[GIT PULL] fscrypt fix for v6.3-rc4

[Eric Biggers]

The following changes since commit fe15c26ee26efa11741a7b632e9f23b01aca4cc6:

  Linux 6.3-rc1 (2023-03-05 14:52:03 -0800)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/fs/fscrypt/linux.git tags/fscrypt-for-linus

for you to fetch changes up to 4bcf6f827a79c59806c695dc280e763c5b6a6813:

  fscrypt: check for NULL keyring in fscrypt_put_master_key_activeref() (2023-03-18 21:08:03 -0700)

----------------------------------------------------------------

Fix a bug where when a filesystem was being unmounted, the fscrypt
keyring was destroyed before inodes have been released by the Landlock
LSM.  This bug was found by syzbot.

----------------------------------------------------------------
Eric Biggers (3):
      fscrypt: destroy keyring after security_sb_delete()
      fscrypt: improve fscrypt_destroy_keyring() documentation
      fscrypt: check for NULL keyring in fscrypt_put_master_key_activeref()

 fs/crypto/keyring.c | 23 +++++++++++++----------
 fs/super.c          | 15 ++++++++++++---
 2 files changed, 25 insertions(+), 13 deletions(-)