/usr/ is in libtruffle-java 0.6-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/com/oracle/truffle/
/usr/share/maven-repo/com/oracle/truffle/0.6/
/usr/share/
/usr/share/java/
/usr/share/java/truffle-0.6.jar
/usr/share/doc/
/usr/share/doc/libtruffle-java/
/usr/share/doc/libtruffle-java/changelog.Debian.gz
/usr/share/doc/libtruffle-java/copyright
/usr/share/maven-repo/
/usr/share/maven-repo/com/
/usr/share/maven-repo/com/oracle/
/usr/share/maven-repo/com/oracle/truffle/0.6/truffle-0.6.pom
/usr/share/maven-repo/com/oracle/truffle/debian/
/usr/share/maven-repo/com/oracle/truffle/debian/truffle-debian.pom
/usr/share/java/truffle.jar
/usr/share/maven-repo/com/oracle/truffle/0.6/truffle-0.6.jar
/usr/share/maven-repo/com/oracle/truffle/debian/truffle-debian.jar