On Mon 29-02-16 19:11:06, Oleg Nesterov wrote:
> On 02/29, Michal Hocko wrote:
> >
> > --- a/kernel/events/uprobes.c
> > +++ b/kernel/events/uprobes.c
> > @@ -1130,7 +1130,9 @@ static int xol_add_vma(struct mm_struct *mm, struct
> > xol_area *area)
> > struct vm_area_struct *vma;
> > int ret;
> >
> > - down_write(&mm->mmap_sem);
> > + if (down_write_killable(&mm->mmap_sem))
> > + return -EINTR;
> > +
> > if (mm->uprobes_state.xol_area) {
> > ret = -EALREADY;
> > goto fail;
> > @@ -1468,7 +1470,8 @@ static void dup_xol_work(struct callback_head *work)
> > if (current->flags & PF_EXITING)
> > return;
> >
> > - if (!__create_xol_area(current->utask->dup_xol_addr))
> > + if (!__create_xol_area(current->utask->dup_xol_addr) &&
> > + !fatal_signal_pending(current)
> > uprobe_warn(current, "dup xol area");
> > }
>
> Looks good, thanks.
Can I consider this your Acked-by?
--
Michal Hocko
SUSE Labs
