Joe Perches 077cb37fcf ethtool: Use kcalloc instead of kmalloc for ethtool_get_strings ...

It seems that kernel memory can leak into userspace by a
kmalloc, ethtool_get_strings, then copy_to_user sequence.

Avoid this by using kcalloc to zero fill the copied buffer.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

2015-10-14 19:00:20 -07:00

48 KiB

Raw Blame History

View Raw