Add validation to pointer constructed from the IPv4 header length
in order to prevent malformed packets from generating a potential
out of bounds memory read.
Fixes: 09150784a776 ("net/bonding: burst mode hash calculation")
Cc: stable@dpdk.org
Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
Acked-by: Chas Williams <chas3@att.com>
726158060d