================================================================== 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 should_run_aging mm/vmscan.c:4675 [inline] get_nr_to_scan mm/vmscan.c:4731 [inline] try_to_shrink_lruvec+0x499/0x750 mm/vmscan.c:4785 lru_gen_shrink_lruvec mm/vmscan.c:4938 [inline] shrink_lruvec+0x22d/0x1840 mm/vmscan.c:5693 shrink_node_memcgs mm/vmscan.c:5929 [inline] shrink_node+0x603/0x1d80 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+0x381/0x3f0 mm/swap_state.c:703 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 read to 0xffffffff866089c0 of 8 bytes by task 8045 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: 0x000000010000784b -> 0x000000010000784c Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 8045 Comm: syz-executor Not tainted 6.13.0-rc1-syzkaller-00182-gb8f52214c61a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================