From: Bruce Richardson <bruce.richardson@intel.com>
To: Khadem Ullah <14pwcse1224@uetpeshawar.edu.pk>
Cc: <dev@dpdk.org>, <anatoly.burakov@intel.com>, <stable@dpdk.org>
Subject: Re: [PATCH] net/ice: fix segfault in secondary process by validating dev_private pointer
Date: Mon, 11 Aug 2025 13:55:56 +0100 [thread overview]
Message-ID: <aJnoXIl_2iNqStfC@bricha3-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <20250721105522.1019515-1-14pwcse1224@uetpeshawar.edu.pk>
On Mon, Jul 21, 2025 at 06:55:22AM -0400, Khadem Ullah wrote:
> In secondary processes, accessing 'dev->data->dev_private' directly can
> cause a segmentation fault if the primary process has exited or the
> shared memory is unavailable.
>
> This patch adds a check for dev/data/dev_private and uses
> rte_mem_virt2phy to ensure the pointer is still valid.
>
> Fixes: 690175ee51bf ('net/ice: support getting device information')
> Cc: stable@dpdk.org
>
> Signed-off-by: Khadem Ullah <14pwcse1224@uetpeshawar.edu.pk>
> ---
> drivers/net/intel/ice/ice_ethdev.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
This is not something that drivers should need individual updates for. Once
a general solution (if any) is found, will consider a new patch for ice
driver in that case.
/Bruce
next prev parent reply other threads:[~2025-08-11 12:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-21 10:55 Khadem Ullah
2025-08-11 12:55 ` Bruce Richardson [this message]
2025-08-11 13:01 ` Khadem Ullah
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