From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: linux-mtd@lists.infradead.org,
Joern Engel <joern@lazybastard.org>,
Richard Weinberger <richard@nod.at>,
Vignesh Raghavendra <vigneshr@ti.com>,
linux-kernel@vger.kernel.org, Fabian Vogt <fvogt@suse.com>
Subject: Re: [PATCH] mtd: phram: Add the kernel lock down check
Date: Thu, 05 Dec 2024 11:45:32 +0100 [thread overview]
Message-ID: <87o71qv25v.fsf@bootlin.com> (raw)
In-Reply-To: <20241114154442.25920-1-tiwai@suse.de> (Takashi Iwai's message of "Thu, 14 Nov 2024 16:44:41 +0100")
On 14/11/2024 at 16:44:41 +01, Takashi Iwai <tiwai@suse.de> wrote:
> The phram MTD driver may map any memory pages no matter whether it's
> reserved or whatever used for systems, which basically allows user
> bypassing the lock down.
>
> Add the check and abort the probe if the kernel is locked down for
> LOCKDOWN_DEV_MEM.
>
> Reported-by: Fabian Vogt <fvogt@suse.com>
> Suggested-by: Fabian Vogt <fvogt@suse.com>
> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Applied to mtd/next.
Thanks,
Miquèl
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prev parent reply other threads:[~2024-12-05 10:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-14 15:44 [PATCH] mtd: phram: Add the kernel lock down check Takashi Iwai
2024-11-14 15:50 ` Richard Weinberger
2024-12-05 10:45 ` Miquel Raynal [this message]
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