/usr/lib/ is in libffi-platypus-perl 0.45-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.24/
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/API.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Buffer.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/ConfigData.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Declare.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Lang/
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Lang/ASM.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Lang/C.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Lang/Win32.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Memory.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Record/
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Record/TieArray.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Record.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Type/
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Type/PointerSizeBuffer.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Type/StringPointer.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus/Type.pod
/usr/lib/x86_64-linux-gnu/perl5/5.24/FFI/Platypus.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/Module/
/usr/lib/x86_64-linux-gnu/perl5/5.24/Module/Build/
/usr/lib/x86_64-linux-gnu/perl5/5.24/Module/Build/FFI.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/FFI/
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/FFI/Platypus/
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/FFI/Platypus/Platypus.bs
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/FFI/Platypus/Platypus.so
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/share/
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/share/dist/
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/share/dist/FFI-Platypus/
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/share/dist/FFI-Platypus/include/
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/share/dist/FFI-Platypus/include/ffi_util.h