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netfilter: ctnetlink: honor IPS_OFFLOAD flag 

If this flag is set, timeout and state are irrelevant to userspace.

Fixes: 90964016e5 ("netfilter: nf_conntrack: add IPS_OFFLOAD status bit")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2019-09-02 19:37:42 +02:00
parent 8820914139
commit b067fa009c
1 changed files with 5 additions and 2 deletions
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7
net/netfilter/nf_conntrack_netlink.c
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@ -553,10 +553,8 @@ ctnetlink_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type,
goto nla_put_failure;
if (ctnetlink_dump_status(skb, ct) < 0 ||
ctnetlink_dump_timeout(skb, ct) < 0 ||
ctnetlink_dump_acct(skb, ct, type) < 0 ||
ctnetlink_dump_timestamp(skb, ct) < 0 ||
ctnetlink_dump_protoinfo(skb, ct) < 0 ||
ctnetlink_dump_helpinfo(skb, ct) < 0 ||
ctnetlink_dump_mark(skb, ct) < 0 ||
ctnetlink_dump_secctx(skb, ct) < 0 ||
@ -568,6 +566,11 @@ ctnetlink_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type,
ctnetlink_dump_ct_synproxy(skb, ct) < 0)
goto nla_put_failure;
if (!test_bit(IPS_OFFLOAD_BIT, &ct->status) &&
(ctnetlink_dump_timeout(skb, ct) < 0 ||
ctnetlink_dump_protoinfo(skb, ct) < 0))
goto nla_put_failure;
nlmsg_end(skb, nlh);
return skb->len;