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, 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 5EA72C433E7 for ; Mon, 12 Oct 2020 20:45:58 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id F341B208D5 for ; Mon, 12 Oct 2020 20:45:57 +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="LMXIiTVU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F341B208D5 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 8F81D940022; Mon, 12 Oct 2020 16:45:57 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8A4B6940009; Mon, 12 Oct 2020 16:45:57 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 77306940022; Mon, 12 Oct 2020 16:45:57 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0053.hostedemail.com [216.40.44.53]) by kanga.kvack.org (Postfix) with ESMTP id 4640A940009 for ; Mon, 12 Oct 2020 16:45:57 -0400 (EDT) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id DA0073623 for ; Mon, 12 Oct 2020 20:45:56 +0000 (UTC) X-FDA: 77364455112.21.jump66_2403cac271fd Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin21.hostedemail.com (Postfix) with ESMTP id B996F180442C0 for ; Mon, 12 Oct 2020 20:45:56 +0000 (UTC) X-HE-Tag: jump66_2403cac271fd X-Filterd-Recvd-Size: 5110 Received: from mail-wr1-f73.google.com (mail-wr1-f73.google.com [209.85.221.73]) by imf20.hostedemail.com (Postfix) with ESMTP for ; Mon, 12 Oct 2020 20:45:56 +0000 (UTC) Received: by mail-wr1-f73.google.com with SMTP id a15so95844wrx.9 for ; Mon, 12 Oct 2020 13:45:56 -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=S/2LUWRyeXcI4N86DAnzB0X2oSlP65kDJMRv67ks5r0=; b=LMXIiTVU8pr3US3jVmLe+5EXivqjswBgOr2p0q+9zHj6jEz1lrBaR+xS+wnaJhRV+J p5v4Qo1Kd4s2hcvq9AhHh0lh7aAyMS5uKRQNCsgnrxdzO72F/Ai8vi8NVWa4NxSRCFH3 gq5cokjNhkMZLqwDI6XyFCLSqhlkdS+mH2CExVqc2IqvizH9DKT2xX6WrLQvczANHaW4 5SAcWTY9HJzIISiSo+NDA2FtnRqsRJFfp/B1BAJQBDBRk9wWd5XOF8QcsrXmO/S+MX7m 0hik6wNWSV87QGR19dX/RpdBCJR+cFY15p8saW4WnskSLt3k2Riefrwmh9PIwOtnGsvj 1tvg== 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=S/2LUWRyeXcI4N86DAnzB0X2oSlP65kDJMRv67ks5r0=; b=gU2XpkSicsdcpJgjbK6dIfOWaCjkfd8s0oJGKB5Be10NWqgsypR37Of2LP+IQq3tqW 9n6iJ+01YDmm2sfoWfsT4SNbVuEvPsH//M7vKPdp8GC4wgqyxqDxPHn40B763FR91R09 c8rxKmB0lg9SrKp+bwEU7ic7LH4HJR+8FW8TVrZ2RJp22WSXg0/hFFbzQlv3QlIgkshh nvcuDPfQOZ0QXeXDBomFdcxZgTzRWDrKQKChoZNDpaGhqj9B7j17oHsUQGeCa4LA90FX 5TeYmA7Nbp4+wy1fz4UTw2dBJKZNgM4FEdYcmI7E04r/600RZGUdemq6KZTdzY/8tk4J 7o5g== X-Gm-Message-State: AOAM53283b5ahjLUhE8YNNeF7ZPOZ8sg66+ZtQnsf8ir1qTZEDcu+vRq Vl7GGziJ6IzWH/8skIHai4uQvD/+tR+1LrlL X-Google-Smtp-Source: ABdhPJyaaUJBV33k7jraXKsC5zSTqxoIFxlhOE8AvXXgC1ndYfFy1ZgduOHQep+ph+ZCLsYh74FaYVUeLbhorKWO X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:a1c:bb84:: with SMTP id l126mr13064242wmf.159.1602535555003; Mon, 12 Oct 2020 13:45:55 -0700 (PDT) Date: Mon, 12 Oct 2020 22:44:32 +0200 In-Reply-To: Message-Id: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.28.0.1011.ga647a8990f-goog Subject: [PATCH v5 26/40] kasan: rename print_shadow_for_address to print_memory_metadata 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=0.000628, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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 145b966f8f4d..9e4d539d62f4 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -250,7 +250,7 @@ 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); @@ -311,7 +311,7 @@ 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); } @@ -347,7 +347,7 @@ 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(); } -- 2.28.0.1011.ga647a8990f-goog