Description of problem:
SELinux is preventing ibus-daemon from using the 'signull' accesses on a process.

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

If you believe that ibus-daemon should be allowed signull access on processes labeled unconfined_dbusd_t 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 'ibus-daemon' --raw | audit2allow -M my-ibusdaemon
# semodule -X 300 -i my-ibusdaemon.pp

Additional Information:
Source Context                system_u:system_r:xdm_t:s0-s0:c0.c1023
Target Context                unconfined_u:unconfined_r:unconfined_dbusd_t:s0-s0
                              :c0.c1023
Target Objects                Unknown [ process ]
Source                        ibus-daemon
Source Path                   ibus-daemon
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           
Target RPM Packages           
Policy RPM                    <Unknown>
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     (removed)
Platform                      Linux (removed) 4.7.3-201.pf.skylake.fc24.x86_64
                              #1 SMP Sat Sep 10 07:44:46 UTC 2016 x86_64 x86_64
Alert Count                   2
First Seen                    2016-10-18 19:39:33 EDT
Last Seen                     2016-10-18 19:39:33 EDT
Local ID                      8aad20c6-a962-4000-ae5b-69fa3a4864e8

Raw Audit Messages
type=AVC msg=audit(1476833973.952:165): avc:  denied  { signull } for  pid=1241 comm="gnome-shell" scontext=system_u:system_r:xdm_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_dbusd_t:s0-s0:c0.c1023 tclass=process permissive=0


Hash: ibus-daemon,xdm_t,unconfined_dbusd_t,process,signull


Additional info:
reporter:       libreport-2.8.0
hashmarkername: setroubleshoot
kernel:         4.8.6-302.pf.skylake.fc25.x86_64
type:           libreport

Potential duplicate: bug 1341292