From 0a9b40911baffac6fc9cc2d88e893585870a97f7 Mon Sep 17 00:00:00 2001 From: Vasily Gorbik Date: Fri, 17 Nov 2017 13:10:33 +0100 Subject: s390/kasan: avoid instrumentation of early C code Instrumented C code cannot run without the kasan shadow area. Exempt source code files from kasan which are running before / used during kasan initialization. Reviewed-by: Martin Schwidefsky Signed-off-by: Vasily Gorbik Signed-off-by: Martin Schwidefsky --- arch/s390/boot/Makefile | 1 + arch/s390/boot/compressed/Makefile | 1 + arch/s390/kernel/Makefile | 2 ++ 3 files changed, 4 insertions(+) (limited to 'arch/s390') diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile index f58edd8b2e34..d5ad724f5c96 100644 --- a/arch/s390/boot/Makefile +++ b/arch/s390/boot/Makefile @@ -6,6 +6,7 @@ KCOV_INSTRUMENT := n GCOV_PROFILE := n UBSAN_SANITIZE := n +KASAN_SANITIZE := n KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile index fd7cfc7b93a5..593039620487 100644 --- a/arch/s390/boot/compressed/Makefile +++ b/arch/s390/boot/compressed/Makefile @@ -8,6 +8,7 @@ KCOV_INSTRUMENT := n GCOV_PROFILE := n UBSAN_SANITIZE := n +KASAN_SANITIZE := n obj-y := $(if $(CONFIG_KERNEL_UNCOMPRESSED),,decompressor.o) piggy.o info.o targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile index 7ad6fa60a1f2..1f9c98f7d9e2 100644 --- a/arch/s390/kernel/Makefile +++ b/arch/s390/kernel/Makefile @@ -23,6 +23,8 @@ KCOV_INSTRUMENT_early_nobss.o := n UBSAN_SANITIZE_early.o := n UBSAN_SANITIZE_early_nobss.o := n +KASAN_SANITIZE_early_nobss.o := n + # # Passing null pointers is ok for smp code, since we access the lowcore here. # -- cgit v1.2.3