From: Alexander Popov <alex.popov@linux.com>
Date: Sat, 19 Jun 2021 11:45:02 +0000 (+0300)
Subject: SLUB_DEBUG_ON is very slow, leave it for the kernel command line
X-Git-Tag: v0.5.10~10
X-Git-Url: https://jxself.org/git/?a=commitdiff_plain;h=4c4f25270de55449874e018879652d2fd4668663;p=kconfig-hardened-check.git

SLUB_DEBUG_ON is very slow, leave it for the kernel command line
---

diff --git a/kconfig_hardened_check/__init__.py b/kconfig_hardened_check/__init__.py
index b8bfa15..28ab04e 100644
--- a/kconfig_hardened_check/__init__.py
+++ b/kconfig_hardened_check/__init__.py
@@ -11,10 +11,10 @@
 #
 #
 # 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
@@ -403,7 +403,6 @@ 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'),