From 2a158e956b98e0c5f37b5ce9953048654348ad6b Mon Sep 17 00:00:00 2001 From: SeongJae Park Date: Sat, 29 Jul 2023 20:37:33 +0000 Subject: mm/damon/core-test: add a test for damos_new_filter() damos_new_filter() was having a bug that not initializing ->list field of the returning damos_filter struct, which results in access to uninitialized memory. Add a unit test for the function. Link: https://lkml.kernel.org/r/20230729203733.38949-3-sj@kernel.org Signed-off-by: SeongJae Park Signed-off-by: Andrew Morton --- mm/damon/core-test.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'mm/damon') diff --git a/mm/damon/core-test.h b/mm/damon/core-test.h index bb07721909e1..4bddbfe243c3 100644 --- a/mm/damon/core-test.h +++ b/mm/damon/core-test.h @@ -341,6 +341,18 @@ static void damon_test_set_attrs(struct kunit *test) KUNIT_EXPECT_EQ(test, damon_set_attrs(c, &invalid_attrs), -EINVAL); } +static void damos_test_new_filter(struct kunit *test) +{ + struct damos_filter *filter; + + filter = damos_new_filter(DAMOS_FILTER_TYPE_ANON, true); + KUNIT_EXPECT_EQ(test, filter->type, DAMOS_FILTER_TYPE_ANON); + KUNIT_EXPECT_EQ(test, filter->matching, true); + KUNIT_EXPECT_PTR_EQ(test, filter->list.prev, &filter->list); + KUNIT_EXPECT_PTR_EQ(test, filter->list.next, &filter->list); + damos_destroy_filter(filter); +} + static struct kunit_case damon_test_cases[] = { KUNIT_CASE(damon_test_target), KUNIT_CASE(damon_test_regions), @@ -353,6 +365,7 @@ static struct kunit_case damon_test_cases[] = { KUNIT_CASE(damon_test_set_regions), KUNIT_CASE(damon_test_update_monitoring_result), KUNIT_CASE(damon_test_set_attrs), + KUNIT_CASE(damos_test_new_filter), {}, }; -- cgit v1.2.3