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From: Yu Kuai <yukuai3@huawei.com>
To: Guillaume Morin <guillaume@morinfr.org>,
	Yu Kuai <yukuai1@huaweicloud.com>
Cc: <linux-raid@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<song@kernel.org>
Subject: Re: [BUG] possible race between md_free_disk and md_notify_reboot
Date: Thu, 20 Feb 2025 11:19:40 +0800	[thread overview]
Message-ID: <53e93d6e-7b73-968b-c5f2-92d1b124ecd5@huawei.com> (raw)
In-Reply-To: <82BF5B2B-7508-47DB-9845-8A5F19E0D0E5@morinfr.org>

Hi,

在 2025/02/20 11:05, Guillaume Morin 写道:
> how it was guaranteed that mddev_get() would fail as mddev_free() does not check or synchronize with the active atomic

Please check how mddev is freed, start from mddev_put(). There might be
something wrong, but it's not what you said.

  reply	other threads:[~2025-02-20  3:19 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-19 19:43 Guillaume Morin
2025-02-20  1:26 ` Yu Kuai
2025-02-20  3:05   ` Guillaume Morin
2025-02-20  3:19     ` Yu Kuai [this message]
2025-02-20  3:45       ` Guillaume Morin
2025-02-20  4:06         ` Yu Kuai
2025-02-20 11:55           ` Yu Kuai
2025-02-20 13:39             ` Guillaume Morin
2025-02-21  1:27               ` Yu Kuai
2025-02-21 15:19                 ` Guillaume Morin
2025-02-22  1:08                   ` Yu Kuai

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