On Tue, Nov 10, 2020 at 11:12 PM 'Andrey Konovalov' via kasan-dev <kasan-dev@xxxxxxxxxxxxxxxx> wrote: > > Software tag-based KASAN provides its own tag checking machinery that > can conflict with MTE. Don't allow enabling software tag-based KASAN > when MTE is enabled. > > Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> > Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> > Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx> Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx> > --- > Change-Id: Icd29bd0c6b1d3d7a0ee3d50c20490f404d34fc97 > --- > arch/arm64/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 1515f6f153a0..25ead11074bf 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -134,7 +134,7 @@ config ARM64 > select HAVE_ARCH_JUMP_LABEL > select HAVE_ARCH_JUMP_LABEL_RELATIVE > select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48) > - select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN > + select HAVE_ARCH_KASAN_SW_TAGS if (HAVE_ARCH_KASAN && !ARM64_MTE) > select HAVE_ARCH_KGDB > select HAVE_ARCH_MMAP_RND_BITS > select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT > -- > 2.29.2.222.g5d2a92d10f8-goog > > -- > You received this message because you are subscribed to the Google Groups "kasan-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an email to kasan-dev+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/kasan-dev/67c17dafa28036b628234c8f1d88368af374449c.1605046192.git.andreyknvl%40google.com. -- Alexander Potapenko Software Engineer Google Germany GmbH Erika-Mann-Straße, 33 80636 München Geschäftsführer: Paul Manicle, Halimah DeLaine Prado Registergericht und -nummer: Hamburg, HRB 86891 Sitz der Gesellschaft: Hamburg
