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| author | Romain Bellan <romain.bellan@wifirst.fr> | 2020-03-27 09:26:32 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-03-30 02:05:36 +0200 |
| commit | 7c6b4121627aeaa79536fbb900feafec740410d3 (patch) | |
| tree | af6bce3af0c1176b5a4e780717708b20e1913d0c /net | |
| parent | netfilter: nf_queue: prefer nf_queue_entry_free (diff) | |
| download | linux-7c6b4121627aeaa79536fbb900feafec740410d3.tar.xz linux-7c6b4121627aeaa79536fbb900feafec740410d3.zip | |
netfilter: ctnetlink: be more strict when NF_CONNTRACK_MARK is not set
When CONFIG_NF_CONNTRACK_MARK is not set, any CTA_MARK or CTA_MARK_MASK
in netlink message are not supported. We should return an error when one
of them is set, not both
Fixes: 9306425b70bf ("netfilter: ctnetlink: must check mark attributes vs NULL")
Signed-off-by: Romain Bellan <romain.bellan@wifirst.fr>
Signed-off-by: Florent Fourcot <florent.fourcot@wifirst.fr>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nf_conntrack_netlink.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index eb190206cd12..9ddfcd002d3b 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -860,7 +860,7 @@ ctnetlink_alloc_filter(const struct nlattr * const cda[], u8 family) struct ctnetlink_filter *filter; #ifndef CONFIG_NF_CONNTRACK_MARK - if (cda[CTA_MARK] && cda[CTA_MARK_MASK]) + if (cda[CTA_MARK] || cda[CTA_MARK_MASK]) return ERR_PTR(-EOPNOTSUPP); #endif |