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| author | Pau Espin Pedrol <pau.espin@tessares.net> | 2017-01-06 19:33:27 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-11 15:49:35 (GMT) |
| commit | 9acfb313849e44e956a393b91a63386f7ef1df97 (patch) | |
| tree | c51eddec67bdf50f37c21001ddc8c5e707c9b87e /net/ipv4 | |
| parent | 2e2a390b7f6784d2409656f5ccf3433f4ec3e18d (diff) | |
| download | linux-9acfb313849e44e956a393b91a63386f7ef1df97.tar.xz | |
netfilter: use fwmark_reflect in nf_send_reset
[ Upstream commit cc31d43b4154ad5a7d8aa5543255a93b7e89edc2 ]
Otherwise, RST packets generated by ipt_REJECT always have mark 0 when
the routing is checked later in the same code path.
Fixes: e110861f8609 ("net: add a sysctl to reflect the fwmark on replies")
Cc: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: Pau Espin Pedrol <pau.espin@tessares.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/netfilter/nf_reject_ipv4.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/netfilter/nf_reject_ipv4.c b/net/ipv4/netfilter/nf_reject_ipv4.c index fd82202..146d861 100644 --- a/net/ipv4/netfilter/nf_reject_ipv4.c +++ b/net/ipv4/netfilter/nf_reject_ipv4.c @@ -126,6 +126,8 @@ void nf_send_reset(struct net *net, struct sk_buff *oldskb, int hook) /* ip_route_me_harder expects skb->dst to be set */ skb_dst_set_noref(nskb, skb_dst(oldskb)); + nskb->mark = IP4_REPLY_MARK(net, oldskb->mark); + skb_reserve(nskb, LL_MAX_HEADER); niph = nf_reject_iphdr_put(nskb, oldskb, IPPROTO_TCP, ip4_dst_hoplimit(skb_dst(nskb))); |