======================================
| [   19.426763][    C0] 1 lock held by swapper/0/0:
| [ 19.427099][ C0] #0: ffffffffab9774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   19.427710][    C0]
| [   19.427710][    C0] stack backtrace:
[   19.428177][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.428180][    C0] Call Trace:
[   19.428183][    C0]  <IRQ>
[ 19.428186][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 19.428196][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 19.428206][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 19.428212][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 19.428219][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.428226][ C0] ? save_trace (kernel/locking/lockdep.c:595) 
[ 19.428236][ C0] mark_lock (kernel/locking/lockdep.c:4756) 
[ 19.428243][ C0] mark_usage (kernel/locking/lockdep.c:4645) 
[ 19.428247][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 19.428251][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.428259][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 19.428265][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 19.428273][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.428279][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 19.428284][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 19.428292][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 19.428298][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 19.428303][ C0] simple_pin_fs (fs/libfs.c:1067) 
[ 19.428310][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 19.428317][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 19.428324][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 19.428330][ C0] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.428336][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.428341][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 19.428346][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 19.428351][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 19.428358][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.428364][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.428369][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.428374][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.428378][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.428383][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 19.428388][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.428392][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 19.428397][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 19.428408][ C0] __put_net (net/core/net_namespace.c:732) 
[ 19.428413][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.428420][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.428424][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.428430][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.428438][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 19.428444][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.428449][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.428454][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.428463][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 19.428470][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 19.428480][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 19.428485][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 19.428490][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   19.428495][    C0]  </IRQ>
[   19.428497][    C0]  <TASK>
[ 19.428500][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.428505][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.428512][ C0] Code: a2 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 10 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   19.428516][    C0] RSP: 0018:ffffffffab607df8 EFLAGS: 00000242
[   19.428522][    C0] RAX: 000000000006ce7f RBX: 1ffffffff56c0fc3 RCX: ffffffffaa98f5d9
[   19.428525][    C0] RDX: 0000000000000000 RSI: ffffffffab48f4e4 RDI: ffffffffaac53be0
[   19.428529][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa
[   19.428532][    C0] R10: ffff8880360337d3 R11: ffffffffab611288 R12: 0000000000000000
[   19.428535][    C0] R13: ffffffffab61f240 R14: dffffc0000000000 R15: 0000000000014770
[ 19.428542][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 19.428551][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.428554][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.428558][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.428563][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 19.428569][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 19.428578][ C0] do_idle (kernel/sched/idle.c:325) 
[ 19.428584][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.428589][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 19.428596][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 19.428603][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 19.428609][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 19.428616][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   19.463175][    C0] RCU nest depth: 0, expected: 0
| [   19.463514][    C0] INFO: lockdep is turned off.
| [   19.463843][    C0] Preemption disabled at:
| [ 19.463845][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
[   19.464564][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.464567][    C0] Call Trace:
[   19.464570][    C0]  <IRQ>
[ 19.464573][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 19.464582][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 19.464592][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 19.464599][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 19.464604][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 19.464610][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.464618][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 19.464627][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 19.464632][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 19.464638][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 19.464647][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 19.464652][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 19.464661][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 19.464666][ C0] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.464674][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.464679][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 19.464685][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 19.464691][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 19.464698][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.464704][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.464710][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.464714][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.464718][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.464724][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 19.464728][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.464732][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 19.464738][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 19.464750][ C0] __put_net (net/core/net_namespace.c:732) 
[ 19.464756][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.464763][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.464767][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.464774][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.464783][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 19.464789][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.464796][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.464803][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.464812][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 19.464820][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 19.464830][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 19.464835][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 19.464839][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   19.464846][    C0]  </IRQ>
[   19.464848][    C0]  <TASK>
[ 19.464850][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.464856][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.464862][ C0] Code: a2 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 10 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   19.464867][    C0] RSP: 0018:ffffffffab607df8 EFLAGS: 00000242
[   19.464873][    C0] RAX: 000000000006ce7f RBX: 1ffffffff56c0fc3 RCX: ffffffffaa98f5d9
[   19.464876][    C0] RDX: 0000000000000000 RSI: ffffffffab48f4e4 RDI: ffffffffaac53be0
[   19.464879][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa
[   19.464883][    C0] R10: ffff8880360337d3 R11: ffffffffab611288 R12: 0000000000000000
[   19.464886][    C0] R13: ffffffffab61f240 R14: dffffc0000000000 R15: 0000000000014770
[ 19.464894][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 19.464901][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.464905][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.464908][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.464913][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 19.464919][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 19.464927][ C0] do_idle (kernel/sched/idle.c:325) 
[ 19.464933][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.464939][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 19.464946][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 19.464952][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 19.464958][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 19.464964][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   22.542550][    C3] INFO: lockdep is turned off.
| [   22.542854][    C3] Preemption disabled at:
| [ 22.542857][ C3] 0x0 
| [   22.543392][    C3] Tainted: [W]=WARN
[   22.543394][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.543397][    C3] Call Trace:
[   22.543400][    C3]  <IRQ>
[ 22.543403][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 22.543415][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 22.543425][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 22.543432][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 22.543437][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 22.543443][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.543452][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 22.543461][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 22.543466][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 22.543471][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 22.543481][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 22.543486][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 22.543494][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 22.543499][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 22.543506][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 22.543512][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 22.543517][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 22.543524][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 22.543530][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 22.543535][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 22.543540][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 22.543544][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 22.543548][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 22.543553][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 22.543556][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 22.543559][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 22.543565][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 22.543572][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 22.543577][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.543585][ C3] __put_net (net/core/net_namespace.c:732) 
[ 22.543590][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 22.543597][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 22.543601][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 22.543610][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 22.543615][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 22.543623][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.543632][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 22.543638][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 22.543647][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 22.543652][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 22.543656][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   22.543661][    C3]  </IRQ>
[   22.543663][    C3]  <TASK>
[ 22.543665][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 22.543671][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 22.543676][ C3] Code: a2 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 10 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   22.543681][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   22.543687][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffaa98f5d9
[   22.543690][    C3] RDX: ffffed1006c366fb RSI: ffffffffaac53b60 RDI: ffffffffa818d18f
[   22.543693][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   22.543696][    C3] R10: ffff8880361b37d3 R11: ffffffffae250d88 R12: 0000000000000000
[   22.543699][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 22.543705][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 22.543711][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 22.543717][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 22.543722][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 22.543727][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 22.543732][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 22.543738][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 22.543745][ C3] do_idle (kernel/sched/idle.c:325) 
[ 22.543750][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 22.543754][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 22.543758][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__might_resched:down_write:simple_recursive_removal:debugfs_remove:ref_tracker_dir_exit
schedule_preempt_disabled:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal