The patch titled Subject: kasan, arm64: select HAVE_ARCH_KASAN_SW_TAGS has been added to the -mm tree. Its filename is kasan-arm64-select-have_arch_kasan_sw_tags.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/kasan-arm64-select-have_arch_kasan_sw_tags.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/kasan-arm64-select-have_arch_kasan_sw_tags.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Subject: kasan, arm64: select HAVE_ARCH_KASAN_SW_TAGS Now, that all the necessary infrastructure code has been introduced, select HAVE_ARCH_KASAN_SW_TAGS for arm64 to enable software tag-based KASAN mode. Link: http://lkml.kernel.org/r/25abce9a21d0c1df2d9d72488aced418c3465d7b.1544099024.git.andreyknvl@xxxxxxxxxx Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> Cc: Christoph Lameter <cl@xxxxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) --- a/arch/arm64/Kconfig~kasan-arm64-select-have_arch_kasan_sw_tags +++ a/arch/arm64/Kconfig @@ -111,6 +111,7 @@ config ARM64 select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_JUMP_LABEL_RELATIVE select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48) + select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT _ Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are kasan-mm-change-hooks-signatures.patch kasan-slub-handle-pointer-tags-in-early_kmem_cache_node_alloc.patch kasan-move-common-generic-and-tag-based-code-to-commonc.patch kasan-rename-source-files-to-reflect-the-new-naming-scheme.patch kasan-add-config_kasan_generic-and-config_kasan_sw_tags.patch kasan-arm64-adjust-shadow-size-for-tag-based-mode.patch kasan-rename-kasan_zero_page-to-kasan_early_shadow_page.patch kasan-initialize-shadow-to-0xff-for-tag-based-mode.patch arm64-move-untagged_addr-macro-from-uaccessh-to-memoryh.patch kasan-add-tag-related-helper-functions.patch kasan-arm64-untag-address-in-_virt_addr_is_linear.patch kasan-preassign-tags-to-objects-with-ctors-or-slab_typesafe_by_rcu.patch kasan-arm64-fix-up-fault-handling-logic.patch kasan-arm64-enable-top-byte-ignore-for-the-kernel.patch kasan-mm-perform-untagged-pointers-comparison-in-krealloc.patch kasan-split-out-generic_reportc-from-reportc.patch kasan-add-bug-reporting-routines-for-tag-based-mode.patch mm-move-obj_to_index-to-include-linux-slab_defh.patch kasan-add-hooks-implementation-for-tag-based-mode.patch kasan-arm64-add-brk-handler-for-inline-instrumentation.patch kasan-mm-arm64-tag-non-slab-memory-allocated-via-pagealloc.patch kasan-add-__must_check-annotations-to-kasan-hooks.patch kasan-arm64-select-have_arch_kasan_sw_tags.patch kasan-update-documentation.patch kasan-add-spdx-license-identifier-mark-to-source-files.patch