On 08/18, Neil Horman wrote:
>
> +static int proc_pid_limits(struct task_struct *task, char *buffer)
> +{
> + unsigned int i;
> + int count = 0;
> + unsigned long flags;
> + char *bufptr = buffer;
> +
> + struct rlimit rlim[RLIM_NLIMITS];
> +
> + read_lock(&tasklist_lock);
> + lock_task_sighand(task, &flags);
> + if (task->signal == NULL){
> + unlock_task_sighand(task, &flags);
> + read_unlock(&tasklist_lock);
Neil, please, don't add tasklist_lock again. It was not easy to wipe it from
fs/proc/ :) Just change this code to use rcu_read_lock().
Oleg.
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