scripts/Makefile.ubsan

   1 # SPDX-License-Identifier: GPL-2.0
   2 ifdef CONFIG_UBSAN
   3       CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift)
   4       CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero)
   5       CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable)
   6       CFLAGS_UBSAN += $(call cc-option, -fsanitize=vla-bound)
   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
  14 ifdef CONFIG_UBSAN_ALIGNMENT
  15       CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment)
  16 endif
  17
  18 ifdef CONFIG_UBSAN_NULL
  19       CFLAGS_UBSAN += $(call cc-option, -fsanitize=null)
  20 endif
  21
  22       # -fsanitize=* options makes GCC less smart than usual and
  23       # increase number of 'maybe-uninitialized false-positives
  24       CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized)
  25 endif