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BUG: KCSAN: data-race in list_lru_add / list_lru_count_one

write to 0xffff8880b51232b0 of 8 bytes by task 14481 on cpu 1:
 list_lru_add+0x20e/0x450 mm/list_lru.c:137
 workingset_update_node mm/workingset.c:419 [inline]
 workingset_update_node+0x115/0x130 mm/workingset.c:405
 xas_update lib/xarray.c:349 [inline]
 update_node lib/xarray.c:750 [inline]
 xas_store+0x20f/0xd00 lib/xarray.c:837
 page_cache_delete mm/filemap.c:137 [inline]
 __delete_from_page_cache+0x174/0x4a0 mm/filemap.c:238
 __remove_mapping+0x2db/0x530 mm/vmscan.c:939
 shrink_page_list+0xf57/0x2710 mm/vmscan.c:1439
 shrink_inactive_list+0x3d1/0x920 mm/vmscan.c:1959
 shrink_list mm/vmscan.c:2178 [inline]
 shrink_lruvec+0x4c8/0xd20 mm/vmscan.c:2496
 shrink_node_memcgs mm/vmscan.c:2685 [inline]
 shrink_node+0x2fe/0xfe0 mm/vmscan.c:2791
 shrink_zones mm/vmscan.c:2996 [inline]
 do_try_to_free_pages+0x245/0xb60 mm/vmscan.c:3049
 try_to_free_mem_cgroup_pages+0x205/0x4d0 mm/vmscan.c:3371
 reclaim_high.constprop.0+0xf7/0x140 mm/memcontrol.c:2232
 mem_cgroup_handle_over_high+0x96/0x180 mm/memcontrol.c:2313
 tracehook_notify_resume include/linux/tracehook.h:197 [inline]
 exit_to_usermode_loop+0x20c/0x2c0 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:278 [inline]
 do_syscall_64+0x384/0x3a0 arch/x86/entry/common.c:304
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffff8880b51232b0 of 8 bytes by task 14499 on cpu 0:
 list_lru_count_one+0xbd/0x130 mm/list_lru.c:193
 list_lru_shrink_count include/linux/list_lru.h:123 [inline]
 count_shadow_nodes+0x51/0x4a0 mm/workingset.c:437
 do_shrink_slab+0xb7/0x5a0 mm/vmscan.c:444
 shrink_slab_memcg mm/vmscan.c:596 [inline]
 shrink_slab+0x469/0x540 mm/vmscan.c:675
 shrink_node_memcgs mm/vmscan.c:2687 [inline]
 shrink_node+0x34a/0xfe0 mm/vmscan.c:2791
 shrink_zones mm/vmscan.c:2996 [inline]
 do_try_to_free_pages+0x245/0xb60 mm/vmscan.c:3049
 try_to_free_mem_cgroup_pages+0x205/0x4d0 mm/vmscan.c:3371
 reclaim_high.constprop.0+0xf7/0x140 mm/memcontrol.c:2232
 mem_cgroup_handle_over_high+0x96/0x180 mm/memcontrol.c:2313
 tracehook_notify_resume include/linux/tracehook.h:197 [inline]
 exit_to_usermode_loop+0x20c/0x2c0 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath+0x231/0x250 arch/x86/entry/common.c:278
 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:344

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 14499 Comm: syz-executor.2 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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