/usr/ is in libkf5crash-dev 5.18.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/KF5/KCrash/
/usr/share/
/usr/share/doc/
/usr/share/doc/libkf5crash-dev/
/usr/share/doc/libkf5crash-dev/copyright
/usr/include/
/usr/include/KF5/
/usr/include/KF5/KCrash/kcrash.h
/usr/include/KF5/KCrash/KCrash
/usr/include/KF5/KCrash/kcrash_export.h
/usr/include/KF5/kcrash_version.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/qt5/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_KCrash.pri
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5Crash/
/usr/lib/x86_64-linux-gnu/cmake/KF5Crash/KF5CrashTargets.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Crash/KF5CrashTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Crash/KF5CrashConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Crash/KF5CrashConfig.cmake
/usr/share/doc/libkf5crash-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libKF5Crash.so