INFO: rcu_sched detected stalls on CPUs/tasks:
	(detected by 1, t=125007 jiffies, g=254024, c=254023, q=88)
All QSes seen, last rcu_sched kthread activity 125014 (4296072807-4295947793), jiffies_till_next_fqs=3, root ->qsmask 0x0
syz-executor3   R  running task    17912  4604   4596 0x00000008
Call Trace:
 <IRQ>
 sched_show_task.cold.86+0x27a/0x301 kernel/sched/core.c:5321
 print_other_cpu_stall.cold.79+0x92f/0x9d2 kernel/rcu/tree.c:1481
 check_cpu_stall.isra.61+0x706/0xf50 kernel/rcu/tree.c:1599
 __rcu_pending kernel/rcu/tree.c:3356 [inline]
 rcu_pending kernel/rcu/tree.c:3401 [inline]
 rcu_check_callbacks+0x21b/0xad0 kernel/rcu/tree.c:2763
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x3e3/0x10a0 kernel/time/hrtimer.c:1460
 hrtimer_interrupt+0x2f3/0x750 kernel/time/hrtimer.c:1518
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline]
 smp_apic_timer_interrupt+0x15d/0x710 arch/x86/kernel/apic/apic.c:1050
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863
 </IRQ>
RIP: 0010:d_walk+0x35e/0xc80 fs/dcache.c:1269
RSP: 0018:ffff8801a06179f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff8801c9ad36c0 RBX: ffff8801c9bd10f0 RCX: ffffffff81c70fa8
RDX: 0000000000000000 RSI: ffffffff81c7105b RDI: 0000000000000005
RBP: ffff8801a0617b78 R08: ffff8801ad5c4380 R09: ffffed003935a6c8
R10: ffffed003935a6c8 R11: ffff8801c9ad3643 R12: ffff8801c9bd1000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8801a0617b50
 shrink_dcache_parent+0x179/0x230 fs/dcache.c:1486
 vfs_rmdir+0x202/0x470 fs/namei.c:3850
 do_rmdir+0x523/0x610 fs/namei.c:3911
 __do_sys_rmdir fs/namei.c:3929 [inline]
 __se_sys_rmdir fs/namei.c:3927 [inline]
 __x64_sys_rmdir+0x36/0x40 fs/namei.c:3927
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455897
RSP: 002b:00007fff60d66918 EFLAGS: 00000206 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 0000000000455897
RDX: 0000000000000000 RSI: 00007fff60d686c0 RDI: 00007fff60d686c0
RBP: 00007fff60d686c0 R08: 0000000000000000 R09: 0000000000000001
R10: 000000000000000a R11: 0000000000000206 R12: 00000000028d3940
R13: 0000000000000000 R14: 0000000000001bfc R15: 0000000000138955
rcu_sched kthread starved for 125586 jiffies! g254024 c254023 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
RCU grace-period kthread stack dump:
rcu_sched       R  running task    23592     9      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2859 [inline]
 __schedule+0x801/0x1e30 kernel/sched/core.c:3501
 schedule+0xef/0x430 kernel/sched/core.c:3545
 schedule_timeout+0x138/0x240 kernel/time/timer.c:1801
 rcu_gp_kthread+0x6b5/0x1940 kernel/rcu/tree.c:2231
 kthread+0x345/0x410 kernel/kthread.c:240
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412