netdev - [PATCH net] dsa: fix promiscuity leak on slave dev open error

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>] [day] [month] [year] [list]

Date:	Thu, 25 Jun 2015 16:32:35 +0300
From:	Gilad Ben-Yossef <gilad@...yossef.com>
To:	<davem@...emloft.net>
CC:	<netdev@...r.kernel.org>, Gilad Ben-Yossef <giladb@...hip.com>,
	"Florian Fainelli" <f.fainelli@...il.com>,
	Guenter Roeck <linux@...ck-us.net>,
	"Andrew Lunn" <andrew@...n.ch>, Scott Feldman <sfeldma@...il.com>
Subject: [PATCH net] dsa: fix promiscuity leak on slave dev open error

DSA master netdev promiscuity counter was not being properly
decremented on slave device open error path.

Signed-off-by: Gilad Ben-Yossef <gilad@...yossef.com>
CC: Gilad Ben-Yossef <giladb@...hip.com>
CC: David S. Miller <davem@...emloft.net>
CC: Florian Fainelli <f.fainelli@...il.com>
CC: Guenter Roeck <linux@...ck-us.net>
CC: Andrew Lunn <andrew@...n.ch>
CC: Scott Feldman <sfeldma@...il.com>
---
 net/dsa/slave.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 04ffad3..0917123 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -112,7 +112,7 @@ static int dsa_slave_open(struct net_device *dev)
 
 clear_promisc:
 	if (dev->flags & IFF_PROMISC)
-		dev_set_promiscuity(master, 0);
+		dev_set_promiscuity(master, -1);
 clear_allmulti:
 	if (dev->flags & IFF_ALLMULTI)
 		dev_set_allmulti(master, -1);
-- 
1.7.1

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html