netdev - Re: Fix skb_set_peeked use-after-free bug

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Message-ID: <20150804095011.GA28055@gondor.apana.org.au>
Date:	Tue, 4 Aug 2015 17:50:11 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Laight <David.Laight@...LAB.COM>
Cc:	bblanco@...mgrid.com, netdev@...r.kernel.org, davem@...emloft.net,
	khlebnikov@...dex-team.ru
Subject: Re: Fix skb_set_peeked use-after-free bug

David Laight <David.Laight@...lab.com> wrote:
>
> In that case, what happens to the receive queue when skb_clone()
> takes a copy of the skb - freeing the original one?

The new skb is inserted into the recv queue and replacing the
existing skb.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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