diff options
| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-07-02 10:05:01 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-02 10:26:35 -0700 |
| commit | 14312cc5aab87a27d9064da50af4192743c1cedf (patch) | |
| tree | 34cb0649cf7f2af4be09f9da1394cc0bbdc9796b /net | |
| parent | d8279e0dc5e3e1520bfdad4d24489b606f54dadd (diff) | |
netfilter: ip6t_REJECT: fix a dst leak in ipv6 REJECT
commit 499031ac8a3df6738f6186ded9da853e8ea18253 upstream.
We should release dst if dst->error is set.
Bug introduced in 2.6.14 by commit e104411b82f5c
([XFRM]: Always release dst_entry on error in xfrm_lookup)
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/netfilter/ip6t_REJECT.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c index 8311ca31816..35ae554d7ac 100644 --- a/net/ipv6/netfilter/ip6t_REJECT.c +++ b/net/ipv6/netfilter/ip6t_REJECT.c @@ -95,9 +95,11 @@ static void send_reset(struct net *net, struct sk_buff *oldskb) fl.fl_ip_dport = otcph.source; security_skb_classify_flow(oldskb, &fl); dst = ip6_route_output(net, NULL, &fl); - if (dst == NULL) + if (dst == NULL || dst->error) { + dst_release(dst); return; - if (dst->error || xfrm_lookup(net, &dst, &fl, NULL, 0)) + } + if (xfrm_lookup(net, &dst, &fl, NULL, 0)) return; hh_len = (dst->dev->hard_header_len + 15)&~15; |