From: Carlos Maiolino <cem@kernel.org>
To: djwong@kernel.org, Binbin Deng <18983559317@163.com>
Cc: linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH v1] xfs: set healthmon mount cookie before publishing it
Date: Tue, 03 Nov 2026 11:02:25 +0100 [thread overview]
Message-ID: <179370014586.413123.10104508891593461029.b4-ty@kernel.org> (raw)
In-Reply-To: <20261015080225.45215-1-18983559317@163.com>
On Thu, 15 Oct 2026 16:02:25 +0800, Binbin Deng wrote:
> xfs_ioc_health_monitor() allocates the healthmon object with kzalloc(), so
> mount_cookie starts as zero. zero is also DETACHED_MOUNT_COOKIE, but
> xfs_healthmon_attach() publishes hm through mp->m_healthmon before storing
> the mount cookie. A concurrent reporter can therefore acquire hm from
> xfs_healthmon_get(), see the detached cookie in xfs_healthmon_push(), and
> drop the event even though the monitor is being attached.
>
> [...]
Applied to for-next, thanks!
[1/1] xfs: set healthmon mount cookie before publishing it
commit: 0344a9492efac4c79202a07cf284a382f7054170
Best regards,
--
Carlos Maiolino <cem@kernel.org>
prev parent reply other threads:[~2026-11-03 10:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-15 8:02 Binbin Deng
2026-10-15 14:38 ` Darrick J. Wong
2026-10-27 15:16 ` Christoph Hellwig
2026-11-03 10:02 ` Carlos Maiolino [this message]
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