On Fri, Jan 31, 2020 at 3:27 PM 'Eric Dumazet' via syzkaller
[off-list ref] wrote:

NLA_BINARY can be confusing, since .len value represents
the max size of the blob.

cls_rsvp really wants user space to provide long enough data
for TCA_RSVP_DST and TCA_RSVP_SRC attributes.

To clarify: for NLA_UNSPEC (0), len is the minimum length.

Acked-by: Cong Wang <redacted>