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linux_hardened: enable slab freelist hardening

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Joachim Fasting 2017-11-15 21:39:13 +01:00
parent 1e64aa9518
commit 8ecae36963
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pkgs/os-specific/linux/kernel/hardened-config.nix
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@ -82,6 +82,10 @@ HARDENED_USERCOPY y
# Randomize allocator freelists.
SLAB_FREELIST_RANDOM y
${optionalString (versionAtLeast version "4.14") ''
SLAB_FREELIST_HARDENED y
''}
# Wipe higher-level memory allocations on free() with page_poison=1
PAGE_POISONING y
PAGE_POISONING_NO_SANITY y