Merge tag 'v6.15-rc4-ksmbd-server-fixes' of git://git.samba.org/ksmbd

Pull smb server fixes from Steve French:

 - Fix three potential use after frees: in session logoff, in krb5 auth,
   and in RPC open

 - Fix missing rc check in session setup authentication

* tag 'v6.15-rc4-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
  ksmbd: fix use-after-free in session logoff
  ksmbd: fix use-after-free in kerberos authentication
  ksmbd: fix use-after-free in ksmbd_session_rpc_open
  smb: server: smb2pdu: check return value of xa_store()