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From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: brouer@redhat.com, netdev@vger.kernel.org,
	lorenzo.bianconi@redhat.com, davem@davemloft.net,
	kuba@kernel.org, thomas.petazzoni@bootlin.com,
	echaudro@redhat.com
Subject: Re: [PATCH net] net: mvneta: fix possible use-after-free in mvneta_xdp_put_buff
Date: Thu, 10 Sep 2020 14:23:20 +0200	[thread overview]
Message-ID: <20200910142320.163ecb67@carbon> (raw)
In-Reply-To: <f203fdb6060bb3ba8ff3f27a30767941a4a01c17.1599728755.git.lorenzo@kernel.org>

On Thu, 10 Sep 2020 11:08:01 +0200
Lorenzo Bianconi <lorenzo@kernel.org> wrote:

> Release first buffer as last one since it contains references
> to subsequent fragments. This code will be optimized introducing
> multi-buffer bit in xdp_buff structure.
> 
> Fixes: ca0e014609f05 ("net: mvneta: move skb build after descriptors processing")
> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>

Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer


  reply	other threads:[~2020-09-10 21:55 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-10  9:08 [PATCH net] net: mvneta: fix possible use-after-free in mvneta_xdp_put_buff Lorenzo Bianconi
2020-09-10 12:23 ` Jesper Dangaard Brouer [this message]
2020-09-10 22:04 ` David Miller

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