Re: [PATCH v3] ethtool: avoiding integer overflow in ethtool_phys_id()

On Tue, Nov 22, 2022 at 03:29:01PM +0300, Maxim Korotkov wrote:

The value of an arithmetic expression "n * id.data" is subject
to possible overflow due to a failure to cast operands to a larger data
type before performing arithmetic. Used macro for multiplication instead
operator for avoiding overflow.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Maxim Korotkov <redacted>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew