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Bug 1598201

Summary: avc: denied { map } comm="systemd-sysctl" path="/etc/ld.so.cache" on rhel-alt-7.6 s390x installation
Product: Red Hat Enterprise Linux 7 Reporter: Edjunior Barbosa Machado <emachado>
Component: selinux-policyAssignee: Lukas Vrabec <lvrabec>
Status: CLOSED NOTABUG QA Contact: Milos Malik <mmalik>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.6-AltCC: lvrabec, mgrepl, mmalik, plautrba, ssekidde
Target Milestone: rc   
Target Release: ---   
Hardware: s390x   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-07-17 21:40:25 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
/distribution/install/Sysinfo logfile none

Description Edjunior Barbosa Machado 2018-07-04 15:38:29 UTC 
Created attachment 1456520 [details]
/distribution/install/Sysinfo logfile

Description of problem:

AVC failures are occurring during RHEL-ALT-7.6-20180626.3 Server s390x installation via beaker (https://beaker.engineering.redhat.com/recipes/5348461#task75053690):

******** SElinux AVC Failures ********
[    5.523065] audit: type=1400 audit(1530711965.557:4): avc:  denied  { map } for  pid=852 comm="systemd-sysctl" path="/etc/ld.so.cache" dev="dm-0" ino=17492956 scontext=system_u:system_r:systemd_sysctl_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
[    5.631601] audit: type=1400 audit(1530711965.667:5): avc:  denied  { map } for  pid=870 comm="systemd-tmpfile" path="/etc/ld.so.cache" dev="dm-0" ino=17492956 scontext=system_u:system_r:systemd_tmpfiles_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
[    5.644381] audit: type=1400 audit(1530711965.687:6): avc:  denied  { map } for  pid=868 comm="systemd-hwdb" path="/etc/ld.so.cache" dev="dm-0" ino=17492956 scontext=system_u:system_r:systemd_hwdb_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
[    5.746727] audit: type=1400 audit(1530711965.787:7): avc:  denied  { map } for  pid=897 comm="hostname" path="/etc/ld.so.cache" dev="dm-0" ino=17492956 scontext=system_u:system_r:hostname_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
[    7.372538] audit: type=1400 audit(1530711967.407:8): avc:  denied  { map } for  pid=1115 comm="restorecon" path="/etc/ld.so.cache" dev="dm-0" ino=17492956 scontext=system_u:system_r:setfiles_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
[    7.384807] audit: type=1400 audit(1530711967.427:9): avc:  denied  { map } for  pid=1117 comm="systemd-tmpfile" path="/etc/ld.so.cache" dev="dm-0" ino=17492956 scontext=system_u:system_r:systemd_tmpfiles_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
******** End System Information ********

This problem was not found when installing in other architectures.

Version-Release number of selected component (if applicable):
selinux-policy-3.13.1-204.el7.noarch

How reproducible:
2 of 2 attempts when installing RHEL-ALT-7.6-20180626.3 Server s390x on beaker

Actual results:
/distribution/install/Sysinfo logfile attached

Expected results:
No AVC failures
Comment 2 Milos Malik 2018-07-09 10:25:53 UTC 
The /etc/ld.so.cache file is mislabeled, because SELinux denials mentioned above show tcontext=system_u:object_r:etc_t:s0. Correct label is:

# matchpathcon /etc/ld.so.cache 
/etc/ld.so.cache	system_u:object_r:ld_so_cache_t:s0
#

Please run following command, which corrects the label:

# restorecon -Rv /etc
Comment 3 Lukas Vrabec 2018-07-17 21:40:25 UTC 
Based on comment#2 closing this ticket.