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[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: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-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