netdev - [PATCH next v3 1/3] ipvlan: scrub skb before routing in L3 mode.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1455767550-16896-1-git-send-email-mahesh@bandewar.net>
Date:	Wed, 17 Feb 2016 19:52:30 -0800
From:	Mahesh Bandewar <mahesh@...dewar.net>
To:	David Miller <davem@...emloft.net>
Cc:	Mahesh Bandewar <maheshb@...gle.com>,
	Eric Dumazet <edumazet@...gle.com>,
	netdev <netdev@...r.kernel.org>
Subject: [PATCH next v3 1/3] ipvlan: scrub skb before routing in L3 mode.

From: Mahesh Bandewar <maheshb@...gle.com>

Scrub skb before hitting the iptable hooks to ensure packets hit
these hooks in master's namespace.

Signed-off-by: Mahesh Bandewar <maheshb@...gle.com>
---
 drivers/net/ipvlan/ipvlan_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
index 8c48bb2a94ea..a1f87ec316cf 100644
--- a/drivers/net/ipvlan/ipvlan_core.c
+++ b/drivers/net/ipvlan/ipvlan_core.c
@@ -365,7 +365,7 @@ static int ipvlan_process_v4_outbound(struct sk_buff *skb)
 		ip_rt_put(rt);
 		goto err;
 	}
-	skb_dst_drop(skb);
+	skb_scrub_packet(skb, true);
 	skb_dst_set(skb, &rt->dst);
 	err = ip_local_out(net, skb->sk, skb);
 	if (unlikely(net_xmit_eval(err)))
@@ -403,7 +403,7 @@ static int ipvlan_process_v6_outbound(struct sk_buff *skb)
 		dst_release(dst);
 		goto err;
 	}
-	skb_dst_drop(skb);
+	skb_scrub_packet(skb, true);
 	skb_dst_set(skb, dst);
 	err = ip6_local_out(net, skb->sk, skb);
 	if (unlikely(net_xmit_eval(err)))
-- 
2.7.0.rc3.207.g0ac5344