FAILED: patch "[PATCH] mm/damon/core-kunit: test invalid damos filter commits" failed to apply to 5.15-stable tree

[Sasha Levin <sashal@kernel.org>]

The patch below does not apply to the 5.15-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y
git checkout FETCH_HEAD
git cherry-pick -x 409d2ab6d98209c30d45123920721710475a30b4
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '20261107060443-failed-5.15-409d2ab6d982@kernel.org' --subject-prefix 'PATCH 5.15.y' 'HEAD^..'

Thanks,
Sasha

------------------ original commit in Linus's tree ------------------

From 409d2ab6d98209c30d45123920721710475a30b4 Mon Sep 17 00:00:00 2001
From: SJ Park <sj@kernel.org>
Date: Mon, 14 Sep 2026 07:23:25 -0700
Subject: [PATCH] mm/damon/core-kunit: test invalid damos filter commits

Add test cases for testing the validation of damos filter arguments in
commit time.

Link: https://lore.kernel.org/20260914142327.92510-9-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Gow <davidgow@davidgow.net>
Cc: Usama Arif <usamaarif642@gmail.com>
Cc: <stable@vger.kernel.org>
---
 mm/damon/tests/core-kunit.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 2b0931cf6fb32..527abc2570616 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -1184,6 +1184,13 @@ static void damos_test_commit_filter(struct kunit *test)
 			.allow = false,
 			.sz_range = {.min = 234, .max = 345},
 			}, false);
+	damos_test_commit_filter_for(test, &dst,
+			&(struct damos_filter){
+			.type = DAMOS_FILTER_TYPE_HUGEPAGE_SIZE,
+			.matching = false,
+			.allow = false,
+			.sz_range = {.min = 456, .max = 123},
+			}, true);
 	damos_test_commit_filter_for(test, &dst,
 			&(struct damos_filter){
 			.type = DAMOS_FILTER_TYPE_UNMAPPED,
@@ -1197,6 +1204,13 @@ static void damos_test_commit_filter(struct kunit *test)
 			.allow = false,
 			.addr_range = {.start = 456, .end = 567},
 			}, false);
+	damos_test_commit_filter_for(test, &dst,
+			&(struct damos_filter){
+			.type = DAMOS_FILTER_TYPE_ADDR,
+			.matching = false,
+			.allow = false,
+			.addr_range = {.start = 567, .end = 456},
+			}, true);
 	damos_test_commit_filter_for(test, &dst,
 			&(struct damos_filter){
 			.type = DAMOS_FILTER_TYPE_TARGET,
-- 
2.53.0