rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=049/1/0x4000000000000000 softirq=62294/62294 fqs=4974 
	(t=10500 jiffies g=100985 q=768)
NMI backtrace for cpu 0
CPU: 0 PID: 28776 Comm: syz-executor.1 Not tainted 5.15.0-rc4-next-20211007-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
 print_cpu_stall kernel/rcu/tree_stall.h:604 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:688 [inline]
 rcu_pending kernel/rcu/tree.c:3889 [inline]
 rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2608
 update_process_times+0x16d/0x200 kernel/time/timer.c:1785
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1428
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:vmx_do_interrupt_nmi_irqoff+0x10/0x20 arch/x86/kvm/vmx/vmenter.S:327
Code: 41 5b 41 5a 41 59 41 58 5e 5f 5a 59 58 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 83 e4 f0 6a 18 55 9c 6a 10 ff d7 <48> 89 ec 5d c3 cc cc cc cc cc cc cc cc cc cc cc 41 57 48 8d 47 08
RSP: 0018:ffffc90014257b48 EFLAGS: 00000082
RAX: 0000000000000000 RBX: ffff88807e49c000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89600bf0
RBP: ffffc90014257b48 R08: 0000000080000000 R09: ffff88807e49c267
R10: ffffffff811ecb9c R11: 0000000000000000 R12: 0000000000000bf0
R13: 0000000089600000 R14: 0000000000000000 R15: ffff88807e49c030
 handle_interrupt_nmi_irqoff arch/x86/kvm/vmx/vmx.c:6376 [inline]
 handle_external_interrupt_irqoff arch/x86/kvm/vmx/vmx.c:6406 [inline]
 vmx_handle_exit_irqoff arch/x86/kvm/vmx/vmx.c:6417 [inline]
 vmx_handle_exit_irqoff+0x4d2/0x750 arch/x86/kvm/vmx/vmx.c:6409
 vcpu_enter_guest+0x26c4/0x4440 arch/x86/kvm/x86.c:9669
 vcpu_run arch/x86/kvm/x86.c:9787 [inline]
 kvm_arch_vcpu_ioctl_run+0x47c/0x1b10 arch/x86/kvm/x86.c:10019
 kvm_vcpu_ioctl+0x570/0xf30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3787
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0565ba98d9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0563120188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0565cadf60 RCX: 00007f0565ba98d9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 00007f0565c03cb4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffb3249aef R14: 00007f0563120300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	41 5b                	pop    %r11
   2:	41 5a                	pop    %r10
   4:	41 59                	pop    %r9
   6:	41 58                	pop    %r8
   8:	5e                   	pop    %rsi
   9:	5f                   	pop    %rdi
   a:	5a                   	pop    %rdx
   b:	59                   	pop    %rcx
   c:	58                   	pop    %rax
   d:	5d                   	pop    %rbp
   e:	c3                   	retq
   f:	66 66 2e 0f 1f 84 00 	data16 nopw %cs:0x0(%rax,%rax,1)
  16:	00 00 00 00
  1a:	55                   	push   %rbp
  1b:	48 89 e5             	mov    %rsp,%rbp
  1e:	48 83 e4 f0          	and    $0xfffffffffffffff0,%rsp
  22:	6a 18                	pushq  $0x18
  24:	55                   	push   %rbp
  25:	9c                   	pushfq
  26:	6a 10                	pushq  $0x10
  28:	ff d7                	callq  *%rdi
* 2a:	48 89 ec             	mov    %rbp,%rsp <-- trapping instruction
  2d:	5d                   	pop    %rbp
  2e:	c3                   	retq
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	cc                   	int3
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	cc                   	int3
  39:	cc                   	int3
  3a:	41 57                	push   %r15
  3c:	48 8d 47 08          	lea    0x8(%rdi),%rax