Re: [PATCH v2] Uprobes: Fix kernel oops with delayed_uprobe_remove()

[Oleg Nesterov]

On 12/05, Ravi Bangoria wrote:
>
> --- a/kernel/events/uprobes.c
> +++ b/kernel/events/uprobes.c
> @@ -572,7 +572,9 @@ static void put_uprobe(struct uprobe *uprobe)
>  		 * gets called, we don't get a chance to remove uprobe from
>  		 * delayed_uprobe_list from remove_breakpoint(). Do it here.
>  		 */
> +		mutex_lock(&delayed_uprobe_lock);
>  		delayed_uprobe_remove(uprobe, NULL);
> +		mutex_unlock(&delayed_uprobe_lock);
>  		kfree(uprobe);

Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx>