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From: Stephen Hemminger <stephen@networkplumber.org>
To: Khadem Ullah <14pwcse1224@uetpeshawar.edu.pk>
Cc: thomas@monjalon.net, ferruh.yigit@amd.com,
	andrew.rybchenko@oktetlabs.ru, dev@dpdk.org, stable@dpdk.org
Subject: Re: [PATCH] lib/ethdev: fix segfault in secondary process by validating dev_private pointer
Date: Tue, 22 Jul 2025 06:39:24 -0700	[thread overview]
Message-ID: <20250722063924.2f87f3f7@hermes.local> (raw)
In-Reply-To: <20250722115439.1353573-1-14pwcse1224@uetpeshawar.edu.pk>

On Tue, 22 Jul 2025 07:54:39 -0400
Khadem Ullah <14pwcse1224@uetpeshawar.edu.pk> wrote:

> +	if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
> +		(dev == NULL || dev->data == NULL ||
> +		dev->data->dev_private == NULL ||

dev can't be NULL and checking it here will cause a Coverity warning.

There are many other ethdev calls that will fail if primary dies.
stats, xstats, rx/tx burst, ...

I don't think it is good idea to add checks here.

  reply	other threads:[~2025-07-22 13:39 UTC|newest]

Thread overview: 82+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-22 11:54 [PATCH] lib/ethdev: fix segfault in secondary process by validating dev_private pointer Khadem Ullah
2025-07-22 13:39 ` Stephen Hemminger [this message]
2025-07-22 14:30   ` Khadem Ullah
2025-07-22 15:42     ` Stephen Hemminger
2025-07-22 16:01       ` Khadem Ullah
2025-07-22 16:13         ` Bruce Richardson
2025-07-22 17:04           ` Khadem Ullah
2025-07-22 17:38             ` Stephen Hemminger
2025-07-22 17:53               ` Khadem Ullah
2025-07-22 18:21                 ` Stephen Hemminger
2025-07-22 19:03                   ` Khadem Ullah
2025-07-22 19:05                   ` Ivan Malov
2025-07-22 22:28                     ` Stephen Hemminger
2025-07-23  4:29 ` Khadem Ullah
2025-07-23  4:50 ` [PATCH v2] " Khadem Ullah
2025-07-23 12:19   ` Khadem Ullah
2025-07-23 13:13     ` Khadem Ullah
2025-07-23 13:24       ` Ivan Malov
2025-07-23 13:26         ` Khadem Ullah
2025-07-23 13:31           ` Ivan Malov
2025-07-23 13:10   ` [PATCH] [PATCH v3] " Khadem Ullah
2025-07-23 13:19     ` Ivan Malov
2025-07-23 13:34       ` Khadem Ullah
2025-07-23 14:22         ` Stephen Hemminger
2025-07-24  5:49           ` Khadem Ullah
2025-07-25 13:00           ` Khadem Ullah
2025-07-25 12:55     ` [PATCH] [PATCH v4] " Khadem Ullah
2025-07-28 21:45       ` Stephen Hemminger
2025-07-29  5:42         ` Khadem Ullah
2025-07-29 21:34           ` Stephen Hemminger
2025-07-30  5:07             ` Khadem Ullah
2025-08-08  3:49               ` Varghese, Vipin
2025-08-08 15:32                 ` Stephen Hemminger
2025-08-11 10:19                   ` Varghese, Vipin
2025-08-11 10:28                     ` Khadem Ullah
2025-08-11 10:39                       ` Varghese, Vipin
2025-07-29  6:39       ` [PATCH] app/testpmd: fix segfault in secondary process by monitoring primary Khadem Ullah
2025-07-29  6:39         ` [PATCH] [PATCH v4] lib/ethdev: fix segfault in secondary process by validating dev_private pointer Khadem Ullah
2025-07-29  6:39         ` [PATCH] [PATCH v5] app/testpmd: fix segfault in secondary process by monitoring primary Khadem Ullah
2025-07-29 14:48           ` Stephen Hemminger
2025-07-29 21:48           ` Stephen Hemminger
2025-07-30  5:24             ` Khadem Ullah
2025-08-08  3:44               ` Varghese, Vipin
2025-08-08 16:17                 ` Stephen Hemminger
2025-08-11 10:23                   ` Varghese, Vipin
2025-08-11 10:27                     ` Khadem Ullah
2025-07-30  5:56           ` [PATCH] app/testpmd: monitor state of primary process when using secondary Khadem Ullah
2025-07-30  6:08           ` [PATCH v6] " Khadem Ullah
2025-08-01 22:50             ` Stephen Hemminger
2025-08-04  7:54           ` [PATCH v7] " Khadem Ullah
2025-08-04 11:33           ` Khadem Ullah
2025-08-04 15:44             ` Stephen Hemminger
2025-08-05  0:50             ` fengchengwen
2025-08-08  3:23             ` Varghese, Vipin
2025-08-08  5:44               ` Khadem Ullah
2025-08-08 10:59                 ` Varghese, Vipin
2025-08-08 11:49                   ` Khadem Ullah
2025-08-08 16:49                     ` Stephen Hemminger
2025-08-08 17:01                       ` Khadem Ullah
2025-08-11 10:37                       ` Varghese, Vipin
2025-08-11 11:14                         ` Khadem Ullah
2025-08-11 11:34                           ` Varghese, Vipin
2025-08-11 11:55                             ` Khadem Ullah
2025-08-11 14:44                               ` Varghese, Vipin
2025-08-11 17:11                                 ` Khadem Ullah
2025-08-11 10:30                     ` Varghese, Vipin
2025-08-11 10:51                       ` Khadem Ullah
2025-08-11 11:07                         ` Varghese, Vipin
2025-08-08 15:28                 ` Stephen Hemminger
2025-08-08 15:50                   ` Khadem Ullah
2025-08-08 16:10               ` Stephen Hemminger
2025-09-15  8:10             ` [PATCH v3] app/testpmd: stop secondary process fwd_lcores during primary teardown Khadem Ullah
2025-09-15  9:29             ` Khadem Ullah
2025-09-15 10:23             ` Khadem Ullah
2025-09-15 11:25             ` Khadem Ullah
2025-09-15 15:43               ` Stephen Hemminger
2025-09-17 11:36               ` [PATCH v4] " Khadem Ullah
2025-09-17 20:54                 ` Stephen Hemminger
2025-09-18  6:47                 ` [PATCH v5] " Khadem Ullah
2025-09-18 15:08                   ` Stephen Hemminger
2025-09-18 16:45                   ` Stephen Hemminger
2025-07-23 14:21   ` [PATCH v2] lib/ethdev: fix segfault in secondary process by validating dev_private pointer Stephen Hemminger

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