[gentoo-commits] proj/linux-patches:5.12 commit in: /

["Mike Pagano" <mpagano@gentoo.org>]

commit:     ecc47a8c9fbbcb96f42d1339c5807f959e81b6a2
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Tue Jun  8 15:34:15 2021 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Tue Jun  8 16:26:41 2021 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=ecc47a8c

CONFIG opt to enable a subset of Kernel Self Protection Project settings

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 4567_distro-Gentoo-Kconfig.patch | 121 +++++++++++++++++++++++++++++++++++++--
 1 file changed, 115 insertions(+), 6 deletions(-)

diff --git a/4567_distro-Gentoo-Kconfig.patch b/4567_distro-Gentoo-Kconfig.patch
index e754a3e..daf29c3 100644
--- a/4567_distro-Gentoo-Kconfig.patch
+++ b/4567_distro-Gentoo-Kconfig.patch
@@ -1,14 +1,14 @@
---- a/Kconfig	2020-04-15 11:05:30.202413863 -0400
-+++ b/Kconfig	2020-04-15 10:37:45.683952949 -0400
-@@ -32,3 +32,5 @@ source "lib/Kconfig"
+--- a/Kconfig	2021-06-04 19:03:33.646823432 -0400
++++ b/Kconfig	2021-06-04 19:03:40.508892817 -0400
+@@ -30,3 +30,5 @@ source "lib/Kconfig"
  source "lib/Kconfig.debug"
  
  source "Documentation/Kconfig"
 +
 +source "distro/Kconfig"
---- /dev/null	2020-09-24 03:06:47.590000000 -0400
-+++ b/distro/Kconfig	2020-09-24 11:31:29.403150624 -0400
-@@ -0,0 +1,158 @@
+--- /dev/null	2021-06-06 14:01:09.950742356 -0400
++++ b/distro/Kconfig	2021-06-06 17:48:05.912077568 -0400
+@@ -0,0 +1,267 @@
 +menu "Gentoo Linux"
 +
 +config GENTOO_LINUX
@@ -166,4 +166,113 @@
 +
 +endmenu
 +
++menu "Enable Kernel Self Protection Project Recommendations"
++	visible if GENTOO_LINUX
++
++config GENTOO_KERNEL_SELF_PROTECTION
++	bool "Architecture Independant Kernel Self Protection Project Recommendations"
++
++	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
++
++	depends on GENTOO_LINUX && !HARDENED_USERCOPY_FALLBACK && !HARDENED_USERCOPY_PAGESPAN && !ACPI_CUSTOM_METHOD && !COMPAT_BRK && !DEVKMEM && !PROC_KCORE && !COMPAT_VDSO && !KEXEC && !HIBERNATION && !LEGACY_PTYS && !SECURITY_SELINUX_DISABLE && !IA32_EMULATION && !X86_X32 && !MODIFY_LDT_SYSCALL
++
++
++	select BUG
++	select STRICT_KERNEL_RWX
++	select DEBUG_WX
++	select STACKPROTECTOR
++	select STACKPROTECTOR_STRONG
++	select STRICT_DEVMEM
++	select IO_STRICT_DEVMEM
++
++	select SYN_COOKIES
++	select DEBUG_CREDENTIALS
++	select DEBUG_NOTIFIERS
++	select DEBUG_LIST
++	select DEBUG_SG
++	select BUG_ON_DATA_CORRUPTION
++	select SCHED_STACK_END_CHECK
++	select SECCOMP
++	select SECCOMP_FILTER
++	select SECURITY
++	select SECURITY_YAMA
++	select HARDENED_USERCOPY
++	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 VMAP_STACK
++	select REFCOUNT_FULL
++	select FORTIFY_SOURCE
++	select SECURITY_DMESG_RESTRICT
++	select PANIC_ON_OOPS
++	select CONFIG_GCC_PLUGINS=y
++	select GCC_PLUGIN_LATENT_ENTROPY
++	select GCC_PLUGIN_STRUCTLEAK
++	select GCC_PLUGIN_STRUCTLEAK_BYREF_ALL
++	select GCC_PLUGIN_STACKLEAK
++	select GCC_PLUGIN_RANDSTRUCT
++	select GCC_PLUGIN_RANDSTRUCT_PERFORMANCE
++
++menu "Architecture Specific Self Protection Project Recommendations"
++
++config GENTOO_KERNEL_SELF_PROTECTION_X86_64
++	bool "X86_64 KSPP Settings"
++
++	depends on !X86_MSR && X86_64
++	default n
++	
++	select RANDOMIZE_BASE
++	select RANDOMIZE_MEMORY
++	select LEGACY_VSYSCALL_NONE
++ select PAGE_TABLE_ISOLATION
++
++
++config GENTOO_KERNEL_SELF_PROTECTION_ARM64
++	bool "ARM64 KSPP Settings"
++
++	depends on ARM64
++	default n
++
++	select RANDOMIZE_BASE
++	select ARM64_SW_TTBR0_PAN
++	select CONFIG_UNMAP_KERNEL_AT_EL0
++
++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 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
++
++endmenu
++
++endmenu
++
 +endmenu