Messages in this thread | | | From | Alexander Potapenko <> | Date | Wed, 11 Nov 2020 14:19:08 +0100 | Subject | Re: [PATCH v9 02/44] kasan: KASAN_VMALLOC depends on KASAN_GENERIC |
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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 >
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