The quilt patch titled
Subject: mm/damon/tests/core-kunit: handle alloc failure on damos_test_commit_filter()
has been removed from the -mm tree. Its filename was
mm-damon-tests-core-kunit-handle-alloc-failure-on-damos_test_commit_filter.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj(a)kernel.org>
Subject: mm/damon/tests/core-kunit: handle alloc failure on damos_test_commit_filter()
Date: Sat, 1 Nov 2025 11:20:08 -0700
damon_test_commit_filter() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup pre-allocated memory and skip the execution of the remaining tests
in the failure cases.
Link: https://lkml.kernel.org/r/20251101182021.74868-15-sj@kernel.org
Fixes: f6a4a150f1ec ("mm/damon/tests/core-kunit: add damos_commit_filter test")
Signed-off-by: SeongJae Park <sj(a)kernel.org>
Cc: Brendan Higgins <brendan.higgins(a)linux.dev>
Cc: David Gow <davidgow(a)google.com>
Cc: Kefeng Wang <wangkefeng.wang(a)huawei.com>
Cc: <stable(a)vger.kernel.org> [6.18+]
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
---
mm/damon/tests/core-kunit.h | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
--- a/mm/damon/tests/core-kunit.h~mm-damon-tests-core-kunit-handle-alloc-failure-on-damos_test_commit_filter
+++ a/mm/damon/tests/core-kunit.h
@@ -516,11 +516,16 @@ static void damos_test_new_filter(struct
static void damos_test_commit_filter(struct kunit *test)
{
- struct damos_filter *src_filter = damos_new_filter(
- DAMOS_FILTER_TYPE_ANON, true, true);
- struct damos_filter *dst_filter = damos_new_filter(
- DAMOS_FILTER_TYPE_ACTIVE, false, false);
+ struct damos_filter *src_filter, *dst_filter;
+ src_filter = damos_new_filter(DAMOS_FILTER_TYPE_ANON, true, true);
+ if (!src_filter)
+ kunit_skip(test, "src filter alloc fail");
+ dst_filter = damos_new_filter(DAMOS_FILTER_TYPE_ACTIVE, false, false);
+ if (!dst_filter) {
+ damos_destroy_filter(src_filter);
+ kunit_skip(test, "dst filter alloc fail");
+ }
damos_commit_filter(dst_filter, src_filter);
KUNIT_EXPECT_EQ(test, dst_filter->type, src_filter->type);
KUNIT_EXPECT_EQ(test, dst_filter->matching, src_filter->matching);
_
Patches currently in -mm which might be from sj(a)kernel.org are
mm-damon-tests-core-kunit-remove-dynamic-allocs-on-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-split-out-damos_test_commit_filter-core-logic.patch
mm-damon-tests-core-kunit-extend-damos_test_commit_filter_for-for-union-fields.patch
mm-damon-tests-core-kunit-add-test-cases-to-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goal-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goals-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota-test.patch
mm-damon-core-pass-migrate_dests-to-damos_commit_dests.patch
mm-damon-tests-core-kunit-add-damos_commit_dests-test.patch
mm-damon-tests-core-kunit-add-damos_commit-test.patch
mm-damon-tests-core-kunit-add-damon_commit_target_regions-test.patch
mm-damon-rename-damos-core-filter-helpers-to-have-word-core.patch
mm-damon-rename-damos-filters-to-damos-core_filters.patch
mm-damon-vaddr-cleanup-using-pmd_trans_huge_lock.patch
mm-damon-vaddr-use-vm_normal_folio_pmd-instead-of-damon_get_folio.patch
mm-damon-vaddr-consistently-use-only-pmd_entry-for-damos_migrate.patch
mm-damon-tests-core-kunit-remove-damon_min_region-redefinition.patch
selftests-damon-sysfspy-merge-damon-status-dumping-into-commitment-assertion.patch
docs-mm-damon-maintainer-profile-fix-a-typo-on-mm-untable-link.patch
docs-mm-damon-maintainer-profile-fix-grammartical-errors.patch
The quilt patch titled
Subject: mm/damon/tests/core-kunit: handle alloc failres in damon_test_new_filter()
has been removed from the -mm tree. Its filename was
mm-damon-tests-core-kunit-handle-alloc-failres-in-damon_test_new_filter.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj(a)kernel.org>
Subject: mm/damon/tests/core-kunit: handle alloc failres in damon_test_new_filter()
Date: Sat, 1 Nov 2025 11:20:07 -0700
damon_test_new_filter() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup pre-allocated memory and skip the execution of the remaining tests
in the failure cases.
Link: https://lkml.kernel.org/r/20251101182021.74868-14-sj@kernel.org
Fixes: 2a158e956b98 ("mm/damon/core-test: add a test for damos_new_filter()")
Signed-off-by: SeongJae Park <sj(a)kernel.org>
Cc: Brendan Higgins <brendan.higgins(a)linux.dev>
Cc: David Gow <davidgow(a)google.com>
Cc: Kefeng Wang <wangkefeng.wang(a)huawei.com>
Cc: <stable(a)vger.kernel.org> [6.6+]
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
---
mm/damon/tests/core-kunit.h | 2 ++
1 file changed, 2 insertions(+)
--- a/mm/damon/tests/core-kunit.h~mm-damon-tests-core-kunit-handle-alloc-failres-in-damon_test_new_filter
+++ a/mm/damon/tests/core-kunit.h
@@ -505,6 +505,8 @@ static void damos_test_new_filter(struct
struct damos_filter *filter;
filter = damos_new_filter(DAMOS_FILTER_TYPE_ANON, true, false);
+ if (!filter)
+ kunit_skip(test, "filter alloc fail");
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);
_
Patches currently in -mm which might be from sj(a)kernel.org are
mm-damon-tests-core-kunit-remove-dynamic-allocs-on-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-split-out-damos_test_commit_filter-core-logic.patch
mm-damon-tests-core-kunit-extend-damos_test_commit_filter_for-for-union-fields.patch
mm-damon-tests-core-kunit-add-test-cases-to-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goal-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goals-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota-test.patch
mm-damon-core-pass-migrate_dests-to-damos_commit_dests.patch
mm-damon-tests-core-kunit-add-damos_commit_dests-test.patch
mm-damon-tests-core-kunit-add-damos_commit-test.patch
mm-damon-tests-core-kunit-add-damon_commit_target_regions-test.patch
mm-damon-rename-damos-core-filter-helpers-to-have-word-core.patch
mm-damon-rename-damos-filters-to-damos-core_filters.patch
mm-damon-vaddr-cleanup-using-pmd_trans_huge_lock.patch
mm-damon-vaddr-use-vm_normal_folio_pmd-instead-of-damon_get_folio.patch
mm-damon-vaddr-consistently-use-only-pmd_entry-for-damos_migrate.patch
mm-damon-tests-core-kunit-remove-damon_min_region-redefinition.patch
selftests-damon-sysfspy-merge-damon-status-dumping-into-commitment-assertion.patch
docs-mm-damon-maintainer-profile-fix-a-typo-on-mm-untable-link.patch
docs-mm-damon-maintainer-profile-fix-grammartical-errors.patch
The quilt patch titled
Subject: mm/damon/tests/core-kunit: handle alloc failure on damon_test_set_attrs()
has been removed from the -mm tree. Its filename was
mm-damon-tests-core-kunit-handle-alloc-failure-on-damon_test_set_attrs.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj(a)kernel.org>
Subject: mm/damon/tests/core-kunit: handle alloc failure on damon_test_set_attrs()
Date: Sat, 1 Nov 2025 11:20:06 -0700
damon_test_set_attrs() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup pre-allocated memory and skip the execution of the remaining tests
in the failure cases.
Link: https://lkml.kernel.org/r/20251101182021.74868-13-sj@kernel.org
Fixes: aa13779be6b7 ("mm/damon/core-test: add a test for damon_set_attrs()")
Signed-off-by: SeongJae Park <sj(a)kernel.org>
Cc: Brendan Higgins <brendan.higgins(a)linux.dev>
Cc: David Gow <davidgow(a)google.com>
Cc: Kefeng Wang <wangkefeng.wang(a)huawei.com>
Cc: <stable(a)vger.kernel.org> [6.5+]
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
---
mm/damon/tests/core-kunit.h | 3 +++
1 file changed, 3 insertions(+)
--- a/mm/damon/tests/core-kunit.h~mm-damon-tests-core-kunit-handle-alloc-failure-on-damon_test_set_attrs
+++ a/mm/damon/tests/core-kunit.h
@@ -465,6 +465,9 @@ static void damon_test_set_attrs(struct
.sample_interval = 5000, .aggr_interval = 100000,};
struct damon_attrs invalid_attrs;
+ if (!c)
+ kunit_skip(test, "ctx alloc fail");
+
KUNIT_EXPECT_EQ(test, damon_set_attrs(c, &valid_attrs), 0);
invalid_attrs = valid_attrs;
_
Patches currently in -mm which might be from sj(a)kernel.org are
mm-damon-tests-core-kunit-remove-dynamic-allocs-on-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-split-out-damos_test_commit_filter-core-logic.patch
mm-damon-tests-core-kunit-extend-damos_test_commit_filter_for-for-union-fields.patch
mm-damon-tests-core-kunit-add-test-cases-to-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goal-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goals-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota-test.patch
mm-damon-core-pass-migrate_dests-to-damos_commit_dests.patch
mm-damon-tests-core-kunit-add-damos_commit_dests-test.patch
mm-damon-tests-core-kunit-add-damos_commit-test.patch
mm-damon-tests-core-kunit-add-damon_commit_target_regions-test.patch
mm-damon-rename-damos-core-filter-helpers-to-have-word-core.patch
mm-damon-rename-damos-filters-to-damos-core_filters.patch
mm-damon-vaddr-cleanup-using-pmd_trans_huge_lock.patch
mm-damon-vaddr-use-vm_normal_folio_pmd-instead-of-damon_get_folio.patch
mm-damon-vaddr-consistently-use-only-pmd_entry-for-damos_migrate.patch
mm-damon-tests-core-kunit-remove-damon_min_region-redefinition.patch
selftests-damon-sysfspy-merge-damon-status-dumping-into-commitment-assertion.patch
docs-mm-damon-maintainer-profile-fix-a-typo-on-mm-untable-link.patch
docs-mm-damon-maintainer-profile-fix-grammartical-errors.patch
The quilt patch titled
Subject: mm/damon/tests/core-kunit: handle alloc failures in damon_test_update_monitoring_result()
has been removed from the -mm tree. Its filename was
mm-damon-tests-core-kunit-handle-alloc-failures-in-damon_test_update_monitoring_result.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj(a)kernel.org>
Subject: mm/damon/tests/core-kunit: handle alloc failures in damon_test_update_monitoring_result()
Date: Sat, 1 Nov 2025 11:20:05 -0700
damon_test_update_monitoring_result() is assuming all dynamic memory
allocation in it will succeed. Those are indeed likely in the real use
cases since those allocations are too small to fail, but theoretically
those could fail. In the case, inappropriate memory access can happen.
Fix it by appropriately cleanup pre-allocated memory and skip the
execution of the remaining tests in the failure cases.
Link: https://lkml.kernel.org/r/20251101182021.74868-12-sj@kernel.org
Fixes: f4c978b6594b ("mm/damon/core-test: add a test for damon_update_monitoring_results()")
Signed-off-by: SeongJae Park <sj(a)kernel.org>
Cc: Brendan Higgins <brendan.higgins(a)linux.dev>
Cc: David Gow <davidgow(a)google.com>
Cc: Kefeng Wang <wangkefeng.wang(a)huawei.com>
Cc: <stable(a)vger.kernel.org> [6.3+]
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
---
mm/damon/tests/core-kunit.h | 3 +++
1 file changed, 3 insertions(+)
--- a/mm/damon/tests/core-kunit.h~mm-damon-tests-core-kunit-handle-alloc-failures-in-damon_test_update_monitoring_result
+++ a/mm/damon/tests/core-kunit.h
@@ -429,6 +429,9 @@ static void damon_test_update_monitoring
struct damon_attrs new_attrs;
struct damon_region *r = damon_new_region(3, 7);
+ if (!r)
+ kunit_skip(test, "region alloc fail");
+
r->nr_accesses = 15;
r->nr_accesses_bp = 150000;
r->age = 20;
_
Patches currently in -mm which might be from sj(a)kernel.org are
mm-damon-tests-core-kunit-remove-dynamic-allocs-on-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-split-out-damos_test_commit_filter-core-logic.patch
mm-damon-tests-core-kunit-extend-damos_test_commit_filter_for-for-union-fields.patch
mm-damon-tests-core-kunit-add-test-cases-to-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goal-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goals-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota-test.patch
mm-damon-core-pass-migrate_dests-to-damos_commit_dests.patch
mm-damon-tests-core-kunit-add-damos_commit_dests-test.patch
mm-damon-tests-core-kunit-add-damos_commit-test.patch
mm-damon-tests-core-kunit-add-damon_commit_target_regions-test.patch
mm-damon-rename-damos-core-filter-helpers-to-have-word-core.patch
mm-damon-rename-damos-filters-to-damos-core_filters.patch
mm-damon-vaddr-cleanup-using-pmd_trans_huge_lock.patch
mm-damon-vaddr-use-vm_normal_folio_pmd-instead-of-damon_get_folio.patch
mm-damon-vaddr-consistently-use-only-pmd_entry-for-damos_migrate.patch
mm-damon-tests-core-kunit-remove-damon_min_region-redefinition.patch
selftests-damon-sysfspy-merge-damon-status-dumping-into-commitment-assertion.patch
docs-mm-damon-maintainer-profile-fix-a-typo-on-mm-untable-link.patch
docs-mm-damon-maintainer-profile-fix-grammartical-errors.patch
The quilt patch titled
Subject: mm/damon/tests/core-kunit: handle alloc failures in damon_test_set_regions()
has been removed from the -mm tree. Its filename was
mm-damon-tests-core-kunit-handle-alloc-failures-in-damon_test_set_regions.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj(a)kernel.org>
Subject: mm/damon/tests/core-kunit: handle alloc failures in damon_test_set_regions()
Date: Sat, 1 Nov 2025 11:20:04 -0700
damon_test_set_regions() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup pre-allocated memory and skip the execution of the remaining tests
in the failure cases.
Link: https://lkml.kernel.org/r/20251101182021.74868-11-sj@kernel.org
Fixes: 62f409560eb2 ("mm/damon/core-test: test damon_set_regions")
Signed-off-by: SeongJae Park <sj(a)kernel.org>
Cc: Brendan Higgins <brendan.higgins(a)linux.dev>
Cc: David Gow <davidgow(a)google.com>
Cc: Kefeng Wang <wangkefeng.wang(a)huawei.com>
Cc: <stable(a)vger.kernel.org> [6.1+]
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
---
mm/damon/tests/core-kunit.h | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
--- a/mm/damon/tests/core-kunit.h~mm-damon-tests-core-kunit-handle-alloc-failures-in-damon_test_set_regions
+++ a/mm/damon/tests/core-kunit.h
@@ -368,13 +368,26 @@ static void damon_test_ops_registration(
static void damon_test_set_regions(struct kunit *test)
{
struct damon_target *t = damon_new_target();
- struct damon_region *r1 = damon_new_region(4, 16);
- struct damon_region *r2 = damon_new_region(24, 32);
+ struct damon_region *r1, *r2;
struct damon_addr_range range = {.start = 8, .end = 28};
unsigned long expects[] = {8, 16, 16, 24, 24, 28};
int expect_idx = 0;
struct damon_region *r;
+ if (!t)
+ kunit_skip(test, "target alloc fail");
+ r1 = damon_new_region(4, 16);
+ if (!r1) {
+ damon_free_target(t);
+ kunit_skip(test, "region alloc fail");
+ }
+ r2 = damon_new_region(24, 32);
+ if (!r2) {
+ damon_free_target(t);
+ damon_free_region(r1);
+ kunit_skip(test, "second region alloc fail");
+ }
+
damon_add_region(r1, t);
damon_add_region(r2, t);
damon_set_regions(t, &range, 1, DAMON_MIN_REGION);
_
Patches currently in -mm which might be from sj(a)kernel.org are
mm-damon-tests-core-kunit-remove-dynamic-allocs-on-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-split-out-damos_test_commit_filter-core-logic.patch
mm-damon-tests-core-kunit-extend-damos_test_commit_filter_for-for-union-fields.patch
mm-damon-tests-core-kunit-add-test-cases-to-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goal-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goals-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota-test.patch
mm-damon-core-pass-migrate_dests-to-damos_commit_dests.patch
mm-damon-tests-core-kunit-add-damos_commit_dests-test.patch
mm-damon-tests-core-kunit-add-damos_commit-test.patch
mm-damon-tests-core-kunit-add-damon_commit_target_regions-test.patch
mm-damon-rename-damos-core-filter-helpers-to-have-word-core.patch
mm-damon-rename-damos-filters-to-damos-core_filters.patch
mm-damon-vaddr-cleanup-using-pmd_trans_huge_lock.patch
mm-damon-vaddr-use-vm_normal_folio_pmd-instead-of-damon_get_folio.patch
mm-damon-vaddr-consistently-use-only-pmd_entry-for-damos_migrate.patch
mm-damon-tests-core-kunit-remove-damon_min_region-redefinition.patch
selftests-damon-sysfspy-merge-damon-status-dumping-into-commitment-assertion.patch
docs-mm-damon-maintainer-profile-fix-a-typo-on-mm-untable-link.patch
docs-mm-damon-maintainer-profile-fix-grammartical-errors.patch
The quilt patch titled
Subject: mm/damon/tests/core-kunit: handle alloc failures in damon_test_ops_registration()
has been removed from the -mm tree. Its filename was
mm-damon-tests-core-kunit-handle-alloc-failures-in-damon_test_ops_registration.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj(a)kernel.org>
Subject: mm/damon/tests/core-kunit: handle alloc failures in damon_test_ops_registration()
Date: Sat, 1 Nov 2025 11:20:03 -0700
damon_test_ops_registration() is assuming all dynamic memory allocation in
it will succeed. Those are indeed likely in the real use cases since
those allocations are too small to fail, but theoretically those could
fail. In the case, inappropriate memory access can happen. Fix it by
appropriately cleanup pre-allocated memory and skip the execution of the
remaining tests in the failure cases.
Link: https://lkml.kernel.org/r/20251101182021.74868-10-sj@kernel.org
Fixes: 4f540f5ab4f2 ("mm/damon/core-test: add a kunit test case for ops registration")
Signed-off-by: SeongJae Park <sj(a)kernel.org>
Cc: Brendan Higgins <brendan.higgins(a)linux.dev>
Cc: David Gow <davidgow(a)google.com>
Cc: Kefeng Wang <wangkefeng.wang(a)huawei.com>
Cc: <stable(a)vger.kernel.org> [5.19+]
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
---
mm/damon/tests/core-kunit.h | 3 +++
1 file changed, 3 insertions(+)
--- a/mm/damon/tests/core-kunit.h~mm-damon-tests-core-kunit-handle-alloc-failures-in-damon_test_ops_registration
+++ a/mm/damon/tests/core-kunit.h
@@ -320,6 +320,9 @@ static void damon_test_ops_registration(
struct damon_operations ops = {.id = DAMON_OPS_VADDR}, bak;
bool need_cleanup = false;
+ if (!c)
+ kunit_skip(test, "ctx alloc fail");
+
/* DAMON_OPS_VADDR is registered only if CONFIG_DAMON_VADDR is set */
if (!damon_is_registered_ops(DAMON_OPS_VADDR)) {
bak.id = DAMON_OPS_VADDR;
_
Patches currently in -mm which might be from sj(a)kernel.org are
mm-damon-tests-core-kunit-remove-dynamic-allocs-on-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-split-out-damos_test_commit_filter-core-logic.patch
mm-damon-tests-core-kunit-extend-damos_test_commit_filter_for-for-union-fields.patch
mm-damon-tests-core-kunit-add-test-cases-to-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goal-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goals-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota-test.patch
mm-damon-core-pass-migrate_dests-to-damos_commit_dests.patch
mm-damon-tests-core-kunit-add-damos_commit_dests-test.patch
mm-damon-tests-core-kunit-add-damos_commit-test.patch
mm-damon-tests-core-kunit-add-damon_commit_target_regions-test.patch
mm-damon-rename-damos-core-filter-helpers-to-have-word-core.patch
mm-damon-rename-damos-filters-to-damos-core_filters.patch
mm-damon-vaddr-cleanup-using-pmd_trans_huge_lock.patch
mm-damon-vaddr-use-vm_normal_folio_pmd-instead-of-damon_get_folio.patch
mm-damon-vaddr-consistently-use-only-pmd_entry-for-damos_migrate.patch
mm-damon-tests-core-kunit-remove-damon_min_region-redefinition.patch
selftests-damon-sysfspy-merge-damon-status-dumping-into-commitment-assertion.patch
docs-mm-damon-maintainer-profile-fix-a-typo-on-mm-untable-link.patch
docs-mm-damon-maintainer-profile-fix-grammartical-errors.patch
The quilt patch titled
Subject: mm/damon/tests/core-kunit: handle alloc failures on damon_test_split_regions_of()
has been removed from the -mm tree. Its filename was
mm-damon-tests-core-kunit-handle-alloc-failures-on-damon_test_split_regions_of.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj(a)kernel.org>
Subject: mm/damon/tests/core-kunit: handle alloc failures on damon_test_split_regions_of()
Date: Sat, 1 Nov 2025 11:20:02 -0700
damon_test_split_regions_of() is assuming all dynamic memory allocation in
it will succeed. Those are indeed likely in the real use cases since
those allocations are too small to fail, but theoretically those could
fail. In the case, inappropriate memory access can happen. Fix it by
appropriately cleanup pre-allocated memory and skip the execution of the
remaining tests in the failure cases.
Link: https://lkml.kernel.org/r/20251101182021.74868-9-sj@kernel.org
Fixes: 17ccae8bb5c9 ("mm/damon: add kunit tests")
Signed-off-by: SeongJae Park <sj(a)kernel.org>
Cc: Brendan Higgins <brendan.higgins(a)linux.dev>
Cc: David Gow <davidgow(a)google.com>
Cc: Kefeng Wang <wangkefeng.wang(a)huawei.com>
Cc: <stable(a)vger.kernel.org> [5.15+]
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
---
mm/damon/tests/core-kunit.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
--- a/mm/damon/tests/core-kunit.h~mm-damon-tests-core-kunit-handle-alloc-failures-on-damon_test_split_regions_of
+++ a/mm/damon/tests/core-kunit.h
@@ -278,15 +278,35 @@ static void damon_test_split_regions_of(
struct damon_target *t;
struct damon_region *r;
+ if (!c)
+ kunit_skip("ctx alloc fail");
t = damon_new_target();
+ if (!t) {
+ damon_destroy_ctx(c);
+ kunit_skip(test, "target alloc fail");
+ }
r = damon_new_region(0, 22);
+ if (!r) {
+ damon_destroy_ctx(c);
+ damon_free_target(t);
+ kunit_skip(test, "region alloc fail");
+ }
damon_add_region(r, t);
damon_split_regions_of(t, 2, DAMON_MIN_REGION);
KUNIT_EXPECT_LE(test, damon_nr_regions(t), 2u);
damon_free_target(t);
t = damon_new_target();
+ if (!t) {
+ damon_destroy_ctx(c);
+ kunit_skip(test, "second target alloc fail");
+ }
r = damon_new_region(0, 220);
+ if (!r) {
+ damon_destroy_ctx(c);
+ damon_free_target(t);
+ kunit_skip(test, "second region alloc fail");
+ }
damon_add_region(r, t);
damon_split_regions_of(t, 4, DAMON_MIN_REGION);
KUNIT_EXPECT_LE(test, damon_nr_regions(t), 4u);
_
Patches currently in -mm which might be from sj(a)kernel.org are
mm-damon-tests-core-kunit-remove-dynamic-allocs-on-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-split-out-damos_test_commit_filter-core-logic.patch
mm-damon-tests-core-kunit-extend-damos_test_commit_filter_for-for-union-fields.patch
mm-damon-tests-core-kunit-add-test-cases-to-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goal-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goals-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota-test.patch
mm-damon-core-pass-migrate_dests-to-damos_commit_dests.patch
mm-damon-tests-core-kunit-add-damos_commit_dests-test.patch
mm-damon-tests-core-kunit-add-damos_commit-test.patch
mm-damon-tests-core-kunit-add-damon_commit_target_regions-test.patch
mm-damon-rename-damos-core-filter-helpers-to-have-word-core.patch
mm-damon-rename-damos-filters-to-damos-core_filters.patch
mm-damon-vaddr-cleanup-using-pmd_trans_huge_lock.patch
mm-damon-vaddr-use-vm_normal_folio_pmd-instead-of-damon_get_folio.patch
mm-damon-vaddr-consistently-use-only-pmd_entry-for-damos_migrate.patch
mm-damon-tests-core-kunit-remove-damon_min_region-redefinition.patch
selftests-damon-sysfspy-merge-damon-status-dumping-into-commitment-assertion.patch
docs-mm-damon-maintainer-profile-fix-a-typo-on-mm-untable-link.patch
docs-mm-damon-maintainer-profile-fix-grammartical-errors.patch
The quilt patch titled
Subject: mm/damon/tests/core-kunit: handle alloc failures on dasmon_test_merge_regions_of()
has been removed from the -mm tree. Its filename was
mm-damon-tests-core-kunit-handle-alloc-failures-on-dasmon_test_merge_regions_of.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj(a)kernel.org>
Subject: mm/damon/tests/core-kunit: handle alloc failures on dasmon_test_merge_regions_of()
Date: Sat, 1 Nov 2025 11:20:01 -0700
damon_test_merge_regions_of() is assuming all dynamic memory allocation in
it will succeed. Those are indeed likely in the real use cases since
those allocations are too small to fail, but theoretically those could
fail. In the case, inappropriate memory access can happen. Fix it by
appropriately cleanup pre-allocated memory and skip the execution of the
remaining tests in the failure cases.
Link: https://lkml.kernel.org/r/20251101182021.74868-8-sj@kernel.org
Fixes: 17ccae8bb5c9 ("mm/damon: add kunit tests")
Signed-off-by: SeongJae Park <sj(a)kernel.org>
Cc: Brendan Higgins <brendan.higgins(a)linux.dev>
Cc: David Gow <davidgow(a)google.com>
Cc: Kefeng Wang <wangkefeng.wang(a)huawei.com>
Cc: <stable(a)vger.kernel.org> [5.15+]
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
---
mm/damon/tests/core-kunit.h | 6 ++++++
1 file changed, 6 insertions(+)
--- a/mm/damon/tests/core-kunit.h~mm-damon-tests-core-kunit-handle-alloc-failures-on-dasmon_test_merge_regions_of
+++ a/mm/damon/tests/core-kunit.h
@@ -248,8 +248,14 @@ static void damon_test_merge_regions_of(
int i;
t = damon_new_target();
+ if (!t)
+ kunit_skip(test, "target alloc fail");
for (i = 0; i < ARRAY_SIZE(sa); i++) {
r = damon_new_region(sa[i], ea[i]);
+ if (!r) {
+ damon_free_target(t);
+ kunit_skip(test, "region alloc fail");
+ }
r->nr_accesses = nrs[i];
r->nr_accesses_bp = nrs[i] * 10000;
damon_add_region(r, t);
_
Patches currently in -mm which might be from sj(a)kernel.org are
mm-damon-tests-core-kunit-remove-dynamic-allocs-on-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-split-out-damos_test_commit_filter-core-logic.patch
mm-damon-tests-core-kunit-extend-damos_test_commit_filter_for-for-union-fields.patch
mm-damon-tests-core-kunit-add-test-cases-to-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goal-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goals-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota-test.patch
mm-damon-core-pass-migrate_dests-to-damos_commit_dests.patch
mm-damon-tests-core-kunit-add-damos_commit_dests-test.patch
mm-damon-tests-core-kunit-add-damos_commit-test.patch
mm-damon-tests-core-kunit-add-damon_commit_target_regions-test.patch
mm-damon-rename-damos-core-filter-helpers-to-have-word-core.patch
mm-damon-rename-damos-filters-to-damos-core_filters.patch
mm-damon-vaddr-cleanup-using-pmd_trans_huge_lock.patch
mm-damon-vaddr-use-vm_normal_folio_pmd-instead-of-damon_get_folio.patch
mm-damon-vaddr-consistently-use-only-pmd_entry-for-damos_migrate.patch
mm-damon-tests-core-kunit-remove-damon_min_region-redefinition.patch
selftests-damon-sysfspy-merge-damon-status-dumping-into-commitment-assertion.patch
docs-mm-damon-maintainer-profile-fix-a-typo-on-mm-untable-link.patch
docs-mm-damon-maintainer-profile-fix-grammartical-errors.patch
The quilt patch titled
Subject: mm/damon/tests/core-kunit: handle alloc failures on damon_test_merge_two()
has been removed from the -mm tree. Its filename was
mm-damon-tests-core-kunit-handle-alloc-failures-on-damon_test_merge_two.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj(a)kernel.org>
Subject: mm/damon/tests/core-kunit: handle alloc failures on damon_test_merge_two()
Date: Sat, 1 Nov 2025 11:20:00 -0700
damon_test_merge_two() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup pre-allocated memory and skip the execution of the remaining tests
in the failure cases.
Link: https://lkml.kernel.org/r/20251101182021.74868-7-sj@kernel.org
Fixes: 17ccae8bb5c9 ("mm/damon: add kunit tests")
Signed-off-by: SeongJae Park <sj(a)kernel.org>
Cc: Brendan Higgins <brendan.higgins(a)linux.dev>
Cc: David Gow <davidgow(a)google.com>
Cc: Kefeng Wang <wangkefeng.wang(a)huawei.com>
Cc: <stable(a)vger.kernel.org> [5.15+]
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
---
mm/damon/tests/core-kunit.h | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/mm/damon/tests/core-kunit.h~mm-damon-tests-core-kunit-handle-alloc-failures-on-damon_test_merge_two
+++ a/mm/damon/tests/core-kunit.h
@@ -188,11 +188,21 @@ static void damon_test_merge_two(struct
int i;
t = damon_new_target();
+ if (!t)
+ kunit_skip(test, "target alloc fail");
r = damon_new_region(0, 100);
+ if (!r) {
+ damon_free_target(t);
+ kunit_skip(test, "region alloc fail");
+ }
r->nr_accesses = 10;
r->nr_accesses_bp = 100000;
damon_add_region(r, t);
r2 = damon_new_region(100, 300);
+ if (!r2) {
+ damon_free_target(t);
+ kunit_skip(test, "second region alloc fail");
+ }
r2->nr_accesses = 20;
r2->nr_accesses_bp = 200000;
damon_add_region(r2, t);
_
Patches currently in -mm which might be from sj(a)kernel.org are
mm-damon-tests-core-kunit-remove-dynamic-allocs-on-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-split-out-damos_test_commit_filter-core-logic.patch
mm-damon-tests-core-kunit-extend-damos_test_commit_filter_for-for-union-fields.patch
mm-damon-tests-core-kunit-add-test-cases-to-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goal-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goals-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota-test.patch
mm-damon-core-pass-migrate_dests-to-damos_commit_dests.patch
mm-damon-tests-core-kunit-add-damos_commit_dests-test.patch
mm-damon-tests-core-kunit-add-damos_commit-test.patch
mm-damon-tests-core-kunit-add-damon_commit_target_regions-test.patch
mm-damon-rename-damos-core-filter-helpers-to-have-word-core.patch
mm-damon-rename-damos-filters-to-damos-core_filters.patch
mm-damon-vaddr-cleanup-using-pmd_trans_huge_lock.patch
mm-damon-vaddr-use-vm_normal_folio_pmd-instead-of-damon_get_folio.patch
mm-damon-vaddr-consistently-use-only-pmd_entry-for-damos_migrate.patch
mm-damon-tests-core-kunit-remove-damon_min_region-redefinition.patch
selftests-damon-sysfspy-merge-damon-status-dumping-into-commitment-assertion.patch
docs-mm-damon-maintainer-profile-fix-a-typo-on-mm-untable-link.patch
docs-mm-damon-maintainer-profile-fix-grammartical-errors.patch
The quilt patch titled
Subject: mm/damon/tests/core-kunit: handle alloc failures on damon_test_split_at()
has been removed from the -mm tree. Its filename was
mm-damon-tests-core-kunit-handle-alloc-failures-on-damon_test_split_at.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj(a)kernel.org>
Subject: mm/damon/tests/core-kunit: handle alloc failures on damon_test_split_at()
Date: Sat, 1 Nov 2025 11:19:59 -0700
damon_test_split_at() is assuming all dynamic memory allocation in it will
succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup pre-allocated memory and skip the execution of the remaining tests
in the failure cases.
Link: https://lkml.kernel.org/r/20251101182021.74868-6-sj@kernel.org
Fixes: 17ccae8bb5c9 ("mm/damon: add kunit tests")
Signed-off-by: SeongJae Park <sj(a)kernel.org>
Cc: Brendan Higgins <brendan.higgins(a)linux.dev>
Cc: David Gow <davidgow(a)google.com>
Cc: Kefeng Wang <wangkefeng.wang(a)huawei.com>
Cc: <stable(a)vger.kernel.org> [5.15+]
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
---
mm/damon/tests/core-kunit.h | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/mm/damon/tests/core-kunit.h~mm-damon-tests-core-kunit-handle-alloc-failures-on-damon_test_split_at
+++ a/mm/damon/tests/core-kunit.h
@@ -148,8 +148,19 @@ static void damon_test_split_at(struct k
struct damon_target *t;
struct damon_region *r, *r_new;
+ if (!c)
+ kunit_skip(test, "ctx alloc fail");
t = damon_new_target();
+ if (!t) {
+ damon_destroy_ctx(c);
+ kunit_skip(test, "target alloc fail");
+ }
r = damon_new_region(0, 100);
+ if (!r) {
+ damon_destroy_ctx(c);
+ damon_free_target(t);
+ kunit_skip(test, "region alloc fail");
+ }
r->nr_accesses_bp = 420000;
r->nr_accesses = 42;
r->last_nr_accesses = 15;
_
Patches currently in -mm which might be from sj(a)kernel.org are
mm-damon-tests-core-kunit-remove-dynamic-allocs-on-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-split-out-damos_test_commit_filter-core-logic.patch
mm-damon-tests-core-kunit-extend-damos_test_commit_filter_for-for-union-fields.patch
mm-damon-tests-core-kunit-add-test-cases-to-damos_test_commit_filter.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goal-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota_goals-test.patch
mm-damon-tests-core-kunit-add-damos_commit_quota-test.patch
mm-damon-core-pass-migrate_dests-to-damos_commit_dests.patch
mm-damon-tests-core-kunit-add-damos_commit_dests-test.patch
mm-damon-tests-core-kunit-add-damos_commit-test.patch
mm-damon-tests-core-kunit-add-damon_commit_target_regions-test.patch
mm-damon-rename-damos-core-filter-helpers-to-have-word-core.patch
mm-damon-rename-damos-filters-to-damos-core_filters.patch
mm-damon-vaddr-cleanup-using-pmd_trans_huge_lock.patch
mm-damon-vaddr-use-vm_normal_folio_pmd-instead-of-damon_get_folio.patch
mm-damon-vaddr-consistently-use-only-pmd_entry-for-damos_migrate.patch
mm-damon-tests-core-kunit-remove-damon_min_region-redefinition.patch
selftests-damon-sysfspy-merge-damon-status-dumping-into-commitment-assertion.patch
docs-mm-damon-maintainer-profile-fix-a-typo-on-mm-untable-link.patch
docs-mm-damon-maintainer-profile-fix-grammartical-errors.patch
