Pull overlayfs updates from Amir Goldstein:

 - add verification feature needed by composefs (Alexander Larsson)

 - improve integration of overlayfs and fanotify (Amir Goldstein)

 - fortify some overlayfs code (Andrea Righi)

* tag 'ovl-update-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
  ovl: validate superblock in OVL_FS()
  ovl: make consistent use of OVL_FS()
  ovl: Kconfig: introduce CONFIG_OVERLAY_FS_DEBUG
  ovl: auto generate uuid for new overlay filesystems
  ovl: store persistent uuid/fsid with uuid=on
  ovl: add support for unique fsid per instance
  ovl: support encoding non-decodable file handles
  ovl: Handle verity during copy-up
  ovl: Validate verity xattr when resolving lowerdata
  ovl: Add versioned header for overlay.metacopy xattr
  ovl: Add framework for verity support