================================================================== 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 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: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 console_flush_all+0x56b/0x770 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0xab/0x330 kernel/printk/printk.c:3309 vprintk_emit+0x3f4/0x680 kernel/printk/printk.c:2432 vprintk_default+0x26/0x30 kernel/printk/printk.c:2447 vprintk+0x75/0x80 kernel/printk/printk_safe.c:86 _printk+0x7a/0xa0 kernel/printk/printk.c:2457 __netdev_printk+0x2d1/0x3e0 net/core/dev.c:11940 netdev_info+0x99/0xc0 net/core/dev.c:11987 __bond_release_one+0x345/0xa10 drivers/net/bonding/bond_main.c:2547 bond_uninit+0x1b3/0x320 drivers/net/bonding/bond_main.c:6070 unregister_netdevice_many_notify+0xc9d/0x11b0 net/core/dev.c:11542 unregister_netdevice_many+0x19/0x20 net/core/dev.c:11584 cleanup_net+0x411/0x810 net/core/net_namespace.c:627 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read to 0xffffffff866089c0 of 8 bytes by task 4130 on cpu 1: mem_cgroup_flush_stats_ratelimited+0x29/0x70 mm/memcontrol.c:640 count_shadow_nodes+0x6b/0x230 mm/workingset.c:683 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:5931 [inline] shrink_node+0x63f/0x1d80 mm/vmscan.c:5970 shrink_zones mm/vmscan.c:6215 [inline] do_try_to_free_pages+0x3c6/0xc50 mm/vmscan.c:6277 try_to_free_mem_cgroup_pages+0x1e3/0x490 mm/vmscan.c:6609 try_charge_memcg+0x2bc/0x7f0 mm/memcontrol.c:2238 try_charge mm/memcontrol-v1.h:19 [inline] charge_memcg+0x50/0xc0 mm/memcontrol.c:4497 mem_cgroup_swapin_charge_folio+0xd0/0x150 mm/memcontrol.c:4582 __read_swap_cache_async+0x236/0x480 mm/swap_state.c:518 swap_cluster_readahead+0x279/0x3f0 mm/swap_state.c:684 swapin_readahead+0xe4/0x6f0 mm/swap_state.c:882 do_swap_page+0x31b/0x2550 mm/memory.c:4341 handle_pte_fault mm/memory.c:5804 [inline] __handle_mm_fault mm/memory.c:5944 [inline] handle_mm_fault+0x8e4/0x2ac0 mm/memory.c:6112 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x3b9/0x650 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 value changed: 0x00000000ffffc24f -> 0x00000000ffffc250 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 4130 Comm: syz-executor Not tainted 6.12.0-syzkaller-09435-g2c22dc1ee3a1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================