Add the recommendation about UBSAN_BOUNDS

Enable UBSAN_BOUNDS and UBSAN_TRAP.
But keep UBSAN_MISC disabled to avoid useless reports.

diff --git a/kconfig_hardened_check/__init__.py b/kconfig_hardened_check/__init__.py
index 48f40196f082fedac3175318986fb6d866d209ce..1ca05301efe69c1fcc2f0d24c8733ad2d5e7151c 100644 (file)
--- a/kconfig_hardened_check/__init__.py
+++ b/kconfig_hardened_check/__init__.py
@@ -395,6 +395,9 @@ def construct_checklist(l, arch):
                   iommu_support_is_set)]
 
     # 'self_protection', 'my'
+    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':