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!
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