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BUG: KCSAN: data-race in list_lru_add / list_lru_count_one

write to 0xffff8880ab63d6f0 of 8 bytes by task 9917 on cpu 0:
 list_lru_add+0x20e/0x450 mm/list_lru.c:137
 workingset_update_node mm/workingset.c:382 [inline]
 workingset_update_node+0x115/0x130 mm/workingset.c:368
 xas_update lib/xarray.c:349 [inline]
 update_node lib/xarray.c:750 [inline]
 xas_store+0x211/0xd60 lib/xarray.c:837
 page_cache_delete mm/filemap.c:136 [inline]
 __delete_from_page_cache+0x174/0x4a0 mm/filemap.c:237
 __remove_mapping+0x2ba/0x630 mm/vmscan.c:977
 shrink_page_list+0xf43/0x26f0 mm/vmscan.c:1477
 shrink_inactive_list+0x3d1/0x920 mm/vmscan.c:1996
 shrink_list mm/vmscan.c:2287 [inline]
 shrink_node_memcg+0x55c/0xf80 mm/vmscan.c:2605
 shrink_node+0x164/0xb30 mm/vmscan.c:2810
 shrink_zones mm/vmscan.c:3027 [inline]
 do_try_to_free_pages+0x242/0x940 mm/vmscan.c:3085
 try_to_free_mem_cgroup_pages+0x1fd/0x4c0 mm/vmscan.c:3385
 memory_max_write+0x1ac/0x250 mm/memcontrol.c:6144
 cgroup_file_write+0x119/0x320 kernel/cgroup/cgroup.c:3754
 kernfs_fop_write+0x1f4/0x2e0 fs/kernfs/file.c:315

read to 0xffff8880ab63d6f0 of 8 bytes by task 9915 on cpu 1:
 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:400
 do_shrink_slab+0xb7/0x5a0 mm/vmscan.c:478
 shrink_slab_memcg mm/vmscan.c:630 [inline]
 shrink_slab+0x46e/0x540 mm/vmscan.c:709
 shrink_node+0x1ad/0xb30 mm/vmscan.c:2813
 shrink_zones mm/vmscan.c:3027 [inline]
 do_try_to_free_pages+0x242/0x940 mm/vmscan.c:3085
 try_to_free_mem_cgroup_pages+0x1fd/0x4c0 mm/vmscan.c:3385
 try_charge+0x4d1/0xbc0 mm/memcontrol.c:2563
 mem_cgroup_try_charge+0xd2/0x260 mm/memcontrol.c:6498
 __add_to_page_cache_locked+0x163/0x780 mm/filemap.c:865
 add_to_page_cache_lru+0xe2/0x2d0 mm/filemap.c:942
 pagecache_get_page+0x2ab/0x760 mm/filemap.c:1681
 grab_cache_page_write_begin+0x5d/0x90 mm/filemap.c:3254

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 9915 Comm: syz-executor.1 Not tainted 5.4.0-rc3+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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