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BUG: KCSAN: data-race in mem_cgroup_flush_stats / tick_do_update_jiffies64

read-write to 0xffffffff85a079c0 of 8 bytes by interrupt on cpu 1:
 tick_do_update_jiffies64+0x112/0x1b0 kernel/time/tick-sched.c:118
 tick_sched_do_timer kernel/time/tick-sched.c:210 [inline]
 tick_sched_timer+0x7b/0x2c0 kernel/time/tick-sched.c:1485
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x217/0x700 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x20d/0x7b0 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline]
 __sysvec_apic_timer_interrupt+0x73/0x210 arch/x86/kernel/apic/apic.c:1115
 sysvec_apic_timer_interrupt+0x68/0x80 arch/x86/kernel/apic/apic.c:1109
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
 kcsan_setup_watchpoint+0x3fe/0x410 kernel/kcsan/core.c:705
 bio_split_rw+0x14b/0x5c0 block/blk-merge.c:286
 __bio_split_to_limits+0x3f8/0x520 block/blk-merge.c:370
 blk_mq_submit_bio+0x199/0xcd0 block/blk-mq.c:2937
 __submit_bio+0x11c/0x350 block/blk-core.c:598
 __submit_bio_noacct_mq block/blk-core.c:677 [inline]
 submit_bio_noacct_nocheck+0x449/0x5e0 block/blk-core.c:706
 submit_bio_noacct+0x75c/0x900 block/blk-core.c:805
 submit_bio+0xb7/0xc0 block/blk-core.c:838
 ext4_mpage_readpages+0xff5/0x1050 fs/ext4/readpage.c:398
 ext4_readahead+0x97/0xa0 fs/ext4/inode.c:3104
 read_pages+0xa6/0x560 mm/readahead.c:160
 page_cache_ra_unbounded+0x223/0x2e0
 do_page_cache_ra mm/readahead.c:299 [inline]
 page_cache_ra_order+0xd5/0xf0 mm/readahead.c:559
 do_sync_mmap_readahead+0x36a/0x3b0 mm/filemap.c:3205
 filemap_fault+0x3d6/0xb70 mm/filemap.c:3297
 __do_fault mm/memory.c:4191 [inline]
 do_read_fault mm/memory.c:4540 [inline]
 do_fault mm/memory.c:4663 [inline]
 do_pte_missing mm/memory.c:3664 [inline]
 handle_pte_fault mm/memory.c:4932 [inline]
 __handle_mm_fault mm/memory.c:5072 [inline]
 handle_mm_fault+0x1224/0x2c10 mm/memory.c:5226
 do_user_addr_fault arch/x86/mm/fault.c:1392 [inline]
 handle_page_fault arch/x86/mm/fault.c:1486 [inline]
 exc_page_fault+0x24d/0x650 arch/x86/mm/fault.c:1542
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570

read to 0xffffffff85a079c0 of 8 bytes by task 72 on cpu 0:
 do_flush_stats mm/memcontrol.c:653 [inline]
 mem_cgroup_flush_stats+0x5d/0xd0 mm/memcontrol.c:664
 prepare_scan_count mm/vmscan.c:2926 [inline]
 shrink_node+0x304/0x15c0 mm/vmscan.c:6522
 kswapd_shrink_node mm/vmscan.c:7315 [inline]
 balance_pgdat+0x972/0xf80 mm/vmscan.c:7505
 kswapd+0x423/0x6a0 mm/vmscan.c:7765
 kthread+0x1d7/0x210 kernel/kthread.c:389
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

value changed: 0x0000000100049e63 -> 0x0000000100049e64

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 72 Comm: kswapd0 Not tainted 6.4.0-syzkaller-12069-gc17414a273b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
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