rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2636 jiffies s: 817 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: 21 Comm: kworker/1:0 Not tainted 6.4.0-rc7-syzkaller-g8a28a0b6f1a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: events_freezable_power_ sync_hw_clock
RIP: 0010:mark_lock.part.0+0x2/0x1970 kernel/locking/lockdep.c:4615
Code: e8 f3 c1 70 00 e9 27 fe ff ff 48 c7 c7 0c 08 7a 8e e8 e2 c1 70 00 e9 b3 fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 57 <41> 56 41 55 41 89 d5 48 ba 00 00 00 00 00 fc ff df 41 54 49 89 f4
RSP: 0018:ffffc900003e8a88 EFLAGS: 00000002
RAX: 000000000000000c RBX: 0000000000000000 RCX: ffff888019e4cbac
RDX: 0000000000000008 RSI: ffff888019e4cc40 RDI: ffff888019e4c100
RBP: ffff888019e4c100 R08: 0000000000000000 R09: ffffffff91520d07
R10: 0000000000000001 R11: 0000000000094001 R12: dffffc0000000000
R13: ffff888019e4cc62 R14: 0000000000000002 R15: ffff888019e4cc40
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f925d880b3b CR3: 000000007a25f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 mark_lock kernel/locking/lockdep.c:4620 [inline]
 mark_usage kernel/locking/lockdep.c:4577 [inline]
 __lock_acquire+0x907/0x5f30 kernel/locking/lockdep.c:5042
 lock_acquire kernel/locking/lockdep.c:5705 [inline]
 lock_acquire+0x1b1/0x520 kernel/locking/lockdep.c:5670
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3d/0x60 kernel/locking/spinlock.c:162
 debug_object_activate+0x186/0x4f0 lib/debugobjects.c:708
 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
 debug_activate kernel/time/hrtimer.c:475 [inline]
 enqueue_hrtimer+0x27/0x320 kernel/time/hrtimer.c:1084
 __run_hrtimer kernel/time/hrtimer.c:1702 [inline]
 __hrtimer_run_queues+0xa5b/0xbe0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x3c/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 a6 cb 51 f7 48 89 ef e8 ce 39 52 f7 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 3f 0f 44 f7 65 8b 05 80 7c f0 75 85 c0 74 0a 5b 5d c3 e8 5c c9
RSP: 0018:ffffc900003cfbf0 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff22b0b46
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff8880b992b840 R08: 0000000000000001 R09: ffffffff91520e0f
R10: 0000000000000001 R11: 0000000000000001 R12: 3538b8f0e636f300
R13: 000000001dcd6500 R14: 00000000e495bcba R15: 3538b8f08ccec400
 hrtimer_start include/linux/hrtimer.h:418 [inline]
 sched_sync_hw_clock kernel/time/ntp.c:519 [inline]
 sync_hw_clock+0x1fa/0x4d0 kernel/time/ntp.c:660
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>