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authorNicolas Dichtel <nicolas.dichtel@6wind.com>2009-04-27 02:58:59 -0700
committerDavid S. Miller <davem@davemloft.net>2009-04-27 02:58:59 -0700
commit6a783c9067e3f71aac61a9262fe42c1f68efd4fc (patch)
treea1bc0c5f7625dfc71e777dba2ebb546df820be02
parent8f955d7f042e4ac44891a400d5000928f8db9f58 (diff)
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xfrm: wrong hash value for temporary SA
When kernel inserts a temporary SA for IKE, it uses the wrong hash value for dst list. Two hash values were calcultated before: one with source address and one with a wildcard source address. Bug hinted by Junwei Zhang <junwei.zhang@6wind.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/xfrm/xfrm_state.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 8227172..5f1f865 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -794,7 +794,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
{
static xfrm_address_t saddr_wildcard = { };
struct net *net = xp_net(pol);
- unsigned int h;
+ unsigned int h, h_wildcard;
struct hlist_node *entry;
struct xfrm_state *x, *x0, *to_put;
int acquire_in_progress = 0;
@@ -819,8 +819,8 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
if (best)
goto found;
- h = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, family);
- hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
+ h_wildcard = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, family);
+ hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h_wildcard, bydst) {
if (x->props.family == family &&
x->props.reqid == tmpl->reqid &&
!(x->props.flags & XFRM_STATE_WILDRECV) &&