From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DC12D6CFC1 for ; Fri, 23 Jan 2026 04:30:54 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0333C4042E; Fri, 23 Jan 2026 05:30:14 +0100 (CET) Received: from mail-wm1-f51.google.com (mail-wm1-f51.google.com [209.85.128.51]) by mails.dpdk.org (Postfix) with ESMTP id A48B54065D for ; Fri, 23 Jan 2026 05:30:12 +0100 (CET) Received: by mail-wm1-f51.google.com with SMTP id 5b1f17b1804b1-47f3b7ef761so12138555e9.0 for ; Thu, 22 Jan 2026 20:30:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1769142612; x=1769747412; 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=Avhl9YgiSxxdK9mVnQKAOQQ+ilaSko/avISOyDtECRA=; b=0hdMQikrsoFS6/VFQ0UUXlYT8HxL9tyMXr444mnIxIAG3P9aynWiqZiSqTjJxvi7vL E/tzuyLAvAAfYIrwmgXHalA5aEZZ9azNCJHjakMhmL+EN4qUq15XwuveHjLyb1sS/k17 X2l1N6iU4UJW45B8X9apNZSXwfSR5eLoKmE3fooyOONe+oIAb98i3CQhVKWXrNs3439G kXIxR32m2kV/08GUtcqm3UzttaAFbYDdkeyNKeum6kREtbveF15fKNOwgZgGBb4ZGk1M Vb+V8m4orPbYdkJA+mSE7lKdqbryfdIA4vFyeVJBMp9IeOZuNRRxIx+zQ1uEmbkpTZTB Hbfw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769142612; x=1769747412; 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=Avhl9YgiSxxdK9mVnQKAOQQ+ilaSko/avISOyDtECRA=; b=wgow54tsBhj1OhIgzZu3LrKErYMx36swPXEbEgVDknLhnkTevN3Qz1xK1Cs7DmOihR lHiOx3tEt+nyuRwit+JCCXndRPHZly6Ep82X0EsOhNg5v9UdGvzCaQaUeM1TMJaH5ypu 7U5haWZybsn0W12rcJ4jafjWBMTZCn8Wsk2XHwnZLpl3c/D+Voj/TPtIWLamqCd07u3n xA773T9Dlvyuq335a5gndGrdccSIw9+CWY02m2HtiacaPxe9M/Onm3Ovm4JyO7bJ8rMW qfeAl0qWBsmc/BxPBwbnyRDMkxRwK75EhL3F8tgm6RTPFaPZ4pkSYWKE5naW0eRMpo/7 WhBg== X-Gm-Message-State: AOJu0YxMzPCTnnmmwfqpPuksO0qfacuhFxXOGNYSAAHmlXOch+TuaAh/ f3JKIMuoFOsrU/ojsU2VHPEigIuSPghAP6QUy21FMsrRIcOeH9Lf8nj/hWVDMQ3Ay/OsXEOXNCS aUUog X-Gm-Gg: AZuq6aLOOlaDa1DuQNuu8cQLC7HnYxFGug2BAWSLKKuEY7tcsh9VYBQ00m5kmH+WxVp LYHHRuslk1RUrQRlgOz/zU/5OjUNJT7rLvD4XcPjAl3ddmkczx0An01AiiuzIZLdJN9A0Gzvpw/ 0uEx9iccobz0VlVXumZUgqmEvJd5yDWcbUrz+8LwjN/ZcvVl5Yk6IqpCIISd4sO9q82H4zNAOxc zraPLhXYaFVhpQqXD/XmdpKgMwWILQegJiM4FA1lx6rYDGCNKFxwtAtKkICLSsG8xv4BIBjNLD1 b7cTg9sVZnIW4ku7UNE2cz/K2qO4NFoUDXNZMZOwKiz8C/xZFcqYyxVlmKIOWnPPWBnFf5eqiKn 3nr13LSd8K4A23xcIzxCSa4FH+kXl5zD30px87Fvqk+9MPLuVq2SvbbF0X3aY806ZIESGeJVcpR kr/NVVKubpwnpLX7i479tWCw518NqVXlfa7XPhtDoAofwDzeXGDLIj/SCT3MG+ X-Received: by 2002:a05:600c:8b02:b0:477:9a28:b0a4 with SMTP id 5b1f17b1804b1-4804c8e758dmr24593555e9.0.1769142612211; Thu, 22 Jan 2026 20:30:12 -0800 (PST) Received: from phoenix.lan (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-435b1f7b41asm3603771f8f.39.2026.01.22.20.30.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jan 2026 20:30:11 -0800 (PST) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Anatoly Burakov Subject: [PATCH v11 09/18] eal: avoid format overflow when handling addresses Date: Thu, 22 Jan 2026 20:28:07 -0800 Message-ID: <20260123042945.159075-10-stephen@networkplumber.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260123042945.159075-1-stephen@networkplumber.org> References: <20251202172626.283094-1-stephen@networkplumber.org> <20260123042945.159075-1-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 The largest possible string in this code 0xFFFFFFFFFFFFFFFF which will overflow with only 15 character buffer. Increase to 20. Signed-off-by: Stephen Hemminger --- lib/eal/common/eal_common_memory.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/eal/common/eal_common_memory.c b/lib/eal/common/eal_common_memory.c index c62edf5e55..dccf9406c5 100644 --- a/lib/eal/common/eal_common_memory.c +++ b/lib/eal/common/eal_common_memory.c @@ -1153,8 +1153,9 @@ rte_eal_memory_init(void) #define EAL_MEMSEG_INFO_REQ "/eal/memseg_info" #define EAL_ELEMENT_LIST_REQ "/eal/mem_element_list" #define EAL_ELEMENT_INFO_REQ "/eal/mem_element_info" -#define ADDR_STR 15 +/* Address string is "0x" prefix + 16 hex digits + null */ +#define ADDR_STR 20 /* Telemetry callback handler to return heap stats for requested heap id. */ static int -- 2.51.0