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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 0:
 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
 format_decode+0x105/0x890 lib/vsprintf.c:2551
 vsnprintf+0xc6/0xe20 lib/vsprintf.c:2769
 add_uevent_var+0xf0/0x1c0 lib/kobject_uevent.c:665
 kobject_uevent_env+0x27b/0x5b0 lib/kobject_uevent.c:542
 kobject_uevent+0x1c/0x20 lib/kobject_uevent.c:642
 netdev_queue_add_kobject net/core/net-sysfs.c:1705 [inline]
 netdev_queue_update_kobjects+0x1a2/0x350 net/core/net-sysfs.c:1746
 register_queue_kobjects net/core/net-sysfs.c:1807 [inline]
 netdev_register_kobject+0x1b9/0x230 net/core/net-sysfs.c:2047
 register_netdevice+0x903/0xcd0 net/core/dev.c:10051
 __ip_tunnel_create+0x1c5/0x260 net/ipv4/ip_tunnel.c:267
 ip_tunnel_init_net+0x183/0x3c0 net/ipv4/ip_tunnel.c:1091
 ipgre_tap_init_net+0x35/0x40 net/ipv4/ip_gre.c:1694
 ops_init+0x1fc/0x2c0 net/core/net_namespace.c:136
 setup_net+0x2cd/0x710 net/core/net_namespace.c:339
 copy_net_ns+0x384/0x520 net/core/net_namespace.c:491
 create_new_namespaces+0x228/0x430 kernel/nsproxy.c:110
 copy_namespaces+0x14d/0x1b0 kernel/nsproxy.c:179
 copy_process+0x102f/0x2180 kernel/fork.c:2507
 kernel_clone+0x169/0x560 kernel/fork.c:2912
 __do_sys_clone3 kernel/fork.c:3213 [inline]
 __se_sys_clone3+0x1b5/0x1f0 kernel/fork.c:3197
 __x64_sys_clone3+0x31/0x40 kernel/fork.c:3197
 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

read to 0xffffffff85a079c0 of 8 bytes by task 5034 on cpu 1:
 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
 shrink_zones mm/vmscan.c:6763 [inline]
 do_try_to_free_pages+0x43d/0xce0 mm/vmscan.c:6825
 try_to_free_mem_cgroup_pages+0x1e2/0x480 mm/vmscan.c:7140
 try_charge_memcg+0x280/0xd20 mm/memcontrol.c:2695
 obj_cgroup_charge_pages+0xab/0x130 mm/memcontrol.c:3109
 __memcg_kmem_charge_page+0x1d5/0x2c0 mm/memcontrol.c:3135
 __alloc_pages+0x1bb/0x340 mm/page_alloc.c:4494
 alloc_pages+0x3e1/0x4e0
 vm_area_alloc_pages mm/vmalloc.c:3059 [inline]
 __vmalloc_area_node mm/vmalloc.c:3135 [inline]
 __vmalloc_node_range+0x6d2/0xea0 mm/vmalloc.c:3316
 kvmalloc_node+0x121/0x160 mm/util.c:629
 kvmalloc include/linux/slab.h:720 [inline]
 xt_alloc_table_info+0x3d/0x80 net/netfilter/x_tables.c:1192
 do_replace net/ipv4/netfilter/arp_tables.c:970 [inline]
 do_arpt_set_ctl+0x615/0x1390 net/ipv4/netfilter/arp_tables.c:1421
 nf_setsockopt+0x18d/0x1b0 net/netfilter/nf_sockopt.c:101
 ip_setsockopt+0xe6/0x100 net/ipv4/ip_sockglue.c:1467
 tcp_setsockopt+0x90/0xa0 net/ipv4/tcp.c:3697
 sock_common_setsockopt+0x61/0x70 net/core/sock.c:3697
 __sys_setsockopt+0x1c9/0x230 net/socket.c:2263
 __do_sys_setsockopt net/socket.c:2274 [inline]
 __se_sys_setsockopt net/socket.c:2271 [inline]
 __x64_sys_setsockopt+0x66/0x80 net/socket.c:2271
 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: 0x00000000ffffb465 -> 0x00000000ffffb466

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 5034 Comm: syz-executor.4 Not tainted 6.5.0-rc5-syzkaller-00296-gf8de32cc060b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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