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authorPatrick McHardy <kaber@trash.net>2007-01-09 00:03:26 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2007-01-09 00:30:07 -0800
commit88044c8c9635b2ec67a27c6f334965e5b97eb2c7 (patch)
tree281c94c650cb870d1af89fe1baf26fce9536472b /net/netfilter/nf_conntrack_netbios_ns.c
parentc1d2a1965a00693bddaddf75d57488a0d8e891af (diff)
[NETFILTER]: nf_conntrack_netbios_ns: fix uninitialized member in expectation
->helper is uninitialized in the expectation registered by the netbios_ns helper and it later copied to the expected connection, which causes invalid memory dereferences when trying to call the helper. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter/nf_conntrack_netbios_ns.c')
-rw-r--r--net/netfilter/nf_conntrack_netbios_ns.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/netfilter/nf_conntrack_netbios_ns.c b/net/netfilter/nf_conntrack_netbios_ns.c
index a5b234e444d..2a48efdf0d6 100644
--- a/net/netfilter/nf_conntrack_netbios_ns.c
+++ b/net/netfilter/nf_conntrack_netbios_ns.c
@@ -89,6 +89,7 @@ static int help(struct sk_buff **pskb, unsigned int protoff,
exp->expectfn = NULL;
exp->flags = NF_CT_EXPECT_PERMANENT;
+ exp->helper = NULL;
nf_conntrack_expect_related(exp);
nf_conntrack_expect_put(exp);