================================================================== BUG: KCSAN: data-race in mem_cgroup_flush_stats_delayed / tick_do_update_jiffies64 read-write to 0xffffffff85c079c0 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:199 [inline] tick_sched_timer+0x7e/0x2d0 kernel/time/tick-sched.c:1473 __run_hrtimer+0x132/0x420 kernel/time/hrtimer.c:1685 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline] hrtimer_interrupt+0x36e/0xa70 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0xa3/0x250 arch/x86/kernel/apic/apic.c:1112 sysvec_apic_timer_interrupt+0x88/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline] acpi_idle_do_entry drivers/acpi/processor_idle.c:555 [inline] acpi_idle_enter+0x283/0x310 drivers/acpi/processor_idle.c:692 cpuidle_enter_state+0x2de/0x960 drivers/cpuidle/cpuidle.c:239 cpuidle_enter+0x3c/0x60 drivers/cpuidle/cpuidle.c:356 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x1a7/0x250 kernel/sched/idle.c:303 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:400 rest_init+0xe8/0xf0 init/main.c:727 start_kernel+0x0/0x656 init/main.c:883 start_kernel+0x5d1/0x656 init/main.c:1138 secondary_startup_64_no_verify+0xcf/0xdb read to 0xffffffff85c079c0 of 8 bytes by task 17397 on cpu 1: mem_cgroup_flush_stats_delayed+0x34/0x140 mm/memcontrol.c:662 workingset_refault+0x3c3/0x820 mm/workingset.c:358 filemap_add_folio+0xe2/0x150 mm/filemap.c:947 page_cache_ra_unbounded+0x19e/0x2e0 mm/readahead.c:245 do_page_cache_ra mm/readahead.c:293 [inline] page_cache_ra_order mm/readahead.c:550 [inline] ondemand_readahead+0x5df/0x780 mm/readahead.c:672 page_cache_async_ra+0x8b/0xa0 mm/readahead.c:721 do_async_mmap_readahead+0x1f5/0x230 mm/filemap.c:3056 filemap_fault+0xfc/0x750 mm/filemap.c:3110 __do_fault mm/memory.c:4173 [inline] do_shared_fault mm/memory.c:4573 [inline] do_fault+0x5df/0xb20 mm/memory.c:4651 handle_pte_fault mm/memory.c:4911 [inline] __handle_mm_fault mm/memory.c:5053 [inline] handle_mm_fault+0x889/0xa90 mm/memory.c:5151 do_user_addr_fault+0x4a1/0x980 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1488 [inline] exc_page_fault+0x60/0x160 arch/x86/mm/fault.c:1544 asm_exc_page_fault+0x22/0x30 value changed: 0x0000000100026529 -> 0x000000010002652a Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 17397 Comm: syz-executor.2 Not tainted 6.0.0-rc4-syzkaller-00331-g4ed9c1e971b1-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 ==================================================================