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 EDB3CC433E2 for ; Tue, 15 Sep 2020 21:53:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B6805207DE for ; Tue, 15 Sep 2020 21:53:12 +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="pe/gphJl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728077AbgIOVxJ (ORCPT ); Tue, 15 Sep 2020 17:53:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728060AbgIOVaQ (ORCPT ); Tue, 15 Sep 2020 17:30:16 -0400 Received: from mail-ed1-x549.google.com (mail-ed1-x549.google.com [IPv6:2a00:1450:4864:20::549]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BEE44C061355 for ; Tue, 15 Sep 2020 14:17:00 -0700 (PDT) Received: by mail-ed1-x549.google.com with SMTP id n4so1792559edo.20 for ; Tue, 15 Sep 2020 14:17:00 -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=LA/JoGm8S/g3KI3imjTGafEDoL5GY8vPZ9zGXBZ3JZQ=; b=pe/gphJlmzAMPX95VYWAWtz0vwnZxs6ztYU65lG5adc1Tsk5t16qxRObv0Fj78BTSJ iwSptltcdPvW3+OF4mGCnZhaEWg+JrGEY7fltofc/Uvy170czTjYtmpTqrQxeO5cTors DUkW54UUWrIAkCn04SZt8YY9jW5LRnUzG6pS5MQwXXQTAk0P0ailXdGkYLXtFL+GcfEX gb8feGkSX2iuI9vchI2EWoWLx66sPY4tCZaZrM1jB2aASttRsRkr5F41mNUodOkeEiRD 1rp0p3F3AskTrLyn7OweXmv7p8Y7CNrOic+Q1tm4c8J7xWeFzo5nr9q/+g2CvECOo/2D 7Ydg== 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=LA/JoGm8S/g3KI3imjTGafEDoL5GY8vPZ9zGXBZ3JZQ=; b=XO2RXvgu+OtiQjkbqx/xlD3nlNScNT1DeHAiaPxnYYTuaxblPQf4UxjlxvpomBh2J+ rZsDIyOne2engkvxOMjEY1KsoFrOwXCwEdIB5shDeQC3O4lDAjdM6lz1hutE6qu5BoFO OdXG1XJDIKNYOAOHzYBT/7+IycxlDk6TCdM5EEeQmQvQkUyvhV07b9haupUzXFQcExSW nAY3VyV6olifjfA1u3z+8jFYeW2ZaET1/YqFjw7oVE354B6ANzS6h5DDcIGN8El6H5yM DXN1lrxoIba4pjW8DSts6jbbeAY2veXepgEPcZyBgSYkC48nB1kgp6oxm8wtKlGeHkXp zYqw== X-Gm-Message-State: AOAM533mTOsEQ2F4NUf6klyJf0n95LDPCQcQbCH8gfxWJta6XUMgr24Y 198iURuDE161sSgcIPjy1oUsUEJjMZ+cOMc3 X-Google-Smtp-Source: ABdhPJzHKloR/2nKSDoHn+YLky9R8AWO2YdB/ozJDPuL7EOFOdEaeBg49qPy/gRjjmd0lXtFLrzQSULF0gOQ3rhU X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:aa7:d30b:: with SMTP id p11mr24645433edq.80.1600204619159; Tue, 15 Sep 2020 14:16:59 -0700 (PDT) Date: Tue, 15 Sep 2020 23:15:57 +0200 In-Reply-To: Message-Id: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.28.0.618.gf4bc123cb7-goog Subject: [PATCH v2 15/37] kasan: rename print_shadow_for_address to print_memory_metadata 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" Sender: linux-kernel-owner@vger.kernel.org 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 --- 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 ada3cfb43764..8ad1ced1607d 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -255,7 +255,7 @@ 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); @@ -316,7 +316,7 @@ 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); } @@ -352,7 +352,7 @@ 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(); } -- 2.28.0.618.gf4bc123cb7-goog