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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=LIY2nrONxUEpI3abKUGgXLbsvOzrU8dATPLwmTEHaeU=; b=o8BMzhlFo151SwfizQRFyXcNEh8WKFPwzHqFeBT8p4nMZIOpWZsKOjajy/dqQh+Bct Ggmnp3ZfypYdocmUTjH7XMQHnfE0v1Jq3CJav1IeiO0yewZ+cgS3QcYbY9Xpl08Y3DFX 1/bxxgNTIKJuOfuNozxQUmVe/S2jDhXSz/UxGKmBcFK2Q5hffITLTwVQ4qFZtGhV6eac 2npWU78WVF1wUuTon0DFIm7wPqPSjYFUR/3rXvVWuehzeuWBl7xzm8yVoYG/179U5nZn 37o8QwnwVjASKXs7uSwrgWcy5vNHo6BZKt2rQLplgLguLmKPMkUA/1aeguZ9wt/ttIYj gm1A== X-Gm-Message-State: AOAM532c6jdJaiZCkD74tNLQIigiDIBFVqgKShOzzXoS+nD6jrM1I4vV 8Qn8KCum/C3ryzorEr9ozxv+BAL7Bg3Ht7K9 X-Google-Smtp-Source: ABdhPJz8PA1RC6TbYkCijZyVacH+F5qN5v5VA7bYMHwRsUMGn/QRHb6T2stA1tcRlIPO7sX4wK7ZATIKTk0Xn1vX X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:a1c:309:: with SMTP id 9mr83135wmd.80.1604531950904; Wed, 04 Nov 2020 15:19:10 -0800 (PST) Date: Thu, 5 Nov 2020 00:18:17 +0100 In-Reply-To: Message-Id: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.29.1.341.ge80a0c044ae-goog Subject: [PATCH v8 02/43] kasan: KASAN_VMALLOC depends on KASAN_GENERIC From: Andrey Konovalov To: Catalin Marinas X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201104_232015_331780_7ED1C912 X-CRM114-Status: GOOD ( 12.11 ) 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, Marco Elver , Andrey Konovalov , Kevin Brodsky , Will Deacon , Branislav Rankov , kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alexander Potapenko , Evgenii Stepanov , Andrey Ryabinin , Andrew Morton , Vincenzo Frascino , Dmitry Vyukov Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 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