On Wed, Jun 10, 2020 at 08:26:00AM -0400, Qian Cai wrote:
> On Wed, Jun 10, 2020 at 07:54:50AM +0200, Dmitry Vyukov wrote:
> > On Wed, Jun 10, 2020 at 7:22 AM Qian Cai wrote:
> > >
> > > kernel_init_free_pages() will use memset() on s390 to clear all pages
> > > from kmalloc_order() which will
On Wed, Jun 10, 2020 at 08:26:00AM -0400, Qian Cai wrote:
> On Wed, Jun 10, 2020 at 07:54:50AM +0200, Dmitry Vyukov wrote:
> > On Wed, Jun 10, 2020 at 7:22 AM Qian Cai wrote:
> > >
> > > kernel_init_free_pages() will use memset() on s390 to clear all pages
> > > from kmalloc_order() which will
On Wed, Jun 10, 2020 at 01:02:04PM +0200, Alexander Potapenko wrote:
> On Wed, Jun 10, 2020 at 7:55 AM Dmitry Vyukov wrote:
> >
> > On Wed, Jun 10, 2020 at 7:22 AM Qian Cai wrote:
> > >
> > > kernel_init_free_pages() will use memset() on s390 to clear all pages
> > > from kmalloc_order() which
On Wed, Jun 10, 2020 at 07:54:50AM +0200, Dmitry Vyukov wrote:
> On Wed, Jun 10, 2020 at 7:22 AM Qian Cai wrote:
> >
> > kernel_init_free_pages() will use memset() on s390 to clear all pages
> > from kmalloc_order() which will override KASAN redzones because a
> > redzone was setup from the end
On Wed, Jun 10, 2020 at 7:55 AM Dmitry Vyukov wrote:
>
> On Wed, Jun 10, 2020 at 7:22 AM Qian Cai wrote:
> >
> > kernel_init_free_pages() will use memset() on s390 to clear all pages
> > from kmalloc_order() which will override KASAN redzones because a
> > redzone was setup from the end of the
On Wed, Jun 10, 2020 at 7:22 AM Qian Cai wrote:
>
> kernel_init_free_pages() will use memset() on s390 to clear all pages
> from kmalloc_order() which will override KASAN redzones because a
> redzone was setup from the end of the allocation size to the end of the
> last page. Silence it by not
kernel_init_free_pages() will use memset() on s390 to clear all pages
from kmalloc_order() which will override KASAN redzones because a
redzone was setup from the end of the allocation size to the end of the
last page. Silence it by not reporting it there. An example of the
report is,
BUG:
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