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netfilter: ctnetlink: fix incorrect NAT expectation dumping

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nf_ct_expect_alloc leaves unset the expectation NAT fields. However,
ctnetlink_exp_dump_expect expects them to be zeroed in case they are
not used, which may not be the case. This results in dumping the NAT
tuple of the expectation when it should not.

Fix it by zeroing the NAT fields of the expectation.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2013-07-09 20:16:39 +02:00
parent 63345b4794
commit f09eca8db0
1 changed files with 5 additions and 0 deletions
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5
net/netfilter/nf_conntrack_expect.c
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@ -293,6 +293,11 @@ void nf_ct_expect_init(struct nf_conntrack_expect *exp, unsigned int class,
sizeof(exp->tuple.dst.u3) - len); sizeof(exp->tuple.dst.u3) - len);
exp->tuple.dst.u.all = *dst; exp->tuple.dst.u.all = *dst;
#ifdef CONFIG_NF_NAT_NEEDED
memset(&exp->saved_addr, 0, sizeof(exp->saved_addr));
memset(&exp->saved_proto, 0, sizeof(exp->saved_proto));
#endif
} }
EXPORT_SYMBOL_GPL(nf_ct_expect_init); EXPORT_SYMBOL_GPL(nf_ct_expect_init);