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BUG: KCSAN: data-race in get_scan_count / mem_cgroup_update_lru_size

write to 0xffff88812bd139d0 of 8 bytes by task 2470 on cpu 1:
 mem_cgroup_update_lru_size+0x75/0xf0 mm/memcontrol.c:1264
 update_lru_size include/linux/mm_inline.h:44 [inline]
 update_lru_sizes mm/vmscan.c:1628 [inline]
 isolate_lru_pages+0x73a/0x9c0 mm/vmscan.c:1735
 shrink_inactive_list+0x159/0x610 mm/vmscan.c:1949
 shrink_list mm/vmscan.c:2173 [inline]
 shrink_lruvec+0x38a/0x620 mm/vmscan.c:2467
 shrink_node_memcgs+0x1be/0x360 mm/vmscan.c:2656
 shrink_node+0x94e/0x1140 mm/vmscan.c:2770
 kswapd_shrink_node mm/vmscan.c:3517 [inline]
 balance_pgdat+0x675/0xbb0 mm/vmscan.c:3675
 kswapd+0x1ef/0x370 mm/vmscan.c:3932
 kthread+0x20d/0x230 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293

read to 0xffff88812bd139d0 of 8 bytes by task 7671 on cpu 0:
 mem_cgroup_get_zone_lru_size include/linux/memcontrol.h:523 [inline]
 lruvec_lru_size mm/vmscan.c:332 [inline]
 get_scan_count+0x2b3/0x770 mm/vmscan.c:2333
 shrink_lruvec+0x5a/0x620 mm/vmscan.c:2437
 shrink_node_memcgs+0x1be/0x360 mm/vmscan.c:2656
 shrink_node+0x94e/0x1140 mm/vmscan.c:2770
 shrink_zones+0x2af/0x490 mm/vmscan.c:2973
 do_try_to_free_pages+0x1b4/0x6c0 mm/vmscan.c:3026
 try_to_free_pages+0x38d/0x8d0 mm/vmscan.c:3265
 __perform_reclaim mm/page_alloc.c:4223 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4244 [inline]
 __alloc_pages_slowpath+0x50a/0x970 mm/page_alloc.c:4650
 __alloc_pages_nodemask+0x235/0x390 mm/page_alloc.c:4863
 alloc_pages_current+0x21d/0x310 mm/mempolicy.c:2292
 alloc_pages include/linux/gfp.h:545 [inline]
 __vmalloc_area_node mm/vmalloc.c:2475 [inline]
 __vmalloc_node_range+0x2bf/0x530 mm/vmalloc.c:2541
 __vmalloc_node mm/vmalloc.c:2584 [inline]
 vmalloc+0x59/0x70 mm/vmalloc.c:2617
 do_replace_finish+0x4e/0x1160 net/bridge/netfilter/ebtables.c:981
 do_replace+0x20d/0x260 net/bridge/netfilter/ebtables.c:1110
 do_ebt_set_ctl+0xbe/0x140 net/bridge/netfilter/ebtables.c:1465
 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
 nf_setsockopt+0x18f/0x1b0 net/netfilter/nf_sockopt.c:115
 ip_setsockopt+0xc9/0xe0 net/ipv4/ip_sockglue.c:1319
 tcp_setsockopt+0x79/0x90 net/ipv4/tcp.c:3334
 sock_common_setsockopt+0x53/0x60 net/core/sock.c:3262
 __sys_setsockopt+0x27a/0x390 net/socket.c:2127
 __do_sys_setsockopt net/socket.c:2143 [inline]
 __se_sys_setsockopt net/socket.c:2140 [inline]
 __x64_sys_setsockopt+0x62/0x70 net/socket.c:2140
 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 7671 Comm: syz-executor.3 Not tainted 5.8.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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