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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 <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2023-07-29 20:37:33 +00:00 committed by Andrew Morton
parent ca39c5e7d1
commit 2a158e956b
1 changed files with 13 additions and 0 deletions
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13
mm/damon/core-test.h
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@ -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),
{},
};