[3.16.y-ckt stable] Patch "net: reject creation of netdev names with colons" has been added to staging queue

[Luis Henriques]

This is a note to let you know that I have just added a patch titled

    net: reject creation of netdev names with colons

to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.16.y-queue

This patch is scheduled to be released in version 3.16.7-ckt9.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.16.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From 4618793e1c4f8734ccb5feb299142eabba1a8c89 Mon Sep 17 00:00:00 2001
From: Matthew Thode <mthode at mthode.org>
Date: Tue, 17 Feb 2015 18:31:57 -0600
Subject: net: reject creation of netdev names with colons

commit a4176a9391868bfa87705bcd2e3b49e9b9dd2996 upstream.

colons are used as a separator in netdev device lookup in dev_ioctl.c

Specific functions are SIOCGIFTXQLEN SIOCETHTOOL SIOCSIFNAME

Signed-off-by: Matthew Thode <mthode at mthode.org>
Signed-off-by: David S. Miller <davem at davemloft.net>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 net/core/dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index efcc7f4b4fc7..58bf1016a521 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -940,7 +940,7 @@ bool dev_valid_name(const char *name)
 		return false;

 	while (*name) {
-		if (*name == '/' || isspace(*name))
+		if (*name == '/' || *name == ':' || isspace(*name))
 			return false;
 		name++;
 	}