[PATCH 3.10 23/58] ipv6: fix leaking uninitialized port number of offender sockaddr

From: Greg Kroah-Hartman
Date: Fri Dec 06 2013 - 17:16:04 EST


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

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

From: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>

[ Upstream commit 1fa4c710b6fe7b0aac9907240291b6fe6aafc3b8 ]

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

Signed-off-by: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv6/datagram.c | 1 +
1 file changed, 1 insertion(+)

--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -378,6 +378,7 @@ int ipv6_recv_error(struct sock *sk, str
if (serr->ee.ee_origin != SO_EE_ORIGIN_LOCAL) {
sin->sin6_family = AF_INET6;
sin->sin6_flowinfo = 0;
+ sin->sin6_port = 0;
if (skb->protocol == htons(ETH_P_IPV6)) {
sin->sin6_addr = ipv6_hdr(skb)->saddr;
if (np->rxopt.all)


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