The quilt patch titled
Subject: selftests/damon: test non-context inputs to rm_contexts file
has been removed from the -mm tree. Its filename was
selftests-damon-test-non-context-inputs-to-rm_contexts-file.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@xxxxxxxxxx>
Subject: selftests/damon: test non-context inputs to rm_contexts file
Date: Mon, 7 Nov 2022 16:50:01 +0000
There was a bug[1] that triggered by writing non-context DAMON debugfs
file names to the 'rm_contexts' DAMON debugfs file. Add a selftest for
the bug to avoid it happen again.
[1] https://lore.kernel.org/damon/000000000000ede3ac05ec4abf8e@xxxxxxxxxx/
Link: https://lkml.kernel.org/r/20221107165001.5717-3-sj@xxxxxxxxxx
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/damon/Makefile | 1
tools/testing/selftests/damon/debugfs_rm_non_contexts.sh | 19 ++++++++++
2 files changed, 20 insertions(+)
--- /dev/null
+++ a/tools/testing/selftests/damon/debugfs_rm_non_contexts.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source _debugfs_common.sh
+
+# Test putting non-ctx files/dirs to rm_contexts file
+# ===================================================
+
+dmesg -C
+
+for file in "$DBGFS/"*
+do
+ echo "$(basename "$f")" > "$DBGFS/rm_contexts"
+ if dmesg | grep -q BUG
+ then
+ dmesg
+ exit 1
+ fi
+done
--- a/tools/testing/selftests/damon/Makefile~selftests-damon-test-non-context-inputs-to-rm_contexts-file
+++ a/tools/testing/selftests/damon/Makefile
@@ -7,6 +7,7 @@ TEST_FILES = _chk_dependency.sh _debugfs
TEST_PROGS = debugfs_attrs.sh debugfs_schemes.sh debugfs_target_ids.sh
TEST_PROGS += debugfs_empty_targets.sh debugfs_huge_count_read_write.sh
TEST_PROGS += debugfs_duplicate_context_creation.sh
+TEST_PROGS += debugfs_rm_non_contexts.sh
TEST_PROGS += sysfs.sh
TEST_PROGS += reclaim.sh lru_sort.sh
_
Patches currently in -mm which might be from sj@xxxxxxxxxx are
