From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: w@1wt.eu, netdev@vger.kernel.org
Subject: Re: [PATCH net] tcp: fix crashes in do_tcp_sendpages()
Date: Sat, 01 Dec 2012 20:41:15 -0500 (EST) [thread overview]
Message-ID: <20121201.204115.1249972818143982491.davem@davemloft.net> (raw)
In-Reply-To: <1354403222.20109.539.camel@edumazet-glaptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sat, 01 Dec 2012 15:07:02 -0800
> From: Eric Dumazet <edumazet@google.com>
>
> Recent network changes allowed high order pages being used
> for skb fragments.
>
> This uncovered a bug in do_tcp_sendpages() which was assuming its caller
> provided an array of order-0 page pointers.
>
> We only have to deal with a single page in this function, and its order
> is irrelevant.
>
> Reported-by: Willy Tarreau <w@1wt.eu>
> Tested-by: Willy Tarreau <w@1wt.eu>
> Signed-off-by: Eric Dumazet <edumazet@google.com>
Applied, thanks Eric.
next prev parent reply other threads:[~2012-12-02 1:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-15 22:28 GRO + splice panics in 3.7.0-rc5 Willy Tarreau
2012-11-15 23:49 ` Eric Dumazet
2012-11-16 6:39 ` Willy Tarreau
2012-12-01 19:43 ` Willy Tarreau
2012-12-01 20:52 ` Willy Tarreau
2012-12-01 21:47 ` Eric Dumazet
2012-12-01 22:32 ` Eric Dumazet
2012-12-01 22:40 ` Willy Tarreau
2012-12-01 23:07 ` [PATCH net] tcp: fix crashes in do_tcp_sendpages() Eric Dumazet
2012-12-02 1:41 ` David Miller [this message]
2012-12-02 1:43 ` Joe Perches
2012-12-02 2:58 ` GRO + splice panics in 3.7.0-rc5 Eric Dumazet
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