cabc1c6d7a
Add `ProtectClock=yes` to systemd units. Since it implies certain `DeviceAllow=` rules, make sure that the units have `DeviceAllow=` rules so they are still able to access other devices. Exclude timesyncd and timedated.
44 lines
1.3 KiB
SYSTEMD
44 lines
1.3 KiB
SYSTEMD
# SPDX-License-Identifier: LGPL-2.1+
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#
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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[Unit]
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Description=udev Kernel Device Manager
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Documentation=man:systemd-udevd.service(8) man:udev(7)
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DefaultDependencies=no
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After=systemd-sysusers.service systemd-hwdb-update.service
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Before=sysinit.target
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ConditionPathIsReadWrite=/sys
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[Service]
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DeviceAllow=block-* rwm
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DeviceAllow=char-* rwm
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Type=notify
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# Note that udev also adjusts the OOM score internally and will reset the value internally for its workers
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OOMScoreAdjust=-1000
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Sockets=systemd-udevd-control.socket systemd-udevd-kernel.socket
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Restart=always
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RestartSec=0
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ExecStart=@rootlibexecdir@/systemd-udevd
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ExecReload=udevadm control --reload --timeout 0
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KillMode=mixed
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TasksMax=infinity
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PrivateMounts=yes
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ProtectClock=yes
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ProtectHostname=yes
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MemoryDenyWriteExecute=yes
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RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6
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RestrictRealtime=yes
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RestrictSUIDSGID=yes
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SystemCallFilter=@system-service @module @raw-io
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SystemCallErrorNumber=EPERM
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SystemCallArchitectures=native
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LockPersonality=yes
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IPAddressDeny=any
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@SERVICE_WATCHDOG@
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