Thread (107 messages) 107 messages, 6 authors, 2020-11-13

Re: [PATCH v9 02/44] kasan: KASAN_VMALLOC depends on KASAN_GENERIC

From: Alexander Potapenko <glider@google.com>
Date: 2020-11-11 13:19:30
Also in: linux-mm, lkml

On Tue, Nov 10, 2020 at 11:11 PM Andrey Konovalov [off-list ref] wrote:
Currently only generic KASAN mode supports vmalloc, reflect that
in the config.

Signed-off-by: Andrey Konovalov <redacted>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
quoted hunk ↗ jump to hunk
---
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
Erika-Mann-Straße, 33
80636 München

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