linux/scripts/Makefile.ubsan
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   1ifdef CONFIG_UBSAN
   2      CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift)
   3      CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero)
   4      CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable)
   5      CFLAGS_UBSAN += $(call cc-option, -fsanitize=vla-bound)
   6      CFLAGS_UBSAN += $(call cc-option, -fsanitize=null)
   7      CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow)
   8      CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds)
   9      CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size)
  10      CFLAGS_UBSAN += $(call cc-option, -fsanitize=returns-nonnull-attribute)
  11      CFLAGS_UBSAN += $(call cc-option, -fsanitize=bool)
  12      CFLAGS_UBSAN += $(call cc-option, -fsanitize=enum)
  13
  14ifdef CONFIG_UBSAN_ALIGNMENT
  15      CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment)
  16endif
  17
  18      # -fsanitize=* options makes GCC less smart than usual and
  19      # increase number of 'maybe-uninitialized false-positives
  20      CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized)
  21endif
  22