================================================================== BUG: KCSAN: data-race in mem_cgroup_flush_stats_ratelimited / tick_do_update_jiffies64 read-write to 0xffffffff866089c0 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:232 [inline] tick_nohz_handler+0x7c/0x2d0 kernel/time/tick-sched.c:290 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x20d/0x5e0 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x235/0x4a0 kernel/time/hrtimer.c:1865 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 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline] acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:111 acpi_idle_do_entry+0x1d/0x30 drivers/acpi/processor_idle.c:568 acpi_idle_enter+0x96/0xb0 drivers/acpi/processor_idle.c:702 cpuidle_enter_state+0xc5/0x260 drivers/cpuidle/cpuidle.c:264 cpuidle_enter+0x40/0x70 drivers/cpuidle/cpuidle.c:385 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:230 [inline] do_idle+0x192/0x230 kernel/sched/idle.c:325 cpu_startup_entry+0x25/0x30 kernel/sched/idle.c:423 start_secondary+0x96/0xa0 arch/x86/kernel/smpboot.c:314 common_startup_64+0x12c/0x137 read to 0xffffffff866089c0 of 8 bytes by task 6656 on cpu 0: mem_cgroup_flush_stats_ratelimited+0x29/0x100 mm/memcontrol.c:623 count_shadow_nodes+0x6b/0x230 mm/workingset.c:693 do_shrink_slab+0x5a/0x680 mm/shrinker.c:384 shrink_slab_memcg mm/shrinker.c:550 [inline] shrink_slab+0x4ea/0x850 mm/shrinker.c:628 shrink_node_memcgs mm/vmscan.c:5919 [inline] shrink_node+0x62f/0x1d60 mm/vmscan.c:5957 shrink_zones mm/vmscan.c:6201 [inline] do_try_to_free_pages+0x3c6/0xc50 mm/vmscan.c:6263 try_to_free_mem_cgroup_pages+0x1e3/0x490 mm/vmscan.c:6595 try_charge_memcg+0x2bc/0x810 mm/memcontrol.c:2211 obj_cgroup_charge_pages+0xbd/0x1a0 mm/memcontrol.c:2627 __memcg_kmem_charge_page+0x9d/0x170 mm/memcontrol.c:2654 __alloc_pages_noprof+0x1bc/0x340 mm/page_alloc.c:4768 alloc_pages_mpol_noprof+0xb1/0x1e0 mm/mempolicy.c:2265 alloc_pages_noprof+0xe1/0x100 mm/mempolicy.c:2345 vm_area_alloc_pages mm/vmalloc.c:3568 [inline] __vmalloc_area_node mm/vmalloc.c:3646 [inline] __vmalloc_node_range_noprof+0x72e/0xec0 mm/vmalloc.c:3828 __kvmalloc_node_noprof+0x121/0x170 mm/util.c:680 ip_set_alloc+0x1f/0x30 net/netfilter/ipset/ip_set_core.c:256 hash_netiface_create+0x273/0x730 net/netfilter/ipset/ip_set_hash_gen.h:1568 ip_set_create+0x359/0x8a0 net/netfilter/ipset/ip_set_core.c:1104 nfnetlink_rcv_msg+0x4a9/0x570 net/netfilter/nfnetlink.c:302 netlink_rcv_skb+0x12c/0x230 net/netlink/af_netlink.c:2541 nfnetlink_rcv+0x16c/0x15d0 net/netfilter/nfnetlink.c:667 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x599/0x670 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x5cc/0x6e0 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x140/0x180 net/socket.c:726 ____sys_sendmsg+0x312/0x410 net/socket.c:2583 ___sys_sendmsg net/socket.c:2637 [inline] __sys_sendmsg+0x19d/0x230 net/socket.c:2669 __do_sys_sendmsg net/socket.c:2674 [inline] __se_sys_sendmsg net/socket.c:2672 [inline] __x64_sys_sendmsg+0x46/0x50 net/socket.c:2672 x64_sys_call+0x2734/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00000000ffffaa13 -> 0x00000000ffffaa14 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 6656 Comm: syz.2.851 Not tainted 6.12.0-syzkaller-07749-g28eb75e178d3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 ==================================================================