that commit.