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 D1805D46BF0 for ; Thu, 29 Jan 2026 01:44:18 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 079E44067D; Thu, 29 Jan 2026 02:43:41 +0100 (CET) Received: from mail-wm1-f44.google.com (mail-wm1-f44.google.com [209.85.128.44]) by mails.dpdk.org (Postfix) with ESMTP id B834340A73 for ; Thu, 29 Jan 2026 02:43:39 +0100 (CET) Received: by mail-wm1-f44.google.com with SMTP id 5b1f17b1804b1-47f5c2283b6so3276445e9.1 for ; Wed, 28 Jan 2026 17:43:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1769651019; x=1770255819; 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=vF3VqyFpbuvujfb1MOLxfgkV+qZ0ikXTrl+U+KrZcDF5xa0qhEI5WN+ybVh2MYzNrg Y/kKoVXsK3E6YBxqM/DzfilEytRzZEsreHM7E6P//kEXkw/ARVd2le1iXAYuicvJb4xB LqDFxScbLHqaS7M58gxlhmGDCdeiaH1eiFgKcG9j06620SKXvgxOIQ9JrmDPdIdH4qDW R2kPIGmrZcrhbMEZGAx/JttmXZwfek50P3rBm6PP80L7sWpIpcwLzsBzqBwpqyyQkaZ1 RHpoo+62P3vMKqzMaocv4QJnYSMtr9bZ6P63u20sBkdoeva39zQxUGQXoZJiGUzKFrS9 kLXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769651019; x=1770255819; 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=l0NGlQSIAqwZ8XQKC2vmp6TMo17J7O371mkuf49zcZ/RCRN7+2IbvGxRWp++RIgNMG Ozm/q8jNpc37azPZoi1wlU3uSJMx5m7iCTNpH/OJpj6dUh99ycrVCYZcujGqnuNjKPJ2 2QfRHNzmDFv29RZbDFzIUw3rF1eUtnlgyAPSY+RSYLvMPjNcKbBB5CaXUZQmktDQX/YY vFdCvkuu2C40XDKS90YdPPeWH2KgOn3PLbyGPTsBUvI9saTj2En7m6BlDoqorieMexEV UBVZOF42N+AAkGNrs0/51LGKuHW2XrxnfYice1Hm/RMA3RRlGHjxuw9hxPCueaXCJM/i 6gtQ== X-Gm-Message-State: AOJu0Yzr2d5K59SBadZ5znru61ZMQeOwtrOx4haCfTQlQv1+gDg6p0LV GDPgshvYSPNvvhBkKQ+bnAUv29H8sRrqPhLgYzwgFNTqZS4L7IcaUY/gCnzRczgdnWMyurC8lM7 mc8Ec X-Gm-Gg: AZuq6aKYSL2LKVHtJHmEri94Upnsa9NHpYR4lLqYFGCwvkYCCrZEBwvLCdKeA2c63Hm bMl+JsTNQwf2rtglfccWra1h7MlQj327rMagdbsF+unFseoIsOad60Kbsm87jPEcTNPAgw4xQLM DR4OvGzY8F01qInSdxDdK4u6nz+FjkI0NKyeX9H0A7ugLrClKbRPBx1dJm8Irnep53i9tjniNSJ 7TGCQQZg8apw+QaRKzI9mbvb09Jf9Gu6cPNjpzxySJv74Ptn4qv16+zxGCqSXXL2gaUVrdiP0O3 3a0wcBEALoD+zJmFyQfpzS9PnHw4K3JAH+Z6Qe2LfELy11AJO8ArQ2Q+lAdGgkWKHROvCCTKous 2QiRKHtGGqXsqaFOdI7mmC6yy7ct04lcBVYUQ7P5TcPDsgt1AJXv021TZyrq4POzPaDoyHvSiFf k++mtL0eXbYTyFSoced3vNUEYM+zRtVZL0oOLK2iyOOKWF/pgkUA== X-Received: by 2002:a05:600d:d:b0:480:f27c:6335 with SMTP id 5b1f17b1804b1-480f27c7080mr10092535e9.25.1769651019326; Wed, 28 Jan 2026 17:43:39 -0800 (PST) Received: from phoenix.lan (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-481a5e18427sm3217985e9.16.2026.01.28.17.43.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Jan 2026 17:43:38 -0800 (PST) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Anatoly Burakov Subject: [PATCH v14 09/17] eal: avoid format overflow when handling addresses Date: Wed, 28 Jan 2026 17:41:12 -0800 Message-ID: <20260129014313.939831-10-stephen@networkplumber.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260129014313.939831-1-stephen@networkplumber.org> References: <20251202172626.283094-1-stephen@networkplumber.org> <20260129014313.939831-1-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