======================================
| [   14.301647][    C2] 1 lock held by swapper/2/0:
| [ 14.301834][ C2] #0: ffffffff88d774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   14.302164][    C2]
| [   14.302164][    C2] stack backtrace:
[   14.302398][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.302400][    C2] Call Trace:
[   14.302402][    C2]  <IRQ>
[ 14.302404][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.302410][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 14.302415][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 14.302419][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 14.302424][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 14.302430][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 14.302434][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 14.302437][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 14.302440][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.302444][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 14.302447][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.302451][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.302455][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 14.302458][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.302462][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.302465][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.302469][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 14.302473][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.302476][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.302482][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.302486][ 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) 
[ 14.302491][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.302494][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.302497][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.302500][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.302504][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.302508][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.302511][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.302514][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.302516][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.302520][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 14.302522][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.302525][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.302528][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.302535][ C2] __put_net (net/core/net_namespace.c:732) 
[ 14.302539][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.302543][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.302545][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.302549][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.302553][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.302556][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.302560][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.302563][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.302567][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.302572][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 14.302577][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.302580][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.302583][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.302586][    C2]  </IRQ>
[   14.302587][    C2]  <TASK>
[ 14.302589][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.302591][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.302596][ 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
[   14.302598][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   14.302601][    C2] RAX: 000000000003c77b RBX: 1ffff92000028fc1 RCX: ffffffff87d905d9
[   14.302603][    C2] RDX: 0000000000000000 RSI: ffffffff8888f4e4 RDI: ffffffff88053be0
[   14.302605][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   14.302606][    C2] R10: ffff8880361337d3 R11: ffffffff88a11288 R12: 0000000000000000
[   14.302608][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 14.302612][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.302617][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.302619][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.302622][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.302625][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.302629][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.302633][ C2] do_idle (kernel/sched/idle.c:325) 
[ 14.302637][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.302640][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.302643][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.302647][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   14.319047][    C2] RCU nest depth: 0, expected: 0
| [   14.319233][    C2] INFO: lockdep is turned off.
| [   14.319416][    C2] Preemption disabled at:
| [ 14.319418][ C2] 0x0 
[   14.319866][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.319868][    C2] Call Trace:
[   14.319869][    C2]  <IRQ>
[ 14.319871][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.319878][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 14.319885][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.319889][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.319892][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 14.319896][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.319900][ 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) 
[ 14.319906][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 14.319909][ 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) 
[ 14.319912][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.319917][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.319920][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.319926][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.319929][ 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) 
[ 14.319934][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.319937][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.319940][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.319945][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.319949][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.319953][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.319956][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.319959][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.319961][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.319965][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 14.319967][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.319969][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.319972][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.319979][ C2] __put_net (net/core/net_namespace.c:732) 
[ 14.319982][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.319987][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.319989][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.319992][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.319998][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.320001][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.320006][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.320009][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.320013][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.320018][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 14.320023][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.320026][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.320029][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.320032][    C2]  </IRQ>
[   14.320033][    C2]  <TASK>
[ 14.320035][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.320037][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.320041][ 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
[   14.320044][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   14.320047][    C2] RAX: 000000000003c77b RBX: 1ffff92000028fc1 RCX: ffffffff87d905d9
[   14.320049][    C2] RDX: 0000000000000000 RSI: ffffffff8888f4e4 RDI: ffffffff88053be0
[   14.320050][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   14.320052][    C2] R10: ffff8880361337d3 R11: ffffffff88a11288 R12: 0000000000000000
[   14.320053][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 14.320057][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.320062][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.320065][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.320067][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.320070][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.320074][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.320078][ C2] do_idle (kernel/sched/idle.c:325) 
[ 14.320082][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.320084][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.320087][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.320092][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.867822][    C3] INFO: lockdep is turned off.
| [   15.867996][    C3] Preemption disabled at:
| [ 15.867998][ C3] 0x0 
| [   15.868309][    C3] Tainted: [W]=WARN
[   15.868311][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.868313][    C3] Call Trace:
[   15.868315][    C3]  <IRQ>
[ 15.868316][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.868325][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 15.868332][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.868337][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.868340][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.868344][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.868349][ 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) 
[ 15.868355][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.868358][ 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) 
[ 15.868361][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.868367][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.868370][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.868376][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.868379][ 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) 
[ 15.868386][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.868389][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.868392][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.868397][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.868402][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.868406][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.868410][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.868412][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.868415][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.868418][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.868420][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.868423][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.868426][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.868431][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 15.868435][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.868440][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.868443][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.868447][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.868450][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.868454][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.868458][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 15.868464][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.868470][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.868474][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.868479][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.868482][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.868485][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.868489][    C3]  </IRQ>
[   15.868490][    C3]  <TASK>
[ 15.868492][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.868494][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.868502][ C3] 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
[   15.868505][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.868508][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff87d905d9
[   15.868510][    C3] RDX: ffffed1006c366fb RSI: ffffffff88053b60 RDI: ffffffff8558d18f
[   15.868512][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   15.868514][    C3] R10: ffff8880361b37d3 R11: ffffffff8b730a68 R12: 0000000000000000
[   15.868516][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.868520][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.868523][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.868527][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.868529][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.868532][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.868535][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.868539][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.868543][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.868546][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.868549][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.868552][ 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