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[2620:137:e000::1:20]) by mx.google.com with ESMTP id d1-20020a170902cec100b001637dbe1bc4si2523993plg.44.2022.09.21.02.46.03; Wed, 21 Sep 2022 02:46:16 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=He6eVgwx; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231414AbiIUJgK (ORCPT + 99 others); Wed, 21 Sep 2022 05:36:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229555AbiIUJgI (ORCPT ); Wed, 21 Sep 2022 05:36:08 -0400 Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14F4E8F966; Wed, 21 Sep 2022 02:36:06 -0700 (PDT) Received: by mail-pf1-x434.google.com with SMTP id 9so5312954pfz.12; Wed, 21 Sep 2022 02:36:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date; bh=EY7f1vye1qs5rWXV1baAbSmWO5OxmPowtv9FR9+ng6A=; b=He6eVgwxCpvM7FQUloccwnQCjSmNWQO5WVzHyHQ1TdXo7p5QPBqdmNjTcbS+9Kc+eN 7tuXkc5/B9THod1wvklYIgD5Ubq99gLiKyNlWZ6UT6DtPjHHpTae3PIQbdHnzIFgaGUf IPr/aAMHNiM/F8N7iGFKvXNCLdOVJt1eLXUqIsgy5MYzuWa/k79YG7SF8Z11rlRTKC41 06EoD6MoaOnaDr2CS4HnRyMLvn5d2uvF5Eb/Fw6kHCq8f4e1/7a6rEksLJ2/mCfyYyF0 8dySI1AMW8az5Ssqpx8vHKdXOieTt74scGpsllToIadpaIqxCZ2D13dfLKlfXKhbhFXn xw4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date; bh=EY7f1vye1qs5rWXV1baAbSmWO5OxmPowtv9FR9+ng6A=; b=QWK+VsrJibKopdkIcdrk2b58DndfBH8R/OI4JX6dw5TUIvnGhaatveY5GL3sjutvIU R1EHk80bgLmEGR1AVAFd/yCzkzoueYRn+q19Z1FVA9AlfnkhCjzcbvF6VuGIzXY2lcjE sPT2TUnjMJ5llUM4XEWmPlpDHmdDVxl38eEUVS9f4cnc3vfSglE1Za1g7ugBGde42JeP F6DSJahYXjjs/Vt3mGcMOxAdo5jTTz+VELyt/ZzPuUBY9Hz55Ix+5ccktUgE46Qii4oh WcJK1tz9F3fSn3FLZsu7KosFyqlGe2JIRGW1+isfjkoP/18q5yuA7EZOPnG3/GCZ1nsi TChQ== X-Gm-Message-State: ACrzQf3fEUMnR0yegK3uj3VCFMZ1YU06fBTKuhlKyUaPDR1kGBKsQw+w 36ycXP28Ml2G+AB4jL4KRzE= X-Received: by 2002:a63:da13:0:b0:438:e3cb:7a8c with SMTP id c19-20020a63da13000000b00438e3cb7a8cmr24169179pgh.31.1663752966383; Wed, 21 Sep 2022 02:36:06 -0700 (PDT) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id z188-20020a6265c5000000b0053e7293be0bsm1625372pfb.121.2022.09.21.02.36.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Sep 2022 02:36:06 -0700 (PDT) From: cgel.zte@gmail.com X-Google-Original-From: ye.xingchen@zte.com.cn To: acme@kernel.org Cc: mingo@redhat.com, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, namhyung@kernel.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, ye xingchen , Zeal Robot Subject: [PATCH linux-next] tools x86 machine: use strscpy() is more robust and safer Date: Wed, 21 Sep 2022 09:36:01 +0000 Message-Id: <20220921093601.230800-1-ye.xingchen@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: ye xingchen The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL terminated strings. Reported-by: Zeal Robot Signed-off-by: ye xingchen --- tools/perf/arch/x86/util/machine.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/arch/x86/util/machine.c b/tools/perf/arch/x86/util/machine.c index 31679c35d493..1ff0be147205 100644 --- a/tools/perf/arch/x86/util/machine.c +++ b/tools/perf/arch/x86/util/machine.c @@ -40,7 +40,7 @@ static int add_extra_kernel_map(struct extra_kernel_map_info *mi, u64 start, mi->maps[mi->cnt].start = start; mi->maps[mi->cnt].end = end; mi->maps[mi->cnt].pgoff = pgoff; - strlcpy(mi->maps[mi->cnt].name, name, KMAP_NAME_LEN); + strscpy(mi->maps[mi->cnt].name, name, KMAP_NAME_LEN); mi->cnt += 1; -- 2.25.1