X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=kconfig_hardened_check%2F__init__.py;h=28ab04e105d342f201f51a2986619e739460f8b4;hb=4c4f25270de55449874e018879652d2fd4668663;hp=8f261499d7e2f5529e91c5f0be1d5c5d7f4d5221;hpb=fbaf5df462dd9e5efa6325158c47f415b38b10b5;p=kconfig-hardened-check.git

diff --git a/kconfig_hardened_check/__init__.py b/kconfig_hardened_check/__init__.py
index 8f26149..28ab04e 100644
--- a/kconfig_hardened_check/__init__.py
+++ b/kconfig_hardened_check/__init__.py
@@ -11,14 +11,15 @@
 #
 #
 # N.B Hardening command line parameters:
-#    slub_debug=FZP
 #    slab_nomerge
 #    page_alloc.shuffle=1
 #    iommu=force (does it help against DMA attacks?)
+#    slub_debug=FZ (slow)
 #    page_poison=1 (if enabled)
 #    init_on_alloc=1
 #    init_on_free=1
 #    loadpin.enforce=1
+#    debugfs=no-mount (or off if possible)
 #
 #    Mitigations of CPU vulnerabilities:
 #       Аrch-independent:
@@ -321,7 +322,10 @@ def construct_checklist(l, arch):
     if arch == 'ARM':
         l += [OptCheck('self_protection', 'defconfig', 'CPU_SW_DOMAIN_PAN', 'y')]
         l += [OptCheck('self_protection', 'defconfig', 'STACKPROTECTOR_PER_TASK', 'y')]
-    if arch in ('ARM64', 'ARM'):
+    if arch == 'ARM64':
+        l += [OR(OptCheck('self_protection', 'defconfig', 'HARDEN_BRANCH_PREDICTOR', 'y'),
+             VerCheck((5, 10)))] # HARDEN_BRANCH_PREDICTOR is enabled by default since v5.10
+    if arch == 'ARM':
         l += [OptCheck('self_protection', 'defconfig', 'HARDEN_BRANCH_PREDICTOR', 'y')]
 
     # 'self_protection', 'kspp'
@@ -399,13 +403,12 @@ def construct_checklist(l, arch):
     l += [AND(OptCheck('self_protection', 'my', 'UBSAN_BOUNDS', 'y'),
               OptCheck('self_protection', 'my', 'UBSAN_MISC', 'is not set'),
               OptCheck('self_protection', 'my', 'UBSAN_TRAP', 'y'))]
-    l += [OptCheck('self_protection', 'my', 'SLUB_DEBUG_ON', 'y')] # TODO: is it better to set that via kernel cmd?
     l += [OptCheck('self_protection', 'my', 'RESET_ATTACK_MITIGATION', 'y')] # needs userspace support (systemd)
     if arch == 'X86_64':
         l += [AND(OptCheck('self_protection', 'my', 'AMD_IOMMU_V2', 'y'),
                   iommu_support_is_set)]
     if arch == 'ARM64':
-        l += [OptCheck('self_protection', 'my', 'SHADOW_CALL_STACK', 'y')]
+        l += [OptCheck('self_protection', 'my', 'SHADOW_CALL_STACK', 'y')] # maybe it should be alternative to STACKPROTECTOR_STRONG
 
     # 'security_policy'
     if arch in ('X86_64', 'ARM64', 'X86_32'):
@@ -525,6 +528,8 @@ def construct_checklist(l, arch):
         l += [OptCheck('userspace_hardening', 'defconfig', 'INTEGRITY', 'y')]
     if arch == 'ARM':
         l += [OptCheck('userspace_hardening', 'my', 'INTEGRITY', 'y')]
+    if arch == 'ARM64':
+        l += [OptCheck('userspace_hardening', 'defconfig', 'ARM64_MTE', 'y')]
     if arch in ('ARM', 'X86_32'):
         l += [OptCheck('userspace_hardening', 'defconfig', 'VMSPLIT_3G', 'y')]
     if arch in ('X86_64', 'ARM64'):