Re: [PATCH] [v2] tomoyo: fix timestamping for y2038

[James Morris]

On Thu, 19 Oct 2017, Arnd Bergmann wrote:

> Tomoyo uses an open-coded version of time_to_tm() to create a timestamp
> from the current time as read by get_seconds(). This will overflow and
> give wrong results on 32-bit systems in 2038.
> 
> To correct this, this changes the code to use ktime_get_real_seconds()
> and the generic time64_to_tm() function that are both y2038-safe.
> Using the library function avoids adding an expensive 64-bit division
> in this code and can benefit from any optimizations we do in common
> code.
> 
> Acked-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> v2: fix year calculation

Applied to:

git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git next-general

-- 
James Morris
<james.l.morris@xxxxxxxxxx>