On Wed, 2023-08-30 at 17:29 +0300, Andy Shevchenko wrote:
> On Wed, Aug 30, 2023 at 5:19 PM wrote:
> > On Wed, 2023-08-30 at 17:11 +0300, Andy Shevchenko wrote:
> > > On Wed, Aug 30, 2023 at 4:46 PM Philipp Stanner
> > >
> > > wrote:
>
> > > > --- a/include/linux/string.h
> > > > +++ b/include/l
On Wed, 2023-08-30 at 17:15 +0300, Andy Shevchenko wrote:
> On Wed, Aug 30, 2023 at 4:46 PM Philipp Stanner
> wrote:
>
> > + if (unlikely(check_mul_overflow(n, size, &nbytes)))
> > + return ERR_PTR(-EINVAL);
>
> > + if (unlikely(check_mul_overflow(n, size, &nbytes)))
>
On Wed, 2023-08-30 at 17:11 +0300, Andy Shevchenko wrote:
> On Wed, Aug 30, 2023 at 4:46 PM Philipp Stanner
> wrote:
> >
> > Currently, user array duplications are sometimes done without an
> > overflow check. Sometimes the checks are done manually; sometimes
> > the
> > array size is calculated
