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authorPatrick McHardy <kaber@trash.net>2008-01-21 04:24:29 +0300
committerDavid S. Miller <davem@davemloft.net>2008-01-21 07:31:45 +0300
commitd4782c323d10d3698b71b6a6b3c7bdad33824658 (patch)
tree5c2b4706135ab68f5690adbbe7480b627476608d /net/key
parent421c991483a6e52091cd2120c007cbc220d669ae (diff)
downloadlinux-d4782c323d10d3698b71b6a6b3c7bdad33824658.tar.xz
[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>
Diffstat (limited to 'net/key')
-rw-r--r--net/key/af_key.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 26d5e63c4cc5..76dcd882f87b 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3593,27 +3593,29 @@ static int pfkey_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
/* 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,