Yep, it looks like it was a regression that was introduced by commit 50d0998cfee ("libext2fs: add ea_inode support to set xattr"). The following patch should fix things.
** Patch added: "0001-libext2fs-fix-regression-so-we-are-correctly-transla.patch" https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/1807288/+attachment/5219885/+files/0001-libext2fs-fix-regression-so-we-are-correctly-transla.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1807288 Title: mkfs.ext4 -d $directory_with_acls leads to EINVAL To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/1807288/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs