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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-07-02 10:05:01 +0200 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2010-07-02 10:05:01 +0200 |
| commit | 499031ac8a3df6738f6186ded9da853e8ea18253 (patch) | |
| tree | fe80f44cf43ccd9a642cbdb5aba7637820e83657 | |
| parent | aea9d711f3d68c656ad31ab578ecfb0bb5cd7f97 (diff) | |
| download | linux-499031ac8a3df6738f6186ded9da853e8ea18253.tar.gz linux-499031ac8a3df6738f6186ded9da853e8ea18253.tar.bz2 linux-499031ac8a3df6738f6186ded9da853e8ea18253.zip | |
netfilter: ip6t_REJECT: fix a dst leak in ipv6 REJECT
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>
Cc: stable@kernel.org
Signed-off-by: Patrick McHardy <kaber@trash.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 47d227713758..2933396e0281 100644 --- a/net/ipv6/netfilter/ip6t_REJECT.c +++ b/net/ipv6/netfilter/ip6t_REJECT.c @@ -97,9 +97,11 @@ 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; |