diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/init/Kconfig b/init/Kconfig index 6edb2d9cdf3f..2a583ef2ff66 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1914,9 +1914,8 @@ config SLAB_MERGE_DEFAULT command line. config SLAB_FREELIST_RANDOM - default n + bool "Randomize slab freelist" depends on SLAB || SLUB - bool "SLAB freelist randomization" help Randomizes the freelist order used on creating new pages. This security feature reduces the predictability of the kernel slab @@ -1924,12 +1923,14 @@ config SLAB_FREELIST_RANDOM config SLAB_FREELIST_HARDENED bool "Harden slab freelist metadata" - depends on SLUB + depends on SLAB || SLUB help Many kernel heap attacks try to target slab cache metadata and other infrastructure. This options makes minor performance sacrifices to harden the kernel slab allocator against common - freelist exploit methods. + freelist exploit methods. Some slab implementations have more + sanity-checking than others. This option is most effective with + CONFIG_SLUB. config SHUFFLE_PAGE_ALLOCATOR bool "Page allocator randomization" @@ -1986,7 +1987,7 @@ config MMAP_ALLOW_UNINITIALIZED userspace. Since that isn't generally a problem on no-MMU systems, it is normally safe to say Y here. - See Documentation/nommu-mmap.txt for more information. + See Documentation/admin-guide/mm/nommu-mmap.rst for more information. config SYSTEM_DATA_VERIFICATION def_bool n |