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=ham 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 50422C63699 for ; Fri, 13 Nov 2020 22:17:11 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id F15CE2223F for ; Fri, 13 Nov 2020 22:17:10 +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="MjJCBEnc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F15CE2223F 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 8D46F6B00A7; Fri, 13 Nov 2020 17:17:10 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 883526B00A8; Fri, 13 Nov 2020 17:17:10 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 724A26B00A9; Fri, 13 Nov 2020 17:17:10 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0143.hostedemail.com [216.40.44.143]) by kanga.kvack.org (Postfix) with ESMTP id 461886B00A7 for ; Fri, 13 Nov 2020 17:17:10 -0500 (EST) Received: from smtpin05.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id E42EE3633 for ; Fri, 13 Nov 2020 22:17:09 +0000 (UTC) X-FDA: 77480806578.05.humor86_110a5cb27312 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin05.hostedemail.com (Postfix) with ESMTP id CA354180279A9 for ; Fri, 13 Nov 2020 22:17:09 +0000 (UTC) X-HE-Tag: humor86_110a5cb27312 X-Filterd-Recvd-Size: 4449 Received: from mail-wm1-f74.google.com (mail-wm1-f74.google.com [209.85.128.74]) by imf31.hostedemail.com (Postfix) with ESMTP for ; Fri, 13 Nov 2020 22:17:09 +0000 (UTC) Received: by mail-wm1-f74.google.com with SMTP id h2so4727524wmm.0 for ; Fri, 13 Nov 2020 14:17:09 -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=ieTC1eIMY6CyRmTdTXieBU5zsmVSQCTeilNuNPVSDIY=; b=MjJCBEncrj8xBilA3MC/IrhC8npF4MpFUeoSWqardwF8WtMHowBEkfz6QsdUp41VVr +J4LvzKWsrwbVrLLk2qpjJRcSyC87faUI6wp8IduCJHpX0K5ctr6GpzMr++5SnEP1y87 0UBXVa9hB9ZtuA9UxkID+P9Hxj227nCG33QJ2EjQ414QYokM3eIkBHNlNKoj2v6ZHXgB yx/cW+lCrlswPD1AWZ5dSNn+ODkjv4OeDs6AGMrr9t85A6JbloSEMmf6fMAqj4XE3BY8 mWoKocsiRCFzkRzItxEfdacuqEgtos4cU3LdtCx0wHSwMPsCeVKkp60KjHPyAlVbov+w yk3A== 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=ieTC1eIMY6CyRmTdTXieBU5zsmVSQCTeilNuNPVSDIY=; b=sZqkBQUkwXOe+po6xG7nJUMjYgUDjgWhGSrVX8q18kPm89rU5L40d4v9Y9vnHBq3xh 0ybahdiGMzX46J3Eh0dczS7JZ1fgQsxQivB/wx779GwEYhIZqh3JFPWvPKaEByBNBv+k XsmArwXO3h1j//mIfI72XzW7vhhV3bvJc+sXBpxiBQHt1dONnC/mnk7XeYssr/sSBO+p sIlA9W/BJq/9M77Ar3kPD2XwV465mPFBxNytVJns94uZKAKTei8CMGwQV1Rq2wWiY1NK jopxODjUnya3hP05+MW/oFsXZ08/OmhptkYE1vXVR1WApJc0LAZNF19v+Re1Ee8QgbIm C8jw== X-Gm-Message-State: AOAM533DufUI9rmBkeh5D9mc7yRkF9UBYn9oZP/OuhT4wD+szzFGtY8/ Is10st5m+Qu31Q/nAKjPvU6mRVSOmQaysKWi X-Google-Smtp-Source: ABdhPJxAkxb/vWxkz9GFySmQsalysA4yEOIyCzpzAAfKAgB22xPBn7T0twxoArdcJmC1sUoQgKSYA7ZdPPFXlJ2A X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:a05:600c:212:: with SMTP id 18mr4736487wmi.175.1605305828107; Fri, 13 Nov 2020 14:17:08 -0800 (PST) Date: Fri, 13 Nov 2020 23:15:50 +0100 In-Reply-To: Message-Id: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.29.2.299.gdc1121823c-goog Subject: [PATCH mm v10 22/42] kasan, arm64: don't allow SW_TAGS with ARM64_MTE From: Andrey Konovalov To: Andrew Morton Cc: Catalin Marinas , Will Deacon , Vincenzo Frascino , Dmitry Vyukov , Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Branislav Rankov , Kevin Brodsky , kasan-dev@googlegroups.com, 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 Reviewed-by: Alexander Potapenko --- 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 2f0dd5bde83b..c999da4f2bdd 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -135,7 +135,7 @@ 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_KFENCE select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS -- 2.29.2.299.gdc1121823c-goog