==================================================================
BUG: KCSAN: data-race in list_lru_count_one / list_lru_isolate_move

read to 0xffff888122a3b3b0 of 8 bytes by task 5555 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]
 super_cache_scan+0x131/0x2c0 fs/super.c:87
 do_shrink_slab+0x2b6/0x5a0 mm/vmscan.c:560
 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
 reclaim_high.constprop.0+0xf7/0x140 mm/memcontrol.c:2349
 mem_cgroup_handle_over_high+0x96/0x180 mm/memcontrol.c:2430
 tracehook_notify_resume include/linux/tracehook.h:197 [inline]
 exit_to_usermode_loop+0x20c/0x2c0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath+0x20f/0x220 arch/x86/entry/common.c:274
 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:344

write to 0xffff888122a3b3b0 of 8 bytes by task 7273 on cpu 0:
 list_lru_isolate_move+0x127/0x160 mm/list_lru.c:180
 d_lru_shrink_move+0x9e/0xc0 fs/dcache.c:456
 dentry_lru_isolate+0xb0/0x1a0 fs/dcache.c:1176
 __list_lru_walk_one+0x110/0x390 mm/list_lru.c:232
 list_lru_walk_one+0x84/0xb0 mm/list_lru.c:276
 list_lru_shrink_walk include/linux/list_lru.h:195 [inline]
 prune_dcache_sb+0x8a/0xc0 fs/dcache.c:1199
 super_cache_scan+0x1d1/0x2c0 fs/super.c:105
 do_shrink_slab+0x2b6/0x5a0 mm/vmscan.c:560
 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
 reclaim_high.constprop.0+0xf7/0x140 mm/memcontrol.c:2349

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 7273 Comm: syz-executor.4 Not tainted 5.4.0-rc3+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================