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https://github.com/systemd/systemd
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e76b3d4ed2
suid binaries and device nodes should not be placed there, hence forbid it. Of all the API VFS we mount from PID 1 or via a unit file this one is the only one where we didn't add MS_NODEV/MS_NOSUID. Let's address that, since there's really no reason why device nodes or suid binaries would be placed in hugetlbfs.
25 lines
775 B
SYSTEMD
25 lines
775 B
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=Huge Pages File System
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Documentation=https://docs.kernel.org/admin-guide/mm/hugetlbpage.html
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Documentation=https://www.freedesktop.org/wiki/Software/systemd/APIFileSystems
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DefaultDependencies=no
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Before=sysinit.target
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ConditionPathExists=/sys/kernel/mm/hugepages
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ConditionCapability=CAP_SYS_ADMIN
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ConditionVirtualization=!private-users
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[Mount]
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What=hugetlbfs
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Where=/dev/hugepages
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Type=hugetlbfs
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Options=nosuid,nodev
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