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 C396346CA9; Fri, 8 Aug 2025 17:28:43 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 51054402AB; Fri, 8 Aug 2025 17:28:43 +0200 (CEST) Received: from mail-wr1-f43.google.com (mail-wr1-f43.google.com [209.85.221.43]) by mails.dpdk.org (Postfix) with ESMTP id 95AAA4028B for ; Fri, 8 Aug 2025 17:28:41 +0200 (CEST) Received: by mail-wr1-f43.google.com with SMTP id ffacd0b85a97d-3b78310b296so1147318f8f.2 for ; Fri, 08 Aug 2025 08:28:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1754666921; x=1755271721; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=7srCiLeWKaGxicQsXLnx55ZQCQn4W1QXFIZ7v50RdBk=; b=dOpPPe2DNB6/2YP2oNVs2dgAnuempCMsIYqZLfz9SuYhNcnO0jKzoo4VDr/zZX2IgN 4EurJ8OtR2Iluj9eTUB0Nvf8mhqjb7R3cZdRpsQ+ZhBkm+uoqJGhumRYPYpjbCAPKMF9 mNRz8hEn3/MGkjloSOXKNuK6L2nZUr7vePZNKnJzZMaf61Ei2b/SnI6jCmoJkCRmQWbf nu9UYoTomyZtN4Dh2i9eoOXk2j1vVO/V4vYtf6SwZ1IVvSamTPYZ+Bd8K4EL56KFTVSA UYAHZZQTyDhUxpXJDhZ33tSOOFfD1caq4kDZLflK0jeIbbh2ucN7anQ4ghSPYR97+Y8g +pBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754666921; x=1755271721; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=7srCiLeWKaGxicQsXLnx55ZQCQn4W1QXFIZ7v50RdBk=; b=Gmbl8qfgkEZhUHCCQwXOAxB6+ZDHMFFyAloCxEKQECb5GnkF/3FRLoHUo32uv+sWEu cYkW9hwFuhYgHg0PQKeFJinwqS0lVwmltWiIj4vbP3cdRyX+8VkZpPGnxBVh0CC3UYLz blhiocYEbBywcqsxEdB+LnQPCHc197NMi8z3+KXf29KWKHxpuJfBaTrvRyF8zU5pPpB3 OvlsPv18HEaXxXmcJKB4AXw6P/jYP9kXZKjw2CAZr6jSfEvJmEQVoUmEd/8XgE+6d5dd 7KX9hfCT0nIoJjuAG2gu1RqqvSoNBfPb2kDcPXb9yxhfiMlW943OXKjreTmN9XdHdIdD 2Z2A== X-Forwarded-Encrypted: i=1; AJvYcCX+FGHLa1KlZCGHAtFYbJDf4POgmGEbi6fLDw4eepDeFUcZt4I1o7GuN6UYfQjSedAYXXk=@dpdk.org X-Gm-Message-State: AOJu0Yxeg0OpnjDGYarY4NFOS+xKb7FjcPRs2f4aJkdMlKX4Qax6dzdv f5gerM71ydnr/YX+8CuowkBUm+JBeYyuUjyhWTh6jjzRRV1b1sbfTc5b7ekAy7WcnNw= X-Gm-Gg: ASbGncsUi4S/D8645kkBzeT3z54I5ME/e+/WwnDmDR4YtRY3UqdkUg1Pu7xeZHX7QH7 TkxhIWk7wYDdGK7c9F2u91nTaDFeMnnLAbZY0GvnU8UjpIGG5WtslFppWcQhy0hXz6nD5BGNsme V1yIyNm0OsynQevGYPUZfS04akRo3M1/u6hCjo68ryqFBNEwFAlell7WCY/PH/F33x7yg5K5uD/ 98O2I8PV6SlUutadmkbnR90k8HWLcAnjkUA5K77zH7uPh/+lmgtE16vqieDofvMrBA/KY2dChaP N6c182AE5/xMICDc7wf+Jhujx/HL5yLRxCo9Cv+zuDL1iACW1tIKPWWjamUIu0Sj3C4mWcMKnMU hdcqYDlGOs08orNsfsbP2bdwXa88P7ZvE7jUX/oez5noKAKZ0q6dxscISirG3zOuYzHC9iTsmY4 rjyWEoZhuMaQ== X-Google-Smtp-Source: AGHT+IGb1QwUbjGTZyubgE+R0705eJImEAu10uKrGi2E39aaF+FlNfua/FeOnGkq/60RrMLRzS9agA== X-Received: by 2002:a5d:5d0c:0:b0:3b8:b33c:b8b0 with SMTP id ffacd0b85a97d-3b90092c9d2mr2802486f8f.7.1754666920857; Fri, 08 Aug 2025 08:28:40 -0700 (PDT) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b79c47ae8esm30686191f8f.61.2025.08.08.08.28.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Aug 2025 08:28:40 -0700 (PDT) Date: Fri, 8 Aug 2025 08:28:35 -0700 From: Stephen Hemminger To: Khadem Ullah <14pwcse1224@uetpeshawar.edu.pk> Cc: Vipin.Varghese@amd.com, thomas@monjalon.net, Ferruh.Yigit@amd.com, andrew.rybchenko@oktetlabs.ru, dev@dpdk.org Subject: Re: [PATCH v7] app/testpmd: monitor state of primary process when using secondary Message-ID: <20250808082835.796b3be1@hermes.local> In-Reply-To: <20250808054452.1350869-1-14pwcse1224@uetpeshawar.edu.pk> References: <20250808054452.1350869-1-14pwcse1224@uetpeshawar.edu.pk> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 On Fri, 8 Aug 2025 01:44:52 -0400 Khadem Ullah <14pwcse1224@uetpeshawar.edu.pk> wrote: > * run into use after free. > */ > + int ret; > fprintf(stderr, "\nPrimary process is no longer active, exiting...\n"); > + ret = rte_eal_cleanup(); > + if (ret != 0) > + rte_exit(EXIT_FAILURE, > + "EAL cleanup failed: %s\n", strerror(-ret)); > exit(EXIT_FAILURE); No, that eal_cleanup references freed data when run in secondary. That is the problem this is trying to solve.