Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1301906 > unrolled thread

Re: [PATCH] thermal: cpu_cooling: fix out of bounds access in time_in_idle

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  Re: [PATCH] thermal: cpu_cooling: fix out of bounds access in  time_in_idle Javi Merino <javi.merino@arm.com> - 2016-01-05 20:20 +0100

#1301906 — Re: [PATCH] thermal: cpu_cooling: fix out of bounds access in time_in_idle

Eduardo, Rui,

On Mon, Dec 21, 2015 at 08:49:40AM +0530, Viresh Kumar wrote:
> On 19-12-15, 12:54, Javi Merino wrote:
> > In __cpufreq_cooling_register() we allocate the arrays for time_in_idle
> > and time_in_idle_timestamp to be as big as the number of cpus in this
> > cpufreq device.  However, in get_load() we access this array using the
> > cpu number as index, which can result in an out of bound access.
> > 
> > Index time_in_idle{,_timestamp} using the index in the cpufreq_device's
> > allowed_cpus mask, as we do for the load_cpu array in
> > cpufreq_get_requested_power()
> > 
> > Reported-by: Nicolas Boichat <drinkcat@chromium.org>
> > Cc: Amit Daniel Kachhap <amit.kachhap@gmail.com>
> > Cc: Viresh Kumar <viresh.kumar@linaro.org>
> > Cc: Zhang Rui <rui.zhang@intel.com>
> > Cc: Eduardo Valentin <edubezval@gmail.com>
> > Signed-off-by: Javi Merino <javi.merino@arm.com>
> > ---
> >  drivers/thermal/cpu_cooling.c | 14 ++++++++------
> >  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

If there are no more objections, can you pick this up?

Thanks,
Javi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[toc] | [standalone]

Back to top | Article view | linux.kernel

csiph-web