[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>
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@ -89,6 +89,7 @@ static int help(struct sk_buff **pskb, unsigned int protoff,
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exp->expectfn = NULL;
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exp->flags = NF_CT_EXPECT_PERMANENT;
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exp->helper = NULL;
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nf_conntrack_expect_related(exp);
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nf_conntrack_expect_put(exp);
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