c5bf368 (namespace) ipc/mqueue: The mqueue filesystem should never contain executables
d072065 (namespace) kernfs: The cgroup filesystem also benefits from SB_I_NOEXEC
302cabb UBUNTU: SAUCE: (namespace) Sync with upstream s_user_ns patches
a5abdcb (namespace) vfs: Pass data, ns, and ns->userns to mount_ns
28d4972c (namespace) ipc: Initialize ipc_namespace->user_ns early.
5b3bf86 (namespace) bpf, inode: disallow userns mounts
1f4464c (namespace) bpf: Use mount_nodev not mount_ns to mount the bpf filesystem
765ab2f Revert "UBUNTU: SAUCE: cgroup: Use a new super block when mounting in a cgroup namespace"
3988fb7 Revert "UBUNTU: SAUCE: kernfs: Do not match superblock in another user namespace when mounting"
f256722 Revert "UBUNTU: SAUCE: (namespace) mqueue: Super blocks must be owned by the user ns which owns the ipc ns"