======================================
| [   39.030192][    C2] 1 lock held by swapper/2/0:
| [ 39.030568][ C2] #0: ffffffffbaf774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   39.031278][    C2]
| [   39.031278][    C2] stack backtrace:
[   39.031766][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.031772][    C2] Call Trace:
[   39.031780][    C2]  <IRQ>
[ 39.031784][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 39.031799][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 39.031809][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 39.031818][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 39.031829][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 39.031841][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 39.031848][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 39.031853][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 39.031871][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.031879][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 39.031885][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 39.031894][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.031901][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 39.031906][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 39.031914][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 39.031921][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 39.031927][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 39.031934][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 39.031943][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 39.031957][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 39.031963][ C2] ? __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) 
[ 39.031983][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 39.031987][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 39.031992][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 39.031998][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 39.032004][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 39.032013][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 39.032018][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 39.032022][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 39.032026][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 39.032031][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 39.032035][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 39.032039][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 39.032045][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 39.032100][ C2] __put_net (net/core/net_namespace.c:732) 
[ 39.032108][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 39.032115][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 39.032119][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 39.032125][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.032132][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 39.032138][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 39.032145][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 39.032151][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.032159][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 39.032166][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 39.032176][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 39.032181][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 39.032186][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   39.032193][    C2]  </IRQ>
[   39.032195][    C2]  <TASK>
[ 39.032198][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 39.032203][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 39.032214][ C2] 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
[   39.032218][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242
[   39.032230][    C2] RAX: 00000000000489d9 RBX: 1ffff92000028fc1 RCX: ffffffffb9f905d9
[   39.032234][    C2] RDX: 0000000000000000 RSI: ffffffffbaa8f4e4 RDI: ffffffffba253be0
[   39.032237][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   39.032240][    C2] R10: ffff8880361337d3 R11: ffffffffbac11288 R12: 0000000000000000
[   39.032243][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 39.032250][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 39.032259][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 39.032264][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 39.032269][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 39.032275][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 39.032285][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 39.032293][ C2] do_idle (kernel/sched/idle.c:325) 
[ 39.032299][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 39.032304][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 39.032309][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 39.032317][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   39.071598][    C2] RCU nest depth: 0, expected: 0
| [   39.072261][    C2] INFO: lockdep is turned off.
| [   39.072649][    C2] Preemption disabled at:
| [ 39.072653][ C2] 0x0 
[   39.073388][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.073391][    C2] Call Trace:
[   39.073395][    C2]  <IRQ>
[ 39.073399][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 39.073413][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 39.073429][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 39.073436][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 39.073441][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 39.073448][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.073456][ C2] ? 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) 
[ 39.073468][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 39.073474][ C2] ? 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) 
[ 39.073479][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 39.073488][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 39.073493][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 39.073503][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 39.073509][ C2] ? __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) 
[ 39.073516][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 39.073522][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 39.073527][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 39.073534][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 39.073541][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 39.073547][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 39.073552][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 39.073557][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 39.073561][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 39.073567][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 39.073571][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 39.073575][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 39.073581][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 39.073593][ C2] __put_net (net/core/net_namespace.c:732) 
[ 39.073599][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 39.073609][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 39.073613][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 39.073620][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.073629][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 39.073635][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 39.073642][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 39.073647][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.073655][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 39.073663][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 39.073673][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 39.073678][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 39.073682][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   39.073689][    C2]  </IRQ>
[   39.073690][    C2]  <TASK>
[ 39.073693][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 39.073699][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 39.073707][ C2] 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
[   39.073711][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242
[   39.073718][    C2] RAX: 00000000000489d9 RBX: 1ffff92000028fc1 RCX: ffffffffb9f905d9
[   39.073722][    C2] RDX: 0000000000000000 RSI: ffffffffbaa8f4e4 RDI: ffffffffba253be0
[   39.073725][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   39.073728][    C2] R10: ffff8880361337d3 R11: ffffffffbac11288 R12: 0000000000000000
[   39.073731][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 39.073739][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 39.073748][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 39.073753][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 39.073757][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 39.073763][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 39.073773][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 39.073781][ C2] do_idle (kernel/sched/idle.c:325) 
[ 39.073787][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 39.073793][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 39.073798][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 39.073807][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   43.554556][    C0] INFO: lockdep is turned off.
| [   43.554953][    C0] Preemption disabled at:
| [ 43.554957][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [   43.555877][    C0] Tainted: [W]=WARN
[   43.555880][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.555883][    C0] Call Trace:
[   43.555887][    C0]  <IRQ>
[ 43.555891][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 43.555902][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 43.555913][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 43.555920][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 43.555926][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 43.555932][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.555941][ 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) 
[ 43.555951][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 43.555956][ 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) 
[ 43.555962][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 43.555972][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 43.555977][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 43.555986][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 43.555992][ 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) 
[ 43.555999][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 43.556005][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 43.556010][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 43.556016][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 43.556023][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 43.556029][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 43.556035][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 43.556040][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 43.556044][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 43.556050][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 43.556054][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 43.556059][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 43.556067][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 43.556075][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 43.556098][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.556107][ C0] __put_net (net/core/net_namespace.c:732) 
[ 43.556113][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 43.556120][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 43.556125][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 43.556134][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 43.556142][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 43.556153][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.556163][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 43.556172][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 43.556182][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 43.556188][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 43.556193][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   43.556200][    C0]  </IRQ>
[   43.556202][    C0]  <TASK>
[ 43.556205][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 43.556211][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 43.556218][ 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
[   43.556223][    C0] RSP: 0018:ffffffffbac07df8 EFLAGS: 00000246
[   43.556230][    C0] RAX: 0000000000000000 RBX: 1ffffffff7580fc3 RCX: ffffffffb9f905d9
[   43.556234][    C0] RDX: ffffed1006c066fb RSI: ffffffffba253b60 RDI: ffffffffb778d18f
[   43.556238][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c066fa
[   43.556241][    C0] R10: ffff8880360337d3 R11: ffff888001bda818 R12: 0000000000000000
[   43.556244][    C0] R13: ffffffffbac1f240 R14: dffffc0000000000 R15: 0000000000014770
[ 43.556253][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 43.556259][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 43.556267][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 43.556272][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 43.556277][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 43.556283][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 43.556291][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 43.556300][ C0] do_idle (kernel/sched/idle.c:325) 
[ 43.556307][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 43.556313][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 43.556319][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 43.556327][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 43.556335][ 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
__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