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| author | Vlastimil Babka <vbabka@suse.cz> | 2023-05-23 09:26:35 +0200 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2023-05-24 15:38:17 +0200 |
| commit | d2e527f0d8d1124b1fab93e2e7b2c6a114c0e5a2 (patch) | |
| tree | dcb50532d07591052402090550cde585d8b055df /security | |
| parent | slub: Don't read nr_slabs and total_objects directly (diff) | |
| download | linux-d2e527f0d8d1124b1fab93e2e7b2c6a114c0e5a2.tar.xz linux-d2e527f0d8d1124b1fab93e2e7b2c6a114c0e5a2.zip | |
mm/slab: remove HAVE_HARDENED_USERCOPY_ALLOCATOR
With SLOB removed, both remaining allocators support hardened usercopy,
so remove the config and associated #ifdef.
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Lorenzo Stoakes <lstoakes@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/Kconfig | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/security/Kconfig b/security/Kconfig index 97abeb9b9a19..52c9af08ad35 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -127,16 +127,8 @@ config LSM_MMAP_MIN_ADDR this low address space will need the permission specific to the systems running LSM. -config HAVE_HARDENED_USERCOPY_ALLOCATOR - bool - help - The heap allocator implements __check_heap_object() for - validating memory ranges against heap object sizes in - support of CONFIG_HARDENED_USERCOPY. - config HARDENED_USERCOPY bool "Harden memory copies between kernel and userspace" - depends on HAVE_HARDENED_USERCOPY_ALLOCATOR imply STRICT_DEVMEM help This option checks for obviously wrong memory regions when |