Re: [PATCH] signals: Generate warning when flush_signals() is called from non-kthread context

From: Richard Weinberger
Date: Sat May 02 2015 - 12:33:42 EST


On Fri, May 1, 2015 at 9:38 PM, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
> diff --git a/kernel/signal.c b/kernel/signal.c
> index d51c5ddd855c..100e30afe5d2 100644
> --- a/kernel/signal.c
> +++ b/kernel/signal.c
> @@ -427,6 +427,10 @@ void flush_signals(struct task_struct *t)
> {
> unsigned long flags;
>
> + /* Only kthreads are allowed to destroy signals: */
> + if (WARN_ON_ONCE(!(current->flags & PF_KTHREAD)))

Shouldn't this be t->flags?

--
Thanks,
//richard
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