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Open Source and information security mailing list archives
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Date: Thu, 10 Apr 2014 10:19:21 +0200 From: Daniel Borkmann <dborkman@...hat.com> To: Eric Dumazet <eric.dumazet@...il.com> CC: David Miller <davem@...emloft.net>, netdev <netdev@...r.kernel.org>, Xi Wang <xii@...gle.com> Subject: Re: [PATCH] packet: fix potential use after free On 04/10/2014 03:22 AM, Eric Dumazet wrote: > From: Eric Dumazet <edumazet@...gle.com> > > As soon skb is queued into sk_receive_queue, it can be consumed, > so its racy to access skb->len. > > Given that sk_data_ready() / sock_def_readable() don't really care, just > use 0 instead of skb->len > > Signed-off-by: Eric Dumazet <edumazet@...gle.com> > Cc: Xi Wang <xii@...gle.com> Acked-by: Daniel Borkmann <dborkman@...hat.com> Seems to be there since pre 2005 ... -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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