Multiuser mounted SMB shares can not be accessed by users other than root

Solution Verified - Updated -

Issue

  • CIFS mounts stopped working after kernel update.
  • The initial mount as root works ok, and root can see files. But when users try to view files in the mount, they get permission denied.

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • SMB or SMB2 mounted with multiuser
  • NTLM/NTLMSSP based security

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