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[2620:137:e000::1:20]) by mx.google.com with ESMTP id t19-20020a056a0021d300b005420db11d75si4725969pfj.16.2022.09.21.18.49.18; Wed, 21 Sep 2022 18:50:40 -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=UfslFXpi; 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 S229624AbiIVBck (ORCPT + 99 others); Wed, 21 Sep 2022 21:32:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55260 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229519AbiIVBcg (ORCPT ); Wed, 21 Sep 2022 21:32:36 -0400 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B7E59F0FE; Wed, 21 Sep 2022 18:32:36 -0700 (PDT) Received: by mail-pj1-x102e.google.com with SMTP id j6-20020a17090a694600b00200bba67dadso588354pjm.5; Wed, 21 Sep 2022 18:32:36 -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=f/4HKARNmzVmkSfnU23KZQtCIICUOOHXgp/I5QaOMBU=; b=UfslFXpiSKl3jhkwDzQb0DfcOeuyx97p4rBeMs9jVh7MdHIuyaE6mdZbuwpL1DoAlC /VuWCjUCvfEYOtXk3rq/2epCNgeI/AvNN/fdODwVlgT+eXMTPwWN1aoGYeAboOwpsBtl VtpkuIblKHvbJabx2ThxeBuC2VgQms5DVEvmr27j7SFUqL6Iye+meRB6yom7hZSgYrPP hS2bmNjLkADagdLpyoYcuQJ6K46cxbtrZgdt427lx40p9wRKF3xrJ5uRGvFGWtwgtHVC P5BHVS7KxWyRnOJBH1M0M9dc1piD1t/mEiP2lFlP7eANXYKaT1Jmm1ea1QrNHsdyJOHQ wSAA== 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=f/4HKARNmzVmkSfnU23KZQtCIICUOOHXgp/I5QaOMBU=; b=Qcgb78QFIHpdIdzZ/H6Z11nRQYE5glA7YbmTCGjVET3sQ9kfTadV7xpcDbCO6LjFwx oBCQjomcfO5XMwQuuHQpYCq0N/j/VjHdDxHtXaiuM6OyWc0cpc6xDEzFQEB2KIf6W4Vz ahe56Wrb5hIHMjyDYhFKO6uejpl4snq4fign3jd1sUNzmalPCRaSPGOWxEjIAAlZu1Ha LYc5L5K64Reb5wSYtHrtCNgutNPjQ4lchuk8Q0CqEQbtt8MTjh3CJh7olmAANHenjrdF o/rWdQLw7elGiil1CBKECjj7IAs40RJ7sVpYIVXmGYaHW9dQGtT0QFfeBsWm8aSq0dEN fApQ== X-Gm-Message-State: ACrzQf2Ga+jtxtAli3hNRpXDqJ4s7dECZDEzh1AaeXtZO8nq7HGlAYs2 rKFowgqqKrgwko+wFp2SpEs1zwDCy6Q= X-Received: by 2002:a17:902:db0b:b0:178:1599:531d with SMTP id m11-20020a170902db0b00b001781599531dmr876177plx.36.1663810355593; Wed, 21 Sep 2022 18:32:35 -0700 (PDT) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id e2-20020aa79802000000b00551fa0e2b2dsm2852285pfl.206.2022.09.21.18.32.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Sep 2022 18:32:35 -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] perf lock: use strscpy() is more robust and safer Date: Thu, 22 Sep 2022 01:32:31 +0000 Message-Id: <20220922013231.232933-1-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/builtin-lock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 52a6a10a610c..b6837b7df110 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -949,7 +949,7 @@ static int lock_contention_caller(struct evsel *evsel, struct perf_sample *sampl if (offset) scnprintf(buf, size, "%s+%#lx", sym->name, offset); else - strlcpy(buf, sym->name, size); + strscpy(buf, sym->name, size); return 0; } -- 2.25.1