1# SPDX-License-Identifier: GPL-2.0 2ifdef CONFIG_UBSAN_ALIGNMENT 3 CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment) 4endif 5 6ifdef CONFIG_UBSAN_BOUNDS 7 CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds) 8endif 9 10ifdef CONFIG_UBSAN_MISC 11 CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift) 12 CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero) 13 CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable) 14 CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow) 15 CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size) 16 CFLAGS_UBSAN += $(call cc-option, -fsanitize=bool) 17 CFLAGS_UBSAN += $(call cc-option, -fsanitize=enum) 18endif 19 20ifdef CONFIG_UBSAN_TRAP 21 CFLAGS_UBSAN += $(call cc-option, -fsanitize-undefined-trap-on-error) 22endif 23 24 # -fsanitize=* options makes GCC less smart than usual and 25 # increase number of 'maybe-uninitialized false-positives 26 CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized) 27