INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=8046, c=8045, q=41)
All QSes seen, last rcu_preempt kthread activity 10503 (4295114150-4295103647), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.3  R  running task    27584 21070   7082 0x00000000
Call Trace:
 <IRQ>
 sched_show_task kernel/sched/core.c:5168 [inline]
 sched_show_task.cold+0x2f0/0x351 kernel/sched/core.c:5143
 print_other_cpu_stall kernel/rcu/tree.c:1501 [inline]
 check_cpu_stall kernel/rcu/tree.c:1616 [inline]
 __rcu_pending kernel/rcu/tree.c:3390 [inline]
 rcu_pending kernel/rcu/tree.c:3452 [inline]
 rcu_check_callbacks.cold+0xcb1/0xd0a kernel/rcu/tree.c:2792
 update_process_times+0x31/0x70 kernel/time/timer.c:1590
 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:161
 tick_sched_timer+0x43/0x130 kernel/time/tick-sched.c:1219
 __run_hrtimer kernel/time/hrtimer.c:1220 [inline]
 __hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1284
 hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1318
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
 smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100
 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
 </IRQ>
RIP: 0010:__vmcs_readl arch/x86/kvm/vmx.c:1836 [inline]
RIP: 0010:vmcs_read32 arch/x86/kvm/vmx.c:1850 [inline]
RIP: 0010:vmx_read_guest_seg_ar+0x10b/0x250 arch/x86/kvm/vmx.c:2046
RSP: 0018:ffff8880977bf688 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000093 RBX: ffff88808b9d10c0 RCX: 000000000000000b
RDX: 0000000000004818 RSI: 0000000000000002 RDI: ffffffff86637b4c
RBP: ffff8880977bf6b0 R08: ffff88808b9d4948 R09: ffff88808b9d4a40
R10: ffffed101173a949 R11: ffff88808b9d4a4b R12: 0000000000000002
R13: 0000000000000002 R14: 00000000fff9ffef R15: ffff88808b9d10c0
 vmx_get_cpl+0x51/0x80 arch/x86/kvm/vmx.c:4758
 kvm_fetch_guest_virt+0x60/0x180 arch/x86/kvm/x86.c:4621
 __do_insn_fetch_bytes+0x2aa/0x630 arch/x86/kvm/emulate.c:895
 x86_decode_insn+0x15b0/0x4f60 arch/x86/kvm/emulate.c:5048
 x86_emulate_instruction+0x604/0x1710 arch/x86/kvm/x86.c:5894
 kvm_mmu_page_fault+0x1c5/0x300 arch/x86/kvm/mmu.c:4998
 handle_ept_misconfig+0xa0/0x450 arch/x86/kvm/vmx.c:6959
 vmx_handle_exit+0x20d/0x1330 arch/x86/kvm/vmx.c:9199
 vcpu_enter_guest+0xf28/0x5220 arch/x86/kvm/x86.c:7264
 vcpu_run arch/x86/kvm/x86.c:7327 [inline]
 kvm_arch_vcpu_ioctl_run+0x318/0x1000 arch/x86/kvm/x86.c:7494
 kvm_vcpu_ioctl+0x401/0xd10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2611
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45a219
RSP: 002b:00007fbdcddf0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000008
RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbdcddf16d4
R13: 00000000004c38b2 R14: 00000000004d7b70 R15: 00000000ffffffff
rcu_preempt kthread starved for 10540 jiffies! g8046 c8045 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
rcu_preempt     R  running task    29824     8      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x7b8/0x1cd0 kernel/sched/core.c:3384
 schedule+0x92/0x1c0 kernel/sched/core.c:3428
 schedule_timeout+0x43e/0xe10 kernel/time/timer.c:1746
 rcu_gp_kthread+0xbf4/0x1ec0 kernel/rcu/tree.c:2255
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404