======================================
| [   16.872782][    C0] 1 lock held by swapper/0/0:
| [ 16.872993][ C0] #0: ffffffff9ad774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   16.873379][    C0]
| [   16.873379][    C0] stack backtrace:
[   16.873660][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.873662][    C0] Call Trace:
[   16.873666][    C0]  <IRQ>
[ 16.873668][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.873681][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 16.873686][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 16.873690][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 16.873702][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.873709][ C0] ? save_trace (kernel/locking/lockdep.c:595) 
[ 16.873719][ C0] mark_lock (kernel/locking/lockdep.c:4756) 
[ 16.873722][ C0] mark_usage (kernel/locking/lockdep.c:4645) 
[ 16.873725][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 16.873728][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.873733][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 16.873736][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.873740][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.873747][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.873750][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.873754][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 16.873759][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.873763][ C0] simple_pin_fs (fs/libfs.c:1067) 
[ 16.873767][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 16.873770][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.873782][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.873786][ 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) 
[ 16.873801][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.873803][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.873807][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.873810][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.873818][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.873827][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.873830][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.873833][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.873836][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.873842][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 16.873844][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.873846][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 16.873849][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 16.873855][ C0] __put_net (net/core/net_namespace.c:732) 
[ 16.873861][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.873865][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.873868][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.873871][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.873875][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.873879][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.873883][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.873886][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.873891][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.873896][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 16.873902][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.873905][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.873908][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.873911][    C0]  </IRQ>
[   16.873912][    C0]  <TASK>
[ 16.873914][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.873917][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.873921][ C0] Code: 92 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 37 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:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  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 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  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
[   16.873924][    C0] RSP: 0018:ffffffff9aa07df8 EFLAGS: 00000246
[   16.873932][    C0] RAX: 000000000006ff1b RBX: 1ffffffff3540fc3 RCX: ffffffff99d905d9
[   16.873934][    C0] RDX: 0000000000000000 RSI: ffffffff9a88f4e4 RDI: ffffffff9a053be0
[   16.873936][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa
[   16.873937][    C0] R10: ffff8880360337d3 R11: ffffffff9aa11288 R12: 0000000000000000
[   16.873939][    C0] R13: ffffffff9aa1f240 R14: dffffc0000000000 R15: 0000000000014770
[ 16.873943][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.873948][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.873952][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.873955][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.873958][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.873962][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.873971][ C0] do_idle (kernel/sched/idle.c:325) 
[ 16.873975][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.873978][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 16.873982][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 16.873986][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 16.873992][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 16.873996][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.892407][    C0] RCU nest depth: 0, expected: 0
| [   16.892612][    C0] INFO: lockdep is turned off.
| [   16.892818][    C0] Preemption disabled at:
| [ 16.892820][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
[   16.893275][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.893277][    C0] Call Trace:
[   16.893279][    C0]  <IRQ>
[ 16.893281][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.893288][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 16.893301][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.893305][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.893308][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.893315][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.893320][ 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) 
[ 16.893329][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.893332][ 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) 
[ 16.893335][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.893341][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.893344][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.893351][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.893354][ 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) 
[ 16.893359][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.893363][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.893366][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.893372][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.893376][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.893381][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.893384][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.893387][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.893389][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.893394][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 16.893398][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.893401][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 16.893404][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 16.893411][ C0] __put_net (net/core/net_namespace.c:732) 
[ 16.893415][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.893419][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.893422][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.893425][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.893431][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.893434][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.893438][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.893441][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.893446][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.893452][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 16.893457][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.893460][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.893463][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.893467][    C0]  </IRQ>
[   16.893468][    C0]  <TASK>
[ 16.893470][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.893473][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.893477][ C0] Code: 92 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 37 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:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  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 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  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
[   16.893480][    C0] RSP: 0018:ffffffff9aa07df8 EFLAGS: 00000246
[   16.893484][    C0] RAX: 000000000006ff1b RBX: 1ffffffff3540fc3 RCX: ffffffff99d905d9
[   16.893486][    C0] RDX: 0000000000000000 RSI: ffffffff9a88f4e4 RDI: ffffffff9a053be0
[   16.893488][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa
[   16.893490][    C0] R10: ffff8880360337d3 R11: ffffffff9aa11288 R12: 0000000000000000
[   16.893492][    C0] R13: ffffffff9aa1f240 R14: dffffc0000000000 R15: 0000000000014770
[ 16.893497][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.893502][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.893505][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.893507][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.893510][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.893514][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.893520][ C0] do_idle (kernel/sched/idle.c:325) 
[ 16.893523][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.893526][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 16.893530][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 16.893534][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 16.893539][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 16.893543][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   19.260266][    C0] INFO: lockdep is turned off.
| [   19.260467][    C0] Preemption disabled at:
| [ 19.260469][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [   19.260940][    C0] Tainted: [W]=WARN
[   19.260941][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.260944][    C0] Call Trace:
[   19.260946][    C0]  <IRQ>
[ 19.260948][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 19.260956][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 19.260966][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 19.260971][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 19.260974][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 19.260980][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.260986][ 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) 
[ 19.260994][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 19.260997][ 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) 
[ 19.261000][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 19.261007][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 19.261014][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 19.261021][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 19.261025][ 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) 
[ 19.261033][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.261036][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 19.261040][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 19.261047][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 19.261052][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.261057][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.261061][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.261063][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.261066][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.261070][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 19.261073][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.261075][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 19.261079][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 19.261085][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 19.261094][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.261099][ C0] __put_net (net/core/net_namespace.c:732) 
[ 19.261103][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.261107][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.261110][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.261114][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 19.261118][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 19.261133][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.261140][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 19.261145][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 19.261151][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 19.261155][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 19.261158][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   19.261162][    C0]  </IRQ>
[   19.261164][    C0]  <TASK>
[ 19.261165][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.261168][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.261173][ C0] Code: 92 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 37 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:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  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 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  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
[   19.261176][    C0] RSP: 0018:ffffffff9aa07df8 EFLAGS: 00000246
[   19.261180][    C0] RAX: 0000000000000000 RBX: 1ffffffff3540fc3 RCX: ffffffff99d905d9
[   19.261183][    C0] RDX: ffffed1006c066fb RSI: ffffffff9a053b60 RDI: ffffffff9758d18f
[   19.261185][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c066fa
[   19.261186][    C0] R10: ffff8880360337d3 R11: ffffffff9d64ff30 R12: 0000000000000000
[   19.261188][    C0] R13: ffffffff9aa1f240 R14: dffffc0000000000 R15: 0000000000014770
[ 19.261192][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 19.261195][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.261199][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.261201][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.261204][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.261207][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 19.261211][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 19.261218][ C0] do_idle (kernel/sched/idle.c:325) 
[ 19.261221][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.261224][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 19.261227][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 19.261231][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 19.261236][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 


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