From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8AA2C4727E for ; Thu, 1 Oct 2020 23:10:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AB61C206C1 for ; Thu, 1 Oct 2020 23:10:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="q1pZ45jU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733261AbgJAXKx (ORCPT ); Thu, 1 Oct 2020 19:10:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733227AbgJAXKu (ORCPT ); Thu, 1 Oct 2020 19:10:50 -0400 Received: from mail-wm1-x34a.google.com (mail-wm1-x34a.google.com [IPv6:2a00:1450:4864:20::34a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F090C0613E2 for ; Thu, 1 Oct 2020 16:10:50 -0700 (PDT) Received: by mail-wm1-x34a.google.com with SMTP id c204so38869wmd.5 for ; Thu, 01 Oct 2020 16:10:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=Tqg/PaARbGGjCbcEwXf/kx8hqamrKXV0hm6ycbrMYh0=; b=q1pZ45jUsDvC6RvvpVmUMxcDN+QzWRxle3LyQiQaqFNru6DzMYAJadyiLi5IFf5eAb H33N7IsVEHrUo8tnhwOwvTzqgSlknCy2afyTDva3reU5L2BQlbJXiiUFTBWfWeLQ1Osl PUUeb6ekQnePKtJAOtnXVi/rt7dmR3qrVWq9q3IlnRtcgTAmKnMV45bzkudHHKNZ/M/n JidM9Ux1tPsdUOvFvhG3aruIlI5XXTsjN2sk5zbZJshDSlzdV6+PD2k2kVhF4fG3yuPx swJbz0o6mk02yn3Lj/F2pFW5IeYTjkL4t29wn1EcpKvzaRmpQzSFPDKrL8zj0MLoKkI8 kwTg== X-Google-DKIM-Signature: v=1; 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=Tqg/PaARbGGjCbcEwXf/kx8hqamrKXV0hm6ycbrMYh0=; b=LmVhehkX1po9wmNZiJUJI02Bc7KoH/yjN/pFoKkl+FQfTSvzYh6n2yDX17RDn2GWPM wAAVzqRWEm5sz4SyY+oNYpKTd4kNpLdM6SZ74vvgcJ5gX6H7KE0UmILUvosQfqJFZP/1 Gb4HdvbJKQ6cdNtv2jM4xwrwL0VcJY6Ktcs2LrsPvxVYtZtEeuEFFI2X5kGwdIP6dPOd nB2byo/XRv8thRz3djLVRytQoKokv+MVZiXH5UV0PfLJOCEzmFMASVBJTvh7GJVE0PRv t0Dw1M/28KNZZt6/kPIrXR1lG5vRt8mFPC3zyDpz04YROytM9hIcOsF+NlTiS5MgMvXe FVGQ== X-Gm-Message-State: AOAM532EXl0m3QeXpCKY63JiQUXPthKSoHabBPmFb+fRQ4mCE201+T3Q otRsiqBnaw/9y07FyL3PCy5XtlLnOitUtGrs X-Google-Smtp-Source: ABdhPJyU61rTBjDi8+okt2SjchYj5K8iGK/EP2NSjf+t0b0AHBjEvvTYReNuAaJ6C1xIDP8sEiXE+jwT5iC/1MUs Sender: "andreyknvl via sendgmr" X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:a05:600c:2146:: with SMTP id v6mr2207908wml.159.1601593848953; Thu, 01 Oct 2020 16:10:48 -0700 (PDT) Date: Fri, 2 Oct 2020 01:10:03 +0200 In-Reply-To: Message-Id: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.28.0.709.gb0816b6eb0-goog Subject: [PATCH v4 02/39] kasan: KASAN_VMALLOC depends on KASAN_GENERIC From: Andrey Konovalov To: Dmitry Vyukov , Vincenzo Frascino , Catalin Marinas , kasan-dev@googlegroups.com Cc: Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Elena Petrova , Branislav Rankov , Kevin Brodsky , Will Deacon , Andrew Morton , linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 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 -- 2.28.0.709.gb0816b6eb0-goog