linux-kernel - [PATCH 3.17 29/47] vxlan: Fix boolean flip in VXLAN_F_UDP_ZERO_CSUM6

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 for Android: free password hash cracker in your pocket

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

Message-Id: <20141214201819.627823584@linuxfoundation.org>
Date:	Sun, 14 Dec 2014 12:21:04 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Tom Herbert <therbert@...gle.com>,
	Alexander Duyck <alexander.h.duyck@...hat.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.17 29/47] vxlan: Fix boolean flip in VXLAN_F_UDP_ZERO_CSUM6_[TX|RX]

3.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexander Duyck <alexander.h.duyck@...hat.com>

[ Upstream commit 3dc2b6a8d38cf6c7604ec25f3d50d6ec8da04435 ]

In "vxlan: Call udp_sock_create" there was a logic error that resulted in
the default for IPv6 VXLAN tunnels going from using checksums to not using
checksums.  Since there is currently no support in iproute2 for setting
these values it means that a kernel after the change cannot talk over a IPv6
VXLAN tunnel to a kernel prior the change.

Fixes: 3ee64f3 ("vxlan: Call udp_sock_create")

Cc: Tom Herbert <therbert@...gle.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@...hat.com>
Acked-by: Tom Herbert <therbert@...gle.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/vxlan.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2362,9 +2362,9 @@ static struct socket *vxlan_create_sock(
 	if (ipv6) {
 		udp_conf.family = AF_INET6;
 		udp_conf.use_udp6_tx_checksums =
-		    !!(flags & VXLAN_F_UDP_ZERO_CSUM6_TX);
+		    !(flags & VXLAN_F_UDP_ZERO_CSUM6_TX);
 		udp_conf.use_udp6_rx_checksums =
-		    !!(flags & VXLAN_F_UDP_ZERO_CSUM6_RX);
+		    !(flags & VXLAN_F_UDP_ZERO_CSUM6_RX);
 	} else {
 		udp_conf.family = AF_INET;
 		udp_conf.local_ip.s_addr = INADDR_ANY;


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/