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=-12.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 88065C00A89 for ; Mon, 2 Nov 2020 16:06:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 25AD422265 for ; Mon, 2 Nov 2020 16:06:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="Iwa/zJ6O" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 25AD422265 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9FFED6B0080; Mon, 2 Nov 2020 11:05:44 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 98C526B00B0; Mon, 2 Nov 2020 11:05:44 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 791FF6B00B1; Mon, 2 Nov 2020 11:05:44 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0152.hostedemail.com [216.40.44.152]) by kanga.kvack.org (Postfix) with ESMTP id 3B5F96B0080 for ; Mon, 2 Nov 2020 11:05:44 -0500 (EST) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id CEA13181AEF09 for ; Mon, 2 Nov 2020 16:05:43 +0000 (UTC) X-FDA: 77439953766.08.pin39_410bf09272b1 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin08.hostedemail.com (Postfix) with ESMTP id AC0AA1819E766 for ; Mon, 2 Nov 2020 16:05:43 +0000 (UTC) X-HE-Tag: pin39_410bf09272b1 X-Filterd-Recvd-Size: 4454 Received: from mail-qk1-f201.google.com (mail-qk1-f201.google.com [209.85.222.201]) by imf06.hostedemail.com (Postfix) with ESMTP for ; Mon, 2 Nov 2020 16:05:42 +0000 (UTC) Received: by mail-qk1-f201.google.com with SMTP id f9so8985308qkg.13 for ; Mon, 02 Nov 2020 08:05:42 -0800 (PST) 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=JhJQu0u6kYZyiKQdNOdQHHgHHQ9cOF6OLpbU2DNOxmQ=; b=Iwa/zJ6Om1UAR8kwXuqqPWXH7rZbO1N7okU6okQg6AvAwhAy2xQuJBUSFPiMrZzrww NT1EH30QaleRvwXROCT7Yj+I0f0sfWVUEY4NWr2KD39lYY74FBiPeGpteJ1cQNqGeL53 5xiYFlEgAtfon1/7VOT21kHoQ2MZgiujAWy50U9dQI/KzkLM4lFlYgYZyXWcpSovRGy7 FXe0TUx3dGbOMTr9M+WVizjuOoKpiF2JsR6s0LuOsnl9lpRHeOkbfOeC20TFiPsjwEss yT3n6yMJakyr4Vvavgrn53Wc8i2tLax+kfbIyDx3kS1xpy1Gr7WQs5T/YavrBUOhyQFW tT6w== 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=JhJQu0u6kYZyiKQdNOdQHHgHHQ9cOF6OLpbU2DNOxmQ=; b=XipaSlHNrPhcdNcS/3kpjRJ6JKYOTh4QX1eQrVGcQofcJ2w3il4kCBZRVeN6rJZit5 1zxCoO1JSam5tMl85JQfaVZAs7yq9gcS6dG+aLIJu/byF5Ors/XWpgQNIeLnavJKzBI8 aOcwW+cSZTuzSbuAc2lj/EaPQP+DuXYhEJB0JLk2z/fzpNiJe0Vv7Xo44KCft/8CXpqU 0rfjx3dFZIk1bQtfSYDGfDZqyiMB9ST698+ppIvsLeohtLExj2VvKkLWfpDOR0SAmYnY q18dkyT5pm0SKsPvq3v6XrgflQBrEdiUySo04CgRghivFTRc62RKJWQPjkQCBtfTqoSv p3zQ== X-Gm-Message-State: AOAM532tvJPZGeukp1TOnL9+7ZDCJ/OpvScVXUFjlo+tOVuUDVOltdUu 42D5jKxQay+R9pIuNzkG0UWoa/erFLYMqgF7 X-Google-Smtp-Source: ABdhPJyJY3gCiXTBB22SjlDvx/Ydn28lsNNt39U9OWOjGrdJ6LjFKPrvUmJx7BJSr6uwj6I++8czBpu2QuQiWSIS X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:ad4:45b4:: with SMTP id y20mr1778243qvu.46.1604333141655; Mon, 02 Nov 2020 08:05:41 -0800 (PST) Date: Mon, 2 Nov 2020 17:04:11 +0100 In-Reply-To: Message-Id: <939e8bc7da624a0923d5f3346b4ef5a9b5e7b208.1604333009.git.andreyknvl@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.29.1.341.ge80a0c044ae-goog Subject: [PATCH v7 31/41] kasan, arm64: don't allow SW_TAGS with ARM64_MTE From: Andrey Konovalov To: Catalin Marinas , Will Deacon Cc: Vincenzo Frascino , kasan-dev@googlegroups.com, Dmitry Vyukov , Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Elena Petrova , Branislav Rankov , Kevin Brodsky , 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" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Software tag-based KASAN provides its own tag checking machinery that can conflict with MTE. Don't allow enabling software tag-based KASAN when MTE is enabled. Signed-off-by: Andrey Konovalov Signed-off-by: Vincenzo Frascino Reviewed-by: Catalin Marinas --- Change-Id: Icd29bd0c6b1d3d7a0ee3d50c20490f404d34fc97 --- arch/arm64/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index fddb48d35f0f..cebbd07ba27c 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -134,7 +134,7 @@ config ARM64 select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_JUMP_LABEL_RELATIVE select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48) - select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN + select HAVE_ARCH_KASAN_SW_TAGS if (HAVE_ARCH_KASAN && !ARM64_MTE) select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT -- 2.29.1.341.ge80a0c044ae-goog