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Bug 1983268

Summary: SELinux is preventing /usr/bin/systemctl from getattr access on the filesystem /.
Product: Red Hat Enterprise Linux 8 Reporter: Phil Baker <baker1tex>
Component: selinux-policyAssignee: Zdenek Pytela <zpytela>
Status: CLOSED DUPLICATE QA Contact: Milos Malik <mmalik>
Severity: medium Docs Contact:
Priority: medium    
Version: CentOS StreamCC: bstinson, jwboyer, kellerbe1, lvrabec, mmalik, plautrba, ssekidde
Target Milestone: betaKeywords: Triaged
Target Release: 8.5Flags: pm-rhel: mirror+
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: No Doc Update
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-07-30 12:06:22 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
Cockpit log entry
none
ausearch_output none

Description Phil Baker 2021-07-17 05:52:32 UTC 
Created attachment 1802606 [details]
Cockpit log entry

Description of problem:
SELinux is preventing /usr/bin/systemctl from getattr access on the filesystem /. The timestamp of the log in Cockpit corresponds to the boot time on my system. 

Version-Release number of selected component (if applicable):
CentOS Stream 8
selinux-policy-3.14.3-72.el8.noarch

How reproducible:
Always

Steps to Reproduce:
1.Boot system
2.Log into Cockpit
3.Check Logs

Additional info:
In my limited observation, this error appears confined to boot time,
Comment 1 Milos Malik 2021-07-22 11:33:44 UTC 
We would like to see the detailed SELinux denials.

Please run the following command on the machine where the cockpit issues appear.

# ausearch -m avc -m user_avc -m selinux_err -i -ts today

Please attach the output of the command to this bug.

Thank you.
Comment 2 kellerbe1 2021-07-30 12:00:41 UTC 
Created attachment 1809388 [details]
ausearch_output
Comment 3 Zdenek Pytela 2021-07-30 12:06:22 UTC 
Thank you for the ausearch command output, it matches bz#1979182, so we will continue there.

*** This bug has been marked as a duplicate of bug 1979182 ***
Comment 4 Phil Baker 2021-07-30 14:05:03 UTC 
Here's the output: 

[root@c2 pbaker]# ausearch -m avc -m user_avc -m selinux_err -i -ts today
----
type=PROCTITLE msg=audit(07/30/2021 13:59:51.174:11) : proctitle=systemctl show --property Listen cockpit.socket 
type=SYSCALL msg=audit(07/30/2021 13:59:51.174:11) : arch=x86_64 syscall=fstatfs success=no exit=EACCES(Permission denied) a0=0x3 a1=0x7ffc9b0e1c10 a2=0x280100 a3=0x0 items=0 ppid=888 pid=889 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=systemctl exe=/usr/bin/systemctl subj=system_u:system_r:cockpit_ws_t:s0 key=(null) 
type=AVC msg=audit(07/30/2021 13:59:51.174:11) : avc:  denied  { getattr } for  pid=889 comm=systemctl name=/ dev="dm-0" ino=128 scontext=system_u:system_r:cockpit_ws_t:s0 tcontext=system_u:object_r:fs_t:s0 tclass=filesystem permissive=0 
----
type=PROCTITLE msg=audit(07/30/2021 13:59:51.562:31) : proctitle=systemctl show --property Listen cockpit.socket 
type=SYSCALL msg=audit(07/30/2021 13:59:51.562:31) : arch=x86_64 syscall=fstatfs success=no exit=EACCES(Permission denied) a0=0x3 a1=0x7ffd2b79cdf0 a2=0x280100 a3=0x0 items=0 ppid=1177 pid=1180 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=systemctl exe=/usr/bin/systemctl subj=system_u:system_r:cockpit_ws_t:s0 key=(null) 
type=AVC msg=audit(07/30/2021 13:59:51.562:31) : avc:  denied  { getattr } for  pid=1180 comm=systemctl name=/ dev="dm-0" ino=128 scontext=system_u:system_r:cockpit_ws_t:s0 tcontext=system_u:object_r:fs_t:s0 tclass=filesystem permissive=0