/usr/lib/ is in libbsd-resource-perl 1.2910-1+b1.
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/BSD/
/usr/lib/x86_64-linux-gnu/perl5/5.24/BSD/Resource.pm
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/Resource.so
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/_find_prio.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/_find_rlimit.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/_g.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/autosplit.ix
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/get_prios.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/get_rlimits.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/getpriority.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/getrlimit.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/getrusage.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/hard.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/idrss.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/inblock.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/isrss.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/ixrss.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/majflt.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/maxrss.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/minflt.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/msgrcv.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/msgsnd.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/nivcsw.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/nsignals.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/nswap.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/nvcsw.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/oublock.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/setpriority.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/setrlimit.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/soft.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/stime.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/times.al
/usr/lib/x86_64-linux-gnu/perl5/5.24/auto/BSD/Resource/utime.al