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Bug 1634650

Summary: SELinux is preventing dictd from 'map' accesses on the file /var/lib/dictd/gcide.index.
Product: [Fedora] Fedora Reporter: "FeRD" (Frank Dana) <ferdnyc>
Component: selinux-policyAssignee: Lukas Vrabec <lvrabec>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 28CC: dwalsh, lvrabec, mgrepl, plautrba
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard: abrt_hash:5766ee12415755459c265473be70573cc44c342dc6009a195bf8c9cb66b890d8;
Fixed In Version: selinux-policy-3.14.1-44.fc28 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-10-09 03:09:33 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description "FeRD" (Frank Dana) 2018-10-01 09:04:52 UTC
Description of problem:
* Installed dictd-server.rpm

* Placed dictionary files in /var/lib/dictd/ (after creating it)
   - (Dictionary files were automatically labeled dictd_var_lib_t)

* Attempt to start dictd with `sudo systemctl start dictd.service`

This produced the selinux denial shown, and dictd failed to start.

Running `sudo dictd` from the command line did successfully start the server.

The following policy (generated with `audit2allow` as dictd_map.te, then
compiled with checkpolicy and loaded using `sudo semodule -i dictd_map.pp`)
eliminated the alert and allowed `sudo systemctl start dictd.service` to
successfully launch an operational dict protocol server.

module dictd_map 1.0;

require {
	type dictd_t;
	type dictd_var_lib_t;
	class file map;

#============= dictd_t ==============
# src="dictd_t" tgt="dictd_var_lib_t" class="file", perms="map"
# comm="dictd" exe="" path=""
allow dictd_t dictd_var_lib_t:file map;
SELinux is preventing dictd from 'map' accesses on the file /var/lib/dictd/gcide.index.

*****  Plugin catchall (100. confidence) suggests   **************************

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

Additional Information:
Source Context                system_u:system_r:dictd_t:s0
Target Context                unconfined_u:object_r:dictd_var_lib_t:s0
Target Objects                /var/lib/dictd/gcide.index [ file ]
Source                        dictd
Source Path                   dictd
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           
Target RPM Packages           
Policy RPM                    selinux-policy-3.14.1-42.fc28.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     (removed)
Platform                      Linux (removed) 4.18.9-200.fc28.x86_64 #1 SMP Thu
                              Sep 20 02:43:23 UTC 2018 x86_64 x86_64
Alert Count                   3
First Seen                    2018-10-01 04:05:28 EDT
Last Seen                     2018-10-01 04:06:55 EDT
Local ID                      248ae5cf-459b-4eaf-8c3c-56babe5af4f4

Raw Audit Messages
type=AVC msg=audit(1538381215.688:1713): avc:  denied  { map } for  pid=23508 comm="dictd" path="/var/lib/dictd/gcide.index" dev="dm-0" ino=794726 scontext=system_u:system_r:dictd_t:s0 tcontext=unconfined_u:object_r:dictd_var_lib_t:s0 tclass=file permissive=0

Hash: dictd,dictd_t,dictd_var_lib_t,file,map

Version-Release number of selected component:

Additional info:
component:      selinux-policy
reporter:       libreport-2.9.5
hashmarkername: setroubleshoot
kernel:         4.18.9-200.fc28.x86_64
type:           libreport

Comment 1 Lukas Vrabec 2018-10-03 10:21:58 UTC
commit ff6d7f41cdba4524422558bf381447c1f8181014 (HEAD -> rawhide)
Author: Lukas Vrabec <lvrabec>
Date:   Wed Oct 3 12:21:22 2018 +0200

    Allow dictd_t domain to mmap dictd_var_lib_t files BZ(1634650)

Comment 2 Fedora Update System 2018-10-05 08:51:32 UTC
selinux-policy-3.14.1-44.fc28 has been submitted as an update to Fedora 28.

Comment 3 Fedora Update System 2018-10-05 19:32:22 UTC
selinux-policy-3.14.1-44.fc28 has been pushed to the Fedora 28 testing repository. If problems still persist, please make note of it in this bug report.
See for
instructions on how to install test updates.
You can provide feedback for this update here:

Comment 4 Fedora Update System 2018-10-09 03:09:33 UTC
selinux-policy-3.14.1-44.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.