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 851F4D1951B for ; Mon, 26 Jan 2026 23:25:34 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 2DBB040BA3; Tue, 27 Jan 2026 00:24:55 +0100 (CET) Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) by mails.dpdk.org (Postfix) with ESMTP id 3C2DD40B9D for ; Tue, 27 Jan 2026 00:24:53 +0100 (CET) Received: by mail-wm1-f42.google.com with SMTP id 5b1f17b1804b1-4805ef35864so13528815e9.0 for ; Mon, 26 Jan 2026 15:24:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1769469893; x=1770074693; 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=XPqO/5NW1jwxILdANHPJn77fv+LSvWcuOaKPCqpwqVEObxpCUnpljxyR1jzrh/wVxp zNbvBu9/V5Z4bxqFd1snayjVFJg58POU3RPsTosQ5404TIKa0HPJ3nYeCVqdfbTEKQPa TfVdVGpI3mxPwQQlfWUWXPkBdJVpvIfcWD8NlghwKC6q41BKiYvDg22dm927fvPMuHPm WmaCoAgMj79y5e2iZTlgvChiyLGsF3e45IsvKU0yqH85HsHV0wQfp/lgiFWL0/0EY7HS Hf02ZwYe/VBFOMuWVT9Weo5Zsu3Fp3I2r9ys5lqwGqo01LdSamagPd/7t8x3fN65yR0A jXww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769469893; x=1770074693; 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=UUfduIrgJuOlM69zhQAIdp7NXVNAOPb1wSg48WGy9K0MAyRc/Twp0UzmQUofuHhHZ7 pKyNvAgVcXkLtR65soOJfe+Sd2+BC6NNU6YcvQggoo13wAkwuxeUvhKLcEOd6oNlnH7I 4TV9Jx/z5Ialerf4VzAtRbZrGMCMt5qy4konMfrf9hUtZhRMEVNHg4Lo6iJQV4nPh0it c8E6vLh8DhyXXxEwuafX1qUjFvUfBrOtQgPEATVji4pTnlS/h0LGr2fEqNOmLWPPesSN 9abtB67k/YHT8rR7q9DBlGRg5atLmJvhOvfj6OIwyrYWx1MQwEfNvsA59fCFNT5Gwhnz VgtQ== X-Gm-Message-State: AOJu0Yw6rpLztVRnKMOvKHoNCv1Pa3t/5naQMpzY91hJYk9gcM/kEAXr oVcRW/vwLRQCmGtJrQQawIBek5jdGnbPLEWBEVccYxrPH5XOSR9E8uU3OaVlZNla+RValmVtWGr 5MI6M X-Gm-Gg: AZuq6aLI27+hQuWceHopsdhHwpY3PyuxfrVjXDAodBMYgxyoAJiyW5vsUP36GMlhpTD 9FNignTV4EBjXxmVo0k9y4h84nmZ13E7nrRzFoYrnXhy9SkHlZi16Bj2dEJ+e+k7YGgL/KB9iSb l1qiWgYQk6DIMFfNT2zEQ/SZlzEqPYNxI9aHZ34qEtpHJtJqKa2yQbWAVRQrRo6ZRcDQTNLzBc3 1j0rW4rZBK0ZjG1k1NcUpyoCW701pHKpyc5Pd6afOb1gusXVSn4b7Z3z2Mpb5hyT1q3R6PjKrxz JdeByXpP/kJtxqS0kGJAOoOKE15/nY+rw77AmheicBzixdAx+QNoy9MEW9bXFQFlhT3n6wXQLke 34j35Ec+rjmWSwJNbkcfE/F8Z/UMVnPMytnSJBNVUMIRkLpiCAmWUvGWkg7fJe+EBypSDwR1QSk DltjtDKL6TzjnLXmZk0Wpq84f2kgRRj+GiKI0urd8cAKrOfbos/g== X-Received: by 2002:a05:600c:1e02:b0:480:4d37:e742 with SMTP id 5b1f17b1804b1-4805ce3fa29mr94270445e9.10.1769469892815; Mon, 26 Jan 2026 15:24:52 -0800 (PST) Received: from phoenix.lan (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-435b1c24a6fsm33711846f8f.16.2026.01.26.15.24.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jan 2026 15:24:52 -0800 (PST) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Anatoly Burakov Subject: [PATCH v12 09/17] eal: avoid format overflow when handling addresses Date: Mon, 26 Jan 2026 15:22:17 -0800 Message-ID: <20260126232428.276534-10-stephen@networkplumber.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260126232428.276534-1-stephen@networkplumber.org> References: <20251202172626.283094-1-stephen@networkplumber.org> <20260126232428.276534-1-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