linux-kernel - [PATCH 3.5 018/103] ipv6: fix leaking uninitialized port number of offender sockaddr

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Message-Id: <1387304012-23805-19-git-send-email-luis.henriques@canonical.com>
Date:	Tue, 17 Dec 2013 18:12:07 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	"David S. Miller" <davem@...emloft.net>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.5 018/103] ipv6: fix leaking uninitialized port number of offender sockaddr

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

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

From: Hannes Frederic Sowa <hannes@...essinduktion.org>

commit 1fa4c710b6fe7b0aac9907240291b6fe6aafc3b8 upstream.

Offenders don't have port numbers, so set it to 0.

Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>
Signed-off-by: David S. Miller <davem@...emloft.net>
[ luis: backported to 3.5: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 net/ipv6/datagram.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 876739f..bbff67f 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -377,6 +377,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
 	if (serr->ee.ee_origin != SO_EE_ORIGIN_LOCAL) {
 		sin->sin6_family = AF_INET6;
 		sin->sin6_flowinfo = 0;
+		sin->sin6_port = 0;
 		sin->sin6_scope_id = 0;
 		if (skb->protocol == htons(ETH_P_IPV6)) {
 			sin->sin6_addr = ipv6_hdr(skb)->saddr;
-- 
1.8.3.2

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