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Description of problem:
pwconv creates /etc/shadow with incorrect context -> this then breaks the system  quite bad.

# ll -Z /etc/shadow*
-r--------. root root system_u:object_r:shadow_t:s0    /etc/shadow
----------. root root system_u:object_r:shadow_t:s0    /etc/shadow-
# pwunconv
# pwconv 
# ll -Z /etc/shadow*
-r--------. root root unconfined_u:object_r:etc_t:s0   /etc/shadow
----------. root root system_u:object_r:shadow_t:s0    /etc/shadow-

Version-Release number of selected component (if applicable):
shadow-utils-4.1.4.3-14.el7

How reproducible:
100%

Steps to Reproduce:
1. pwunconv
2. pwconv
3. ll -Z /etc/shadow*
  
Actual results:
/etc/shadow has incorrect SELinux context

Expected results:
/etc/shadow has correct SELinux context

fixed in shadow-utils >= 4.1.5-2

* Wed Mar 22 2012 Peter Vrabec <pvrabec> - 2:4.1.5-2
- fix selinux context handling
- reset selinux context on files copied from skel