Commit 88044c8c authored Jan 09, 2007 by Patrick McHardy Committed by David S. Miller Jan 09, 2007

[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>

parent c1d2a196

net/netfilter/nf_conntrack_netbios_ns.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);