diff --git a/fs/io_uring.c b/fs/io_uring.c
index 0356b2642263..614321836cc3 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1370,6 +1370,8 @@ static inline unsigned int io_put_kbuf(struct io_kiocb *req,
 		cflags = __io_put_kbuf(req, &ctx->io_buffers_comp);
 		spin_unlock(&ctx->completion_lock);
 	} else {
+		lockdep_assert_held(&req->ctx->uring_lock);
+
 		cflags = __io_put_kbuf(req, &req->ctx->io_buffers_cache);
 	}
 
@@ -2165,7 +2167,7 @@ static inline void io_req_complete(struct io_kiocb *req, s32 res)
 static void io_req_complete_failed(struct io_kiocb *req, s32 res)
 {
 	req_set_fail(req);
-	io_req_complete_post(req, res, io_put_kbuf(req, 0));
+	io_req_complete_post(req, res, io_put_kbuf(req, IO_URING_F_UNLOCKED));
 }
 
 static void io_req_complete_fail_submit(struct io_kiocb *req)