Re: [PATCH] i2c: s3c24xx: check the size of the SMBUS message before using it

From: Andi Shyti

Date: Wed Mar 25 2026 - 13:23:42 EST


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@xxxxxxxxxx>
> Cc: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
> Cc: Andi Shyti <andi.shyti@xxxxxxxxxx>
> Cc: stable <stable@xxxxxxxxxx>
> Assisted-by: gkh_clanker_2000
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

merged to i2c/i2c-host.

Thanks,
Andi