TWxSoftware/twx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
master
twx-linux/mm/damon
History
Jinjie Ruan 2d6a1c8356 mm/damon/tests/sysfs-kunit.h: fix memory leak in damon_sysfs_test_add_targets() 
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: b8ee5575f763 ("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>
2024-10-17 00:28:08 -07:00
..
tests mm/damon/tests/sysfs-kunit.h: fix memory leak in damon_sysfs_test_add_targets() 2024-10-17 00:28:08 -07:00
core.c mm/damon/tests/core-kunit: skip damon_test_nr_accesses_to_accesses_bp() if aggr_interval is zero 2024-09-09 16:39:14 -07:00
dbgfs.c mm/damon: move kunit tests to tests/ subdirectory with _kunit suffix 2024-09-03 21:15:58 -07:00
Kconfig mm/damon/Kconfig: update DAMON doc URL 2024-09-26 14:01:44 -07:00
lru_sort.c Revert "mm/damon/lru_sort: adjust local variable to dynamic allocation" 2024-09-09 16:39:00 -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.c mm/damon: move kunit tests to tests/ subdirectory with _kunit suffix 2024-09-03 21:15:58 -07:00
vaddr.c ALong with the usual shower of singleton patches, notable patch series in 2024-09-21 07:29:05 -07:00