gjdwebserver-overlay/sys-kernel/pinephone-sources/files/4567_distro-Gentoo-Kconfig.patch
2023-01-08 16:22:21 +01:00

343 lines
10 KiB
Diff

--- a/Kconfig 2022-08-25 10:11:47.220973785 -0400
+++ b/Kconfig 2022-08-25 10:11:56.997682513 -0400
@@ -30,3 +30,5 @@ source "lib/Kconfig"
source "lib/Kconfig.debug"
source "Documentation/Kconfig"
+
+source "distro/Kconfig"
--- /dev/null 2022-08-25 07:13:06.694086407 -0400
+++ b/distro/Kconfig 2022-08-25 13:21:55.150660724 -0400
@@ -0,0 +1,291 @@
+menu "Gentoo Linux"
+
+config GENTOO_LINUX
+ bool "Gentoo Linux support"
+
+ default y
+
+ select CPU_FREQ_DEFAULT_GOV_SCHEDUTIL
+
+ help
+ In order to boot Gentoo Linux a minimal set of config settings needs to
+ be enabled in the kernel; to avoid the users from having to enable them
+ manually as part of a Gentoo Linux installation or a new clean config,
+ we enable these config settings by default for convenience.
+
+ See the settings that become available for more details and fine-tuning.
+
+config GENTOO_LINUX_UDEV
+ bool "Linux dynamic and persistent device naming (userspace devfs) support"
+
+ depends on GENTOO_LINUX
+ default y if GENTOO_LINUX
+
+ select DEVTMPFS
+ select TMPFS
+ select UNIX
+
+ select MMU
+ select SHMEM
+
+ help
+ In order to boot Gentoo Linux a minimal set of config settings needs to
+ be enabled in the kernel; to avoid the users from having to enable them
+ manually as part of a Gentoo Linux installation or a new clean config,
+ we enable these config settings by default for convenience.
+
+ Currently this only selects TMPFS, DEVTMPFS and their dependencies.
+ TMPFS is enabled to maintain a tmpfs file system at /dev/shm, /run and
+ /sys/fs/cgroup; DEVTMPFS to maintain a devtmpfs file system at /dev.
+
+ Some of these are critical files that need to be available early in the
+ boot process; if not available, it causes sysfs and udev to malfunction.
+
+ To ensure Gentoo Linux boots, it is best to leave this setting enabled;
+ if you run a custom setup, you could consider whether to disable this.
+
+config GENTOO_LINUX_PORTAGE
+ bool "Select options required by Portage features"
+
+ depends on GENTOO_LINUX
+ default y if GENTOO_LINUX
+
+ select CGROUPS
+ select NAMESPACES
+ select IPC_NS
+ select NET_NS
+ select PID_NS
+ select SYSVIPC
+ select USER_NS
+ select UTS_NS
+
+ help
+ This enables options required by various Portage FEATURES.
+ Currently this selects:
+
+ CGROUPS (required for FEATURES=cgroup)
+ IPC_NS (required for FEATURES=ipc-sandbox)
+ NET_NS (required for FEATURES=network-sandbox)
+ PID_NS (required for FEATURES=pid-sandbox)
+ SYSVIPC (required by IPC_NS)
+
+
+ It is highly recommended that you leave this enabled as these FEATURES
+ are, or will soon be, enabled by default.
+
+menu "Support for init systems, system and service managers"
+ visible if GENTOO_LINUX
+
+config GENTOO_LINUX_INIT_SCRIPT
+ bool "OpenRC, runit and other script based systems and managers"
+
+ default y if GENTOO_LINUX
+
+ depends on GENTOO_LINUX
+
+ select BINFMT_SCRIPT
+ select CGROUPS
+ select EPOLL
+ select FILE_LOCKING
+ select INOTIFY_USER
+ select SIGNALFD
+ select TIMERFD
+
+ help
+ The init system is the first thing that loads after the kernel booted.
+
+ These config settings allow you to select which init systems to support;
+ instead of having to select all the individual settings all over the
+ place, these settings allows you to select all the settings at once.
+
+ This particular setting enables all the known requirements for OpenRC,
+ runit and similar script based systems and managers.
+
+ If you are unsure about this, it is best to leave this setting enabled.
+
+config GENTOO_LINUX_INIT_SYSTEMD
+ bool "systemd"
+
+ default n
+
+ depends on GENTOO_LINUX && GENTOO_LINUX_UDEV
+
+ select AUTOFS_FS
+ select BLK_DEV_BSG
+ select BPF_SYSCALL
+ select CGROUP_BPF
+ select CGROUPS
+ select CRYPTO_HMAC
+ select CRYPTO_SHA256
+ select CRYPTO_USER_API_HASH
+ select DEVPTS_MULTIPLE_INSTANCES
+ select DMIID if X86_32 || X86_64 || X86
+ select EPOLL
+ select FANOTIFY
+ select FHANDLE
+ select FILE_LOCKING
+ select INOTIFY_USER
+ select IPV6
+ select KCMP
+ select NET
+ select NET_NS
+ select PROC_FS
+ select SECCOMP if HAVE_ARCH_SECCOMP
+ select SECCOMP_FILTER if HAVE_ARCH_SECCOMP_FILTER
+ select SIGNALFD
+ select SYSFS
+ select TIMERFD
+ select TMPFS_POSIX_ACL
+ select TMPFS_XATTR
+
+ select ANON_INODES
+ select BLOCK
+ select EVENTFD
+ select FSNOTIFY
+ select INET
+ select NLATTR
+
+ help
+ The init system is the first thing that loads after the kernel booted.
+
+ These config settings allow you to select which init systems to support;
+ instead of having to select all the individual settings all over the
+ place, these settings allows you to select all the settings at once.
+
+ This particular setting enables all the known requirements for systemd;
+ it also enables suggested optional settings, as the package suggests to.
+
+endmenu
+
+menuconfig GENTOO_KERNEL_SELF_PROTECTION
+ bool "Kernel Self Protection Project"
+ depends on GENTOO_LINUX
+ help
+ Recommended Kernel settings based on the suggestions from the Kernel Self Protection Project
+ See: https://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project/Recommended_Settings
+ Note, there may be additional settings for which the CONFIG_ setting is invisible in menuconfig due
+ to unmet dependencies. Search for GENTOO_KERNEL_SELF_PROTECTION_COMMON and search for
+ GENTOO_KERNEL_SELF_PROTECTION_{X86_64, ARM64, X86_32, ARM} for dependency information on your
+ specific architecture.
+ Note 2: Please see the URL above for numeric settings, e.g. CONFIG_DEFAULT_MMAP_MIN_ADDR=65536
+ for X86_64
+
+if GENTOO_KERNEL_SELF_PROTECTION
+config GENTOO_KERNEL_SELF_PROTECTION_COMMON
+ bool "Enable Kernel Self Protection Project Recommendations"
+
+ depends on GENTOO_LINUX && !ACPI_CUSTOM_METHOD && !COMPAT_BRK && !PROC_KCORE && !COMPAT_VDSO && !KEXEC && !HIBERNATION && !LEGACY_PTYS && !X86_X32 && !MODIFY_LDT_SYSCALL && GCC_PLUGINS && !IOMMU_DEFAULT_DMA_LAZY && !IOMMU_DEFAULT_PASSTHROUGH && IOMMU_DEFAULT_DMA_STRICT && SECURITY && !ARCH_EPHEMERAL_INODES && RANDSTRUCT_PERFORMANCE
+
+ select BUG
+ select STRICT_KERNEL_RWX
+ select DEBUG_WX
+ select STACKPROTECTOR
+ select STACKPROTECTOR_STRONG
+ select STRICT_DEVMEM if DEVMEM=y
+ select IO_STRICT_DEVMEM if DEVMEM=y
+ select SYN_COOKIES
+ select DEBUG_CREDENTIALS
+ select DEBUG_NOTIFIERS
+ select DEBUG_LIST
+ select DEBUG_SG
+ select HARDENED_USERCOPY if HAVE_HARDENED_USERCOPY_ALLOCATOR=y
+ select KFENCE if HAVE_ARCH_KFENCE && (!SLAB || SLUB)
+ select RANDOMIZE_KSTACK_OFFSET_DEFAULT if HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET && (INIT_STACK_NONE || !CC_IS_CLANG || CLANG_VERSION>=140000)
+ select SECURITY_LANDLOCK
+ select SCHED_CORE if SCHED_SMT
+ select BUG_ON_DATA_CORRUPTION
+ select SCHED_STACK_END_CHECK
+ select SECCOMP if HAVE_ARCH_SECCOMP
+ select SECCOMP_FILTER if HAVE_ARCH_SECCOMP_FILTER
+ select SECURITY_YAMA
+ select SLAB_FREELIST_RANDOM
+ select SLAB_FREELIST_HARDENED
+ select SHUFFLE_PAGE_ALLOCATOR
+ select SLUB_DEBUG
+ select PAGE_POISONING
+ select PAGE_POISONING_NO_SANITY
+ select PAGE_POISONING_ZERO
+ select INIT_ON_ALLOC_DEFAULT_ON
+ select INIT_ON_FREE_DEFAULT_ON
+ select REFCOUNT_FULL
+ select FORTIFY_SOURCE
+ select SECURITY_DMESG_RESTRICT
+ select PANIC_ON_OOPS
+ select GCC_PLUGIN_LATENT_ENTROPY
+ select GCC_PLUGIN_STRUCTLEAK
+ select GCC_PLUGIN_STRUCTLEAK_BYREF_ALL
+ select GCC_PLUGIN_RANDSTRUCT
+ select GCC_PLUGIN_RANDSTRUCT_PERFORMANCE
+ select ZERO_CALL_USED_REGS if CC_HAS_ZERO_CALL_USED_REGS
+
+ help
+ Search for GENTOO_KERNEL_SELF_PROTECTION_{X86_64, ARM64, X86_32, ARM} for dependency
+ information on your specific architecture. Note 2: Please see the URL above for
+ numeric settings, e.g. CONFIG_DEFAULT_MMAP_MIN_ADDR=65536 for X86_64
+
+config GENTOO_KERNEL_SELF_PROTECTION_X86_64
+ bool "X86_64 KSPP Settings" if GENTOO_KERNEL_SELF_PROTECTION_COMMON
+
+ depends on !X86_MSR && X86_64 && GENTOO_KERNEL_SELF_PROTECTION
+ default n
+
+ select GCC_PLUGIN_STACKLEAK
+ select LEGACY_VSYSCALL_NONE
+ select PAGE_TABLE_ISOLATION
+ select RANDOMIZE_BASE
+ select RANDOMIZE_MEMORY
+ select RELOCATABLE
+ select VMAP_STACK
+
+
+config GENTOO_KERNEL_SELF_PROTECTION_ARM64
+ bool "ARM64 KSPP Settings"
+
+ depends on ARM64
+ default n
+
+ select RANDOMIZE_BASE
+ select RELOCATABLE
+ select ARM64_SW_TTBR0_PAN
+ select CONFIG_UNMAP_KERNEL_AT_EL0
+ select GCC_PLUGIN_STACKLEAK
+ select VMAP_STACK
+
+config GENTOO_KERNEL_SELF_PROTECTION_X86_32
+ bool "X86_32 KSPP Settings"
+
+ depends on !X86_MSR && !MODIFY_LDT_SYSCALL && !M486 && X86_32
+ default n
+
+ select HIGHMEM64G
+ select X86_PAE
+ select RANDOMIZE_BASE
+ select RELOCATABLE
+ select PAGE_TABLE_ISOLATION
+
+config GENTOO_KERNEL_SELF_PROTECTION_ARM
+ bool "ARM KSPP Settings"
+
+ depends on !OABI_COMPAT && ARM
+ default n
+
+ select VMSPLIT_3G
+ select STRICT_MEMORY_RWX
+ select CPU_SW_DOMAIN_PAN
+
+endif
+
+config GENTOO_PRINT_FIRMWARE_INFO
+ bool "Print firmware information that the kernel attempts to load"
+
+ depends on GENTOO_LINUX
+ default y
+
+ help
+ Enable this option to print information about firmware that the kernel
+ is attempting to load. This information can be accessible via the
+ dmesg command-line utility
+
+ See the settings that become available for more details and fine-tuning.
+
+endmenu
diff --git a/security/selinux/Kconfig b/security/selinux/Kconfig
index 9e921fc72..f29bc13fa 100644
--- a/security/selinux/Kconfig
+++ b/security/selinux/Kconfig
@@ -26,6 +26,7 @@ config SECURITY_SELINUX_BOOTPARAM
config SECURITY_SELINUX_DISABLE
bool "NSA SELinux runtime disable"
depends on SECURITY_SELINUX
+ depends on !GENTOO_KERNEL_SELF_PROTECTION
select SECURITY_WRITABLE_HOOKS
default n
help
--
2.31.1
From bd3ff0b16792c18c0614c2b95e148943209f460a Mon Sep 17 00:00:00 2001
From: Georgy Yakovlev <gyakovlev@gentoo.org>
Date: Tue, 8 Jun 2021 13:59:57 -0700
Subject: [PATCH 2/2] set DEFAULT_MMAP_MIN_ADDR by default
---
mm/Kconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/mm/Kconfig b/mm/Kconfig
index 24c045b24..e13fc740c 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -321,6 +321,8 @@ config KSM
config DEFAULT_MMAP_MIN_ADDR
int "Low address space to protect from user allocation"
depends on MMU
+ default 65536 if ( X86_64 || X86_32 || PPC64 || IA64 ) && GENTOO_KERNEL_SELF_PROTECTION
+ default 32768 if ( ARM64 || ARM ) && GENTOO_KERNEL_SELF_PROTECTION
default 4096
help
This is the portion of low virtual memory which should be protected
--
2.31.1
```