From: Johannes Berg <johannes@sipsolutions.net>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Richard Cochran <richardcochran@gmail.com>,
David Miller <davem@davemloft.net>,
netdev@vger.kernel.org
Subject: Re: [PATCH 0/3] net: time stamping fixes
Date: Wed, 19 Oct 2011 15:57:18 +0200 [thread overview]
Message-ID: <1319032638.1286.7.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <1319031856.8416.19.camel@edumazet-laptop> (sfid-20111019_154501_303541_A1FD5289)
On Wed, 2011-10-19 at 15:44 +0200, Eric Dumazet wrote:
> Le mercredi 19 octobre 2011 à 15:35 +0200, Johannes Berg a écrit :
>
> > Even with that fixed I'm not really convinced of it all -- need to
> > really really really make sure that no skb->sk that was owned by a TX
> > skb is ever passed to sock_hold(). Can we really guarantee that?
>
> Either we can guarantee that, or kernel is a piece of crap, all bets are
> off.
Fair enough :-)
> Yes, we need to make an audit, since we assumed sock_hold() was the
> right thing to do in all contexts.
Ok.
Anyway, I guess you agree that the patches as-is aren't actually the
right solution since we can't sock_hold() a TX skb socket reference?
johannes
next prev parent reply other threads:[~2011-10-19 13:57 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-07 17:11 [RFC] net: remove erroneous sk null assignment in timestamping Johannes Berg
2011-10-07 17:33 ` David Miller
2011-10-07 17:40 ` Johannes Berg
2011-10-07 17:47 ` Johannes Berg
2011-10-07 17:53 ` Johannes Berg
2011-10-07 18:42 ` Johannes Berg
2011-10-08 7:59 ` Richard Cochran
2011-10-08 7:57 ` Richard Cochran
2011-10-08 8:16 ` Johannes Berg
2011-10-08 8:57 ` Eric Dumazet
2011-10-08 10:32 ` Johannes Berg
2011-10-11 13:34 ` Richard Cochran
2011-10-08 10:35 ` Richard Cochran
2011-10-12 18:36 ` [PATCH 1/1] net: hold sock reference while processing tx timestamps Richard Cochran
2011-10-12 19:25 ` Eric Dumazet
2011-10-12 19:27 ` Johannes Berg
2011-10-12 19:52 ` Eric Dumazet
2011-10-13 8:54 ` Johannes Berg
2011-10-13 4:51 ` Richard Cochran
2011-10-13 9:46 ` [PATCH 0/3] net: time stamping fixes Richard Cochran
2011-10-13 9:46 ` [PATCH 1/3] net: hold sock reference while processing tx timestamps Richard Cochran
2011-10-19 4:42 ` Eric Dumazet
2011-10-13 9:46 ` [PATCH 2/3] dp83640: use proper function to free transmit time stamping packets Richard Cochran
2011-10-19 4:47 ` Eric Dumazet
2011-10-13 9:46 ` [PATCH 3/3] dp83640: free packet queues on remove Richard Cochran
2011-10-19 4:48 ` Eric Dumazet
2011-10-19 4:16 ` [PATCH 0/3] net: time stamping fixes David Miller
2011-10-19 5:15 ` Johannes Berg
2011-10-19 11:50 ` Richard Cochran
2011-10-19 12:33 ` Eric Dumazet
2011-10-19 12:38 ` Eric Dumazet
2011-10-19 12:58 ` Johannes Berg
2011-10-19 13:09 ` Johannes Berg
2011-10-19 13:25 ` Eric Dumazet
2011-10-19 13:35 ` Johannes Berg
2011-10-19 13:44 ` Eric Dumazet
2011-10-19 13:57 ` Johannes Berg [this message]
2011-10-19 14:08 ` Eric Dumazet
2011-10-19 14:24 ` Johannes Berg
2011-10-19 14:27 ` Richard Cochran
2011-10-19 14:33 ` Eric Dumazet
2011-10-19 13:21 ` Eric Dumazet
2011-10-19 13:25 ` Johannes Berg
2011-10-19 13:27 ` Eric Dumazet
2011-10-19 13:32 ` Johannes Berg
2011-10-19 14:25 ` Richard Cochran
2011-10-21 10:49 ` [PATCH v2 " Richard Cochran
2011-10-21 10:49 ` [PATCH v2 1/3] net: hold sock reference while processing tx timestamps Richard Cochran
2011-10-21 11:31 ` Eric Dumazet
2011-10-24 6:55 ` David Miller
2011-10-21 11:44 ` Johannes Berg
2011-10-21 10:49 ` [PATCH v2 2/3] dp83640: use proper function to free transmit time stamping packets Richard Cochran
2011-10-24 6:55 ` David Miller
2011-10-24 17:47 ` Richard Cochran
2011-10-24 23:16 ` David Miller
2011-10-21 10:49 ` [PATCH v2 3/3] dp83640: free packet queues on remove Richard Cochran
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