Re: [PATCH v5] signal: trace_signal_deliver when signal_group_exit

From: Oleg Nesterov
Date: Mon Apr 29 2019 - 12:13:43 EST


On 04/25, Zhenliang Wei wrote:
>
> Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>

Yes, everything looks good to me

> Cc: <stable@xxxxxxxxxxxxxxx>
> Fixes: cf43a757fd4944 ("signal: Restore the stop PTRACE_EVENT_EXIT")
>
> Signed-off-by: Zhenliang Wei <weizhenliang@xxxxxxxxxx>
> ---
> kernel/signal.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/kernel/signal.c b/kernel/signal.c
> index 227ba170298e..429f5663edd9 100644
> --- a/kernel/signal.c
> +++ b/kernel/signal.c
> @@ -2441,6 +2441,8 @@ 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,
> + &sighand->action[SIGKILL - 1]);
> recalc_sigpending();
> goto fatal;
> }
> --
> 2.14.1.windows.1
>
>