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From: Maxime Ripard <mripard@kernel.org>
To: maarten.lankhorst@linux.intel.com, tzimmermann@suse.de,
	airlied@gmail.com, simona@ffwll.ch,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Xiao Kan <814091656@qq.com>
Cc: Maxime Ripard <mripard@kernel.org>,
	w@1wt.eu, security@kernel.org, kanxiao666@gmail.com,
	xiao.kan@samsung.com
Subject: Re: [PATCH v3] drm: Account property blob allocations to memcg
Date: Fri, 16 Jan 2026 11:26:34 +0100	[thread overview]
Message-ID: <176855919221.1290479.4679401019876597826.b4-ty@kernel.org> (raw)
In-Reply-To: <tencent_D12AA2DEDE6F359E1AF59405242FB7A5FD05@qq.com>

On Wed, 14 Jan 2026 08:22:26 -0500, Xiao Kan wrote:
> DRM_IOCTL_MODE_CREATEPROPBLOB allows userspace to allocate arbitrary-sized
> property blobs backed by kernel memory.
> 
> Currently, the blob data allocation is not accounted to the allocating
> process's memory cgroup, allowing unprivileged users to trigger unbounded
> kernel memory consumption and potentially cause system-wide OOM.
> 
> [...]

Applied to misc/kernel.git (drm-misc-next).

Thanks!
Maxime

      reply	other threads:[~2026-01-16 10:26 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-03 15:25 [PATCH] drm: limit property blob creation per file Xiao Kan
2026-01-05 10:36 ` Maxime Ripard
2026-01-05 15:40   ` [PATCH v2] drm: Account property blob allocations to memcg Xiao Kan
2026-01-05 16:14   ` Xiao Kan
2026-01-13 15:56     ` Maxime Ripard
2026-01-14 13:22       ` [PATCH v3] " Xiao Kan
2026-01-16 10:26         ` Maxime Ripard [this message]

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