From: Johannes Berg <johannes@sipsolutions.net>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>, netdev@vger.kernel.org
Subject: Re: [PATCH net-next-2.6] netlink: netlink_recvmsg() fix
Date: Mon, 16 Aug 2010 08:22:33 +0200 [thread overview]
Message-ID: <1281939753.3683.5.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <1281939002.2942.70.camel@edumazet-laptop>
On Mon, 2010-08-16 at 08:10 +0200, Eric Dumazet wrote:
> We'll find another way to address the problem.
For my understanding: The problem is that the save/restore of the
frag_list skb can race so a second reader will not see the frag_list skb
because it gets there while it's NULL. This happens with MSG_PEEK, or
with clones of the SKB since skb_shared_info is invariant across clones.
Correct?
johannes
next prev parent reply other threads:[~2010-08-16 6:22 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 13:16 [PATCH net-next-2.6] netlink: netlink_recvmsg() fix Eric Dumazet
2010-07-20 15:20 ` Eric Dumazet
2010-07-21 8:05 ` Johannes Berg
2010-07-21 8:20 ` Eric Dumazet
2010-07-21 8:43 ` Eric Dumazet
2010-07-26 4:55 ` David Miller
2010-07-26 20:08 ` David Miller
2010-07-26 20:39 ` Eric Dumazet
2010-07-26 20:48 ` David Miller
2010-07-26 20:55 ` Eric Dumazet
2010-08-13 14:00 ` Johannes Berg
2010-08-13 14:35 ` Johannes Berg
2010-08-13 14:48 ` Eric Dumazet
2010-08-13 15:13 ` Johannes Berg
2010-08-15 5:37 ` David Miller
2010-08-16 5:25 ` Johannes Berg
2010-08-16 6:10 ` Eric Dumazet
2010-08-16 6:21 ` David Miller
2010-08-16 6:22 ` Johannes Berg [this message]
2010-08-16 6:29 ` Eric Dumazet
2010-08-16 6:31 ` Johannes Berg
2010-08-16 7:20 ` [PATCH] netlink: fix compat recvmsg Johannes Berg
2010-08-16 12:50 ` Eric Dumazet
2010-08-16 12:54 ` Johannes Berg
2010-08-16 13:01 ` Eric Dumazet
2010-08-19 6:36 ` David Miller
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