The patch titled
Subject: mm/damon/core-test: add a test for damos_new_filter()
has been added to the -mm mm-unstable branch. Its filename is
mm-damon-core-test-add-a-test-for-damos_new_filter.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-core-test-add-a-test-for-damos_new_filter.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: SeongJae Park <sj@xxxxxxxxxx>
Subject: mm/damon/core-test: add a test for damos_new_filter()
Date: Sat, 29 Jul 2023 20:37:33 +0000
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@xxxxxxxxxx
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/damon/core-test.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
--- a/mm/damon/core-test.h~mm-damon-core-test-add-a-test-for-damos_new_filter
+++ a/mm/damon/core-test.h
@@ -341,6 +341,18 @@ static void damon_test_set_attrs(struct
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_case
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),
{},
};
_
Patches currently in -mm which might be from sj@xxxxxxxxxx are
mm-damon-core-initialize-damo_filter-list-from-damos_new_filter.patch
mm-damon-core-test-add-a-test-for-damos_new_filter.patch
