[git pull] vfs.git fixes

[Al Viro]

	Assorted fixes all over the place; some of that is -stable
fodder, some - regressions from the last window.

The following changes since commit 4f5cafb5cb8471e54afdc9054d973535614f7675:

  Linux 5.4-rc3 (2019-10-13 16:37:36 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git fixes

for you to fetch changes up to 762c69685ff7ad5ad7fee0656671e20a0c9c864d:

  ecryptfs_lookup_interpose(): lower_dentry->d_parent is not stable either (2019-11-10 11:57:45 -0500)

----------------------------------------------------------------
Al Viro (7):
      autofs: fix a leak in autofs_expire_indirect()
      cgroup: don't put ERR_PTR() into fc->root
      exportfs_decode_fh(): negative pinned may become positive without the parent locked
      audit_get_nd(): don't unlock parent too early
      ecryptfs: fix unlink and rmdir in face of underlying fs modifications
      ecryptfs_lookup_interpose(): lower_dentry->d_inode is not stable
      ecryptfs_lookup_interpose(): lower_dentry->d_parent is not stable either

Eric Biggers (1):
      fs/namespace.c: fix use-after-free of mount in mnt_warn_timestamp_expiry()

Guillem Jover (1):
      aio: Fix io_pgetevents() struct __compat_aio_sigset layout

 fs/aio.c               | 10 +++---
 fs/autofs/expire.c     |  5 +--
 fs/ecryptfs/inode.c    | 84 +++++++++++++++++++++++++++++++-------------------
 fs/exportfs/expfs.c    | 31 +++++++++++--------
 fs/namespace.c         | 15 +++++----
 kernel/audit_watch.c   |  2 +-
 kernel/cgroup/cgroup.c |  5 +--
 7 files changed, 91 insertions(+), 61 deletions(-)