/usr/ is in libjffi-java 1.2.7-10.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libjffi-java/
/usr/share/doc/libjffi-java/copyright
/usr/share/java/
/usr/share/java/jffi.jar
/usr/share/maven-repo/
/usr/share/maven-repo/com/
/usr/share/maven-repo/com/github/
/usr/share/maven-repo/com/github/jnr/
/usr/share/maven-repo/com/github/jnr/jffi/
/usr/share/maven-repo/com/github/jnr/jffi/1.2.7/
/usr/share/maven-repo/com/github/jnr/jffi/1.2.7/jffi-1.2.7.jar
/usr/share/maven-repo/com/github/jnr/jffi/1.2.7/jffi-1.2.7.pom
/usr/share/maven-repo/com/github/jnr/jffi/debian/
/usr/share/maven-repo/com/github/jnr/jffi/debian/jffi-debian.pom
/usr/share/doc/libjffi-java/changelog.Debian.gz
/usr/share/java/jffi-1.2.7.jar
/usr/share/maven-repo/com/github/jnr/jffi/debian/jffi-debian.jar