patches for DPDK stable branches
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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>,
	dev@dpdk.org, chenbo.xia@intel.com, amorenoz@redhat.com
Cc: stable@dpdk.org, Yu Jiang <yux.jiang@intel.com>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] vhost: fix virtqueue initialization
Date: Mon, 9 Nov 2020 18:37:28 +0000
Message-ID: <d22f8483-fe5d-8b8a-f50e-48bbcee3f672@intel.com> (raw)
In-Reply-To: <20201106144744.176463-1-maxime.coquelin@redhat.com>

On 11/6/2020 2:47 PM, Maxime Coquelin wrote:
> This patches fixes virtqueue initialization issue causing
> segfault or file descriptor being closed unexpectedly.
> 
> The wrong index was passed to init_vring_queue() by
> alloc_vring_queue() when a hole in the virtqueue array was
> met.
> 
> Fixes: 8acd7c213353 ("vhost: fix virtqueues metadata allocation")
> Cc: stable@dpdk.org
> 

Since the issue is introduced in this release, there is nothing to backport and 
stable tag is not required, removing it in next-net.

> Reported-by: Yu Jiang <yux.jiang@intel.com>
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
>   lib/librte_vhost/vhost.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
> index 8a151a9c1d..b83cf639eb 100644
> --- a/lib/librte_vhost/vhost.c
> +++ b/lib/librte_vhost/vhost.c
> @@ -605,7 +605,7 @@ alloc_vring_queue(struct virtio_net *dev, uint32_t vring_idx)
>   		}
>   
>   		dev->virtqueue[i] = vq;
> -		init_vring_queue(dev, vring_idx);
> +		init_vring_queue(dev, i);
>   		rte_spinlock_init(&vq->access_lock);
>   		vq->avail_wrap_counter = 1;
>   		vq->used_wrap_counter = 1;
> 


  parent reply	other threads:[~2020-11-09 18:37 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-06 14:47 [dpdk-stable] " Maxime Coquelin
2020-11-06 15:56 ` [dpdk-stable] [dpdk-dev] " David Marchand
2020-11-09  5:09 ` [dpdk-stable] " Jiang, YuX
2020-11-09 18:38   ` [dpdk-stable] [dpdk-dev] " Ferruh Yigit
2020-11-09 16:31 ` [dpdk-stable] " Maxime Coquelin
2020-11-09 18:37 ` Ferruh Yigit [this message]
2020-11-09 18:39   ` [dpdk-stable] [dpdk-dev] " Maxime Coquelin
2020-11-09 18:40   ` Ferruh Yigit

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