Merge tag 'cifs-fixes-7.3-rc5' of https://git.manguebit.org/linuxHEADmaster

Pull smb client fixes from Paulo Alcantara:

 - Fix leaked server handles and dropped errors in the SMB2 compound
   create path: a parsing error reported as success, an earlier CREATE
   left open when a later command fails, the cached directory open
   losing the FID needed for cleanup, and SMB2_open() not closing the
   handle after a create-context parse failure

 - Fix out-of-bounds reads when parsing create contexts from a
   malicious server: bound each context by its Next field, parse the
   lease and QFid contexts from their declared offsets and validate
   the POSIX create context length

 - Fix a double credit decrement, and its warning, when a compound
   send fails and triggers a reconnect; found by syzbot

 - Fix a dentry and server handle leak in cifs_atomic_open() when an
   O_CREAT open resolves to a symlink or other non-regular inode

 - Use GFP_KERNEL in the DFS get_targets() path

 - Minor update to the POSIX extension specification references

* tag 'cifs-fixes-7.3-rc5' of https://git.manguebit.org/linux:
  smb: client: use finish_no_open() for non-regular inodes
  smb: client: use GFP_KERNEL in get_targets()
  smb: client: update POSIX extension specification references
  smb: client: preserve create-context parsing errors
  smb: client: close completed creates on compound wait errors
  smb: client: clean up failed cached directory opens
  smb: client: close handle after create-context parsing failure
  smb: client: validate POSIX create context length
  smb: client: fix create context out-of-bounds reads
  smb: client: delete compound mids on send failure before unlock

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