KCSAN: data-race in drain_all_stock / drain

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in drain_all_stock / drain_stock (7) cgroups mm	6	4	1093d	1174d	0/29	auto-obsoleted due to no activity on 2023/05/23 02:38
upstream	KCSAN: data-race in drain_all_stock / drain_stock (5) mm cgroups	6	1	1339d	1339d	0/29	auto-closed as invalid on 2022/09/19 00:38
upstream	KCSAN: data-race in drain_all_stock / drain_stock (3) mm cgroups	6	1	1478d	1478d	0/29	auto-closed as invalid on 2022/05/03 08:41
upstream	KCSAN: data-race in drain_all_stock / drain_stock (6) cgroups mm	6	4	1232d	1290d	0/29	auto-obsoleted due to no activity on 2023/01/16 19:50
upstream	KCSAN: data-race in drain_all_stock / drain_stock (8) cgroups mm	6	12	869d	857d	0/29	auto-obsoleted due to no activity on 2024/01/01 19:14
upstream	KCSAN: data-race in drain_all_stock / drain_stock (2) cgroups mm	6	3	1634d	1638d	0/29	auto-closed as invalid on 2021/11/28 07:11
upstream	KCSAN: data-race in drain_all_stock / drain_stock (4) cgroups mm	6	2	1387d	1417d	0/29	auto-closed as invalid on 2022/08/02 11:05
upstream	KCSAN: data-race in drain_all_stock / drain_stock (9) mm cgroups	6	5	747d	817d	0/29	auto-obsoleted due to no activity on 2024/05/03 07:59

================================================================== BUG: KCSAN: data-race in drain_all_stock / drain_stock write to 0xffff88812c1293a8 of 8 bytes by task 25819 on cpu 1: drain_stock+0x92/0x100 mm/memcontrol.c:2096 drain_local_stock+0x68/0xa0 mm/memcontrol.c:2111 process_one_work+0x3e1/0x9a0 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x20d/0x230 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 read to 0xffff88812c1293a8 of 8 bytes by task 9244 on cpu 0: drain_all_stock+0xe9/0x280 mm/memcontrol.c:2165 mem_cgroup_css_offline+0x79/0x200 mm/memcontrol.c:5151 offline_css kernel/cgroup/cgroup.c:5101 [inline] css_killed_work_fn+0x8f/0x1f0 kernel/cgroup/cgroup.c:5390 process_one_work+0x3e1/0x9a0 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x20d/0x230 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 9244 Comm: kworker/0:12 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: cgroup_destroy css_killed_work_fn ==================================================================