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[AF_KEY]: Fix skb leak on pfkey_send_migrate() error

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Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2008-01-20 17:24:29 -08:00 committed by David S. Miller
parent 421c991483
commit d4782c323d
1 changed files with 9 additions and 7 deletions
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16
net/key/af_key.c
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@ -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,