rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2640 jiffies s: 553 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.8.0-rc4-next-20240214-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:mark_usage kernel/locking/lockdep.c:4553 [inline] RIP: 0010:__lock_acquire+0xb27/0x1fd0 kernel/locking/lockdep.c:5091 Code: 48 0f 84 f6 00 00 00 41 0f b6 04 16 84 c0 0f 85 86 0d 00 00 41 8b 0f f7 c1 00 80 00 00 0f 85 bf 00 00 00 65 8b 05 45 fc 90 7e c1 00 00 03 00 74 4e 85 c0 74 22 4c 89 ef 48 89 ee ba 01 00 00 RSP: 0018:ffffc90000007a30 EFLAGS: 00000046 RAX: 0000000000000001 RBX: 0000000000000002 RCX: 00000000000c46ec RDX: dffffc0000000000 RSI: ffffffff8de95158 RDI: ffffffff92cc3578 RBP: ffffffff8de95158 R08: ffffffff92cc357f R09: 1ffffffff25986af R10: dffffc0000000000 R11: fffffbfff25986b0 R12: 0000000000000001 R13: ffffffff8de94680 R14: 1ffffffff1bd2a2f R15: ffffffff8de95178 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000007b87c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] advance_sched+0xab/0xca0 net/sched/sch_taprio.c:924 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x595/0xd00 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline] __sysvec_apic_timer_interrupt+0x107/0x3a0 arch/x86/kernel/apic/apic.c:1082 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1076 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline] RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:113 Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 00 bf 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 65 10 97 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffffff8de07ca8 EFLAGS: 00000246 RAX: ffffffff8de94680 RBX: ffff88801aa85064 RCX: 000000000001c661 RDX: 0000000000000001 RSI: ffff88801aa85000 RDI: ffff88801aa85064 RBP: 0000000000038fb8 R08: ffff8880b9436b8b R09: 1ffff11017286d71 R10: dffffc0000000000 R11: ffffffff8b715b10 R12: ffff888015707800 R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8e8a2bc0 acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:707 cpuidle_enter_state+0x112/0x480 drivers/cpuidle/cpuidle.c:267 cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:388 call_cpuidle kernel/sched/idle.c:134 [inline] cpuidle_idle_call kernel/sched/idle.c:215 [inline] do_idle+0x375/0x5d0 kernel/sched/idle.c:312 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:410 rest_init+0x2dc/0x300 init/main.c:732 start_kernel+0x475/0x500 init/main.c:1069 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:555 x86_64_start_kernel+0x99/0xa0 arch/x86/kernel/head64.c:536 secondary_startup_64_no_verify+0x166/0x16b INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.496 msecs