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Thu, 01 Oct 2020 10:19:34 -0700 (PDT) Date: Thu, 1 Oct 2020 19:19:28 +0200 From: elver@google.com To: Andrey Konovalov Subject: Re: [PATCH v3 02/39] kasan: KASAN_VMALLOC depends on KASAN_GENERIC Message-ID: <20201001171928.GB4156371@elver.google.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.14.5 (2020-06-23) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201001_131936_848695_7B04A43C X-CRM114-Status: GOOD ( 19.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, Branislav Rankov , Elena Petrova , Catalin Marinas , Kevin Brodsky , Will Deacon , linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-mm@kvack.org, Alexander Potapenko , Evgenii Stepanov , Andrey Ryabinin , Andrew Morton , Vincenzo Frascino , Dmitry Vyukov Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Sep 25, 2020 at 12:50AM +0200, Andrey Konovalov wrote: > Currently only generic KASAN mode supports vmalloc, reflect that > in the config. > > Signed-off-by: Andrey Konovalov > Signed-off-by: Vincenzo Frascino Reviewed-by: Marco Elver > --- > 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 047b53dbfd58..e1d55331b618 100644 > --- a/lib/Kconfig.kasan > +++ b/lib/Kconfig.kasan > @@ -156,7 +156,7 @@ 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 > -- > 2.28.0.681.g6f77f65b4e-goog > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel