netfilter: ctnetlink: fix expectation mask dump

The protocol number is not initialized, so userspace can't interpret
the layer 4 data properly.

Signed-off-by: Patrick McHardy <kaber@trash.net>

diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 59d8064..42f21c0 100644 (file)
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1437,8 +1437,9 @@ ctnetlink_exp_dump_mask(struct sk_buff *skb,
        struct nlattr *nest_parms;
 
        memset(&m, 0xFF, sizeof(m));
-       m.src.u.all = mask->src.u.all;
        memcpy(&m.src.u3, &mask->src.u3, sizeof(m.src.u3));
+       m.src.u.all = mask->src.u.all;
+       m.dst.protonum = tuple->dst.protonum;
 
        nest_parms = nla_nest_start(skb, CTA_EXPECT_MASK | NLA_F_NESTED);
        if (!nest_parms)