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-rw-r--r--lib/test_kasan.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/lib/test_kasan.c b/lib/test_kasan.c
index acbc7d54d067..b04729b61d1d 100644
--- a/lib/test_kasan.c
+++ b/lib/test_kasan.c
@@ -479,10 +479,11 @@ static void kmem_cache_oob(struct kunit *test)
{
char *p;
size_t size = 200;
- struct kmem_cache *cache = kmem_cache_create("test_cache",
- size, 0,
- 0, NULL);
+ struct kmem_cache *cache;
+
+ cache = kmem_cache_create("test_cache", size, 0, 0, NULL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);
+
p = kmem_cache_alloc(cache, GFP_KERNEL);
if (!p) {
kunit_err(test, "Allocation failed: %s\n", __func__);
@@ -491,11 +492,12 @@ static void kmem_cache_oob(struct kunit *test)
}
KUNIT_EXPECT_KASAN_FAIL(test, *p = p[size + OOB_TAG_OFF]);
+
kmem_cache_free(cache, p);
kmem_cache_destroy(cache);
}
-static void memcg_accounted_kmem_cache(struct kunit *test)
+static void kmem_cache_accounted(struct kunit *test)
{
int i;
char *p;
@@ -522,6 +524,31 @@ free_cache:
kmem_cache_destroy(cache);
}
+static void kmem_cache_bulk(struct kunit *test)
+{
+ struct kmem_cache *cache;
+ size_t size = 200;
+ char *p[10];
+ bool ret;
+ int i;
+
+ cache = kmem_cache_create("test_cache", size, 0, 0, NULL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);
+
+ ret = kmem_cache_alloc_bulk(cache, GFP_KERNEL, ARRAY_SIZE(p), (void **)&p);
+ if (!ret) {
+ kunit_err(test, "Allocation failed: %s\n", __func__);
+ kmem_cache_destroy(cache);
+ return;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(p); i++)
+ p[i][0] = p[i][size - 1] = 42;
+
+ kmem_cache_free_bulk(cache, ARRAY_SIZE(p), (void **)&p);
+ kmem_cache_destroy(cache);
+}
+
static char global_array[10];
static void kasan_global_oob(struct kunit *test)
@@ -961,7 +988,8 @@ static struct kunit_case kasan_kunit_test_cases[] = {
KUNIT_CASE(kfree_via_page),
KUNIT_CASE(kfree_via_phys),
KUNIT_CASE(kmem_cache_oob),
- KUNIT_CASE(memcg_accounted_kmem_cache),
+ KUNIT_CASE(kmem_cache_accounted),
+ KUNIT_CASE(kmem_cache_bulk),
KUNIT_CASE(kasan_global_oob),
KUNIT_CASE(kasan_stack_oob),
KUNIT_CASE(kasan_alloca_oob_left),