On Fri, Oct 09, 2015 at 12:32:18PM +0300, Andrey Ryabinin wrote: [...] > I thought the EFI stub isolation patches create a copy of mem*() functions in the stub, > but they are just create aliases with __efistub_ prefix. > > We only need to create some more aliases for KASAN. > The following patch on top of the EFI stub isolation series works for me. > > > Signed-off-by: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx> > --- > arch/arm64/kernel/image.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/arm64/kernel/image.h b/arch/arm64/kernel/image.h > index e083af0..6eb8fee 100644 > --- a/arch/arm64/kernel/image.h > +++ b/arch/arm64/kernel/image.h > @@ -80,6 +80,12 @@ __efistub_strcmp = __pi_strcmp; > __efistub_strncmp = __pi_strncmp; > __efistub___flush_dcache_area = __pi___flush_dcache_area; > > +#ifdef CONFIG_KASAN > +__efistub___memcpy = __pi_memcpy; > +__efistub___memmove = __pi_memmove; > +__efistub___memset = __pi_memset; > +#endif Ard's v4 stub isolation series has these aliases [1], as the stub requires these aliases regardless of KASAN in order to link. Thanks, Mark. [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-October/375708.html -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>