/usr/arm-linux-gnueabi/libhf/libasan.so.1 is in libhfasan1-armel-cross 4.9.3-13ubuntu2cross1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/arm-linux-gnueabi/libhf/libasan.so.1.0.0
/usr/arm-linux-gnueabi/libhf/libasan.so.1.0.0