Greg KH <[email protected]> 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 <[email protected]>
To: [email protected]
Subject: [NET]: Fix zero-size datagram reception
tree ee282f7fd6e465d7b031d64b9ed7c03233ea94cf
parent c2da8acaf488b8651edfb04ebf3ab089f3a7830f
author Herbert Xu <[email protected]> Wed, 02 Nov 2005 18:55:00 +1100
committer Arnaldo Carvalho de Melo <[email protected]> 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 <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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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