Re: [PATCH v3 05/19] x86/kasan/64: Teach KASAN about the cpu_entry_area

2017-11-24 Thread Andrey Ryabinin
On 11/24/2017 07:27 PM, Andy Lutomirski wrote: >>> + cpu_entry_area_begin = (void >>> *)(__fix_to_virt(FIX_CPU_ENTRY_AREA_BOTTOM)); >>> + cpu_entry_area_end = (void *)(__fix_to_virt(FIX_CPU_ENTRY_AREA_TOP) + >>> PAGE_SIZE); >>> + >>> kasan_populate_zero_shadow(kasan_mem_to_shadow((

Re: [PATCH v3 05/19] x86/kasan/64: Teach KASAN about the cpu_entry_area

2017-11-24 Thread Andy Lutomirski
On Fri, Nov 24, 2017 at 5:16 AM, Andrey Ryabinin wrote: > > > On 11/24/2017 07:32 AM, Andy Lutomirski wrote: >> The cpu_entry_area will contain stacks. Make sure that KASAN has >> appropriate shadow mappings for them. >> >> Cc: Andrey Ryabinin >> Cc: Alexander Potapenko >> Cc: Dmitry Vyukov >>

Re: [PATCH v3 05/19] x86/kasan/64: Teach KASAN about the cpu_entry_area

2017-11-24 Thread Andrey Ryabinin
On 11/24/2017 07:32 AM, Andy Lutomirski wrote: > The cpu_entry_area will contain stacks. Make sure that KASAN has > appropriate shadow mappings for them. > > Cc: Andrey Ryabinin > Cc: Alexander Potapenko > Cc: Dmitry Vyukov > Cc: kasan-...@googlegroups.com > Signed-off-by: Andy Lutomirski >