Bug 1634650 - SELinux is preventing dictd from 'map' accesses on the file /var/lib/dictd/gcide.index.
Summary: SELinux is preventing dictd from 'map' accesses on the file /var/lib/dictd/gc...
Alias: None
Product: Fedora
Classification: Fedora
Component: selinux-policy
Version: 28
Hardware: x86_64
OS: Unspecified
Target Milestone: ---
Assignee: Lukas Vrabec
QA Contact: Fedora Extras Quality Assurance
Whiteboard: abrt_hash:5766ee12415755459c265473be7...
Depends On:
TreeView+ depends on / blocked
Reported: 2018-10-01 09:04 UTC by "FeRD" (Frank Dana)
Modified: 2018-10-09 03:09 UTC (History)
4 users (show)

Fixed In Version: selinux-policy-3.14.1-44.fc28
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed: 2018-10-09 03:09:33 UTC
Type: ---

Attachments (Terms of Use)

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. https://bodhi.fedoraproject.org/updates/FEDORA-2018-5e18426088

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 https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-5e18426088

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.

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