lkml.org 
[lkml]   [2013]   [Apr]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 064/102] genetlink: trigger BUG_ON if a group name is too long
Date
3.5.7.10 -stable review patch.  If anyone has any objections, please let me know.

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

From: Masatake YAMATO <yamato@redhat.com>

commit f1e79e208076ffe7bad97158275f1c572c04f5c7 upstream.

Trigger BUG_ON if a group name is longer than GENL_NAMSIZ.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
net/netlink/genetlink.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 2cc7c1e..4be473d 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -142,6 +142,7 @@ int genl_register_mc_group(struct genl_family *family,
int err = 0;

BUG_ON(grp->name[0] == '\0');
+ BUG_ON(memchr(grp->name, '\0', GENL_NAMSIZ) == NULL);

genl_lock();

--
1.8.1.2


\
 
 \ /
  Last update: 2013-04-08 13:01    [W:0.306 / U:0.372 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site