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 <andreyk...@google.com> Signed-off-by: Vincenzo Frascino <vincenzo.frasc...@arm.com> Reviewed-by: Catalin Marinas <catalin.mari...@arm.com> --- 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