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kernel command line: enable hardening options

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This commit is contained in:
Tad 2019-10-18 18:50:48 -04:00
parent e13c6c7c9c
commit 204285d7c8
8 changed files with 22 additions and 4 deletions
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10
Scripts/Common/Functions.sh
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@ -402,6 +402,14 @@ hardenUserdata() {
}
export -f hardenUserdata;
hardenBootArgs() {
cd "$DOS_BUILD_BASE$1";
sed -i 's/BOARD_KERNEL_CMDLINE := /BOARD_KERNEL_CMDLINE := page_poison=1 slab_nomerge slub_debug=FZP page_alloc.shuffle=1 /' BoardConfig*.mk */BoardConfig*.mk &>/dev/null || true;
echo "Hardened kernel command line arguments for $1";
cd "$DOS_BUILD_BASE";
}
export -f hardenBootArgs;
enableStrongEncryption() {
cd "$DOS_BUILD_BASE$1";
if [ -f BoardConfig.mk ]; then
@ -524,7 +532,7 @@ hardenDefconfig() {
#Enable supported options
#Disabled: CONFIG_DEBUG_SG (bootloops - https://patchwork.kernel.org/patch/8989981)
declare -a optionsYes=("CONFIG_ARM64_SW_TTBR0_PAN" "CONFIG_ARM64_UAO" "CONFIG_ARM_SMMU" "CONFIG_ASYMMETRIC_KEY_TYPE" "CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE" "CONFIG_BUG" "CONFIG_BUG_ON_DATA_CORRUPTION" "CONFIG_CC_STACKPROTECTOR" "CONFIG_CC_STACKPROTECTOR_STRONG" "CONFIG_CPU_SW_DOMAIN_PAN" "CONFIG_DEBUG_CREDENTIALS" "CONFIG_DEBUG_KERNEL" "CONFIG_DEBUG_LIST" "CONFIG_DEBUG_NOTIFIERS" "CONFIG_DEBUG_RODATA" "CONFIG_DEBUG_WX" "CONFIG_DM_ANDROID_VERITY" "CONFIG_DM_VERITY" "CONFIG_DM_VERITY_FEC" "CONFIG_EXYNOS_IOMMU" "CONFIG_FORTIFY_SOURCE" "CONFIG_HARDEN_BRANCH_PREDICTOR" "CONFIG_HARDENED_USERCOPY" "CONFIG_INTEL_IOMMU_DEFAULT_ON" "CONFIG_IOMMU_API" "CONFIG_IOMMU_HELPER" "CONFIG_IOMMU_PGTABLES_L2" "CONFIG_IOMMU_SUPPORT" "CONFIG_IO_STRICT_DEVMEM" "CONFIG_IPV6_PRIVACY" "CONFIG_KAISER" "CONFIG_KGSL_PER_PROCESS_PAGE_TABLE" "CONFIG_LEGACY_VSYSCALL_NONE" "CONFIG_MMC_SECDISCARD" "CONFIG_MSM_IOMMU" "CONFIG_MSM_KGSL_MMU_PAGE_FAULT" "CONFIG_MSM_TZ_SMMU" "CONFIG_MTK_IOMMU" "CONFIG_OF_IOMMU" "CONFIG_OMAP_IOMMU" "CONFIG_PAGE_POISONING" "CONFIG_PAGE_POISONING_NO_SANITY" "CONFIG_PAGE_POISONING_ZERO" "CONFIG_PAGE_TABLE_ISOLATION" "CONFIG_PANIC_ON_OOPS" "CONFIG_PKCS7_MESSAGE_PARSER" "CONFIG_QCOM_IOMMU" "CONFIG_RANDOMIZE_BASE" "CONFIG_REFCOUNT_FULL" "CONFIG_RETPOLINE" "CONFIG_SCHED_STACK_END_CHECK" "CONFIG_SECCOMP" "CONFIG_SECCOMP_FILTER" "CONFIG_SECURITY" "CONFIG_SECURITY_DMESG_RESTRICT" "CONFIG_SECURITY_PERF_EVENTS_RESTRICT" "CONFIG_SECURITY_YAMA" "CONFIG_SECURITY_YAMA_STACKED" "CONFIG_SLAB_FREELIST_HARDENED" "CONFIG_SLAB_FREELIST_RANDOM" "CONFIG_SLAB_HARDENED" "CONFIG_SLUB_DEBUG" "CONFIG_STACKPROTECTOR" "CONFIG_STACKPROTECTOR_STRONG" "CONFIG_STRICT_DEVMEM" "CONFIG_STRICT_KERNEL_RWX" "CONFIG_STRICT_MEMORY_RWX" "CONFIG_SYN_COOKIES" "CONFIG_SYSTEM_TRUSTED_KEYRING" "CONFIG_TEGRA_IOMMU_GART" "CONFIG_TEGRA_IOMMU_SMMU" "CONFIG_UNMAP_KERNEL_AT_EL0" "CONFIG_VMAP_STACK" "CONFIG_X509_CERTIFICATE_PARSER")
declare -a optionsYes=("CONFIG_ARM64_SW_TTBR0_PAN" "CONFIG_ARM64_UAO" "CONFIG_ARM_SMMU" "CONFIG_ASYMMETRIC_KEY_TYPE" "CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE" "CONFIG_BUG" "CONFIG_BUG_ON_DATA_CORRUPTION" "CONFIG_CC_STACKPROTECTOR" "CONFIG_CC_STACKPROTECTOR_STRONG" "CONFIG_CPU_SW_DOMAIN_PAN" "CONFIG_DEBUG_CREDENTIALS" "CONFIG_DEBUG_KERNEL" "CONFIG_DEBUG_LIST" "CONFIG_DEBUG_NOTIFIERS" "CONFIG_DEBUG_RODATA" "CONFIG_DEBUG_WX" "CONFIG_DM_ANDROID_VERITY" "CONFIG_DM_VERITY" "CONFIG_DM_VERITY_FEC" "CONFIG_EXYNOS_IOMMU" "CONFIG_FORTIFY_SOURCE" "CONFIG_HARDEN_BRANCH_PREDICTOR" "CONFIG_HARDENED_USERCOPY" "CONFIG_INTEL_IOMMU_DEFAULT_ON" "CONFIG_IOMMU_API" "CONFIG_IOMMU_HELPER" "CONFIG_IOMMU_PGTABLES_L2" "CONFIG_IOMMU_SUPPORT" "CONFIG_IO_STRICT_DEVMEM" "CONFIG_IPV6_PRIVACY" "CONFIG_KAISER" "CONFIG_KGSL_PER_PROCESS_PAGE_TABLE" "CONFIG_LEGACY_VSYSCALL_NONE" "CONFIG_MMC_SECDISCARD" "CONFIG_MSM_IOMMU" "CONFIG_MSM_KGSL_MMU_PAGE_FAULT" "CONFIG_MSM_TZ_SMMU" "CONFIG_MTK_IOMMU" "CONFIG_OF_IOMMU" "CONFIG_OMAP_IOMMU" "CONFIG_PAGE_POISONING" "CONFIG_PAGE_POISONING_NO_SANITY" "CONFIG_PAGE_POISONING_ZERO" "CONFIG_PAGE_TABLE_ISOLATION" "CONFIG_PANIC_ON_OOPS" "CONFIG_PKCS7_MESSAGE_PARSER" "CONFIG_QCOM_IOMMU" "CONFIG_RANDOMIZE_BASE" "CONFIG_REFCOUNT_FULL" "CONFIG_RETPOLINE" "CONFIG_SCHED_STACK_END_CHECK" "CONFIG_SECCOMP" "CONFIG_SECCOMP_FILTER" "CONFIG_SECURITY" "CONFIG_SECURITY_DMESG_RESTRICT" "CONFIG_SECURITY_PERF_EVENTS_RESTRICT" "CONFIG_SECURITY_YAMA" "CONFIG_SECURITY_YAMA_STACKED" "CONFIG_SHUFFLE_PAGE_ALLOCATOR" "CONFIG_SLAB_FREELIST_HARDENED" "CONFIG_SLAB_FREELIST_RANDOM" "CONFIG_SLAB_HARDENED" "CONFIG_SLUB_DEBUG" "CONFIG_STACKPROTECTOR" "CONFIG_STACKPROTECTOR_STRONG" "CONFIG_STRICT_DEVMEM" "CONFIG_STRICT_KERNEL_RWX" "CONFIG_STRICT_MEMORY_RWX" "CONFIG_SYN_COOKIES" "CONFIG_SYSTEM_TRUSTED_KEYRING" "CONFIG_TEGRA_IOMMU_GART" "CONFIG_TEGRA_IOMMU_SMMU" "CONFIG_UNMAP_KERNEL_AT_EL0" "CONFIG_VMAP_STACK" "CONFIG_X509_CERTIFICATE_PARSER")
#optionsYes+=("CONFIG_GCC_PLUGINS" "CONFIG_GCC_PLUGIN_LATENT_ENTROPY" "CONFIG_GCC_PLUGIN_RANDSTRUCT" "CONFIG_GCC_PLUGIN_RANDSTRUCT_PERFORMANCE" "CONFIG_GCC_PLUGIN_STRUCTLEAK" "CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL");
#optionsYes+=("CONFIG_PAGE_SANITIZE" "CONFIG_PAGE_SANITIZE_VERIFY" "CONFIG_SLAB_CANARY" "CONFIG_SLAB_SANITIZE" "CONFIG_SLAB_SANITIZE_VERIFY");
#if [ "$DOS_DEBLOBBER_REPLACE_TIME" = true ]; then optionsYes+=("CONFIG_RTC_DRV_MSM" "CONFIG_RTC_DRV_PM8XXX" "CONFIG_RTC_DRV_MSM7X00A" "CONFIG_RTC_DRV_QPNP"); fi;