You are right [1]. I thought that this would be allowed. This bug can be closed.
I needed to modify the underlying filesystems because of the following: rename() on the overlayfs gave me EOVERFLOW. Maybe you got an idea about what may cause EOVERFLOW as result to rename syscall? [1]: Last paragraph of Documentation/filesystems/overlayfs.txt: Changes to the underlying filesystems while part of a mounted overlay filesystem are not allowed. If the underlying filesystem is changed, the behavior of the overlay is undefined, though it will not result in a crash or deadlock. ** Changed in: linux (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1167305 Title: overlayfs shows some files as ????? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1167305/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs