rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=142585, q=55)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295047236-4295036734), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.5  R  running task    29664  3737   9564 0x80004008
Call Trace:
 <IRQ>
 sched_show_task kernel/sched/core.c:5954 [inline]
 sched_show_task.cold+0x2ee/0x35d kernel/sched/core.c:5929
 print_other_cpu_stall kernel/rcu/tree_stall.h:410 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:538 [inline]
 rcu_pending kernel/rcu/tree.c:2827 [inline]
 rcu_sched_clock_irq.cold+0xaf4/0xc0d kernel/rcu/tree.c:2271
 update_process_times+0x2d/0x70 kernel/time/timer.c:1726
 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:167
 tick_sched_timer+0x53/0x140 kernel/time/tick-sched.c:1310
 __run_hrtimer kernel/time/hrtimer.c:1517 [inline]
 __hrtimer_run_queues+0x364/0xe40 kernel/time/hrtimer.c:1579
 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1641
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline]
 smp_apic_timer_interrupt+0x160/0x610 arch/x86/kernel/apic/apic.c:1135
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: 38 77 de f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d d4 39 54 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d c4 39 54 00 fb f4 <c3> cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 0e 46 8e f9 e8 e9
RSP: 0018:ffffc900075af968 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff132669e RBX: ffff8880330b0ce0 RCX: 0000000000000006
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8880330b0dd4
RBP: ffffc900075af988 R08: 1ffffffff165e79e R09: fffffbfff165e79f
R10: fffffbfff165e79e R11: ffffffff8b2f3cf7 R12: 0000000000000003
R13: 0000000000000282 R14: 0000000000000000 R15: 0000000000000001
 pv_wait arch/x86/include/asm/paravirt.h:648 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x9ba/0xc40 kernel/locking/qspinlock.c:507
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:638 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:50 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:81 [inline]
 do_raw_spin_lock+0x21d/0x2f0 kernel/locking/spinlock_debug.c:113
 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_lock+0x37/0x40 kernel/locking/spinlock.c:151
 spin_lock include/linux/spinlock.h:338 [inline]
 task_lock include/linux/sched/task.h:171 [inline]
 exit_mm kernel/exit.c:479 [inline]
 do_exit+0xa5a/0x2f50 kernel/exit.c:788
 do_group_exit+0x135/0x360 kernel/exit.c:899
 get_signal+0x47c/0x24f0 kernel/signal.c:2734
 do_signal+0x87/0x1700 arch/x86/kernel/signal.c:815
 exit_to_usermode_loop+0x286/0x380 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:278 [inline]
 do_syscall_64+0x676/0x790 arch/x86/entry/common.c:304
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45af49
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f560d9cacf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 000000000075bfd0 RCX: 000000000045af49
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000075bfd4
RBP: 000000000075bfc8 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000075bfd4
R13: 00007ffef4e652bf R14: 00007f560d9cb9c0 R15: 000000000075bfd4