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authorPablo Neira Ayuso <pablo@netfilter.org>2019-09-02 19:37:42 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2019-09-03 22:55:41 +0200
commitb067fa009c884401d23846251031c1f14d8a9c77 (patch)
tree52aa59fe8afb3354a048c548c398fed3ea48de06 /net
parent88209141392a4a2521a2f67c13d7db5e84efbb58 (diff)
downloadlinux-b067fa009c884401d23846251031c1f14d8a9c77.tar.bz2
netfilter: ctnetlink: honor IPS_OFFLOAD flag
If this flag is set, timeout and state are irrelevant to userspace. Fixes: 90964016e5d3 ("netfilter: nf_conntrack: add IPS_OFFLOAD status bit") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nf_conntrack_netlink.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 6aa01eb6fe99..e2d13cd18875 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -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;