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 EED0248AD0; Mon, 10 Nov 2025 19:22:20 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id F2F5D40395; Mon, 10 Nov 2025 19:22:15 +0100 (CET) Received: from mail-pg1-f173.google.com (mail-pg1-f173.google.com [209.85.215.173]) by mails.dpdk.org (Postfix) with ESMTP id CD2B54026D for ; Mon, 10 Nov 2025 19:22:14 +0100 (CET) Received: by mail-pg1-f173.google.com with SMTP id 41be03b00d2f7-b9f1d0126e6so21604a12.1 for ; Mon, 10 Nov 2025 10:22:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1762798934; x=1763403734; 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=gTnnX2VYnTD1wjebMSeuhwVEawSGAzmvgAX7E+noCpY=; b=2Oqvj0Buh0GZokYPGo2/n1VZKaUqQyFZt3mGcXuYDqAUqgHL3lncSSSkZgW5o2ft3L YGUF4a9wLZAuKMoYaXl9G+4QK+mC9FFajBbGGAiWDIFt3MDF/CvyouOt5OPJSL1I+7tD FFz5tYkkTfaudXKdAMd9jCR/sqz9who4/pEEvs0zmMhhMtSNgDWAhYhdPQxUUu286ttY eZnuhYbCfR5jptPL1CkrVlUp7LqQwqTIi+Zqp6AXww9DjY8S5M8tr76SlZwcJCGRNIzx q+RNhfXMDVNLWYozJq9fyalDSfWCf5GzlUJ3Cf8krhqf2oW6oQynpkLqnHSgLTtScca1 ZHpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762798934; x=1763403734; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=gTnnX2VYnTD1wjebMSeuhwVEawSGAzmvgAX7E+noCpY=; b=bw+LDmzDwYecDQLmO5FrPaShrxVJmZwr/JQk4nsgizytZo7Yq86fNvPceZsF5zHJ4T w/QW99DLC3woWGMP2gvz+tiKQ5sgd2Kkl2Liby1QEGhGjmdQFNVNVGlZULe0cHWWBhTf 6z0QJWOat22hb4PbVxaa5KGdjarMSpbkm404dwxT/3H2pjku6DoVdHDc36aBegx8A7vV Kyw/KVnRbOsH9naeH5Brh0C0+VGGamczqPL8VojZEZNREcMkTX7sRcCQExQQHQiNhdpb JnKDPL8wGXaXzZ1X7icuw1CTmDqQf35DODUFlKokRo3Z84khBfLUiz8eDapi6YG731Sr IoIg== X-Gm-Message-State: AOJu0YyohaCPWasM2L5Y7FqOS2OrM2MU5+cU+mrNRbL0Ex/4Ka9Ifd2w Om8zfAtFvhyFtdU9DbHbcdKp26zN+RHK//Lp8DWlx78P5NOG4pG/r1lyh/wtDxkLTDndIqfcr5p 2Uj2s X-Gm-Gg: ASbGncvrw0zk7ixzD2qcaha2PAfAre81NP/RW1VIqeyWAYvKJkszrhY/RjYJJqKTta9 i88ppxGbugwrE+H4qF9ISdV+0ikB0JAUDVxjVEaQb8nL+ksN6idilbJEuxz0YnAzJ/OAQybPS/y uqnnWoFgOBtxPtZut3gYkaqgoFDddf531PfPezl0sDl+P2S781ZE2Iwcey6UGoN+69QvmkLJ1Z9 Mb+xUhxb9jIZH7qtSXnjIw3Y9mBeE+fWtyg/aeHg0QPfUr7x/KjG2GfGBuX4o3eAmI55emODpZm tkyyWyCZU220+xM2AxA2tWOuwHVX7Ccoy+XAMyQ0Hy9WGR+z9zSNbGv1oKXRSJoC6wXNXNEZk/E rcmDGyGbi8UpEuZSRD+bIn0+wutmAydwpbLQ9GIjNvIxfKxHSIMWgo6f75skZO+rr9VGHtzzdJl I12fMTasNNvWwJZVhfQ0mYF6VTDHcvCNhbM3mZMwg= X-Google-Smtp-Source: AGHT+IGOgGMMp5/JqXkijjCMaZRr7Q5im1/9YohS65ViqhCCHKrI3mQJ7xZXmrLAPH/2g/Yi77ehdw== X-Received: by 2002:a17:902:ebc9:b0:297:ef0f:709a with SMTP id d9443c01a7336-2984094a5f0mr3523775ad.25.1762798933864; Mon, 10 Nov 2025 10:22:13 -0800 (PST) Received: from phoenix.lan (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29650968298sm156290405ad.6.2025.11.10.10.22.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Nov 2025 10:22:13 -0800 (PST) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , stable@dpdk.org, Byron Marohn , Yipeng Wang , Pablo de Lara , Saikrishna Edupuganti , Christian Maciocco Subject: [PATCH 1/3] examples/server_node_efd: fix format overflow Date: Mon, 10 Nov 2025 10:19:33 -0800 Message-ID: <20251110182209.104087-2-stephen@networkplumber.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251110182209.104087-1-stephen@networkplumber.org> References: <20251110182209.104087-1-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 If format-truncation is enabled, the compiler detects a string overflow since the snprintf() is putting ethernet address and new line in buffer only sized for the address. Fixes: 39aad0e88c58 ("examples/flow_distributor: new example to demonstrate EFD") Cc: stable@dpdk.org Signed-off-by: Stephen Hemminger --- examples/server_node_efd/efd_server/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/examples/server_node_efd/efd_server/main.c b/examples/server_node_efd/efd_server/main.c index 75ff0ea532..62c3f4a16d 100644 --- a/examples/server_node_efd/efd_server/main.c +++ b/examples/server_node_efd/efd_server/main.c @@ -68,7 +68,7 @@ static const char * get_printable_mac_addr(uint16_t port) { static const char err_address[] = "00:00:00:00:00:00"; - static char addresses[RTE_MAX_ETHPORTS][sizeof(err_address)]; + static char addresses[RTE_MAX_ETHPORTS][RTE_ETHER_ADDR_FMT_SIZE + 1]; struct rte_ether_addr mac; int ret; -- 2.51.0