On Tue, Aug 10, 2021 at 10:55:11PM +0200, Wolfram Sang wrote: > On Thu, Jul 29, 2021 at 04:35:32PM +0200, Greg Kroah-Hartman wrote: > > If an i2c driver happens to not provide the full amount of data that a > > user asks for, it is possible that some uninitialized data could be sent > > to userspace. While all in-kernel drivers look to be safe, just be sure > > by initializing the buffer to zero before it is passed to the i2c driver > > so that any future drivers will not have this issue. > > > > Also properly copy the amount of data recvieved to the userspace buffer, > > as pointed out by Dan Carpenter. > > > > Reported-by: Eric Dumazet <edumazet@xxxxxxxxxx> > > Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > Cc: stable <stable@xxxxxxxxxxxxxxx> > > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > Fixed checkpatch warning "WARNING: Invalid email format for stable: > 'stable <stable@xxxxxxxxxxxxxxx>', prefer 'stable@xxxxxxxxxxxxxxx' " and > applied to for-current, thanks! That is a crazy warning, never even knew it was there. But as the stable maintainer, it does not look correct as both are just fine... Anyway, thanks for taking the patch! greg k-h