diff options
| -rw-r--r-- | net/xdp/xsk.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index d04a2345bc3f..2ffcda7b1678 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -809,6 +809,8 @@ static int xsk_setsockopt(struct socket *sock, int level, int optname, struct xsk_queue **q; int entries; + if (optlen < sizeof(entries)) + return -EINVAL; if (copy_from_user(&entries, optval, sizeof(entries))) return -EFAULT; |