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    SubjectRe: [PATCH v9 02/44] kasan: KASAN_VMALLOC depends on KASAN_GENERIC
    On Tue, Nov 10, 2020 at 11:11 PM Andrey Konovalov <andreyknvl@google.com> wrote:
    >
    > Currently only generic KASAN mode supports vmalloc, reflect that
    > in the config.
    >
    > Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
    > Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
    > Reviewed-by: Marco Elver <elver@google.com>
    Reviewed-by: Alexander Potapenko <glider@google.com>

    > ---
    > Change-Id: I1889e5b3bed28cc5d607802fb6ae43ba461c0dc1
    > ---
    > lib/Kconfig.kasan | 2 +-
    > 1 file changed, 1 insertion(+), 1 deletion(-)
    >
    > diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
    > index 542a9c18398e..8f0742a0f23e 100644
    > --- a/lib/Kconfig.kasan
    > +++ b/lib/Kconfig.kasan
    > @@ -155,7 +155,7 @@ config KASAN_SW_TAGS_IDENTIFY
    >
    > config KASAN_VMALLOC
    > bool "Back mappings in vmalloc space with real shadow memory"
    > - depends on HAVE_ARCH_KASAN_VMALLOC
    > + depends on KASAN_GENERIC && HAVE_ARCH_KASAN_VMALLOC
    > help
    > By default, the shadow region for vmalloc space is the read-only
    > zero page. This means that KASAN cannot detect errors involving
    > --
    > 2.29.2.222.g5d2a92d10f8-goog
    >


    --
    Alexander Potapenko
    Software Engineer

    Google Germany GmbH
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