Gitweb: http://git.kernel.org/linus/499031ac8a3df6738f6186ded9da853e8ea18253
Commit: 499031ac8a3df6738f6186ded9da853e8ea18253
Parent: aea9d711f3d68c656ad31ab578ecfb0bb5cd7f97
Author: Eric Dumazet <eric.dumazet@gmail.com>
AuthorDate: Fri Jul 2 10:05:01 2010 +0200
Committer: Patrick McHardy <kaber@trash.net>
CommitDate: Fri Jul 2 10:05:01 2010 +0200
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>
---
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 47d2277..2933396 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;
--
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