From: Wolfram Sang <wsa@kernel.org>
To: Philipp Stanner <pstanner@redhat.com>
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
Dave Airlie <airlied@redhat.com>
Subject: Re: [PATCH] drivers/i2c: copy userspace array safely
Date: Wed, 8 Nov 2023 10:26:49 +0100 [thread overview]
Message-ID: <ZUtUWTcrqHG6MNZa@ninjato> (raw)
In-Reply-To: <20231102192612.54066-2-pstanner@redhat.com>
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On Thu, Nov 02, 2023 at 08:26:13PM +0100, Philipp Stanner wrote:
> i2c-dev.c utilizes memdup_user() to copy a userspace array. This is done
> without an overflow check.
>
> Use the new wrapper memdup_array_user() to copy the array more safely.
>
> Suggested-by: Dave Airlie <airlied@redhat.com>
> Signed-off-by: Philipp Stanner <pstanner@redhat.com>
Applied to for-current, thanks!
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prev parent reply other threads:[~2023-11-08 9:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-02 19:26 [PATCH] drivers/i2c: copy userspace array safely Philipp Stanner
2023-11-08 9:26 ` Wolfram Sang [this message]
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