rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P7208
rcu: 	(detected by 1, t=10502 jiffies, g=23605, q=6469 ncpus=2)
task:syz.4.181       state:R  running task     stack:25592 pid:7208  tgid:7204  ppid:5615   task_flags:0x40054c flags:0x00080001
Call Trace:
 <IRQ>
 sched_show_task+0x4aa/0x5f0 kernel/sched/core.c:8140
 rcu_print_detail_task_stall_rnp kernel/rcu/tree_stall.h:292 [inline]
 print_other_cpu_stall+0xfca/0x1380 kernel/rcu/tree_stall.h:681
 check_cpu_stall kernel/rcu/tree_stall.h:856 [inline]
 rcu_pending kernel/rcu/tree.c:3679 [inline]
 rcu_sched_clock_irq+0x939/0x1050 kernel/rcu/tree.c:2716
 update_process_times+0x234/0x2d0 kernel/time/timer.c:2475
 tick_sched_handle kernel/time/tick-sched.c:298 [inline]
 tick_nohz_handler+0x42b/0x770 kernel/time/tick-sched.c:319
 __run_hrtimer kernel/time/hrtimer.c:1930 [inline]
 __hrtimer_run_queues+0x3bc/0xb10 kernel/time/hrtimer.c:1994
 hrtimer_interrupt+0x455/0x950 kernel/time/hrtimer.c:2113
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1067
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1061
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__vga_put+0x84/0x600 drivers/pci/vgaarb.c:373
Code: 8b 02 89 44 24 14 0f 1f 44 00 00 e8 d6 df d2 fc 44 89 fe 83 e6 04 31 ff e8 79 e4 d2 fc 44 89 f8 83 e0 04 75 0a e8 bc df d2 fc <e9> 8d 00 00 00 49 8d 6e 2c 49 89 ec 49 c1 ec 03 43 0f b6 04 2c 84
RSP: 0018:ffffc90007cff900 EFLAGS: 00000293
RAX: ffffffff84f18cd4 RBX: 1ffff11003427934 RCX: ffff8880607cbd80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f10dff R12: ffff888021ea0000
R13: dffffc0000000000 R14: ffff88801a13c980 R15: 0000000000000001
 vga_put drivers/pci/vgaarb.c:560 [inline]
 vga_arb_release+0x269/0x5c0 drivers/pci/vgaarb.c:1439
 __fput+0x461/0xa70 fs/file_table.c:510
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x70f/0x22c0 kernel/exit.c:976
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1119
 get_signal+0x1284/0x1330 kernel/signal.c:3038
 arch_do_signal_or_restart+0xbc/0x840 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop+0xa9/0x680 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f17f6fcce59
Code: Unable to access opcode bytes at 0x7f17f6fcce2f.
RSP: 002b:00007f17f51fd028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
RAX: 0000000000000000 RBX: 00007f17f7246090 RCX: 00007f17f6fcce59
RDX: 0000000000000005 RSI: 0000000000000001 RDI: 0000000000000008
RBP: 00007f17f7062d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f17f7246128 R14: 00007f17f7246090 R15: 00007fff961e73f8
 </TASK>