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authorPablo Neira Ayuso <pablo@netfilter.org>2012-04-03 16:45:54 +0200
committerDavid S. Miller <davem@davemloft.net>2012-04-03 19:20:30 -0400
commitd96fc659aeb27686cef42d305cfd0c9702f8841c (patch)
treee021455bc7c25a1dfc80360b05caf5bc55dc68ae /net
parentee14186f8d2338227888f3c00a06caf31f94de38 (diff)
downloadlinux-d96fc659aeb27686cef42d305cfd0c9702f8841c.tar.gz
netfilter: nf_conntrack: fix count leak in error path of __nf_conntrack_alloc
We have to decrement the conntrack counter if we fail to access the zone extension. Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nf_conntrack_core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index cbdb754dbb10..3cc4487ac349 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -735,6 +735,7 @@ __nf_conntrack_alloc(struct net *net, u16 zone,
#ifdef CONFIG_NF_CONNTRACK_ZONES
out_free:
+ atomic_dec(&net->ct.count);
kmem_cache_free(net->ct.nf_conntrack_cachep, ct);
return ERR_PTR(-ENOMEM);
#endif