/usr/lib/x86_64-linux-gnu/ is in scidavis 1.D9-1.
This file is owned by root:root, with mode 0o755.
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/usr/lib/x86_64-linux-gnu/scidavis/
/usr/lib/x86_64-linux-gnu/scidavis/plugins/
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libfitRational1.so.1.0.0
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libfitRational0.so.1.0.0
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libexp_saturation.so.1.0.0
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libexplin.so.1.0.0
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libplanck_wavelength.so.1.0.0
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libplanck_wavelength.so
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libfitRational0.so
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libfitRational1.so
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libexp_saturation.so.1.0
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libexp_saturation.so
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libexplin.so.1
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libfitRational0.so.1.0
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libplanck_wavelength.so.1
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libexplin.so.1.0
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libexp_saturation.so.1
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libfitRational1.so.1
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libfitRational1.so.1.0
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libfitRational0.so.1
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libplanck_wavelength.so.1.0
/usr/lib/x86_64-linux-gnu/scidavis/plugins/libexplin.so