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Date: Wed, 25 Mar 2026 18:17:58 +0100
From: Andi Shyti <andi.shyti@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-arm-kernel@lists.infradead.org, 
	linux-samsung-soc@vger.kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, 
	Krzysztof Kozlowski <krzk@kernel.org>, Alim Akhtar <alim.akhtar@samsung.com>, 
	stable <stable@kernel.org>
Subject: Re: [PATCH] i2c: s3c24xx: check the size of the SMBUS message before
 using it
Message-ID: <acQYnURilS0_fTvS@zenone.zhora.eu>
References: <2026022314-rely-scrubbed-4839@gregkh>
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In-Reply-To: <2026022314-rely-scrubbed-4839@gregkh>

Hi Greg,

On Mon, Feb 23, 2026 at 06:05:15PM +0100, Greg Kroah-Hartman wrote:
> The first byte of an i2c SMBUS message is the size, and it should be
> verified to ensure that it is in the range of 0..I2C_SMBUS_BLOCK_MAX
> before processing it.
> 
> This is the same logic that was added in commit a6e04f05ce0b ("i2c:
> tegra: check msg length in SMBUS block read") to the i2c tegra driver.
> 
> Cc: Krzysztof Kozlowski <krzk@kernel.org>
> Cc: Alim Akhtar <alim.akhtar@samsung.com>
> Cc: Andi Shyti <andi.shyti@kernel.org>
> Cc: stable <stable@kernel.org>
> Assisted-by: gkh_clanker_2000
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

merged to i2c/i2c-host.

Thanks,
Andi