diff options
| -rw-r--r-- | net/xdp/xsk.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index 6bb0649c028c..d5a9c43930de 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -515,6 +515,8 @@ static int xsk_setsockopt(struct socket *sock, int level, int optname, struct xdp_umem_reg mr; struct xdp_umem *umem; + if (optlen < sizeof(mr)) + return -EINVAL; if (copy_from_user(&mr, optval, sizeof(mr))) return -EFAULT; @@ -542,6 +544,8 @@ 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; |