Public bug reported:

Binary package hint: duplicity

Ubuntu 10.10 Server 
Duplicity 0.6.11(compiled, not apt-get)

I have an Ubuntu machine importing nfs shares from my various systems,
including those exported from Windows machines (via Cygwin).  I backup
all my computers from this system; it makes maintenance easy, and
duplicity is a fantastic solution.  Unfortunately there is a segment of
code which modifies the uid and gid (in tarfile.py::getheader) for any
file whose id's are larger than 2097151 (2^21 -1), and for my Windows 7
systems, the Administrators group possesses a gid of -1, which is
interpreted as (4^32 -1).  The section of code changes these id's to
60001.  This will be a problem during disaster recovery.

I attached a patch that solves the problem by extending the gid and uid
fieldsize.

** Affects: duplicity
     Importance: Undecided
         Status: New

** Affects: duplicity (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/690549

Title:
  uid and guid setting adversely affects integrity

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