From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 461AB45EF0; Thu, 19 Dec 2024 23:53:34 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B92914060A; Thu, 19 Dec 2024 23:53:11 +0100 (CET) Received: from mail-pj1-f44.google.com (mail-pj1-f44.google.com [209.85.216.44]) by mails.dpdk.org (Postfix) with ESMTP id 1614A402D0 for ; Thu, 19 Dec 2024 23:53:08 +0100 (CET) Received: by mail-pj1-f44.google.com with SMTP id 98e67ed59e1d1-2ee51f8c47dso928357a91.1 for ; Thu, 19 Dec 2024 14:53:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1734648787; x=1735253587; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=5XBgPOnMDitzRoPHY2XqxkOl8UQmoTx2OdK79MN1YRQ=; b=Jy6Da9mhgTM/1HxK/ttJMY44ZVbeSmeJe1ikJ3ZPlTqYJsmDmMkIFHoG/ulVBTgGr/ 3pWd9ahXbPNVGlbhUA1H6atXQeT+is5THpmMruP8fimrD8ysBg/jxYBvnPco/LpMQlH+ w/gmiHs5m9ke7+kG8/ge3DGnl8/jzjEO3EcOWl54KwOAS8+OdjWDA8ulzQf6KOyyM19/ fT2bNkddTv3wGTMtFNysxx/muTaDndlL2sPe3cAN8ebs2hEcLSoLIwEQEbZ5Q7H/KiAr 2P7VQwU4SUj3pXO/ELkI/yq40EZspFv2TxUG3/gLNNVIlJQtnurf2jOyDtVJpWkDbEei gC/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734648787; x=1735253587; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=5XBgPOnMDitzRoPHY2XqxkOl8UQmoTx2OdK79MN1YRQ=; b=QIMH6ZlhY3u0oOcNKwCqtOjZ1a5J70R8klfvkxDufpOyH/nf80dVh9NoJ+TfWgt5FP 8o95+fzVBELqkDTm8r4XK9+mPWymNGM1RW0MWdt1xNL9j60mjFfC5GnJ5U7Gz72DVCrx pv0QyZvWxgk459uXYnYdBC+BW011Zlm6dMWgnGnA1Z5RkbQp4suh0EJaMZGotb1Mzc3Q B9zDCsEnKHVICjTdcOoL0AmnJ+MEZQGC5Ooe9JQlBuyOW5+rwSEs0W9EOqmkSYhm9LnD Y3GvCBbdwWdFZsJoHUG2HF1tjRTS+aZpSu+p0hhEEa4pDx4AV4u99n7/bDsSvyKbp2Hz mY6Q== X-Gm-Message-State: AOJu0YzabQsr31s9IxpSnBmez/XsANR2tPT9mVpyrb4ZWTgNPt5aC4pc wcy/acoy64bK2grn4CeJm0pybiHgGHXAN7BfLWlig22VdWESfNrjHXsToz6Nv9aSltt9pjUY/he vPc8= X-Gm-Gg: ASbGnctra2JVc5YwK9jVDmNjdzLejMmYhmI+vuPjqKPHGUGGW+zm50vqdetDkrF5z3V GOl4bkNauQeuuKqMVR6nSyVYBEEO85NFOyXUiy15+/bCRvicWRLAC9CVUWKhJenikK1CCcK4vSg wYGFBa6RZgsuAapCfMM0Bv1+9OqShyxPtmc635RWpoiduvrDckQiBcm60mRwbPcdDn9jASleCuQ zuX1Fd82n4NHfJzeYhIE6ss/6fE8i7/1BfzqDC9hPHwVm+/Kio9HSnFmQHBma6jqGxseHeRBc/t 9Sv/PWiwuCaUMfzROxCy5e9dPsK7VvcigQ== X-Google-Smtp-Source: AGHT+IEVF5IhsvtccJVUDFcS3/4r9vgm9mGreHVOs16M+i0T5cVS/IJ10nMzj39xqvErk2n0Ahp+xA== X-Received: by 2002:a17:90b:54c3:b0:2ee:8439:dc8 with SMTP id 98e67ed59e1d1-2f452ee6374mr1019634a91.34.1734648787354; Thu, 19 Dec 2024 14:53:07 -0800 (PST) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2f2ed62b30asm3901021a91.12.2024.12.19.14.53.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Dec 2024 14:53:07 -0800 (PST) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Maxime Coquelin , Chenbo Xia Subject: [PATCH v2 5/5] vhost: use strlcpy instead of strncpy Date: Thu, 19 Dec 2024 14:49:55 -0800 Message-ID: <20241219225253.782792-6-stephen@networkplumber.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241219225253.782792-1-stephen@networkplumber.org> References: <20241218170530.140747-1-stephen@networkplumber.org> <20241219225253.782792-1-stephen@networkplumber.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Some tools such as gcc address sanitizer will complain if strncpy is used to completely fill a string since it will not be null terminated. Since the previous code forced as null at end, use strlcpy() to get the same effect. Signed-off-by: Stephen Hemminger --- lib/vhost/socket.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/vhost/socket.c b/lib/vhost/socket.c index d29d15494c..f938189cc2 100644 --- a/lib/vhost/socket.c +++ b/lib/vhost/socket.c @@ -359,8 +359,7 @@ create_unix_socket(struct vhost_user_socket *vsocket) memset(un, 0, sizeof(*un)); un->sun_family = AF_UNIX; - strncpy(un->sun_path, vsocket->path, sizeof(un->sun_path)); - un->sun_path[sizeof(un->sun_path) - 1] = '\0'; + strlcpy(un->sun_path, vsocket->path, sizeof(un->sun_path)); vsocket->socket_fd = fd; return 0; -- 2.45.2