This file is indexed.

/usr/lib/gcc-cross/arm-linux-gnueabi/7/libatomic.so is in libgcc-7-dev-armel-cross 7.3.0-16ubuntu3cross1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/gcc-cross/arm-linux-gnueabi/7/../../../../arm-linux-gnueabi/lib/libatomic.so.1