diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 7c59ab9cfc8b..6e2facf34bfa 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -459,7 +459,7 @@ static int io_remove_buffers_legacy(struct io_ring_ctx *ctx,
 static void io_put_bl(struct io_ring_ctx *ctx, struct io_buffer_list *bl)
 {
 	if (bl->flags & IOBL_BUF_RING)
-		io_free_region(ctx->user, &bl->region);
+		io_free_region(NULL, &bl->region);
 	else
 		io_remove_buffers_legacy(ctx, bl, -1U);
 
@@ -676,7 +676,7 @@ int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
 		rd.user_addr = reg.ring_addr;
 		rd.flags |= IORING_MEM_REGION_TYPE_USER;
 	}
-	ret = io_create_region(ctx->user, &bl->region, &rd, mmap_offset);
+	ret = io_create_region(NULL, &bl->region, &rd, mmap_offset);
 	if (ret)
 		goto fail;
 	br = io_region_get_ptr(&bl->region);
@@ -709,7 +709,7 @@ int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
 	if (!ret)
 		return 0;
 fail:
-	io_free_region(ctx->user, &bl->region);
+	io_free_region(NULL, &bl->region);
 	kfree(bl);
 	return ret;
 }