/usr/src/linux-headers-4.4.0-1074-aws/block is in linux-headers-4.4.0-1074-aws 4.4.0-1074.84.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/src/linux-headers-4.4.0-1074-aws/../linux-aws-headers-4.4.0-1074/block