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BUG: KCSAN: data-race in mem_cgroup_flush_stats_ratelimited / tick_do_update_jiffies64

read-write to 0xffffffff868099c0 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:232 [inline]
 tick_nohz_handler+0x7c/0x2d0 kernel/time/tick-sched.c:290
 __run_hrtimer kernel/time/hrtimer.c:1761 [inline]
 __hrtimer_run_queues+0x221/0x5f0 kernel/time/hrtimer.c:1825
 hrtimer_interrupt+0x235/0x4a0 kernel/time/hrtimer.c:1887
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x5c/0x1d0 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x6e/0x80 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
 kcsan_setup_watchpoint+0x404/0x410 kernel/kcsan/core.c:705
 __unix_dgram_recvmsg+0x59d/0x890 net/unix/af_unix.c:2473
 unix_dgram_recvmsg+0x81/0x90 net/unix/af_unix.c:2522
 sock_recvmsg_nosec+0x107/0x140 net/socket.c:1017
 ____sys_recvmsg+0x27b/0x290 net/socket.c:2784
 ___sys_recvmsg net/socket.c:2828 [inline]
 do_recvmmsg+0x2a1/0x6e0 net/socket.c:2923
 __sys_recvmmsg net/socket.c:2997 [inline]
 __do_sys_recvmmsg net/socket.c:3020 [inline]
 __se_sys_recvmmsg net/socket.c:3013 [inline]
 __x64_sys_recvmmsg+0xe4/0x170 net/socket.c:3013
 x64_sys_call+0x1b90/0x2e10 arch/x86/include/generated/asm/syscalls_64.h:300
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffffffff868099c0 of 8 bytes by task 6005 on cpu 1:
 mem_cgroup_flush_stats_ratelimited+0x29/0x70 mm/memcontrol.c:643
 count_shadow_nodes+0x6b/0x230 mm/workingset.c:680
 do_shrink_slab+0x5e/0x6a0 mm/shrinker.c:384
 shrink_slab_memcg mm/shrinker.c:550 [inline]
 shrink_slab+0x4f2/0x860 mm/shrinker.c:628
 shrink_node_memcgs mm/vmscan.c:5991 [inline]
 shrink_node+0x647/0x1da0 mm/vmscan.c:6030
 shrink_zones mm/vmscan.c:6274 [inline]
 do_try_to_free_pages+0x3c6/0xc10 mm/vmscan.c:6336
 try_to_free_mem_cgroup_pages+0x1e6/0x4a0 mm/vmscan.c:6664
 try_charge_memcg+0x364/0x820 mm/memcontrol.c:2305
 try_charge mm/memcontrol.c:2447 [inline]
 charge_memcg+0x50/0xc0 mm/memcontrol.c:4593
 mem_cgroup_swapin_charge_folio+0xd0/0x150 mm/memcontrol.c:4679
 __read_swap_cache_async+0x207/0x3b0 mm/swap_state.c:444
 swap_cluster_readahead+0x27f/0x400 mm/swap_state.c:616
 swapin_readahead+0xe6/0x6f0 mm/swap_state.c:814
 do_swap_page+0x31c/0x2510 mm/memory.c:4532
 handle_pte_fault mm/memory.c:6000 [inline]
 __handle_mm_fault mm/memory.c:6140 [inline]
 handle_mm_fault+0x8ed/0x2e80 mm/memory.c:6309
 do_user_addr_fault arch/x86/mm/fault.c:1388 [inline]
 handle_page_fault arch/x86/mm/fault.c:1480 [inline]
 exc_page_fault+0x296/0x6a0 arch/x86/mm/fault.c:1538
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
 __get_user_8+0x14/0x30 arch/x86/lib/getuser.S:100
 fetch_robust_entry kernel/futex/core.c:763 [inline]
 exit_robust_list+0x31/0x280 kernel/futex/core.c:791
 futex_cleanup kernel/futex/core.c:1023 [inline]
 futex_exit_release+0xe3/0x130 kernel/futex/core.c:1124
 exit_mm_release+0x1a/0x30 kernel/fork.c:1698
 exit_mm+0x38/0x190 kernel/exit.c:562
 do_exit+0x559/0x17e0 kernel/exit.c:940
 do_group_exit+0x102/0x150 kernel/exit.c:1102
 get_signal+0xf35/0x1080 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x4b0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x62/0x120 kernel/entry/common.c:218
 do_syscall_64+0xd6/0x1c0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x00000000ffffabc3 -> 0x00000000ffffabc4

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 6005 Comm: syz.3.787 Not tainted 6.15.0-rc1-syzkaller-00095-g2eb959eeecc6 #0 PREEMPT(voluntary) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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