cpio: Reports

 
 5 Reporting bugs or suggestions
 *******************************
 
 It is possible you will encounter a bug in 'cpio'.  If this happens, we
 would like to hear about it.  As the purpose of bug reporting is to
 improve software, please be sure to include maximum information when
 reporting a bug.  The information needed is:
 
    * Version of the package you are using.
    * Compilation options used when configuring the package.
    * Conditions under which the bug appears.
 
    Send your report to <bug-cpio@gnu.org>.  Allow us a couple of days to
 answer.