/usr/ is in libpam4j-java 1.4-2+deb9u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libpam4j-java/
/usr/share/doc/libpam4j-java/README
/usr/share/doc/libpam4j-java/changelog.Debian.gz
/usr/share/doc/libpam4j-java/copyright
/usr/share/java/
/usr/share/java/libpam4j.jar
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/jvnet/
/usr/share/maven-repo/org/jvnet/libpam4j/
/usr/share/maven-repo/org/jvnet/libpam4j/libpam4j/
/usr/share/maven-repo/org/jvnet/libpam4j/libpam4j/1.4/
/usr/share/maven-repo/org/jvnet/libpam4j/libpam4j/1.4/libpam4j-1.4.pom
/usr/share/maven-repo/org/jvnet/libpam4j/libpam4j/debian/
/usr/share/maven-repo/org/jvnet/libpam4j/libpam4j/debian/libpam4j-debian.pom
/usr/share/java/libpam4j-1.4.jar
/usr/share/maven-repo/org/jvnet/libpam4j/libpam4j/1.4/libpam4j-1.4.jar
/usr/share/maven-repo/org/jvnet/libpam4j/libpam4j/debian/libpam4j-debian.jar