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kernel-hardening-checker
Commit 4839f6d5 by Alexander Popov
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Add the KSPP recommendation of IOMMU_DEFAULT_DMA_STRICT

parent 1fb333e6
Showing with 3 additions and 0 deletions
kconfig_hardened_check/__init__.py
...@@ -14,6 +14,8 @@ ...@@ -14,6 +14,8 @@
# slab_nomerge # slab_nomerge
# page_alloc.shuffle=1 # page_alloc.shuffle=1
# iommu=force (does it help against DMA attacks?) # iommu=force (does it help against DMA attacks?)
# iommu.passthrough=0
# iommu.strict=1
# slub_debug=FZ (slow) # slub_debug=FZ (slow)
# init_on_alloc=1 (since v5.3) # init_on_alloc=1 (since v5.3)
# init_on_free=1 (since v5.3, otherwise slub_debug=P and page_poison=1) # init_on_free=1 (since v5.3, otherwise slub_debug=P and page_poison=1)
...@@ -389,6 +391,7 @@ def add_kconfig_checks(l, arch): ...@@ -389,6 +391,7 @@ def add_kconfig_checks(l, arch):
l += [KconfigCheck('self_protection', 'kspp', 'GCC_PLUGIN_LATENT_ENTROPY', 'y')] l += [KconfigCheck('self_protection', 'kspp', 'GCC_PLUGIN_LATENT_ENTROPY', 'y')]
l += [KconfigCheck('self_protection', 'kspp', 'KFENCE', 'y')] l += [KconfigCheck('self_protection', 'kspp', 'KFENCE', 'y')]
l += [KconfigCheck('self_protection', 'kspp', 'WERROR', 'y')] l += [KconfigCheck('self_protection', 'kspp', 'WERROR', 'y')]
l += [KconfigCheck('self_protection', 'kspp', 'IOMMU_DEFAULT_DMA_STRICT', 'y')]
randstruct_is_set = KconfigCheck('self_protection', 'kspp', 'GCC_PLUGIN_RANDSTRUCT', 'y') randstruct_is_set = KconfigCheck('self_protection', 'kspp', 'GCC_PLUGIN_RANDSTRUCT', 'y')
l += [randstruct_is_set] l += [randstruct_is_set]
hardened_usercopy_is_set = KconfigCheck('self_protection', 'kspp', 'HARDENED_USERCOPY', 'y') hardened_usercopy_is_set = KconfigCheck('self_protection', 'kspp', 'HARDENED_USERCOPY', 'y')
......
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