The patch titled Subject: arm64: kasan: export MTE symbols for KASAN tests has been added to the -mm tree. Its filename is arm64-kasan-export-mte-symbols-for-kasan-tests.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/arm64-kasan-export-mte-symbols-for-kasan-tests.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/arm64-kasan-export-mte-symbols-for-kasan-tests.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: arm64: kasan: export MTE symbols for KASAN tests Export mte_enable_kernel() and mte_set_report_once() to fix: ERROR: modpost: "mte_enable_kernel" [lib/test_kasan.ko] undefined! ERROR: modpost: "mte_set_report_once" [lib/test_kasan.ko] undefined! Link: https://lkml.kernel.org/r/d128216d3b0aea0b4178e11978f5dd3e8dbeb590.1612208222.git.andreyknvl@xxxxxxxxxx Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Cc: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> Cc: Branislav Rankov <Branislav.Rankov@xxxxxxx> Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx> Cc: Kevin Brodsky <kevin.brodsky@xxxxxxx> Cc: Marco Elver <elver@xxxxxxxxxx> Cc: Peter Collingbourne <pcc@xxxxxxxxxx> Cc: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> Cc: Will Deacon <will.deacon@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/arm64/kernel/mte.c | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/arm64/kernel/mte.c~arm64-kasan-export-mte-symbols-for-kasan-tests +++ a/arch/arm64/kernel/mte.c @@ -118,6 +118,8 @@ void mte_set_report_once(bool state) { WRITE_ONCE(report_fault_once, state); } +EXPORT_SYMBOL(mte_enable_kernel_sync); +EXPORT_SYMBOL(mte_set_report_once); bool mte_report_once(void) { _ Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are kasan-prefix-global-functions-with-kasan_.patch kasan-clarify-hw_tags-impact-on-tbi.patch kasan-clean-up-comments-in-tests.patch kasan-add-macros-to-simplify-checking-test-constraints.patch kasan-add-match-all-tag-tests.patch kasan-arm64-allow-using-kunit-tests-with-hw_tags-mode.patch kasan-rename-config_test_kasan_module.patch kasan-add-compiler-barriers-to-kunit_expect_kasan_fail.patch kasan-adapt-kmalloc_uaf2-test-to-hw_tags-mode.patch kasan-fix-memory-corruption-in-kasan_bitops_tags-test.patch kasan-move-_ret_ip_-to-inline-wrappers.patch kasan-fix-bug-detection-via-ksize-for-hw_tags-mode.patch kasan-add-proper-page-allocator-tests.patch kasan-add-a-test-for-kmem_cache_alloc-free_bulk.patch kasan-dont-run-tests-when-kasan-is-not-enabled.patch kasan-mm-dont-save-alloc-stacks-twice.patch kasan-mm-optimize-kmalloc-poisoning.patch kasan-optimize-large-kmalloc-poisoning.patch kasan-clean-up-setting-free-info-in-kasan_slab_free.patch kasan-unify-large-kfree-checks.patch kasan-rework-krealloc-tests.patch kasan-mm-remove-krealloc-side-effect.patch kasan-mm-optimize-krealloc-poisoning.patch kasan-ensure-poisoning-size-alignment.patch arm64-kasan-simplify-and-inline-mte-functions.patch kasan-always-inline-hw_tags-helper-functions.patch arm64-kasan-export-mte-symbols-for-kasan-tests.patch