> On Fri, Jan 18, 2019 at 02:27:25PM +0200, Elena Reshetova wrote: > > I would really love finally to merge these old patches > > (now rebased on top of linux-next/master as of last friday), > > since as far as I remember none has raised any more concerns > > on them. > > > > refcount_t has been now successfully used in kernel in many places, > > helped to detect bugs and mistakes in logic of refcounters. > > > > This series, for scheduler and task struct specifically, > > replaces atomic_t reference counters with the new refcount_t type > > and API (see include/linux/refcount.h). > > By doing this we prevent intentional or accidental > > underflows or overflows that can lead to use-after-free vulnerabilities. > > > > The patches are fully independent and can be cherry-picked separately. > > More information about each conversion in each patch separately. > > > > Elena Reshetova (5): > > sched: convert sighand_struct.count to refcount_t > > sched: convert signal_struct.sigcnt to refcount_t > > sched: convert numa_group.refcount to refcount_t > > sched/task_struct: convert task_struct.usage to refcount_t > > sched/task_struct: convert task_struct.stack_refcount to refcount_t > > For the series, please feel free to add: > > Reviewed-by: Andrea Parri <andrea.parri@xxxxxxxxxxxxxxxxxxxx> Thank you for your review! Best Regards, Elena