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Description of problem:
According the bug 1063905 a new runtime directory appeared in /run directory for kerbros but it has generic context and kerberos cannot access it.

Version-Release number of selected component (if applicable):
selinux-policy-3.12.1-125.el7
krb5-1.11.3-46.el7

How reproducible:
always

Steps to Reproduce:
time->Fri Feb 14 17:47:12 2014
type=SYSCALL msg=audit(1392396432.864:800): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7f77a6167e00 a2=6e a3=0 items=0 ppid=1 pid=18726 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="krb5kdc" exe="/usr/sbin/krb5kdc" subj=system_u:system_r:krb5kdc_t:s0 key=(null)
type=AVC msg=audit(1392396432.864:800): avc:  denied  { write } for  pid=18726 comm="krb5kdc" name="DEFAULT.socket" dev="tmpfs" ino=68322 scontext=system_u:system_r:krb5kdc_t:s0 tcontext=unconfined_u:object_r:var_run_t:s0 tclass=sock_file


# ls -ldZ /run/krb5kdc
drwxr-xr-x. root root system_u:object_r:var_run_t:s0   /run/krb5kdc
# ls -ldZ /run/krb5kdc/DEFAULT.socket 
srwxr-xr-x. root root unconfined_u:object_r:var_run_t:s0 /run/krb5kdc/DEFAULT.socket

commit 67c0660b5e55ad8d318fa57c2ff8e6e1fc3d1e3f
Author: Miroslav Grepl <mgrepl>
Date:   Mon Feb 17 09:27:38 2014 +0100

    Add labeling for /run/krb5kdc

This request was resolved in Red Hat Enterprise Linux 7.0.

Contact your manager or support representative in case you have further questions about the request.