netfilter: nf_conntrack: Support expectations in different zones

commit 4b31814d20 upstream.

When zones were originally introduced, the expectation functions were
all extended to perform lookup using the zone. However, insertion was
not modified to check the zone. This means that two expectations which
are intended to apply for different connections that have the same tuple
but exist in different zones cannot both be tracked.

Fixes: 5d0aa2ccd4 (netfilter: nf_conntrack: add support for "conntrack zones")
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
This commit is contained in:
Joe Stringer
2015-07-21 21:37:31 -07:00
committed by Ben Hutchings
parent 0f0aa7b163
commit c2e3fd156e

View File

@ -205,7 +205,8 @@ static inline int expect_clash(const struct nf_conntrack_expect *a,
a->mask.src.u3.all[count] & b->mask.src.u3.all[count];
}
return nf_ct_tuple_mask_cmp(&a->tuple, &b->tuple, &intersect_mask);
return nf_ct_tuple_mask_cmp(&a->tuple, &b->tuple, &intersect_mask) &&
nf_ct_zone(a->master) == nf_ct_zone(b->master);
}
static inline int expect_matches(const struct nf_conntrack_expect *a,