Re: Linux 2.6.14.1

From: Andrew Morton (akpm_at_osdl.org)
Date: 11/09/05

  • Next message: David S. Miller: "Re: Linux 2.6.14.1" 
    Date:	Tue, 8 Nov 2005 21:13:54 -0800
To: Greg KH <gregkh@suse.de>

    Greg KH <gregkh@suse.de> wrote:
    >
    > We (the -stable team) are announcing the release of the 2.6.14.1 kernel.

    We need the fix for the net-drops-zero-length-udp-messages bug which broke
    bind and traceroute.

    Begin forwarded message:

    Date: Fri, 4 Nov 2005 12:04:53 -0800
    From: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
    To: git-commits-head@vger.kernel.org
    Subject: [NET]: Fix zero-size datagram reception

    tree ee282f7fd6e465d7b031d64b9ed7c03233ea94cf
    parent c2da8acaf488b8651edfb04ebf3ab089f3a7830f
    author Herbert Xu <herbert@gondor.apana.org.au> Wed, 02 Nov 2005 18:55:00 +1100
    committer Arnaldo Carvalho de Melo <acme@mandriva.com> Thu, 03 Nov 2005 02:25:04 -0200

    [NET]: Fix zero-size datagram reception

    The recent rewrite of skb_copy_datagram_iovec broke the reception of
    zero-size datagrams. This patch fixes it.

    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
    Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

     net/core/datagram.c | 4 ++++
     1 files changed, 4 insertions(+)

    diff --git a/net/core/datagram.c b/net/core/datagram.c
    index 81987df..d219435 100644
    --- a/net/core/datagram.c
    +++ b/net/core/datagram.c
    @@ -213,6 +213,10 @@ int skb_copy_datagram_iovec(const struct
     {
             int i, err, fraglen, end = 0;
             struct sk_buff *next = skb_shinfo(skb)->frag_list;
    +
    + if (!len)
    + return 0;
    +
     next_skb:
             fraglen = skb_headlen(skb);
             i = -1;
    -
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