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authorMike Pagano <mpagano@gentoo.org>2021-08-03 18:49:56 -0400
committerMike Pagano <mpagano@gentoo.org>2021-08-10 07:48:54 -0400
commit3a5b30d38a0dcc2a21213fcffb3cb4a3dfe454d8 (patch)
tree9602916bf878b99bcf4612ab6b1908bc0cfe9c71
parentLinux patch 5.10.57 (diff)
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Add CONFIG_RELOCATABLE when selecting RANDOMIZE_BASE
Redo menu's to make more user-friendly Bug: https://bugs.gentoo.org/806300 Signed-off-by: Mike Pagano <mpagano@gentoo.org>
-rw-r--r--4567_distro-Gentoo-Kconfig.patch51
1 files changed, 28 insertions, 23 deletions
diff --git a/4567_distro-Gentoo-Kconfig.patch b/4567_distro-Gentoo-Kconfig.patch
index fa005e63..429e9d4e 100644
--- a/4567_distro-Gentoo-Kconfig.patch
+++ b/4567_distro-Gentoo-Kconfig.patch
@@ -6,9 +6,9 @@
source "Documentation/Kconfig"
+
+source "distro/Kconfig"
---- /dev/null 2021-07-04 10:53:51.006624416 -0400
-+++ b/distro/Kconfig 2021-07-04 11:07:33.534248860 -0400
-@@ -0,0 +1,263 @@
+--- /dev/null 2021-08-03 06:44:27.767516067 -0400
++++ b/distro/Kconfig 2021-08-03 18:43:33.303563865 -0400
+@@ -0,0 +1,268 @@
+menu "Gentoo Linux"
+
+config GENTOO_LINUX
@@ -166,11 +166,22 @@
+
+endmenu
+
-+menu "Enable Kernel Self Protection Project Recommendations"
-+ visible if GENTOO_LINUX
++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
+
-+config GENTOO_KERNEL_SELF_PROTECTION
-+ bool "Architecture Independant Kernel Self Protection Project Recommendations"
++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 && !DEVKMEM && !PROC_KCORE && !COMPAT_VDSO && !KEXEC && !HIBERNATION && !LEGACY_PTYS && !X86_X32 && !MODIFY_LDT_SYSCALL
+
@@ -214,26 +225,21 @@
+ select GCC_PLUGIN_RANDSTRUCT_PERFORMANCE
+
+ 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_{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
-+
-+menu "Architecture Specific Self Protection Project Recommendations"
++ 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"
++ bool "X86_64 KSPP Settings" if GENTOO_KERNEL_SELF_PROTECTION_COMMON
+
-+ depends on !X86_MSR && X86_64
++ depends on !X86_MSR && X86_64 && GENTOO_KERNEL_SELF_PROTECTION
+ default n
+
+ select RANDOMIZE_BASE
+ select RANDOMIZE_MEMORY
++ select RELOCATABLE
+ select LEGACY_VSYSCALL_NONE
-+ select PAGE_TABLE_ISOLATION
++ select PAGE_TABLE_ISOLATION
+
+
+config GENTOO_KERNEL_SELF_PROTECTION_ARM64
@@ -243,6 +249,7 @@
+ default n
+
+ select RANDOMIZE_BASE
++ select RELOCATABLE
+ select ARM64_SW_TTBR0_PAN
+ select CONFIG_UNMAP_KERNEL_AT_EL0
+
@@ -255,6 +262,7 @@
+ select HIGHMEM64G
+ select X86_PAE
+ select RANDOMIZE_BASE
++ select RELOCATABLE
+ select PAGE_TABLE_ISOLATION
+
+config GENTOO_KERNEL_SELF_PROTECTION_ARM
@@ -267,10 +275,7 @@
+ select STRICT_MEMORY_RWX
+ select CPU_SW_DOMAIN_PAN
+
-+endmenu
-+
-+endmenu
-+
++endif
+endmenu
diff --git a/security/Kconfig b/security/Kconfig
index 7561f6f99..01f0bf73f 100644