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4ac1755be2
In924453c225ProtectHome was set to true for systemd-coredump in order to reduce risk, since an attacker could craft a malicious binary in order to compromise systemd-coredump. At that point the object analysis was done in the main systemd-coredump process. Because of this systemd-coredump is unable to product symbolicated call-stacks for binaries running under /home ("n/a" is shown instead of function names). However, later in61aea456c1systemd-coredump was changed to do the object analysis in a forked process, covering those security concerns. Let's set ProtectHome to read-only so that systemd-coredump produces symbolicated call-stacks for processes running under /home.
45 lines
1.1 KiB
SYSTEMD
45 lines
1.1 KiB
SYSTEMD
# SPDX-License-Identifier: LGPL-2.1-or-later
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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=Process Core Dump
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Documentation=man:systemd-coredump(8)
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DefaultDependencies=no
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Conflicts=shutdown.target
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After=systemd-journald.socket
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Requires=systemd-journald.socket
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Before=shutdown.target
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[Service]
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ExecStart=-{{LIBEXECDIR}}/systemd-coredump
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IPAddressDeny=any
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LockPersonality=yes
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MemoryDenyWriteExecute=yes
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Nice=9
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NoNewPrivileges=yes
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OOMScoreAdjust=500
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PrivateDevices=yes
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PrivateNetwork=yes
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PrivateTmp=yes
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ProtectControlGroups=yes
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ProtectHome=read-only
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ProtectHostname=yes
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ProtectKernelModules=yes
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ProtectKernelTunables=yes
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ProtectKernelLogs=yes
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ProtectSystem=strict
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RestrictAddressFamilies=AF_UNIX
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RestrictRealtime=yes
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RestrictSUIDSGID=yes
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RuntimeMaxSec=5min
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StateDirectory=systemd/coredump
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SystemCallArchitectures=native
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SystemCallErrorNumber=EPERM
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SystemCallFilter=@system-service @mount
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