kasan: test: fix compatibility with FORTIFY_SOURCE

[linux-2.6-microblaze.git] / lib / test_kasan.c

diff --git a/lib/test_kasan.c b/lib/test_kasan.c
index 847cdbe..26a5c90 100644 (file)
--- a/lib/test_kasan.c
+++ b/lib/test_kasan.c
@@ -492,6 +492,7 @@ static void kmalloc_oob_in_memset(struct kunit *test)
        ptr = kmalloc(size, GFP_KERNEL);
        KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
+       OPTIMIZER_HIDE_VAR(ptr);
        OPTIMIZER_HIDE_VAR(size);
        KUNIT_EXPECT_KASAN_FAIL(test,
                                memset(ptr, 0, size + KASAN_GRANULE_SIZE));
@@ -515,6 +516,7 @@ static void kmalloc_memmove_negative_size(struct kunit *test)
        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));
@@ -531,6 +533,7 @@ static void kmalloc_memmove_invalid_size(struct kunit *test)
        KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
        memset((char *)ptr, 0, 64);
+       OPTIMIZER_HIDE_VAR(ptr);
        KUNIT_EXPECT_KASAN_FAIL(test,
                memmove((char *)ptr, (char *)ptr + 4, invalid_size));
        kfree(ptr);
@@ -893,6 +896,7 @@ static void kasan_memchr(struct kunit *test)
        ptr = kmalloc(size, GFP_KERNEL | __GFP_ZERO);
        KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
 
+       OPTIMIZER_HIDE_VAR(ptr);
        OPTIMIZER_HIDE_VAR(size);
        KUNIT_EXPECT_KASAN_FAIL(test,
                kasan_ptr_result = memchr(ptr, '1', size + 1));
@@ -919,6 +923,7 @@ static void kasan_memcmp(struct kunit *test)
        KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
        memset(arr, 0, sizeof(arr));
 
+       OPTIMIZER_HIDE_VAR(ptr);
        OPTIMIZER_HIDE_VAR(size);
        KUNIT_EXPECT_KASAN_FAIL(test,
                kasan_int_result = memcmp(ptr, arr, size+1));