Silence a handful of W=1 warnings in the UBSan selftest, which set
variables without using them. For example:
lib/test_ubsan.c:101:6: warning: variable 'val1' set but not used [-Wunused-but-set-variable]
101 | int val1 = 10;
| ^
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/
202401310423.XpCIk6KO-lkp@intel.com/
Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
obj-$(CONFIG_TEST_IDA) += test_ida.o
obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
CFLAGS_test_ubsan.o += $(call cc-disable-warning, vla)
+CFLAGS_test_ubsan.o += $(call cc-disable-warning, unused-but-set-variable)
UBSAN_SANITIZE_test_ubsan.o := y
obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
static void test_ubsan_shift_out_of_bounds(void)
{
volatile int neg = -1, wrap = 4;
- int val1 = 10;
- int val2 = INT_MAX;
+ volatile int val1 = 10;
+ volatile int val2 = INT_MAX;
UBSAN_TEST(CONFIG_UBSAN_SHIFT, "negative exponent");
val1 <<= neg;