Messages in this thread | | | Date | Tue, 22 Nov 2022 15:49:40 +0100 | From | Andrew Lunn <> | Subject | Re: [PATCH v3] ethtool: avoiding integer overflow in ethtool_phys_id() |
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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 <korotkov.maxim.s@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
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