tree cccc1d96359f3de3fbbe0a669e05c7f334b4a37e
parent a6362a9f2039dc47efe1f14b05be7645a1332099
author Willem de Bruijn <willemb@google.com> 1584899473 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1585840829 +0200

macsec: restrict to ethernet devices

[ Upstream commit b06d072ccc4b1acd0147b17914b7ad1caa1818bb ]

Only attach macsec to ethernet devices.

Syzbot was able to trigger a KMSAN warning in macsec_handle_frame
by attaching to a phonet device.

Macvlan has a similar check in macvlan_port_create.

v1->v2
  - fix commit message typo

Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>