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=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 EA93AC2D0A3 for ; Wed, 4 Nov 2020 23:20:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9292F20786 for ; Wed, 4 Nov 2020 23:20:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="MHsAFWSN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732770AbgKDXUD (ORCPT ); Wed, 4 Nov 2020 18:20:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732694AbgKDXT5 (ORCPT ); Wed, 4 Nov 2020 18:19:57 -0500 Received: from mail-qk1-x749.google.com (mail-qk1-x749.google.com [IPv6:2607:f8b0:4864:20::749]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB7D2C0613CF for ; Wed, 4 Nov 2020 15:19:55 -0800 (PST) Received: by mail-qk1-x749.google.com with SMTP id t63so1569212qke.10 for ; Wed, 04 Nov 2020 15:19:55 -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=96T+1f9i/jCV3zB6gHtRoH9MAYIWASsGc4o7euuXITQ=; b=MHsAFWSNNNsmPyRuCRBRe5S5UJlJTgrmBZO2ihBxvYR0I9yYigF63VwzzPho62nZs2 VLtTKG/brXnczBsTg/i2aly4WyjggyM4qk5OgjEXTMS6woyfj8oUQLECz4dnR7CYmlCK P2hAhriFaidiECgnMceqscf76Xp8o3bbo8VrPcMQFeLKrXv1UFPRc6fihUk7uiYivJRY /Psb2wdAmwOpskpJVZWh95yRjI1C5Gce+azuH8yjGwSerALSKQTYVjqWvilB6QagDvv7 yNsYVvfeAHhc4rqWuseztMtgbrSeVVBL0ZtROar7FPeVqCV0fj2xagBhvbamoTlcYhxm Ntrw== 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=96T+1f9i/jCV3zB6gHtRoH9MAYIWASsGc4o7euuXITQ=; b=pwWVsgBmNGm/E36QhEkolkG+rZGbfsJUXCSwFnQgLXVIt1P5Sp6q9zKxvmiYszigWA vWdSV1wHWk3SNLM36D2s6QMVbEQctDTDHbZ3PasR528r670WM/NLi/2om4oVmX4H+Owl FtWLA5RWQ8nMc4XNg6tyPUhSzcwiNj1p2dFGi/nL15WiazCb/90wCcBkbfxaoyePi16I mwp1ZUIBwL9iX4EjC5QTmsSzES5SUwbIMc4zvqjqiIftrn+oP8VSdvXmGa/4sXbDwJSw IZ2MV1cdD5uowtrmpZMNvppbIvKRKux53Pko6XWkcTtxaig52X5GvIlTenllzNsJ1nPI 5tgQ== X-Gm-Message-State: AOAM530wCgl1q9bMBPMj14oqlWi7ZDvH77htHhO2E7c30YNZb+Y3JDGK phMWto2tQ5ohpLnJk9zNNMTwtzY9Ux8V6Lom X-Google-Smtp-Source: ABdhPJyY4vYywqcrGkIXWcGHdEVetd/tg0ubApwhK74pxGohLkeevkUn1OS+r+BUFIBRiQwZoc1eeXrnVoZyf101 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:a0c:a2a6:: with SMTP id g35mr293187qva.4.1604531994786; Wed, 04 Nov 2020 15:19:54 -0800 (PST) Date: Thu, 5 Nov 2020 00:18:35 +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 20/43] kasan: rename print_shadow_for_address to print_memory_metadata From: Andrey Konovalov To: Catalin Marinas Cc: Will Deacon , Vincenzo Frascino , Dmitry Vyukov , Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Branislav Rankov , Kevin Brodsky , Andrew Morton , 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" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a preparatory commit for the upcoming addition of a new hardware tag-based (MTE-based) KASAN mode. Hardware tag-based KASAN won't be using shadow memory, but will reuse this function. Rename "shadow" to implementation-neutral "metadata". No functional changes. Signed-off-by: Andrey Konovalov Signed-off-by: Vincenzo Frascino Reviewed-by: Marco Elver --- Change-Id: I18397dddbed6bc6d365ddcaf063a83948e1150a5 --- mm/kasan/report.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 2990ca34abaf..5d5733831ad7 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -252,7 +252,7 @@ static int shadow_pointer_offset(const void *row, const void *shadow) (shadow - row) / SHADOW_BYTES_PER_BLOCK + 1; } -static void print_shadow_for_address(const void *addr) +static void print_memory_metadata(const void *addr) { int i; const void *shadow = kasan_mem_to_shadow(addr); @@ -338,7 +338,7 @@ void kasan_report_invalid_free(void *object, unsigned long ip) pr_err("\n"); print_address_description(object, tag); pr_err("\n"); - print_shadow_for_address(object); + print_memory_metadata(object); end_report(&flags); } @@ -379,7 +379,7 @@ static void __kasan_report(unsigned long addr, size_t size, bool is_write, if (addr_has_metadata(untagged_addr)) { print_address_description(untagged_addr, get_tag(tagged_addr)); pr_err("\n"); - print_shadow_for_address(info.first_bad_addr); + print_memory_metadata(info.first_bad_addr); } else { dump_stack(); } -- 2.29.1.341.ge80a0c044ae-goog