Running the testcase described in commit c4fcfc1619ea ("ovl: fix d_real() for stacked fs") with current yakkety kernel we get:
/tmp/tmp.9RV9VA0GY0 /home/ubuntu rocks/tmp/tmp.iGzR480rIV /tmp/tmp.9RV9VA0GY0 /home/ubuntu -rw-r--r-- 1 root root 5 jan 3 11:44 upper/ksplice cat: upper/ksplice: No such device or address With kernel 4.8.0-34.36: /tmp/tmp.KguOlPUrPE /home/ubuntu rocks/tmp/tmp.OoGxmInVGL /tmp/tmp.KguOlPUrPE /home/ubuntu -rw-r--r-- 1 root root 5 jan 3 11:52 upper/ksplice rocks Tagging as verified for yakkety. ** Tags removed: verification-needed-yakkety ** Tags added: verification-done-yakkety -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1647007 Title: overlayfs no longer supports nested overlayfs mounts, but there is a fix upstream To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1647007/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs