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Date:   Mon, 22 Apr 2019 17:25:22 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     Zhenliang Wei <weizhenliang@...wei.com>
Cc:     ebiederm@...ssion.com, colona@...sta.com,
        akpm@...ux-foundation.org, christian@...uner.io, arnd@...db.de,
        tglx@...utronix.de, deepa.kernel@...il.com,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH v3] signal: trace_signal_deliver when signal_group_exit

On 04/22, Zhenliang Wei wrote:
>
> --- a/kernel/signal.c
> +++ b/kernel/signal.c
> @@ -2441,6 +2441,7 @@ bool get_signal(struct ksignal *ksig)
>  	if (signal_group_exit(signal)) {
>  		ksig->info.si_signo = signr = SIGKILL;
>  		sigdelset(&current->pending.signal, SIGKILL);
> +		trace_signal_deliver(SIGKILL, SEND_SIG_NOINFO, SIG_DFL);
>  		recalc_sigpending();
>  		goto fatal;
>  	}

Reviewed-by: Oleg Nesterov <oleg@...hat.com>

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