From: Khadem Ullah <14pwcse1224@uetpeshawar.edu.pk>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: Thomas Monjalon <thomas@monjalon.net>,
Ferruh Yigit <ferruh.yigit@amd.com>,
Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
dev@dpdk.org, dpdk stable <stable@dpdk.org>
Subject: Re: [PATCH] lib/ethdev: fix segfault in secondary process by validating dev_private pointer
Date: Tue, 22 Jul 2025 19:30:41 +0500 [thread overview]
Message-ID: <CA++2-x7VPCtojdJ7+DXdK=ohAJtLu_3U8KPxHS9CNAqzMd1hoA@mail.gmail.com> (raw)
In-Reply-To: <20250722063924.2f87f3f7@hermes.local>
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Hi Stephen,
Can we add only the check that fixes the segfault, or do you mean that it
should be fixed at the PMD level?
Best regards,
Khadem
On Tue, Jul 22, 2025, 18:39 Stephen Hemminger <stephen@networkplumber.org>
wrote:
> 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.
>
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next prev parent reply other threads:[~2025-07-22 14:30 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-22 11:54 Khadem Ullah
2025-07-22 13:39 ` Stephen Hemminger
2025-07-22 14:30 ` Khadem Ullah [this message]
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 16:10 ` 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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