rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2680 jiffies s: 80285 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-rc5-syzkaller-00173-gb611b776a9c8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:mark_lock+0xa/0x350 kernel/locking/lockdep.c:4639 Code: f5 09 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 56 41 55 41 54 53 <48> 83 ec 10 49 89 f7 48 89 3c 24 49 bd 00 00 00 00 00 fc ff df 83 RSP: 0018:ffffc900000079f8 EFLAGS: 00000046 RAX: 0000000000000002 RBX: 0000000000000002 RCX: 0000000000000001 RDX: 0000000000000008 RSI: ffffffff8de95140 RDI: ffffffff8de94680 RBP: ffffffff8de95140 R08: ffffffff92c8c427 R09: 1ffffffff2591884 R10: dffffc0000000000 R11: fffffbfff2591885 R12: 0000000000000000 R13: ffffffff8de94680 R14: 1ffffffff1bd2a2c R15: ffffffff8de95160 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020003240 CR3: 000000002cacc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_usage kernel/locking/lockdep.c:4599 [inline] __lock_acquire+0xc09/0x1fd0 kernel/locking/lockdep.c:5091 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754 rcu_lock_acquire include/linux/rcupdate.h:298 [inline] rcu_read_lock include/linux/rcupdate.h:750 [inline] advance_sched+0xa1e/0xca0 net/sched/sch_taprio.c:996 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x594/0xd00 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 sysvec_apic_timer_interrupt+0x92/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 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+0x20/0x30 drivers/acpi/processor_idle.c:113 Code: 90 90 90 90 90 90 90 90 90 90 65 48 8b 05 a8 a9 9c 74 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d d6 f4 a0 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffffffff8de07ca8 EFLAGS: 00000246 RAX: ffffffff8de94680 RBX: ffff88801c688864 RCX: 00000000001dcc89 RDX: 0000000000000001 RSI: ffff88801c688800 RDI: ffff88801c688864 RBP: 0000000000038f98 R08: ffff8880b9436d8b R09: 1ffff11017286db1 R10: dffffc0000000000 R11: ffffffff8b671120 R12: ffff888015bb4800 R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8e8984e0 acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:707 cpuidle_enter_state+0x118/0x490 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+0x374/0x5d0 kernel/sched/idle.c:312 cpu_startup_entry+0x41/0x60 kernel/sched/idle.c:410 rest_init+0x2e0/0x300 init/main.c:730 arch_call_rest_init+0xe/0x10 init/main.c:827 start_kernel+0x474/0x500 init/main.c:1072 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+0x171/0x17b