From: David Marchand <david.marchand@redhat.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: dev@dpdk.org, chenbox@nvidia.com, stable@dpdk.org
Subject: Re: [PATCH v2 2/2] vhost: fix uninitialized VQ info in VDUSE vring setup
Date: Wed, 1 Oct 2025 10:43:07 +0200 [thread overview]
Message-ID: <CAJFAV8wNmHDs45nh6bnt9ELJAKDKJ=Y895u9Myy3EKWyTMnE1w@mail.gmail.com> (raw)
In-Reply-To: <20250916093550.1345901-3-maxime.coquelin@redhat.com>
On Tue, 16 Sept 2025 at 11:36, Maxime Coquelin
<maxime.coquelin@redhat.com> wrote:
>
> Initialize vduse_vq_info structure to zero to avoid using
> uninitialized memory when setting up VDUSE virtual rings.
> This ensures all fields start with known values.
>
> Fixes: a9120db8b98b ("vhost: add VDUSE device startup")
> Cc: stable@dpdk.org
>
> Reported-by: David Marchand <david.marchand@redhat.com>
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
There may be similar issues for ioctl != VDUSE_VQ_GET_INFO.
But this patch itself lgtm.
Reviewed-by: David Marchand <david.marchand@redhat.com>
--
David Marchand
next prev parent reply other threads:[~2025-10-01 8:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-16 9:35 [PATCH v2 0/2] vhost: VDUSE startup workaround and fix Maxime Coquelin
2025-09-16 9:35 ` [PATCH v2 1/2] vhost: add VDUSE virtqueue ready state polling workaround Maxime Coquelin
2025-09-16 9:35 ` [PATCH v2 2/2] vhost: fix uninitialized VQ info in VDUSE vring setup Maxime Coquelin
2025-10-01 8:43 ` David Marchand [this message]
2025-09-16 13:09 ` [PATCH v2 0/2] vhost: VDUSE startup workaround and fix Patrick Robb
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