Re: [PATCH 2/2] time: adjtimex: Validate the ADJ_FREQUENCY values

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, Jan 07, 2015 at 10:12:20AM -0800, John Stultz wrote:
> From: Sasha Levin <sasha.levin@oracle.com>
> 
> Verify that the frequency value from userspace is valid and makes sense.
> 
> Unverified values can cause overflows later on.
> 
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc: stable <stable@vger.kernel.org>
> Cc: Andy Lutomirski <luto@amacapital.net>
> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
> [jstultz: Fix up bug for negative values and drop redunent cap check]
> Signed-off-by: John Stultz <john.stultz@linaro.org>
> ---
>  kernel/time/ntp.c | 7 +++++++
>  1 file changed, 7 insertions(+)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>