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 <[email protected]>
> Cc: Amit Daniel Kachhap <[email protected]>
> Cc: Viresh Kumar <[email protected]>
> Cc: Zhang Rui <[email protected]>
> Cc: Eduardo Valentin <[email protected]>
> Signed-off-by: Javi Merino <[email protected]>
> ---
> drivers/thermal/cpu_cooling.c | 14 ++++++++------
> 1 file changed, 8 insertions(+), 6 deletions(-)
Acked-by: Viresh Kumar <[email protected]>
--
viresh
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
