Re: [PATCH 13/15] kernel: convert numa_group.refcount from atomic_t to refcount_t

From: Peter Zijlstra
Date: Fri Jul 07 2017 - 05:30:00 EST


On Fri, Jul 07, 2017 at 12:04:27PM +0300, Elena Reshetova wrote:
> refcount_t type and corresponding API should be
> used instead of atomic_t when the variable is used as
> a reference counter. This allows to avoid accidental
> refcounter overflows that might lead to use-after-free
> situations.
>
> Signed-off-by: Elena Reshetova <elena.reshetova@xxxxxxxxx>
> Signed-off-by: Hans Liljestrand <ishkamiel@xxxxxxxxx>
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Signed-off-by: David Windsor <dwindsor@xxxxxxxxx>

Invalid SoB..

> Subject: [PATCH 13/15] kernel: convert numa_group.refcount from atomic_t to refcount_t

> ---
> kernel/sched/fair.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)

Invalid Subject prefix too, scheduler patches get to have "sched:"