[PATCH 1/1] fs: fat: avoid multiplication overflow

Tom Rini trini at konsulko.com
Tue Aug 15 16:43:32 CEST 2023


On Sun, Jul 30, 2023 at 04:44:04PM +0200, Heinrich Schuchardt wrote:

> The product of two 32 bit integers is a 32 bit integer. Hence
> clustcount * bytesperclust may overflow on > 4 GiB devices.
> 
> Change the type of clustcount.
> 
> Fixes: cb8af8af5ba0 ("fs: fat: support write with non-zero offset")
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>

Applied to u-boot/next, thanks!

-- 
Tom
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