================================================================== BUG: KCSAN: data-race in mem_cgroup_flush_stats_delayed / 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: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:1096 [inline] __sysvec_apic_timer_interrupt+0xa3/0x250 arch/x86/kernel/apic/apic.c:1113 sysvec_apic_timer_interrupt+0x88/0xb0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 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:570 [inline] acpi_idle_enter+0x283/0x340 drivers/acpi/processor_idle.c:707 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:732 arch_call_rest_init+0x5/0x10 init/main.c:894 start_kernel+0x59e/0x630 init/main.c:1148 secondary_startup_64_no_verify+0xcf/0xdb read to 0xffffffff85a079c0 of 8 bytes by task 16154 on cpu 1: mem_cgroup_flush_stats_delayed+0x34/0x140 mm/memcontrol.c:649 workingset_refault+0x2ba/0x750 mm/workingset.c:464 filemap_add_folio+0xe2/0x150 mm/filemap.c:949 page_cache_ra_unbounded+0x1a0/0x320 mm/readahead.c:251 do_page_cache_ra mm/readahead.c:300 [inline] page_cache_ra_order mm/readahead.c:560 [inline] ondemand_readahead+0x541/0x6d0 mm/readahead.c:682 page_cache_async_ra+0x8b/0xa0 mm/readahead.c:731 do_async_mmap_readahead+0x206/0x240 mm/filemap.c:3090 filemap_fault+0xf6/0x6a0 mm/filemap.c:3144 __do_fault mm/memory.c:4163 [inline] do_read_fault mm/memory.c:4514 [inline] do_fault+0x4e8/0xaf0 mm/memory.c:4643 handle_pte_fault mm/memory.c:4931 [inline] __handle_mm_fault mm/memory.c:5073 [inline] handle_mm_fault+0x8c5/0xb20 mm/memory.c:5219 faultin_page mm/gup.c:926 [inline] __get_user_pages+0x348/0xc20 mm/gup.c:1153 populate_vma_page_range mm/gup.c:1526 [inline] __mm_populate+0x281/0x380 mm/gup.c:1640 mm_populate include/linux/mm.h:2874 [inline] vm_mmap_pgoff+0x160/0x1f0 mm/util.c:525 ksys_mmap_pgoff+0x265/0x320 mm/mmap.c:1457 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x0000000100044b9d -> 0x0000000100044b9e Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 16154 Comm: syz-executor.3 Tainted: G W 6.2.0-rc3-syzkaller-00009-g5a41237ad1d4-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ==================================================================