[ 3.8.y.z extended stable ] Patch "netfilter: nfnetlink_acct: fix incomplete dumping of objects" has been added to staging queue

Luis Henriques luis.henriques at canonical.com
Tue Jul 9 16:29:35 UTC 2013


This is a note to let you know that I have just added a patch titled

    netfilter: nfnetlink_acct: fix incomplete dumping of objects

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From 06c7da8ce4f532391d3bb80f9b538aef7de1b0d7 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo at netfilter.org>
Date: Sat, 1 Jun 2013 15:31:40 +0200
Subject: [PATCH] netfilter: nfnetlink_acct: fix incomplete dumping of objects

commit 991a6b735ff47710769545b11e481bb140b2e6f7 upstream.

Fix broken incomplete object dumping if the list of objects does not
fit into one single netlink message.

Reported-by: Gabriel Lazar <Gabriel.Lazar at com.utcluj.ro>
Signed-off-by: Pablo Neira Ayuso <pablo at netfilter.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 net/netfilter/nfnetlink_acct.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c
index 589d686..125bd35 100644
--- a/net/netfilter/nfnetlink_acct.c
+++ b/net/netfilter/nfnetlink_acct.c
@@ -147,9 +147,12 @@ nfnl_acct_dump(struct sk_buff *skb, struct netlink_callback *cb)

 	rcu_read_lock();
 	list_for_each_entry_rcu(cur, &nfnl_acct_list, head) {
-		if (last && cur != last)
-			continue;
+		if (last) {
+			if (cur != last)
+				continue;

+			last = NULL;
+		}
 		if (nfnl_acct_fill_info(skb, NETLINK_CB(cb->skb).portid,
 				       cb->nlh->nlmsg_seq,
 				       NFNL_MSG_TYPE(cb->nlh->nlmsg_type),
--
1.8.1.2





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