diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index cb54ebda0a8a..8ecf01f1b689 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -7366,6 +7366,8 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
 		return -EINVAL;
 	if (unlikely(req->opcode >= IORING_OP_LAST))
 		return -EINVAL;
+	req->opcode = array_index_nospec(req->opcode, IORING_OP_LAST);
+
 	if (!io_check_restriction(ctx, req, sqe_flags))
 		return -EACCES;