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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:1063 [inline]
 __sysvec_apic_timer_interrupt+0x52/0x190 arch/x86/kernel/apic/apic.c:1080
 sysvec_apic_timer_interrupt+0x68/0x80 arch/x86/kernel/apic/apic.c:1074
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
 check_access kernel/kcsan/core.c:787 [inline]
 __tsan_unaligned_volatile_read4+0x129/0x190 kernel/kcsan/core.c:1085
 rcu_preempt_read_enter kernel/rcu/tree_plugin.h:379 [inline]
 __rcu_read_lock+0x24/0x50 kernel/rcu/tree_plugin.h:402
 rcu_read_lock include/linux/rcupdate.h:747 [inline]
 inet_twsk_purge+0x447/0x490 net/ipv4/inet_timewait_sock.c:292
 dccp_v4_exit_batch+0x1a/0x20 net/dccp/ipv4.c:1042
 ops_exit_list net/core/net_namespace.c:175 [inline]
 cleanup_net+0x419/0x770 net/core/net_namespace.c:614
 process_one_work kernel/workqueue.c:2630 [inline]
 process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2703
 worker_thread+0x525/0x730 kernel/workqueue.c:2784
 kthread+0x1d7/0x210 kernel/kthread.c:388
 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304

read to 0xffffffff85a079c0 of 8 bytes by task 17708 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:6538
 shrink_zones mm/vmscan.c:6779 [inline]
 do_try_to_free_pages+0x43d/0xce0 mm/vmscan.c:6841
 try_to_free_mem_cgroup_pages+0x1e2/0x480 mm/vmscan.c:7156
 try_charge_memcg+0x280/0xd30 mm/memcontrol.c:2691
 try_charge mm/memcontrol.c:2833 [inline]
 charge_memcg+0x51/0x200 mm/memcontrol.c:6996
 __mem_cgroup_charge+0x29/0xa0 mm/memcontrol.c:7017
 mem_cgroup_charge include/linux/memcontrol.h:686 [inline]
 do_anonymous_page mm/memory.c:4114 [inline]
 do_pte_missing mm/memory.c:3667 [inline]
 handle_pte_fault mm/memory.c:4978 [inline]
 __handle_mm_fault mm/memory.c:5119 [inline]
 handle_mm_fault+0xed7/0x2cc0 mm/memory.c:5284
 faultin_page mm/gup.c:956 [inline]
 __get_user_pages+0x402/0xe40 mm/gup.c:1239
 populate_vma_page_range mm/gup.c:1666 [inline]
 __mm_populate+0x216/0x330 mm/gup.c:1775
 mm_populate include/linux/mm.h:3305 [inline]
 __do_sys_mlockall mm/mlock.c:729 [inline]
 __se_sys_mlockall+0x28d/0x320 mm/mlock.c:705
 __x64_sys_mlockall+0x1f/0x30 mm/mlock.c:705
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x00000001000027fb -> 0x00000001000027fc

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 17708 Comm: syz-executor.4 Not tainted 6.6.0-rc4-syzkaller-00284-gb9ddbb0cde2a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
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