linux-kernel - Re: [PATCH net 2/2] vhost: fix ubuf

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Message-Id: <20130611.024658.1499256804576895449.davem@davemloft.net>
Date:	Tue, 11 Jun 2013 02:46:58 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mst@...hat.com
Cc:	netdev@...r.kernel.org, asias@...hat.com, tt.rantala@...il.com,
	kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 2/2] vhost: fix ubuf_info cleanup

From: "Michael S. Tsirkin" <mst@...hat.com>
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@...il.com>
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>

Applied.
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