Merge tag 'cifs-fixes-7.3-rc1' of https://git.manguebit.org/linux

Pull smb client updates from Paulo Alcantara:

 - clear sensitive data after use (stack and heap cryptographic
   keys/hashes)

 - file size and cache synchronization fixes (fscache cookie
   serialization and truncation handling)

 - protocol validation and buffer safety fixes (prevent OOB access and
   loff_t underflow)

 - metadata and POSIX attribute fixes (proper hard-link counts and
   setuid/setgid stripping)

 - DFS cache and unmount fixes (prevent target-hint UAF and unmount
   hangs)

 - general client improvements (fix read request leaks, stats loops,
   handle servers that don't support O_TMPFILE)

* tag 'cifs-fixes-7.3-rc1' of https://git.manguebit.org/linux: (33 commits)
  cifs: fix loff_t underflow in cifs_remap_file_range() when len == 0
  smb: client: reject a tree connect response whose byte count is too small
  cifs: call pagecache_isize_extended() in cifs_setsize() when extending
  smb: client: fix copy-paste error in WSL EA length accounting for $LXDEV
  smb: client: remove redundant NULL check before kfree()
  smb: client: restore the data_offset bound in is_valid_oplock_break()
  cifs: clear tcon after cifsFileInfo_put() in cifs_file_set_size()
  smb: client: Avoid leaking sensitive data to the heap in connect.c
  smb: client: Clear sensitive stack data in smb1encrypt.c
  smb: client: Clear sensitive stack data in cifsencrypt.c
  smb: client: Clear sensitive stack and heap data in smb2ops.c
  smb: client: Clear sensitive stack data in smb2transport.c
  Revert "cifs: remove all cifs files before kill super"
  smb: client: fix use-before-check of ReparseDataLength in reparse_buf_ptr()
  smb: client: fix ALIGN() overflow in symlink_data() error context loop
  smb: client: simplify __build_path_from_dentry_optional_prefix()
  smb: client: fix UAF and buffer leak in cifs_check_trans2() for malformed secondary T2
  smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2()
  smb/client: decode reparse metadata using its payload type
  smb/client: preserve open info type across compound queries
  ...

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