call_threshold := 0
endif
+KASAN_SHADOW_OFFSET ?= $(CONFIG_KASAN_SHADOW_OFFSET)
+
CFLAGS_KASAN_MINIMAL := -fsanitize=kernel-address
CFLAGS_KASAN := $(call cc-option, -fsanitize=kernel-address \
- -fasan-shadow-offset=$(CONFIG_KASAN_SHADOW_OFFSET) \
+ -fasan-shadow-offset=$(KASAN_SHADOW_OFFSET) \
--param asan-stack=1 --param asan-globals=1 \
--param asan-instrumentation-with-call-threshold=$(call_threshold))
ifeq ($(call cc-option, $(CFLAGS_KASAN_MINIMAL) -Werror),)
+ ifneq ($(CONFIG_COMPILE_TEST),y)
$(warning Cannot use CONFIG_KASAN: \
-fsanitize=kernel-address is not supported by compiler)
+ endif
else
ifeq ($(CFLAGS_KASAN),)
- $(warning CONFIG_KASAN: compiler does not support all options.\
- Trying minimal configuration)
+ ifneq ($(CONFIG_COMPILE_TEST),y)
+ $(warning CONFIG_KASAN: compiler does not support all options.\
+ Trying minimal configuration)
+ endif
CFLAGS_KASAN := $(CFLAGS_KASAN_MINIMAL)
endif
endif