linux-kernel - [PATCH 4.4 30/63] netfilter: nfnetlink

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Date:   Fri, 16 Mar 2018 16:23:02 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Florian Westphal <fw@...len.de>,
        Pablo Neira Ayuso <pablo@...filter.org>
Subject: [PATCH 4.4 30/63] netfilter: nfnetlink_queue: fix timestamp attribute

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Florian Westphal <fw@...len.de>

commit a7f1884554b81bd68cd435d72f09a3527629ac43 upstream.

Since 4.4 we erronously use timestamp of the netlink skb (which is zero).

Bugzilla: https://bugzilla.netfilter.org/show_bug.cgi?id=1066
Fixes: b28b1e826f818c30ea7 ("netfilter: nfnetlink_queue: use y2038 safe timestamp")
Signed-off-by: Florian Westphal <fw@...len.de>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 net/netfilter/nfnetlink_queue.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -501,7 +501,7 @@ nfqnl_build_packet_message(struct net *n
 
 	if (entskb->tstamp.tv64) {
 		struct nfqnl_msg_packet_timestamp ts;
-		struct timespec64 kts = ktime_to_timespec64(skb->tstamp);
+		struct timespec64 kts = ktime_to_timespec64(entskb->tstamp);
 
 		ts.sec = cpu_to_be64(kts.tv_sec);
 		ts.usec = cpu_to_be64(kts.tv_nsec / NSEC_PER_USEC);