# RE: \[PATCH 13/15\] kernel: convert numa\_group.refcount from atomic\_t to refcount\_t

- From: Reshetova, Elena \<hidden\>
- Date: 2017-07-07 10:19:44 
- List: cgroups
- Page: https://ratatoskr.run/cgroups/2017/07/124417
- Thread: https://ratatoskr.run/cgroups/2017/07/124139/t.md

```text


> 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 <redacted>
> > Signed-off-by: Hans Liljestrand <redacted>
> > Signed-off-by: Kees Cook <redacted>
> > Signed-off-by: David Windsor <redacted>
> 
> 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:"

OK, will fix. 

Best Regards,
Elena.
```