rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P28796/1:b..l
rcu: 	(detected by 1, t=15116 jiffies, g=192673, q=184 ncpus=2)
task:syz.6.5599      state:R  running task     stack:24824 pid:28796 tgid:28796 ppid:25883  task_flags:0x400040 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x1821/0x5740
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x14f/0x760
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_acquire+0x221/0x350
Code: ff ff ff e8 f1 6d 07 0a f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 db b8 97 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 40 61 0a 0a cc 48 8d 3d 88 73 92
RSP: 0018:ffffc90008f6f4f8 EFLAGS: 00000282
RAX: 2ac3baf323befd00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 0000000028f35865 RSI: ffffffff8e21f706 RDI: ffffffff8c28b660
RBP: ffffffff8176f256 R08: ffffffff8176f256 R09: ffffffff8e95cca0
R10: ffffc90008f6f658 R11: ffffffff81b0eff0 R12: 0000000000000002
R13: ffffffff8e95cca0 R14: 0000000000000000 R15: 0000000000000246
 unwind_next_frame+0xc3/0x2550
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0xee/0x890
 evict+0x95b/0xb10
 __dentry_kill+0x1a2/0x690
 finish_dput+0xc9/0x480
 find_next_child+0x1e5/0x250
 __simple_recursive_removal+0x10b/0x520
 debugfs_remove+0x5b/0x70
 kvm_put_kvm+0x13e/0xa50
 kvm_vm_release+0x43/0x50
 __fput+0x44f/0xa60
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xf3/0x4d0
 do_syscall_64+0x33e/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa1b919ce59
RSP: 002b:00007ffd5f7083f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fa1b9417da0 RCX: 00007fa1b919ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fa1b9417da0 R08: 0000000000000006 R09: 0000000000000000
R10: 00007fa1b9417cb0 R11: 0000000000000246 R12: 00000000000f96c7
R13: 00007fa1b941618c R14: 00000000000f93fc R15: 00007ffd5f708500
 </TASK>
