linux-kernel - Re: [PATCH] fix memory leak in virtio

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Message-Id: <200908122211.53890.rusty@rustcorp.com.au>
Date:	Wed, 12 Aug 2009 22:11:53 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Avi Kivity <avi@...hat.com>
Cc:	Shirley Ma <mashirle@...ibm.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] fix memory leak in virtio_net

On Tue, 11 Aug 2009 09:22:58 pm Avi Kivity wrote:
> (copying Rusty, the virtio maintainer)
> 
> On 08/10/2009 11:05 PM, Shirley Ma wrote:
> > Whild reading virtio code, I found some memory leak in removing
> > virtio_net.
> >
> > In virtnet_remove, only skb has been freed not the pages in skb
> > frags. Here is the patch to fix this, please review it.

Nope, kfree_skb() frees the frags.

It needs to, otherwise we leak on every received packet!

Cheers,
Rusty.
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