From: Alexander Popov <alex.popov@linux.com>
Date: Tue, 21 Sep 2021 17:44:17 +0000 (+0300)
Subject: RANDOMIZE_KSTACK_OFFSET_DEFAULT is recommended by KSPP
X-Git-Tag: v0.5.14~5
X-Git-Url: https://jxself.org/git/?a=commitdiff_plain;h=aa44db62f4bafa39b3583ceb9de05830fe23b814;p=kconfig-hardened-check.git

RANDOMIZE_KSTACK_OFFSET_DEFAULT is recommended by KSPP

Thanks to @anthraxx
---

diff --git a/kconfig_hardened_check/__init__.py b/kconfig_hardened_check/__init__.py
index 9c70969..0a0014f 100644
--- a/kconfig_hardened_check/__init__.py
+++ b/kconfig_hardened_check/__init__.py
@@ -382,6 +382,7 @@ def construct_checklist(l, arch):
     if arch in ('X86_64', 'ARM64', 'X86_32'):
         stackleak_is_set = OptCheck('self_protection', 'kspp', 'GCC_PLUGIN_STACKLEAK', 'y')
         l += [stackleak_is_set]
+        l += [OptCheck('self_protection', 'kspp', 'RANDOMIZE_KSTACK_OFFSET_DEFAULT', 'y')]
     if arch in ('X86_64', 'X86_32'):
         l += [OptCheck('self_protection', 'kspp', 'DEFAULT_MMAP_MIN_ADDR', '65536')]
     if arch in ('ARM64', 'ARM'):
@@ -423,8 +424,6 @@ 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)]