Re: [PATCH net 2/2] vhost: fix ubuf_info cleanup

From: David Miller
Date: Tue Jun 11 2013 - 05:47:08 EST

From: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
Date: Thu, 6 Jun 2013 15:20:46 +0300

> vhost_net_clear_ubuf_info didn't clear ubuf_info
> after kfree, this could trigger double free.
> Fix this and simplify this code to make it more robust: make sure
> ubuf info is always freed through vhost_net_clear_ubuf_info.
> Reported-by: Tommi Rantala <tt.rantala@xxxxxxxxx>
> Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>

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