Re: [Linux-kernel-mentees] [PATCH net] rds: Prevent kernel-infoleak in rds_notify_queue_get()

Joe Perches
2020-08-02T22:45:47Z

On Sun, 2020-08-02 at 19:28 -0300, Jason Gunthorpe wrote:
> On Sun, Aug 02, 2020 at 03:23:58PM -0700, Joe Perches wrote:
> > On Sun, 2020-08-02 at 19:10 -0300, Jason Gunthorpe wrote:
> > > On Sat, Aug 01, 2020 at 08:38:33AM +0300, Leon Romanovsky wrote:
> > >
> > > > I'm using {} instead of {0} because of this GCC bug.
> > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119
> > >
> > > This is why the {} extension exists..
> >
> > There is no guarantee that the gcc struct initialization {}
> > extension also zeros padding.
>
> We just went over this. Yes there is, C11 requires it.

c11 is not c90. The kernel uses c90.