rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2670 jiffies s: 1745 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 57 Comm: kworker/1:2 Not tainted 6.8.0-syzkaller-06328-g259f7d5e2baf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: events_freezable_pwr_efficient sync_hw_clock (events_freezable_pwr_ef)
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:32 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:lock_acquire+0x22a/0x520 kernel/locking/lockdep.c:5757
Code: 0f 85 a8 01 00 00 49 89 de 48 c1 eb 03 42 80 3c 2b 00 74 08 4c 89 f7 e8 f4 54 86 00 48 c7 44 24 60 00 00 00 00 9c 8f 44 24 60 <42> 80 3c 2b 00 74 08 4c 89 f7 e8 07 54 86 00 f6 44 24 61 02 0f 85
RSP: 0018:ffffc90000a08b20 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffff92000141170 RCX: ffffffff81717812
RDX: 0000000000000000 RSI: ffffffff8b6acf20 RDI: ffffffff8bbaf1c0
RBP: ffffc90000a08c68 R08: dffffc0000000000 R09: 1ffffffff24e04c2
R10: dffffc0000000000 R11: fffffbfff24e04c3 R12: 1ffff9200014116c
R13: dffffc0000000000 R14: ffffc90000a08b80 R15: 0000000000000046
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 000000002b4ac000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xa7/0xc90 net/sched/sch_taprio.c:924
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x591/0xce0 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x103/0x390 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 02 35 d8 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 07 48 45 f6 65 8b 05 d8 50 e4 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc9000132fa20 EFLAGS: 00000206
RAX: 5a57a6f0bb20e600 RBX: 1ffff92000265f48 RCX: ffffffff8172308a
RDX: dffffc0000000000 RSI: ffffffff8b6abda0 RDI: 0000000000000001
RBP: ffffc9000132fab0 R08: ffffffff92702617 R09: 1ffffffff24e04c2
R10: dffffc0000000000 R11: fffffbfff24e04c3 R12: dffffc0000000000
R13: 1ffff92000265f44 R14: ffffc9000132fa40 R15: 0000000000000246
 hrtimer_start include/linux/hrtimer.h:275 [inline]
 sched_sync_hw_clock kernel/time/ntp.c:519 [inline]
 sync_hw_clock+0x418/0x520 kernel/time/ntp.c:660
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0x9fc/0x1750 kernel/workqueue.c:3335
 worker_thread+0xa5c/0xff0 kernel/workqueue.c:3416
 kthread+0x2ec/0x380 kernel/kthread.c:388
 ret_from_fork+0x47/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>