linux-kernel - Re: [PATCH ghak10 v7 1/2] timekeeping: Audit clock adjustments

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Message-ID: <alpine.DEB.2.21.1904100825200.2020@nanos.tec.linutronix.de>
Date:   Wed, 10 Apr 2019 08:25:50 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Ondrej Mosnacek <omosnace@...hat.com>
cc:     linux-audit@...hat.com, Paul Moore <paul@...l-moore.com>,
        Richard Guy Briggs <rgb@...hat.com>,
        Steve Grubb <sgrubb@...hat.com>,
        Miroslav Lichvar <mlichvar@...hat.com>,
        John Stultz <john.stultz@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH ghak10 v7 1/2] timekeeping: Audit clock adjustments

On Tue, 9 Apr 2019, Ondrej Mosnacek wrote:
> --- a/kernel/time/timekeeping.c
> +++ b/kernel/time/timekeeping.c
> @@ -21,6 +21,7 @@
>  #include <linux/stop_machine.h>
>  #include <linux/pvclock_gtod.h>
>  #include <linux/compiler.h>
> +#include <linux/audit.h>
>  
>  #include "tick-internal.h"
>  #include "ntp_internal.h"
> @@ -1250,6 +1251,9 @@ out:
>  	/* signal hrtimers about time change */
>  	clock_was_set();
>  
> +	if (!ret)
> +		audit_tk_injoffset(ts_delta);
> +
>  	return ret;
>  }
>  EXPORT_SYMBOL(do_settimeofday64);
> @@ -2322,6 +2326,8 @@ int do_adjtimex(struct __kernel_timex *txc)
>  		ret = timekeeping_inject_offset(&delta);
>  		if (ret)
>  			return ret;
> +
> +		audit_tk_injoffset(delta);
>  	}
>  
>  	ktime_get_real_ts64(&ts);

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>