| From | Luis Henriques <> | Subject | [PATCH 064/102] genetlink: trigger BUG_ON if a group name is too long | Date | Mon, 8 Apr 2013 10:50:19 +0100 |
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3.5.7.10 -stable review patch. If anyone has any objections, please let me know.
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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
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