diff options
| author | Masatake YAMATO <yamato@redhat.com> | 2013-03-19 01:47:27 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-03-20 12:05:51 -0400 |
| commit | f1e79e208076ffe7bad97158275f1c572c04f5c7 (patch) | |
| tree | ce2a0769199516ab9581f910266c51a8affdf1f1 /net/netlink/genetlink.c | |
| parent | 90b2621fd465949e1714127e829a79160de14b38 (diff) | |
genetlink: trigger BUG_ON if a group name is too long
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>
Diffstat (limited to 'net/netlink/genetlink.c')
| -rw-r--r-- | net/netlink/genetlink.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index f2aabb6f4105..5a55be3f17a5 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(); |