Bug 1661728 - SELinux is preventing cupsd from 'getattr' accesses on the file /var/cache/cups/job.cache.O.
Summary: SELinux is preventing cupsd from 'getattr' accesses on the file /var/cache/cu...
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Fedora
Classification: Fedora
Component: selinux-policy
Version: rawhide
Hardware: x86_64
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Zdenek Pytela
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: abrt_hash:1d2ae906e32f222c71303204579...
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-12-22 17:46 UTC by Mikhail
Modified: 2018-12-27 12:19 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-12-27 12:19:48 UTC


Attachments (Terms of Use)

Description Mikhail 2018-12-22 17:46:48 UTC
Description of problem:
SELinux is preventing cupsd from 'getattr' accesses on the file /var/cache/cups/job.cache.O.

*****  Plugin restorecon (99.5 confidence) suggests   ************************

If you want to fix the label. 
/var/cache/cups/job.cache.O default label should be cupsd_rw_etc_t.
Then you can run restorecon. The access attempt may have been stopped due to insufficient permissions to access a parent directory in which case try to change the following command accordingly.
Do
# /sbin/restorecon -v /var/cache/cups/job.cache.O

*****  Plugin catchall (1.49 confidence) suggests   **************************

If you believe that cupsd should be allowed getattr access on the job.cache.O file by default.
Then you should report this as a bug.
You can generate a local policy module to allow this access.
Do
allow this access for now by executing:
# ausearch -c 'cupsd' --raw | audit2allow -M my-cupsd
# semodule -X 300 -i my-cupsd.pp

Additional Information:
Source Context                system_u:system_r:cupsd_t:s0-s0:c0.c1023
Target Context                system_u:object_r:unlabeled_t:s0
Target Objects                /var/cache/cups/job.cache.O [ file ]
Source                        cupsd
Source Path                   cupsd
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           
Target RPM Packages           
Policy RPM                    selinux-policy-3.14.3-15.fc30.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     (removed)
Platform                      Linux (removed) 4.20.0-0.rc7.git1.1.fc30.x86_64 #1
                              SMP Tue Dec 18 22:52:01 UTC 2018 x86_64 x86_64
Alert Count                   1
First Seen                    2018-12-22 22:39:11 +05
Last Seen                     2018-12-22 22:39:11 +05
Local ID                      81009296-f8c2-4a94-8dd0-677baf8429bf

Raw Audit Messages
type=AVC msg=audit(1545500351.151:127): avc:  denied  { getattr } for  pid=1165 comm="cupsd" path="/var/cache/cups/job.cache.O" dev="nvme0n1p2" ino=3015317 scontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=file permissive=0


Hash: cupsd,cupsd_t,unlabeled_t,file,getattr

Version-Release number of selected component:
selinux-policy-3.14.3-15.fc30.noarch

Additional info:
component:      selinux-policy
reporter:       libreport-2.9.7
hashmarkername: setroubleshoot
kernel:         4.20.0-0.rc7.git1.1.fc30.x86_64
type:           libreport

Comment 1 Zdenek Pytela 2018-12-27 12:19:48 UTC
Hi,

It looks like the file in the setroubleshoot report has incorrect label. The unlabeled_t label is displayed when a file was created in SELinux disabled state or when its actual label does not currently exist. Along with the restorecon plugin suggestion, you can fix the label with a single command:

  # /sbin/restorecon -v /var/cache/cups/job.cache.O

or relabel all filesystems:

  # fixfiles onboot

and reboot the system.

Closing as NOTABUG. Feel free to reopen the bugzilla if the issue persists.


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