Fix the IOMMU_DEFAULT_DMA_STRICT check: it is in defconfig for arm64 and arm

[kconfig-hardened-check.git] / kconfig_hardened_check / __init__.py

diff --git a/kconfig_hardened_check/__init__.py b/kconfig_hardened_check/__init__.py
index 28a955bc84e4b287f74fc0122bbbdad02fab4a78..4370bb47c802cdf7ecea769437afcf95ace21cc5 100644 (file)
--- a/kconfig_hardened_check/__init__.py
+++ b/kconfig_hardened_check/__init__.py
@@ -381,6 +381,8 @@ def add_kconfig_checks(l, arch):
     if arch in ('X86_64', 'ARM64'):
         l += [KconfigCheck('self_protection', 'defconfig', 'VMAP_STACK', 'y')]
     if arch in ('X86_64', 'X86_32'):
+        l += [KconfigCheck('self_protection', 'defconfig', 'DEBUG_WX', 'y')]
+        l += [KconfigCheck('self_protection', 'defconfig', 'WERROR', 'y')]
         l += [KconfigCheck('self_protection', 'defconfig', 'X86_MCE', 'y')]
         l += [KconfigCheck('self_protection', 'defconfig', 'X86_MCE_INTEL', 'y')]
         l += [KconfigCheck('self_protection', 'defconfig', 'X86_MCE_AMD', 'y')]
@@ -392,6 +394,8 @@ def add_kconfig_checks(l, arch):
         l += [OR(KconfigCheck('self_protection', 'defconfig', 'X86_UMIP', 'y'),
                  KconfigCheck('self_protection', 'defconfig', 'X86_INTEL_UMIP', 'y'))]
     if arch in ('ARM64', 'ARM'):
+        l += [KconfigCheck('self_protection', 'defconfig', 'IOMMU_DEFAULT_DMA_STRICT', 'y')]
+        l += [KconfigCheck('self_protection', 'defconfig', 'IOMMU_DEFAULT_PASSTHROUGH', 'is not set')] # true if IOMMU_DEFAULT_DMA_STRICT is set
         l += [KconfigCheck('self_protection', 'defconfig', 'STACKPROTECTOR_PER_TASK', 'y')]
     if arch == 'X86_64':
         l += [KconfigCheck('self_protection', 'defconfig', 'PAGE_TABLE_ISOLATION', 'y')]
@@ -423,7 +427,6 @@ def add_kconfig_checks(l, arch):
 
     # 'self_protection', 'kspp'
     l += [KconfigCheck('self_protection', 'kspp', 'BUG_ON_DATA_CORRUPTION', 'y')]
-    l += [KconfigCheck('self_protection', 'kspp', 'DEBUG_WX', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'SCHED_STACK_END_CHECK', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'SLAB_FREELIST_HARDENED', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'SLAB_FREELIST_RANDOM', 'y')]
@@ -436,9 +439,6 @@ def add_kconfig_checks(l, arch):
     l += [KconfigCheck('self_protection', 'kspp', 'DEBUG_NOTIFIERS', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'INIT_ON_ALLOC_DEFAULT_ON', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'KFENCE', 'y')]
-    l += [KconfigCheck('self_protection', 'kspp', 'WERROR', 'y')]
-    l += [KconfigCheck('self_protection', 'kspp', 'IOMMU_DEFAULT_DMA_STRICT', 'y')]
-    l += [KconfigCheck('self_protection', 'kspp', 'IOMMU_DEFAULT_PASSTHROUGH', 'is not set')] # true if IOMMU_DEFAULT_DMA_STRICT is set
     l += [KconfigCheck('self_protection', 'kspp', 'ZERO_CALL_USED_REGS', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'HW_RANDOM_TPM', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'STATIC_USERMODEHELPER', 'y')] # needs userspace support
@@ -510,9 +510,13 @@ def add_kconfig_checks(l, arch):
                   cfi_clang_is_set)]
     if arch in ('X86_64', 'X86_32'):
         l += [KconfigCheck('self_protection', 'kspp', 'DEFAULT_MMAP_MIN_ADDR', '65536')]
+        l += [KconfigCheck('self_protection', 'kspp', 'IOMMU_DEFAULT_DMA_STRICT', 'y')]
+        l += [KconfigCheck('self_protection', 'kspp', 'IOMMU_DEFAULT_PASSTHROUGH', 'is not set')] # true if IOMMU_DEFAULT_DMA_STRICT is set
         l += [AND(KconfigCheck('self_protection', 'kspp', 'INTEL_IOMMU_DEFAULT_ON', 'y'),
                   iommu_support_is_set)]
     if arch in ('ARM64', 'ARM'):
+        l += [KconfigCheck('self_protection', 'kspp', 'DEBUG_WX', 'y')]
+        l += [KconfigCheck('self_protection', 'kspp', 'WERROR', 'y')]
         l += [KconfigCheck('self_protection', 'kspp', 'DEFAULT_MMAP_MIN_ADDR', '32768')]
         l += [KconfigCheck('self_protection', 'kspp', 'SYN_COOKIES', 'y')] # another reason?
     if arch == 'X86_64':
@@ -573,8 +577,10 @@ def add_kconfig_checks(l, arch):
     l += [KconfigCheck('cut_attack_surface', 'kspp', 'PROC_KCORE', 'is not set')] # refers to LOCKDOWN
     l += [KconfigCheck('cut_attack_surface', 'kspp', 'LEGACY_PTYS', 'is not set')]
     l += [KconfigCheck('cut_attack_surface', 'kspp', 'HIBERNATION', 'is not set')] # refers to LOCKDOWN
+    l += [KconfigCheck('cut_attack_surface', 'kspp', 'COMPAT', 'is not set')]
     l += [KconfigCheck('cut_attack_surface', 'kspp', 'IA32_EMULATION', 'is not set')]
     l += [KconfigCheck('cut_attack_surface', 'kspp', 'X86_X32', 'is not set')]
+    l += [KconfigCheck('cut_attack_surface', 'kspp', 'X86_X32_ABI', 'is not set')]
     l += [KconfigCheck('cut_attack_surface', 'kspp', 'MODIFY_LDT_SYSCALL', 'is not set')]
     l += [KconfigCheck('cut_attack_surface', 'kspp', 'OABI_COMPAT', 'is not set')]
     l += [KconfigCheck('cut_attack_surface', 'kspp', 'X86_MSR', 'is not set')] # refers to LOCKDOWN
@@ -638,9 +644,6 @@ def add_kconfig_checks(l, arch):
     l += [KconfigCheck('cut_attack_surface', 'maintainer', 'BLK_DEV_FD', 'is not set')] # recommended by Denis Efremov in /pull/54
     l += [KconfigCheck('cut_attack_surface', 'maintainer', 'BLK_DEV_FD_RAWCMD', 'is not set')] # recommended by Denis Efremov in /pull/62
 
-    # 'cut_attack_surface', 'grapheneos'
-    l += [KconfigCheck('cut_attack_surface', 'grapheneos', 'AIO', 'is not set')]
-
     # 'cut_attack_surface', 'clipos'
     l += [KconfigCheck('cut_attack_surface', 'clipos', 'STAGING', 'is not set')]
     l += [KconfigCheck('cut_attack_surface', 'clipos', 'KSM', 'is not set')] # to prevent FLUSH+RELOAD attack