diff mbox

[064/102] genetlink: trigger BUG_ON if a group name is too long

Message ID 1365414657-29191-65-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques April 8, 2013, 9:50 a.m. UTC 
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 mbox

Patch

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();