Re: [PATCH] time: verify time values in adjtimex ADJ_SETOFFSET to avoid overflow

John Stultz
2015-12-07T19:54:16Z

On Sun, Dec 6, 2015 at 2:11 PM, Richard Cochran
<richardcochran@gmail.com> wrote:
> The overflow is a latent problem, and the patch should:
>
> 1. return error in case (txc->time.tv_usec >= USEC_PER_SEC)
> 2. remove the redundant test in timekeeping_inject_offset.

So we probably want to keep the check in timekeeping_inject_offset()
since there can be other users as well of that function.

But its probably cleanest to add a check in ntp_validate_timex()
instead of where this patch does it.

thanks
-john

(And thanks Thomas for taking a second look here)