/usr/share/texmf/fonts/enc/ is in tex-gyre 20150923-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/texmf/fonts/enc/dvips/
/usr/share/texmf/fonts/enc/dvips/tex-gyre/
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-cs-sc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-cs.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-csm-sc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-csm.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-cszc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-ec-sc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-ec.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-l7x-sc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-l7x.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-l7xzc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-qx-sc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-qx.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-qxm-sc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-qxm.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-qxzc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-rm-sc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-rm.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-rmm-sc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-rmm.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-rmzc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-t5-sc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-t5.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-texnansi-sc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-texnansi.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-texnansizc.enc
/usr/share/texmf/fonts/enc/dvips/tex-gyre/q-ts1.enc