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BUG: KCSAN: data-race in lruvec_lru_size / mem_cgroup_update_lru_size

write to 0xffff88821b672618 of 8 bytes by task 6367 on cpu 1:
 mem_cgroup_update_lru_size+0x73/0x110 mm/memcontrol.c:1293
 update_lru_size include/linux/mm_inline.h:44 [inline]
 move_pages_to_lru+0x533/0xb10 mm/vmscan.c:1853
 shrink_inactive_list+0x4a5/0x8d0 mm/vmscan.c:1956
 shrink_list mm/vmscan.c:2163 [inline]
 shrink_lruvec+0x4c9/0xd80 mm/vmscan.c:2482
 shrink_node_memcgs mm/vmscan.c:2671 [inline]
 shrink_node+0x30d/0x1000 mm/vmscan.c:2777
 shrink_zones mm/vmscan.c:2980 [inline]
 do_try_to_free_pages+0x230/0xb20 mm/vmscan.c:3033
 try_to_free_pages+0x1e6/0x470 mm/vmscan.c:3272
 __perform_reclaim mm/page_alloc.c:4182 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4203 [inline]
 __alloc_pages_slowpath.constprop.0+0x3b1/0xd90 mm/page_alloc.c:4609
 __alloc_pages_nodemask+0x2bd/0x300 mm/page_alloc.c:4822
 alloc_pages_current+0xca/0x170 mm/mempolicy.c:2295
 alloc_pages include/linux/gfp.h:540 [inline]
 __page_cache_alloc mm/filemap.c:959 [inline]
 __page_cache_alloc+0x17f/0x1a0 mm/filemap.c:944
 pagecache_get_page+0x251/0x700 mm/filemap.c:1645
 filemap_fault+0xd70/0x11d0 mm/filemap.c:2495
 ext4_filemap_fault+0x5b/0x74 fs/ext4/inode.c:6033
 __do_fault+0xa8/0x1e0 mm/memory.c:3450
 do_read_fault mm/memory.c:3846 [inline]
 do_fault mm/memory.c:3975 [inline]
 handle_pte_fault mm/memory.c:4215 [inline]
 __handle_mm_fault+0x2679/0x2ec0 mm/memory.c:4345
 handle_mm_fault+0x21c/0x540 mm/memory.c:4382
 do_user_addr_fault arch/x86/mm/fault.c:1464 [inline]
 do_page_fault+0x48a/0xa96 arch/x86/mm/fault.c:1535
 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203

read to 0xffff88821b672618 of 8 bytes by task 3952 on cpu 0:
 mem_cgroup_get_zone_lru_size include/linux/memcontrol.h:536 [inline]
 lruvec_lru_size+0xe6/0x1a0 mm/vmscan.c:326
 get_scan_count mm/vmscan.c:2348 [inline]
 shrink_lruvec+0x170/0xd80 mm/vmscan.c:2452
 shrink_node_memcgs mm/vmscan.c:2671 [inline]
 shrink_node+0x30d/0x1000 mm/vmscan.c:2777
 shrink_zones mm/vmscan.c:2980 [inline]
 do_try_to_free_pages+0x230/0xb20 mm/vmscan.c:3033
 try_to_free_pages+0x1e6/0x470 mm/vmscan.c:3272
 __perform_reclaim mm/page_alloc.c:4182 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4203 [inline]
 __alloc_pages_slowpath.constprop.0+0x3b1/0xd90 mm/page_alloc.c:4609
 __alloc_pages_nodemask+0x2bd/0x300 mm/page_alloc.c:4822
 alloc_pages_current+0xca/0x170 mm/mempolicy.c:2295
 alloc_pages include/linux/gfp.h:540 [inline]
 __page_cache_alloc mm/filemap.c:959 [inline]
 __page_cache_alloc+0x17f/0x1a0 mm/filemap.c:944
 pagecache_get_page+0x251/0x700 mm/filemap.c:1645
 filemap_fault+0xd70/0x11d0 mm/filemap.c:2495
 ext4_filemap_fault+0x5b/0x74 fs/ext4/inode.c:6033
 __do_fault+0xa8/0x1e0 mm/memory.c:3450
 do_read_fault mm/memory.c:3846 [inline]
 do_fault mm/memory.c:3975 [inline]
 handle_pte_fault mm/memory.c:4215 [inline]
 __handle_mm_fault+0x2679/0x2ec0 mm/memory.c:4345
 handle_mm_fault+0x21c/0x540 mm/memory.c:4382
 do_user_addr_fault arch/x86/mm/fault.c:1464 [inline]
 do_page_fault+0x48a/0xa96 arch/x86/mm/fault.c:1535
 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 3952 Comm: systemd-udevd Not tainted 5.7.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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