On Tue, Jul 31, 2018 at 10:08:02AM -0700, Kees Cook wrote: > On Mon, Jul 9, 2018 at 10:54 AM, Kees Cook <keescook@xxxxxxxxxxxx> wrote: > > On Sun, Jul 8, 2018 at 11:44 AM, Jason Gunthorpe <jgg@xxxxxxxxxxxx> wrote: > >> On Sun, Jul 08, 2018 at 01:38:32PM +0300, Leon Romanovsky wrote: > >>> From: Jason Gunthorpe <jgg@xxxxxxxxxxxx> > >>> > >>> Add shift_overflow() helper to help driver authors to ensure that > >>> shift operand doesn't cause to overflow. > >>> > >>> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx> > >>> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> > >>> --- > >>> include/linux/overflow.h | 23 +++++++++++++++++++++++ > >>> 1 file changed, 23 insertions(+) > >> > >> Kees/Rasmus, if you are happy with this please ack, I can run it > >> through the RDMA tree. Thanks > > > > Going through RDMA is fine by me. I'll let Rasmus ack this, assuming > > the current threads resolve. :) > > Has this happened? I don't see the shift helper in linux-next yet. No, I was requested to rewrite patch with tests and I didn't have time to do so. Maybe someday, I will have enough time to do it, but don't see it is happening in near future. Thanks > > -Kees > > -- > Kees Cook > Pixel Security
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