From b54dca6a96b7a07d3d1aec56b5a1df6386bb7d61 Mon Sep 17 00:00:00 2001 From: Alexander Popov Date: Fri, 20 Aug 2021 19:34:35 +0300 Subject: [PATCH] Add RANDOMIZE_KSTACK_OFFSET_DEFAULT This refers to the pull request #52. Thanks to Levente Polyak aka @anthraxx. --- kconfig_hardened_check/__init__.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kconfig_hardened_check/__init__.py b/kconfig_hardened_check/__init__.py index c69380c..d9ef361 100644 --- a/kconfig_hardened_check/__init__.py +++ b/kconfig_hardened_check/__init__.py @@ -19,6 +19,7 @@ # init_on_free=1 (since v5.3, otherwise slub_debug=P and page_poison=1) # loadpin.enforce=1 # debugfs=no-mount (or off if possible) +# randomize_kstack_offset=1 # # Mitigations of CPU vulnerabilities: # Аrch-independent: @@ -422,6 +423,8 @@ def construct_checklist(l, arch): OptCheck('self_protection', 'my', 'UBSAN_MISC', 'is not set'), OptCheck('self_protection', 'my', 'UBSAN_TRAP', 'y'))] l += [OptCheck('self_protection', 'my', 'RESET_ATTACK_MITIGATION', 'y')] # needs userspace support (systemd) + if arch in ('X86_64', 'ARM64', 'X86_32'): + l += [OptCheck('self_protection', 'my', 'RANDOMIZE_KSTACK_OFFSET_DEFAULT', 'y')] if arch == 'X86_64': l += [AND(OptCheck('self_protection', 'my', 'AMD_IOMMU_V2', 'y'), iommu_support_is_set)] -- 2.31.1