From patchwork Sun Jun 20 11:47:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?S3Vhbi1ZaW5nIExlZSAo5p2O5Yag56mOKQ==?= X-Patchwork-Id: 12333371 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=-17.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MIME_BASE64_TEXT,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,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 52A03C48BDF for ; Sun, 20 Jun 2021 11:48:28 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0424260D07 for ; Sun, 20 Jun 2021 11:48:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0424260D07 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9AE646B0072; Sun, 20 Jun 2021 07:48:27 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 937568E0002; Sun, 20 Jun 2021 07:48:27 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7B0008D0001; Sun, 20 Jun 2021 07:48:27 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0045.hostedemail.com [216.40.44.45]) by kanga.kvack.org (Postfix) with ESMTP id 4404E6B0072 for ; Sun, 20 Jun 2021 07:48:27 -0400 (EDT) Received: from smtpin05.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id DD6D1F012 for ; Sun, 20 Jun 2021 11:48:26 +0000 (UTC) X-FDA: 78273929412.05.DE6B279 Received: from mailgw02.mediatek.com (mailgw02.mediatek.com [216.200.240.185]) by imf30.hostedemail.com (Postfix) with ESMTP id 9CA63E0004E9 for ; Sun, 20 Jun 2021 11:48:25 +0000 (UTC) X-UUID: 28225afe46cb4a29af6c9ebea2135eba-20210620 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=PHskmn49kLW0VUhqld258Y7YrjmaoXqx+HTCPKb4WLk=; b=fbSEx4BB+NEUP0DfUByQJN+6jvIe3sCYVmQw666OcTz7dfd5lYz0iGMGqM1b3mrg9kaLu8cdwXxAmZGWBlSLB5/A3ThaCWp57AMZxvVZgv7XM40SVo/baoQYWWT8Pw7H+gzWSOJ35y5Pnyh/Qv993OMCdQioIHujNoo0k8eMKzY=; X-UUID: 28225afe46cb4a29af6c9ebea2135eba-20210620 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1281752333; Sun, 20 Jun 2021 04:48:22 -0700 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 20 Jun 2021 04:48:21 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 20 Jun 2021 19:48:07 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sun, 20 Jun 2021 19:48:07 +0800 From: Kuan-Ying Lee To: Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , Marco Elver , Dmitry Vyukov , Andrew Morton , Matthias Brugger CC: , , , , , , , , Kuan-Ying Lee Subject: [PATCH v3 1/3] kasan: rename CONFIG_KASAN_SW_TAGS_IDENTIFY to CONFIG_KASAN_TAGS_IDENTIFY Date: Sun, 20 Jun 2021 19:47:54 +0800 Message-ID: <20210620114756.31304-2-Kuan-Ying.Lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210620114756.31304-1-Kuan-Ying.Lee@mediatek.com> References: <20210620114756.31304-1-Kuan-Ying.Lee@mediatek.com> MIME-Version: 1.0 X-MTK: N Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=mediatek.com header.s=dk header.b=fbSEx4BB; spf=pass (imf30.hostedemail.com: domain of kuan-ying.lee@mediatek.com designates 216.200.240.185 as permitted sender) smtp.mailfrom=kuan-ying.lee@mediatek.com; dmarc=pass (policy=none) header.from=mediatek.com X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 9CA63E0004E9 X-Stat-Signature: ag1fxcb3ra4hzc3udmhn9uoaum53pu65 X-HE-Tag: 1624189705-415915 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: This patch renames CONFIG_KASAN_SW_TAGS_IDENTIFY to CONFIG_KASAN_TAGS_IDENTIFY in order to be compatible with hardware tag-based mode. Signed-off-by: Kuan-Ying Lee Suggested-by: Marco Elver Cc: Andrey Ryabinin Cc: Alexander Potapenko Cc: Andrey Konovalov Cc: Dmitry Vyukov Cc: Andrew Morton Reviewed-by: Alexander Potapenko Reviewed-by: Andrey Konovalov --- lib/Kconfig.kasan | 2 +- mm/kasan/kasan.h | 4 ++-- mm/kasan/report_sw_tags.c | 2 +- mm/kasan/sw_tags.c | 4 ++-- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan index cffc2ebbf185..6f5d48832139 100644 --- a/lib/Kconfig.kasan +++ b/lib/Kconfig.kasan @@ -155,7 +155,7 @@ config KASAN_STACK CONFIG_COMPILE_TEST. On gcc it is assumed to always be safe to use and enabled by default. -config KASAN_SW_TAGS_IDENTIFY +config KASAN_TAGS_IDENTIFY bool "Enable memory corruption identification" depends on KASAN_SW_TAGS help diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 8f450bc28045..b0fc9a1eb7e3 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -153,7 +153,7 @@ struct kasan_track { depot_stack_handle_t stack; }; -#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY +#ifdef CONFIG_KASAN_TAGS_IDENTIFY #define KASAN_NR_FREE_STACKS 5 #else #define KASAN_NR_FREE_STACKS 1 @@ -170,7 +170,7 @@ struct kasan_alloc_meta { #else struct kasan_track free_track[KASAN_NR_FREE_STACKS]; #endif -#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY +#ifdef CONFIG_KASAN_TAGS_IDENTIFY u8 free_pointer_tag[KASAN_NR_FREE_STACKS]; u8 free_track_idx; #endif diff --git a/mm/kasan/report_sw_tags.c b/mm/kasan/report_sw_tags.c index 3d20d3451d9e..821a14a19a92 100644 --- a/mm/kasan/report_sw_tags.c +++ b/mm/kasan/report_sw_tags.c @@ -31,7 +31,7 @@ const char *kasan_get_bug_type(struct kasan_access_info *info) { -#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY +#ifdef CONFIG_KASAN_TAGS_IDENTIFY struct kasan_alloc_meta *alloc_meta; struct kmem_cache *cache; struct page *page; diff --git a/mm/kasan/sw_tags.c b/mm/kasan/sw_tags.c index 9362938abbfa..dd05e6c801fa 100644 --- a/mm/kasan/sw_tags.c +++ b/mm/kasan/sw_tags.c @@ -177,7 +177,7 @@ void kasan_set_free_info(struct kmem_cache *cache, if (!alloc_meta) return; -#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY +#ifdef CONFIG_KASAN_TAGS_IDENTIFY idx = alloc_meta->free_track_idx; alloc_meta->free_pointer_tag[idx] = tag; alloc_meta->free_track_idx = (idx + 1) % KASAN_NR_FREE_STACKS; @@ -196,7 +196,7 @@ struct kasan_track *kasan_get_free_track(struct kmem_cache *cache, if (!alloc_meta) return NULL; -#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY +#ifdef CONFIG_KASAN_TAGS_IDENTIFY for (i = 0; i < KASAN_NR_FREE_STACKS; i++) { if (alloc_meta->free_pointer_tag[i] == tag) break;