==================================================================
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+0x113/0x1c0 kernel/time/tick-sched.c:118
 tick_sched_do_timer kernel/time/tick-sched.c:232 [inline]
 tick_nohz_handler+0x7f/0x2d0 kernel/time/tick-sched.c:290
 __run_hrtimer kernel/time/hrtimer.c:1777 [inline]
 __hrtimer_run_queues+0x20f/0x5a0 kernel/time/hrtimer.c:1841
 hrtimer_interrupt+0x21a/0x460 kernel/time/hrtimer.c:1903
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1041 [inline]
 __sysvec_apic_timer_interrupt+0x5f/0x1d0 arch/x86/kernel/apic/apic.c:1058
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
 sysvec_apic_timer_interrupt+0x6f/0x80 arch/x86/kernel/apic/apic.c:1052
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
 pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:81
 arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
 default_idle+0x13/0x20 arch/x86/kernel/process.c:767
 default_idle_call+0x3c/0x60 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:190 [inline]
 do_idle+0xcb/0x240 kernel/sched/idle.c:330
 cpu_startup_entry+0x25/0x30 kernel/sched/idle.c:428
 rest_init+0xee/0xf0 init/main.c:757
 start_kernel+0x4dc/0x510 init/main.c:1111
 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
 x86_64_start_kernel+0xfc/0x100 arch/x86/kernel/head64.c:291
 common_startup_64+0x13e/0x147

read to 0xffffffff868099c0 of 8 bytes by task 16426 on cpu 1:
 mem_cgroup_flush_stats_ratelimited+0x29/0x70 mm/memcontrol.c:635
 count_shadow_nodes+0x6a/0x230 mm/workingset.c:678
 do_shrink_slab+0x63/0x680 mm/shrinker.c:384
 shrink_slab_memcg mm/shrinker.c:550 [inline]
 shrink_slab+0x448/0x760 mm/shrinker.c:628
 shrink_node_memcgs mm/vmscan.c:6056 [inline]
 shrink_node+0x6c3/0x2120 mm/vmscan.c:6095
 shrink_zones mm/vmscan.c:6339 [inline]
 do_try_to_free_pages+0x3f6/0xcd0 mm/vmscan.c:6401
 try_to_free_mem_cgroup_pages+0x1ab/0x410 mm/vmscan.c:6729
 try_charge_memcg+0x383/0xa10 mm/memcontrol.c:2356
 obj_cgroup_charge_pages+0xa6/0x150 mm/memcontrol.c:2799
 __memcg_kmem_charge_page+0x9f/0x170 mm/memcontrol.c:2843
 __alloc_frozen_pages_noprof+0x188/0x360 mm/page_alloc.c:5200
 alloc_pages_mpol+0xb3/0x260 mm/mempolicy.c:2416
 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline]
 alloc_pages_noprof+0x90/0x130 mm/mempolicy.c:2507
 vm_area_alloc_pages mm/vmalloc.c:3647 [inline]
 __vmalloc_area_node mm/vmalloc.c:3724 [inline]
 __vmalloc_node_range_noprof+0x7a5/0xed0 mm/vmalloc.c:3897
 __kvmalloc_node_noprof+0x483/0x670 mm/slub.c:7103
 ip_set_alloc+0x24/0x30 net/netfilter/ipset/ip_set_core.c:261
 hash_netiface_create+0x282/0x740 net/netfilter/ipset/ip_set_hash_gen.h:1568
 ip_set_create+0x3cc/0x970 net/netfilter/ipset/ip_set_core.c:1109
 nfnetlink_rcv_msg+0x4c6/0x590 net/netfilter/nfnetlink.c:302
 netlink_rcv_skb+0x123/0x220 net/netlink/af_netlink.c:2552
 nfnetlink_rcv+0x167/0x16c0 net/netfilter/nfnetlink.c:669
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x5c0/0x690 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x58b/0x6b0 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x145/0x180 net/socket.c:742
 ____sys_sendmsg+0x31e/0x4e0 net/socket.c:2630
 ___sys_sendmsg+0x17b/0x1d0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0xd4/0x160 net/socket.c:2719
 x64_sys_call+0x191e/0x3000 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x000000010000083b -> 0x000000010000083c

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 16426 Comm: syz.1.4628 Tainted: G        W           syzkaller #0 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
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syz.1.4628 (16426) used greatest stack depth: 6328 bytes left