linux/mm/damon
Jinjie Ruan 05d43455f6 mm/damon/tests/sysfs-kunit.h: fix memory leak in damon_sysfs_test_add_targets()
commit 2d6a1c8356 upstream.

The sysfs_target->regions allocated in damon_sysfs_regions_alloc() is not
freed in damon_sysfs_test_add_targets(), which cause the following memory
leak, free it to fix it.

	unreferenced object 0xffffff80c2a8db80 (size 96):
	  comm "kunit_try_catch", pid 187, jiffies 4294894363
	  hex dump (first 32 bytes):
	    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
	    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
	  backtrace (crc 0):
	    [<0000000001e3714d>] kmemleak_alloc+0x34/0x40
	    [<000000008e6835c1>] __kmalloc_cache_noprof+0x26c/0x2f4
	    [<000000001286d9f8>] damon_sysfs_test_add_targets+0x1cc/0x738
	    [<0000000032ef8f77>] kunit_try_run_case+0x13c/0x3ac
	    [<00000000f3edea23>] kunit_generic_run_threadfn_adapter+0x80/0xec
	    [<00000000adf936cf>] kthread+0x2e8/0x374
	    [<0000000041bb1628>] ret_from_fork+0x10/0x20

Link: https://lkml.kernel.org/r/20241010125323.3127187-1-ruanjinjie@huawei.com
Fixes: b8ee5575f7 ("mm/damon/sysfs-test: add a unit test for damon_sysfs_set_targets()")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-10-22 15:51:21 +02:00
..
core-test.h mm/damon/core-test: test max_nr_accesses overflow caused divide-by-zero 2023-12-20 14:48:13 -08:00
core.c Merge branch 'mm-hotfixes-stable' into mm-stable to pick up "mm: fix 2024-07-06 11:44:41 -07:00
dbgfs-test.h mm/damon: update email of SeongJae 2023-12-20 14:48:13 -08:00
dbgfs.c mm/damon/sysfs-schemes: add target_nid on sysfs-schemes 2024-07-03 19:30:12 -07:00
Kconfig mm/damon: rename CONFIG_DAMON_DBGFS to DAMON_DBGFS_DEPRECATED 2024-02-22 10:24:45 -08:00
lru_sort.c mm/damon/lru_sort: remove unnecessary online tuning handling code 2024-07-03 19:30:15 -07:00
Makefile mm/damon/modules: deduplicate init steps for DAMON context setup 2022-11-30 15:01:26 -08:00
modules-common.c mm/damon: update email of SeongJae 2023-12-20 14:48:13 -08:00
modules-common.h mm/damon/modules: deduplicate init steps for DAMON context setup 2022-11-30 15:01:26 -08:00
ops-common.c mm/damon/ops-common: avoid divide-by-zero during region hotness calculation 2023-10-25 16:47:15 -07:00
ops-common.h mm/damon/ops-common: atomically test and clear young on ptes and pmds 2023-06-09 16:25:55 -07:00
paddr.c mm/damon/paddr: initialize nr_succeeded in __damon_pa_migrate_folio_list() 2024-07-04 18:05:50 -07:00
reclaim.c mm/damon/reclaim: remove unnecessary code for online tuning 2024-07-03 19:30:14 -07:00
sysfs-common.c mm/damon/sysfs: make kobj_type structures constant 2023-02-09 16:51:45 -08:00
sysfs-common.h mm/damon/sysfs-schemes: rename *_set_{schemes,scheme_filters,quota_score,schemes}() 2024-07-03 19:30:14 -07:00
sysfs-schemes.c mm/damon/sysfs-schemes: rename *_set_{schemes,scheme_filters,quota_score,schemes}() 2024-07-03 19:30:14 -07:00
sysfs-test.h mm/damon/tests/sysfs-kunit.h: fix memory leak in damon_sysfs_test_add_targets() 2024-10-22 15:51:21 +02:00
sysfs.c mm/damon/sysfs-schemes: rename *_set_{schemes,scheme_filters,quota_score,schemes}() 2024-07-03 19:30:14 -07:00
vaddr-test.h mm/damon: update email of SeongJae 2023-12-20 14:48:13 -08:00
vaddr.c mm/damon/vaddr: protect vma traversal in __damon_va_thre_regions() with rcu read lock 2024-10-04 16:38:56 +02:00