It was found that system umask policy is not being honored when creating XDG user directories, since Xsession sources xdg-user-dirs.sh before setting umask policy. Product bug: https://bugzilla.redhat.com/show_bug.cgi?id=1412762
Created gnome-session tracking bugs for this issue: Affects: fedora-all [bug 1455095] Created xdg-user-dirs tracking bugs for this issue: Affects: fedora-all [bug 1455096]
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2018:0842 https://access.redhat.com/errata/RHSA-2018:0842