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Bug 1928365

Summary: D-Bus System Message Bus fails to start due to SELinux policy
Product: [Fedora] Fedora Reporter: Matti Linnanvuori <mattilinnanvuori>
Component: selinux-policyAssignee: Zdenek Pytela <zpytela>
Status: NEW --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: unspecified    
Version: rawhideCC: dwalsh, grepl.miroslav, lvrabec, mmalik, omosnace, plautrba, vmojzis, zpytela
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 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:

Description Matti Linnanvuori 2021-02-13 12:36:41 UTC 
Description of problem:
D-Bus System Message Bus fails to start due to SELinux policy

Version-Release number of selected component (if applicable):
3.14.7-18.fc34

How reproducible:
always

Steps to Reproduce:
1. Install snapd.
2. Upgrade to the latest Rawhide Workstation.
3. Boot the computer

Actual results:
D-Bus System Message Bus fails to start.

Expected results:
D-Bus System Message Bus starts.

Additional info:
Feb 11 21:24:23 localhost.localdomain systemd[1]: Starting D-Bus System Message Bus...
░░ Subject: A start job for unit dbus-broker.service has begun execution
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel
░░ 
░░ A start job for unit dbus-broker.service has begun execution.
░░ 
░░ The job identifier is 7552.
Feb 11 21:24:23 localhost.localdomain audit: BPF prog-id=104 op=UNLOAD
Feb 11 21:24:23 localhost.localdomain audit[1463]: AVC avc:  denied  { watch } for  pid=1463 comm="dbus-broker-lau" path="/var/lib/snapd/dbus-1/system-services" dev="dm-0" ino=351756 scontext=system_u:system_r:system_dbusd_t:s0-s0:c0.c10>
Feb 11 21:24:23 localhost.localdomain dbus-broker-launch[1463]: ERROR dirwatch_add @ ../src/util/dirwatch.c +122: Permission denied
Feb 11 21:24:23 localhost.localdomain dbus-broker-launch[1463]:       launcher_load_service_dir @ ../src/launch/launcher.c +763
Feb 11 21:24:23 localhost.localdomain dbus-broker-launch[1463]:       launcher_load_services @ ../src/launch/launcher.c +978
Feb 11 21:24:23 localhost.localdomain dbus-broker-launch[1463]:       launcher_run @ ../src/launch/launcher.c +1306
Feb 11 21:24:23 localhost.localdomain dbus-broker-launch[1463]:       run @ ../src/launch/main.c +152
Feb 11 21:24:23 localhost.localdomain dbus-broker-launch[1463]:       main @ ../src/launch/main.c +178
Feb 11 21:24:23 localhost.localdomain dbus-broker-launch[1463]: Exiting due to fatal error: -13
Feb 11 21:24:23 localhost.localdomain systemd[1]: dbus-broker.service: Main process exited, code=exited, status=1/FAILURE
░░ Subject: Unit process exited
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel
░░ 
░░ An ExecStart= process belonging to unit dbus-broker.service has exited.
░░ 
░░ The process' exit code is 'exited' and its exit status is 1.
Feb 11 21:24:23 localhost.localdomain systemd[1]: dbus-broker.service: Failed with result 'exit-code'.
░░ Subject: Unit failed
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel
░░ 
░░ The unit dbus-broker.service has entered the 'failed' state with result 'exit-code'.
Feb 11 21:24:23 localhost.localdomain systemd[1]: Failed to start D-Bus System Message Bus.
░░ Subject: A start job for unit dbus-broker.service has failed
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel
░░ 
░░ A start job for unit dbus-broker.service has finished with a failure.
░░ 
░░ The job identifier is 7552 and the job result is failed.
Feb 11 21:24:23 localhost.localdomain audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=dbus-broker comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? re>
Feb 11 21:24:23 localhost.localdomain systemd[1]: dbus-broker.service: Start request repeated too quickly.
Feb 11 21:24:23 localhost.localdomain systemd[1]: dbus-broker.service: Failed with result 'exit-code'.
░░ Subject: Unit failed
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel
░░ 
░░ The unit dbus-broker.service has entered the 'failed' state with result 'exit-code'.
Feb 11 21:24:23 localhost.localdomain systemd[1]: Failed to start D-Bus System Message Bus.
░░ Subject: A start job for unit dbus-broker.service has failed
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel
░░ 
░░ A start job for unit dbus-broker.service has finished with a failure.
░░ 
░░ The job identifier is 7655 and the job result is failed.