================================================================== BUG: KCSAN: data-race in tick_nohz_highres_handler / tick_nohz_highres_handler write to 0xffffffff8611edf0 of 4 bytes by interrupt on cpu 1: tick_sched_do_timer kernel/time/tick-sched.c:205 [inline] tick_nohz_highres_handler+0x2ad/0x2c0 kernel/time/tick-sched.c:1512 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x210/0x5d0 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x20d/0x7b0 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline] __sysvec_apic_timer_interrupt+0x52/0x190 arch/x86/kernel/apic/apic.c:1082 sysvec_apic_timer_interrupt+0x6a/0x80 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline] acpi_safe_halt+0x20/0x30 drivers/acpi/processor_idle.c:112 acpi_idle_do_entry+0x19/0x30 drivers/acpi/processor_idle.c:573 acpi_idle_enter+0x96/0xb0 drivers/acpi/processor_idle.c:707 cpuidle_enter_state+0xd1/0x270 drivers/cpuidle/cpuidle.c:267 cpuidle_enter+0x40/0x60 drivers/cpuidle/cpuidle.c:388 call_cpuidle kernel/sched/idle.c:134 [inline] cpuidle_idle_call kernel/sched/idle.c:215 [inline] do_idle+0x194/0x230 kernel/sched/idle.c:312 cpu_startup_entry+0x24/0x30 kernel/sched/idle.c:410 start_secondary+0x82/0x90 arch/x86/kernel/smpboot.c:336 secondary_startup_64_no_verify+0x15f/0x16b read to 0xffffffff8611edf0 of 4 bytes by interrupt on cpu 0: tick_sched_do_timer kernel/time/tick-sched.c:201 [inline] tick_nohz_highres_handler+0x3d/0x2c0 kernel/time/tick-sched.c:1512 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x210/0x5d0 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x20d/0x7b0 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline] __sysvec_apic_timer_interrupt+0x52/0x190 arch/x86/kernel/apic/apic.c:1082 sysvec_apic_timer_interrupt+0x6a/0x80 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 ma_pivots lib/maple_tree.c:654 [inline] mtree_range_walk+0x87/0x450 lib/maple_tree.c:2772 mas_state_walk lib/maple_tree.c:3680 [inline] mas_walk+0x16e/0x320 lib/maple_tree.c:4861 lock_vma_under_rcu+0x84/0x290 mm/memory.c:5622 do_user_addr_fault arch/x86/mm/fault.c:1347 [inline] handle_page_fault arch/x86/mm/fault.c:1498 [inline] exc_page_fault+0x165/0x6d0 arch/x86/mm/fault.c:1554 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 value changed: 0xffffffff -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3072 Comm: syz-fuzzer Not tainted 6.8.0-rc5-syzkaller-00329-gab0a97cffa0b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 ==================================================================