======================================
| [   16.193373][    C2] 1 lock held by swapper/2/0:
| [ 16.193572][ C2] #0: ffffffffba3774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   16.193918][    C2]
| [   16.193918][    C2] stack backtrace:
[   16.194169][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.194171][    C2] Call Trace:
[   16.194174][    C2]  <IRQ>
[ 16.194177][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.194185][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 16.194189][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 16.194194][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.194200][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 16.194206][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 16.194210][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 16.194213][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 16.194217][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.194221][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 16.194224][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.194228][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.194233][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.194236][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.194240][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 16.194244][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.194247][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 16.194251][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 16.194254][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.194262][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.194266][ 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) 
[ 16.194273][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.194276][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.194279][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.194282][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.194288][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.194293][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.194296][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.194299][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.194301][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.194305][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 16.194308][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.194310][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.194314][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.194323][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.194328][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.194332][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.194335][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.194338][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.194342][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.194345][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.194349][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.194352][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.194357][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.194362][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.194367][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.194370][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.194373][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.194377][    C2]  </IRQ>
[   16.194378][    C2]  <TASK>
[ 16.194379][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.194382][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.194386][ 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
[   16.194389][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   16.194393][    C2] RAX: 000000000003e665 RBX: 1ffff92000028fc1 RCX: ffffffffb93905d9
[   16.194395][    C2] RDX: 0000000000000000 RSI: ffffffffb9e8f4e4 RDI: ffffffffb9653be0
[   16.194397][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   16.194398][    C2] R10: ffff8880361337d3 R11: ffffffffba011288 R12: 0000000000000000
[   16.194400][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 16.194404][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.194409][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.194411][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.194414][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.194417][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.194421][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.194426][ C2] do_idle (kernel/sched/idle.c:325) 
[ 16.194429][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.194432][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.194435][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.194440][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.210478][    C2] RCU nest depth: 0, expected: 0
| [   16.210688][    C2] INFO: lockdep is turned off.
| [   16.210890][    C2] Preemption disabled at:
| [ 16.210892][ C2] 0x0 
[   16.211245][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.211247][    C2] Call Trace:
[   16.211249][    C2]  <IRQ>
[ 16.211251][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.211260][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 16.211269][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.211274][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.211277][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.211282][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.211287][ 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) 
[ 16.211293][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.211296][ 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) 
[ 16.211300][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.211306][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.211309][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.211315][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.211319][ 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) 
[ 16.211324][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.211328][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.211331][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.211337][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.211342][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.211347][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.211351][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.211353][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.211356][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.211361][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 16.211363][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.211366][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.211370][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.211378][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.211382][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.211386][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.211389][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.211392][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.211399][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.211402][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.211406][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.211409][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.211414][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.211418][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.211424][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.211427][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.211430][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.211433][    C2]  </IRQ>
[   16.211434][    C2]  <TASK>
[ 16.211436][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.211439][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.211443][ 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
[   16.211445][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   16.211448][    C2] RAX: 000000000003e665 RBX: 1ffff92000028fc1 RCX: ffffffffb93905d9
[   16.211450][    C2] RDX: 0000000000000000 RSI: ffffffffb9e8f4e4 RDI: ffffffffb9653be0
[   16.211452][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   16.211453][    C2] R10: ffff8880361337d3 R11: ffffffffba011288 R12: 0000000000000000
[   16.211455][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 16.211459][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.211464][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.211466][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.211469][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.211472][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.211476][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.211480][ C2] do_idle (kernel/sched/idle.c:325) 
[ 16.211483][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.211486][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.211489][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.211493][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   18.121004][    C3] INFO: lockdep is turned off.
| [   18.121196][    C3] Preemption disabled at:
| [ 18.121198][ C3] 0x0 
| [   18.121542][    C3] Tainted: [W]=WARN
[   18.121544][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.121546][    C3] Call Trace:
[   18.121548][    C3]  <IRQ>
[ 18.121550][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 18.121562][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 18.121571][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 18.121577][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 18.121580][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 18.121586][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.121593][ 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) 
[ 18.121601][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 18.121603][ 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) 
[ 18.121607][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 18.121614][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 18.121617][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 18.121625][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 18.121629][ 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) 
[ 18.121637][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.121641][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 18.121644][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 18.121651][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 18.121658][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.121663][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.121667][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.121670][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.121672][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.121677][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 18.121679][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.121681][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.121686][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 18.121694][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 18.121698][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.121702][ C3] __put_net (net/core/net_namespace.c:732) 
[ 18.121708][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 18.121712][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.121714][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.121719][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 18.121722][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 18.121728][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.121735][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 18.121740][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 18.121746][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 18.121749][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 18.121751][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   18.121755][    C3]  </IRQ>
[   18.121756][    C3]  <TASK>
[ 18.121758][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.121760][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.121765][ 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
[   18.121767][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   18.121772][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb93905d9
[   18.121774][    C3] RDX: ffffed1006c366fb RSI: ffffffffb9653b60 RDI: ffffffffb6b8d18f
[   18.121776][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   18.121777][    C3] R10: ffff8880361b37d3 R11: ffff88800b158558 R12: 0000000000000000
[   18.121779][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 18.121783][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 18.121786][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.121790][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.121793][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.121795][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.121798][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 18.121802][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 18.121807][ C3] do_idle (kernel/sched/idle.c:325) 
[ 18.121810][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.121815][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.121818][ 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