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-rw-r--r--mm/kasan/kasan_test.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/mm/kasan/kasan_test.c b/mm/kasan/kasan_test.c
index f25692def781..57e4c72aa8bd 100644
--- a/mm/kasan/kasan_test.c
+++ b/mm/kasan/kasan_test.c
@@ -295,6 +295,9 @@ static void krealloc_more_oob_helper(struct kunit *test,
ptr2 = krealloc(ptr1, size2, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);
+ /* Suppress -Warray-bounds warnings. */
+ OPTIMIZER_HIDE_VAR(ptr2);
+
/* All offsets up to size2 must be accessible. */
ptr2[size1 - 1] = 'x';
ptr2[size1] = 'x';
@@ -327,6 +330,9 @@ static void krealloc_less_oob_helper(struct kunit *test,
ptr2 = krealloc(ptr1, size2, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);
+ /* Suppress -Warray-bounds warnings. */
+ OPTIMIZER_HIDE_VAR(ptr2);
+
/* Must be accessible for all modes. */
ptr2[size2 - 1] = 'x';
@@ -540,13 +546,14 @@ static void kmalloc_memmove_invalid_size(struct kunit *test)
{
char *ptr;
size_t size = 64;
- volatile size_t invalid_size = size;
+ size_t invalid_size = size;
ptr = kmalloc(size, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
memset((char *)ptr, 0, 64);
OPTIMIZER_HIDE_VAR(ptr);
+ OPTIMIZER_HIDE_VAR(invalid_size);
KUNIT_EXPECT_KASAN_FAIL(test,
memmove((char *)ptr, (char *)ptr + 4, invalid_size));
kfree(ptr);