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Subject[PATCH 3.12 23/40] ipvs: fix AF assignment in ip_vs_conn_new()
Date
From: Michal Kubecek <mkubecek@suse.cz>

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

===============

commit 2a971354e74f3837d14b9c8d7f7983b0c9c330e4 upstream.

If a fwmark is passed to ip_vs_conn_new(), it is passed in
vaddr, not daddr. Therefore we should set AF to AF_UNSPEC in
vaddr assignment (like we do in ip_vs_ct_in_get()), otherwise we
may copy only first 4 bytes of an IPv6 address into cp->daddr.

Signed-off-by: Bogdano Arendartchuk <barendartchuk@suse.com>
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
net/netfilter/ipvs/ip_vs_conn.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 4c8e5c0aa1ab..d585626d7676 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -871,11 +871,11 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p,
cp->protocol = p->protocol;
ip_vs_addr_set(p->af, &cp->caddr, p->caddr);
cp->cport = p->cport;
- ip_vs_addr_set(p->af, &cp->vaddr, p->vaddr);
- cp->vport = p->vport;
- /* proto should only be IPPROTO_IP if d_addr is a fwmark */
+ /* proto should only be IPPROTO_IP if p->vaddr is a fwmark */
ip_vs_addr_set(p->protocol == IPPROTO_IP ? AF_UNSPEC : p->af,
- &cp->daddr, daddr);
+ &cp->vaddr, p->vaddr);
+ cp->vport = p->vport;
+ ip_vs_addr_set(p->af, &cp->daddr, daddr);
cp->dport = dport;
cp->flags = flags;
cp->fwmark = fwmark;
--
1.9.1


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