[AF_KEY]: Fix skb leak on pfkey_send_migrate() error
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 26d5e63..76dcd88 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3593,27 +3593,29 @@
/* old ipsecrequest */
int mode = pfkey_mode_from_xfrm(mp->mode);
if (mode < 0)
- return -EINVAL;
+ goto err;
if (set_ipsecrequest(skb, mp->proto, mode,
(mp->reqid ? IPSEC_LEVEL_UNIQUE : IPSEC_LEVEL_REQUIRE),
mp->reqid, mp->old_family,
- &mp->old_saddr, &mp->old_daddr) < 0) {
- return -EINVAL;
- }
+ &mp->old_saddr, &mp->old_daddr) < 0)
+ goto err;
/* new ipsecrequest */
if (set_ipsecrequest(skb, mp->proto, mode,
(mp->reqid ? IPSEC_LEVEL_UNIQUE : IPSEC_LEVEL_REQUIRE),
mp->reqid, mp->new_family,
- &mp->new_saddr, &mp->new_daddr) < 0) {
- return -EINVAL;
- }
+ &mp->new_saddr, &mp->new_daddr) < 0)
+ goto err;
}
/* broadcast migrate message to sockets */
pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL);
return 0;
+
+err:
+ kfree_skb(skb);
+ return -EINVAL;
}
#else
static int pfkey_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,