The patch titled Subject: kasan, arm64: enable CONFIG_KASAN_HW_TAGS has been added to the -mm tree. Its filename is kasan-arm64-enable-config_kasan_hw_tags.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/kasan-arm64-enable-config_kasan_hw_tags.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/kasan-arm64-enable-config_kasan_hw_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: enable CONFIG_KASAN_HW_TAGS Hardware tag-based KASAN is now ready, enable the configuration option. Link: https://lkml.kernel.org/r/3d24722ca600b65a186a55ae47777a00a7c9407c.1605046192.git.andreyknvl@xxxxxxxxxx Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> Cc: Branislav Rankov <Branislav.Rankov@xxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx> Cc: Kevin Brodsky <kevin.brodsky@xxxxxxx> Cc: Marco Elver <elver@xxxxxxxxxx> Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx> Cc: Will Deacon <will.deacon@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) --- a/arch/arm64/Kconfig~kasan-arm64-enable-config_kasan_hw_tags +++ a/arch/arm64/Kconfig @@ -136,6 +136,7 @@ config ARM64 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 && !ARM64_MTE) + select HAVE_ARCH_KASAN_HW_TAGS if (HAVE_ARCH_KASAN && ARM64_MTE) select HAVE_ARCH_KFENCE select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS _ Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are kasan-drop-unnecessary-gpl-text-from-comment-headers.patch kasan-kasan_vmalloc-depends-on-kasan_generic.patch kasan-group-vmalloc-code.patch s390-kasan-include-asm-pageh-from-asm-kasanh.patch kasan-shadow-declarations-only-for-software-modes.patch kasan-rename-unpoison_shadow-to-unpoison_memory.patch kasan-rename-kasan_shadow_-to-kasan_granule_.patch kasan-only-build-initc-for-software-modes.patch kasan-split-out-shadowc-from-commonc.patch kasan-define-kasan_granule_page.patch kasan-rename-report-and-tags-files.patch kasan-dont-duplicate-config-dependencies.patch kasan-hide-invalid-free-check-implementation.patch kasan-decode-stack-frame-only-with-kasan_stack_enable.patch kasan-arm64-only-init-shadow-for-software-modes.patch kasan-arm64-only-use-kasan_depth-for-software-modes.patch kasan-arm64-move-initialization-message.patch kasan-arm64-rename-kasan_init_tags-and-mark-as-__init.patch kasan-rename-addr_has_shadow-to-addr_has_metadata.patch kasan-rename-print_shadow_for_address-to-print_memory_metadata.patch kasan-kasan_non_canonical_hook-only-for-software-modes.patch kasan-rename-shadow-layout-macros-to-meta.patch kasan-separate-metadata_fetch_row-for-each-mode.patch kasan-arm64-dont-allow-sw_tags-with-arm64_mte.patch kasan-introduce-config_kasan_hw_tags.patch arm64-kasan-align-allocations-for-hw_tags.patch arm64-kasan-add-arch-layer-for-memory-tagging-helpers.patch kasan-define-kasan_granule_size-for-hw_tags.patch kasan-x86-s390-update-undef-config_kasan.patch kasan-arm64-expand-config_kasan-checks.patch kasan-arm64-implement-hw_tags-runtime.patch kasan-arm64-print-report-from-tag-fault-handler.patch kasan-mm-reset-tags-when-accessing-metadata.patch kasan-arm64-enable-config_kasan_hw_tags.patch kasan-add-documentation-for-hardware-tag-based-mode.patch