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eec8fd0277
Original cgroup v2 eBPF code for filtering device access made it
possible to compile with CONFIG_CGROUP_DEVICE=n and still use the eBPF
filtering. Change
commit 4b7d4d453f ("device_cgroup: Export devcgroup_check_permission")
reverted this, making it required to set it to y.
Since the device filtering (and all the docs) for cgroup v2 is no longer
a "device controller" like it was in v1, someone might compile their
kernel with CONFIG_CGROUP_DEVICE=n. Then (for linux 5.5+) the eBPF
filter will not be invoked, and all processes will be allowed access
to all devices, no matter what the eBPF filter says.
Signed-off-by: Odin Ugedal <odin@ugedal.com>
Acked-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
39 lines
1.3 KiB
Makefile
39 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the kernel security code
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#
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obj-$(CONFIG_KEYS) += keys/
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subdir-$(CONFIG_SECURITY_SELINUX) += selinux
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subdir-$(CONFIG_SECURITY_SMACK) += smack
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subdir-$(CONFIG_SECURITY_TOMOYO) += tomoyo
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subdir-$(CONFIG_SECURITY_APPARMOR) += apparmor
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subdir-$(CONFIG_SECURITY_YAMA) += yama
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subdir-$(CONFIG_SECURITY_LOADPIN) += loadpin
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subdir-$(CONFIG_SECURITY_SAFESETID) += safesetid
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subdir-$(CONFIG_SECURITY_LOCKDOWN_LSM) += lockdown
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subdir-$(CONFIG_BPF_LSM) += bpf
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# always enable default capabilities
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obj-y += commoncap.o
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obj-$(CONFIG_MMU) += min_addr.o
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# Object file lists
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obj-$(CONFIG_SECURITY) += security.o
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obj-$(CONFIG_SECURITYFS) += inode.o
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obj-$(CONFIG_SECURITY_SELINUX) += selinux/
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obj-$(CONFIG_SECURITY_SMACK) += smack/
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obj-$(CONFIG_SECURITY) += lsm_audit.o
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obj-$(CONFIG_SECURITY_TOMOYO) += tomoyo/
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obj-$(CONFIG_SECURITY_APPARMOR) += apparmor/
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obj-$(CONFIG_SECURITY_YAMA) += yama/
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obj-$(CONFIG_SECURITY_LOADPIN) += loadpin/
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obj-$(CONFIG_SECURITY_SAFESETID) += safesetid/
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obj-$(CONFIG_SECURITY_LOCKDOWN_LSM) += lockdown/
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obj-$(CONFIG_CGROUPS) += device_cgroup.o
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obj-$(CONFIG_BPF_LSM) += bpf/
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# Object integrity file lists
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subdir-$(CONFIG_INTEGRITY) += integrity
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obj-$(CONFIG_INTEGRITY) += integrity/
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