** Changed in: linux (Ubuntu)
       Status: In Progress => Fix Released

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  [CIFS] Fix maximum SMB2 header size

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Vivid:
  Won't Fix
Status in linux source package in Xenial:
  Fix Released
Status in linux source package in Zesty:
  Fix Released
Status in linux source package in Artful:
  Won't Fix

Bug description:
  Currently the maximum size of SMB2/3 header is set incorrectly which
  leads to hanging of directory listing operations on encrypted SMB3
  connections. Fix this by setting the maximum size to 170 bytes that
  is calculated as RFC1002 length field size (4) + transform header
  size (52) + SMB2 header size (64) + create response size (56).


  This applies across the board 3.16, 4.4, 4.10, artful, and azure.
  Microsoft would be happy to help test.

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