======================================
| [   15.587646][    C2] 1 lock held by swapper/2/0:
| [ 15.587834][ C2] #0: ffffffff8c9774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.588165][    C2]
| [   15.588165][    C2] stack backtrace:
[   15.588406][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.588407][    C2] Call Trace:
[   15.588409][    C2]  <IRQ>
[ 15.588412][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.588418][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.588423][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.588428][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.588432][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.588437][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.588441][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.588444][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.588447][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.588451][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.588454][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.588458][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.588463][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.588465][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.588470][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.588473][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.588476][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 15.588480][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.588483][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.588490][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.588493][ 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) 
[ 15.588499][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.588502][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.588506][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.588508][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.588513][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.588517][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.588520][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.588523][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.588525][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.588529][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 15.588531][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.588533][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.588537][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.588544][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.588548][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.588552][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.588555][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.588558][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.588562][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.588565][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.588569][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.588572][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.588577][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.588582][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.588587][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.588590][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.588593][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.588596][    C2]  </IRQ>
[   15.588597][    C2]  <TASK>
[ 15.588599][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.588602][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.588606][ 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
[   15.588609][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   15.588612][    C2] RAX: 000000000004592d RBX: 1ffff92000028fc1 RCX: ffffffff8b9905d9
[   15.588614][    C2] RDX: 0000000000000000 RSI: ffffffff8c48f4e4 RDI: ffffffff8bc53be0
[   15.588616][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   15.588617][    C2] R10: ffff8880361337d3 R11: ffffffff8c611288 R12: 0000000000000000
[   15.588619][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 15.588623][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.588627][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.588630][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.588633][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.588636][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.588639][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.588644][ C2] do_idle (kernel/sched/idle.c:325) 
[ 15.588647][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.588650][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.588653][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.588657][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.604523][    C2] RCU nest depth: 0, expected: 0
| [   15.604825][    C2] INFO: lockdep is turned off.
| [   15.605012][    C2] Preemption disabled at:
| [ 15.605014][ C2] 0x0 
[   15.605348][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.605350][    C2] Call Trace:
[   15.605351][    C2]  <IRQ>
[ 15.605354][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.605361][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 15.605367][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.605372][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.605375][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.605378][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.605383][ 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) 
[ 15.605388][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.605391][ 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) 
[ 15.605394][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.605400][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.605402][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.605408][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.605411][ 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) 
[ 15.605416][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.605418][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.605421][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.605425][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.605430][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.605433][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.605436][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.605439][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.605442][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.605445][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 15.605447][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.605450][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.605452][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.605459][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.605462][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.605466][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.605469][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.605472][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.605477][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.605481][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.605485][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.605488][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.605493][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.605497][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.605502][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.605505][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.605508][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.605514][    C2]  </IRQ>
[   15.605515][    C2]  <TASK>
[ 15.605517][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.605520][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.605524][ 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
[   15.605526][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   15.605529][    C2] RAX: 000000000004592d RBX: 1ffff92000028fc1 RCX: ffffffff8b9905d9
[   15.605531][    C2] RDX: 0000000000000000 RSI: ffffffff8c48f4e4 RDI: ffffffff8bc53be0
[   15.605533][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   15.605534][    C2] R10: ffff8880361337d3 R11: ffffffff8c611288 R12: 0000000000000000
[   15.605536][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 15.605540][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.605545][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.605547][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.605550][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.605553][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.605557][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.605561][ C2] do_idle (kernel/sched/idle.c:325) 
[ 15.605564][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.605567][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.605570][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.605575][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   17.470236][    C3] INFO: lockdep is turned off.
| [   17.470501][    C3] Preemption disabled at:
| [ 17.470505][ C3] 0x0 
| [   17.470923][    C3] Tainted: [W]=WARN
[   17.470925][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.470928][    C3] Call Trace:
[   17.470931][    C3]  <IRQ>
[ 17.470934][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.470946][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 17.470957][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 17.470964][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 17.470969][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 17.470976][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.470981][ 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) 
[ 17.470987][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 17.470990][ 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) 
[ 17.470993][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 17.470999][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 17.471002][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 17.471009][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 17.471012][ 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) 
[ 17.471017][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.471021][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 17.471024][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 17.471030][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 17.471035][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.471039][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.471043][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.471045][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.471048][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.471051][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 17.471054][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.471058][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.471063][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 17.471070][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 17.471076][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.471084][ C3] __put_net (net/core/net_namespace.c:732) 
[ 17.471090][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.471096][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.471101][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.471109][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 17.471116][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 17.471124][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.471134][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 17.471141][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 17.471151][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 17.471156][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 17.471161][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   17.471167][    C3]  </IRQ>
[   17.471169][    C3]  <TASK>
[ 17.471172][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.471177][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.471183][ 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
[   17.471188][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   17.471194][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8b9905d9
[   17.471197][    C3] RDX: ffffed1006c366fb RSI: ffffffff8bc53b60 RDI: ffffffff8918d18f
[   17.471201][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   17.471204][    C3] R10: ffff8880361b37d3 R11: ffff888009502818 R12: 0000000000000000
[   17.471207][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 17.471212][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 17.471215][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.471219][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.471222][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.471224][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.471228][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 17.471231][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 17.471235][ C3] do_idle (kernel/sched/idle.c:325) 
[ 17.471239][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.471244][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.471249][ 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