Re: [PATCH] drivers/base/node: fix UAF on device_register() failure

[Danilo Krummrich]

On Thu Aug 6, 2026 at 10:28 AM CEST, Linkai Gong wrote:
> diff --git a/drivers/base/node.c b/drivers/base/node.c
> index 3da91929ad4e..d2fd57c2edc8 100644
> --- a/drivers/base/node.c
> +++ b/drivers/base/node.c
> @@ -176,8 +176,10 @@ static struct node_access_nodes *node_init_node_access(struct node *node,
>  	pm_runtime_no_callbacks(dev);
>  	list_add_tail(&access_node->list_node, &node->access_list);
>  	return access_node;
> +
>  free_name:
> -	kfree_const(dev->kobj.name);
> +	put_device(dev);
> +	return NULL;

Good catch, but we should also rename the label; free_name is misleading.