Hi Wei, On Tue, Mar 14, 2023 at 04:54:21PM +0000, Wei Chen wrote: > The data->block[0] variable comes from user and is a number between > 0-255. Without proper check, the variable may be very large to cause > an out-of-bounds when performing memcpy in slimpro_i2c_blkwr. > > Fix this bug by checking the value of writelen. > > Fixes: f6505fbabc42 ("i2c: add SLIMpro I2C device driver on APM X-Gene platform") > Signed-off-by: Wei Chen <harperchen1110@xxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx and... Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxx> Thanks, Andi