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BUG: KCSAN: data-race in mem_cgroup_flush_stats / tick_do_update_jiffies64

read-write to 0xffffffff85c079c0 of 8 bytes by interrupt on cpu 0:
 tick_do_update_jiffies64+0x112/0x1b0 kernel/time/tick-sched.c:118
 tick_sched_do_timer kernel/time/tick-sched.c:199 [inline]
 tick_sched_timer+0x7e/0x2d0 kernel/time/tick-sched.c:1473
 __run_hrtimer+0x132/0x420 kernel/time/hrtimer.c:1685
 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline]
 hrtimer_interrupt+0x36e/0xa70 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0xa3/0x250 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x88/0xb0 arch/x86/kernel/apic/apic.c:1107
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
 kcsan_setup_watchpoint+0x3e9/0x3f0 kernel/kcsan/core.c:694
 xas_load+0x146/0x3a0 lib/xarray.c:235
 mapping_get_entry mm/filemap.c:1853 [inline]
 __filemap_get_folio+0xa9/0x6d0 mm/filemap.c:1915
 shmem_get_folio_gfp+0x21e/0x1330 mm/shmem.c:1853
 shmem_get_folio mm/shmem.c:2044 [inline]
 shmem_write_begin+0xa2/0x1e0 mm/shmem.c:2531
 generic_perform_write+0x1d4/0x3f0 mm/filemap.c:3753
 __generic_file_write_iter+0xe3/0x280 mm/filemap.c:3881
 generic_file_write_iter+0x79/0x1c0 mm/filemap.c:3913
 call_write_iter include/linux/fs.h:2199 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x468/0x760 fs/read_write.c:584
 ksys_write+0xe8/0x1a0 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x3e/0x50 fs/read_write.c:646
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffffffff85c079c0 of 8 bytes by task 10998 on cpu 1:
 __mem_cgroup_flush_stats mm/memcontrol.c:634 [inline]
 mem_cgroup_flush_stats+0x7f/0x110 mm/memcontrol.c:643
 prepare_scan_count+0xad/0x7f0 mm/vmscan.c:2799
 shrink_node+0x1cc/0x930 mm/vmscan.c:6139
 shrink_zones+0x2c1/0x5d0 mm/vmscan.c:6379
 do_try_to_free_pages+0x195/0x760 mm/vmscan.c:6441
 try_to_free_mem_cgroup_pages+0x1d1/0x420 mm/vmscan.c:6756
 reclaim_high+0xcd/0x110 mm/memcontrol.c:2389
 mem_cgroup_handle_over_high+0x75/0x120 mm/memcontrol.c:2574
 try_charge_memcg+0x886/0x9c0 mm/memcontrol.c:2812
 try_charge mm/memcontrol.c:2823 [inline]
 charge_memcg+0x54/0x250 mm/memcontrol.c:6879
 __mem_cgroup_charge+0x25/0xa0 mm/memcontrol.c:6900
 mem_cgroup_charge include/linux/memcontrol.h:667 [inline]
 wp_page_copy+0x209/0x1460 mm/memory.c:3141
 do_wp_page+0x2dd/0x780
 handle_pte_fault mm/memory.c:4973 [inline]
 __handle_mm_fault mm/memory.c:5097 [inline]
 handle_mm_fault+0x5ef/0xa80 mm/memory.c:5218
 do_user_addr_fault+0x4a1/0x980 arch/x86/mm/fault.c:1428
 handle_page_fault arch/x86/mm/fault.c:1519 [inline]
 exc_page_fault+0x60/0x160 arch/x86/mm/fault.c:1575
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
 __put_user_nocheck_4+0x3/0x11
 schedule_tail+0x46/0x60 kernel/sched/core.c:5148
 ret_from_fork+0x8/0x30 arch/x86/entry/entry_64.S:291

value changed: 0x000000010000ad95 -> 0x000000010000ad96

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 10998 Comm: syz-executor.0 Not tainted 6.1.0-rc7-syzkaller-00012-gca57f02295f1-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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