======================================
| [   15.060557][    C3] 1 lock held by swapper/3/0:
| [ 15.060744][ C3] #0: ffffffffa07774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.061085][    C3]
| [   15.061085][    C3] stack backtrace:
[   15.061326][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.061328][    C3] Call Trace:
[   15.061330][    C3]  <IRQ>
[ 15.061332][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.061339][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.061344][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.061348][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.061353][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.061358][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.061362][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.061365][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.061368][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.061372][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.061375][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.061380][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.061384][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.061387][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.061392][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.061395][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.061398][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 15.061402][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.061405][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.061412][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.061416][ 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) 
[ 15.061421][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.061424][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.061428][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.061431][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.061435][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.061440][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.061443][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.061446][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.061448][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.061452][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.061454][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.061457][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.061460][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.061468][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.061472][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.061476][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.061478][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.061481][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.061486][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.061489][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.061492][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.061495][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.061500][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.061505][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.061510][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.061513][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.061516][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.061519][    C3]  </IRQ>
[   15.061520][    C3]  <TASK>
[ 15.061522][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.061525][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.061529][ 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
[   15.061532][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   15.061535][    C3] RAX: 000000000003b3ef RBX: 1ffff9200002afc1 RCX: ffffffff9f7905d9
[   15.061537][    C3] RDX: 0000000000000000 RSI: ffffffffa028f4e4 RDI: ffffffff9fa53be0
[   15.061539][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.061540][    C3] R10: ffff8880361b37d3 R11: ffffffffa0411288 R12: 0000000000000000
[   15.061542][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.061546][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.061551][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.061553][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.061556][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.061559][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.061563][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.061567][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.061571][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.061574][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.061576][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.061581][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.077524][    C3] RCU nest depth: 0, expected: 0
| [   15.077802][    C3] INFO: lockdep is turned off.
| [   15.077974][    C3] Preemption disabled at:
| [ 15.077976][ C3] 0x0 
[   15.078291][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.078294][    C3] Call Trace:
[   15.078295][    C3]  <IRQ>
[ 15.078297][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.078305][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 15.078312][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.078316][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.078319][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.078322][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.078327][ 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) 
[ 15.078334][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.078336][ 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) 
[ 15.078340][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.078345][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.078348][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.078354][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.078357][ 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) 
[ 15.078361][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.078364][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.078367][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.078371][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.078375][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.078379][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.078382][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.078385][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.078387][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.078390][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.078393][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.078395][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.078398][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.078405][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.078409][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.078413][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.078415][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.078419][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.078424][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.078427][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.078432][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.078435][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.078439][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.078444][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.078449][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.078452][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.078455][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.078458][    C3]  </IRQ>
[   15.078459][    C3]  <TASK>
[ 15.078461][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.078464][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.078475][ 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
[   15.078477][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   15.078480][    C3] RAX: 000000000003b3ef RBX: 1ffff9200002afc1 RCX: ffffffff9f7905d9
[   15.078482][    C3] RDX: 0000000000000000 RSI: ffffffffa028f4e4 RDI: ffffffff9fa53be0
[   15.078484][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.078485][    C3] R10: ffff8880361b37d3 R11: ffffffffa0411288 R12: 0000000000000000
[   15.078487][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.078491][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.078496][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.078498][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.078501][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.078504][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.078508][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.078512][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.078515][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.078518][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.078521][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.078526][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.680285][    C3] INFO: lockdep is turned off.
| [   16.680458][    C3] Preemption disabled at:
| [ 16.680460][ C3] 0x0 
| [   16.680771][    C3] Tainted: [W]=WARN
[   16.680772][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.680774][    C3] Call Trace:
[   16.680776][    C3]  <IRQ>
[ 16.680778][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.680786][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 16.680794][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.680799][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.680802][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.680806][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.680811][ 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) 
[ 16.680817][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.680820][ 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) 
[ 16.680823][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.680829][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.680832][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.680838][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.680841][ 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) 
[ 16.680847][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.680850][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.680853][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.680858][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.680863][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.680868][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.680871][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.680874][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.680876][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.680880][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.680882][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.680884][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.680888][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.680893][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.680898][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.680902][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.680906][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.680910][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.680913][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.680918][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.680921][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.680927][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.680933][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.680937][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.680942][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.680946][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.680948][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.680952][    C3]  </IRQ>
[   16.680953][    C3]  <TASK>
[ 16.680955][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.680957][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.680961][ 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
[   16.680964][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.680968][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff9f7905d9
[   16.680970][    C3] RDX: ffffed1006c366fb RSI: ffffffff9fa53b60 RDI: ffffffff9cf8d18f
[   16.680972][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   16.680974][    C3] R10: ffff8880361b37d3 R11: ffffffffa310fa80 R12: 0000000000000000
[   16.680975][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.680979][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.680982][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.680986][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.680989][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.680991][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.680995][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.680998][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.681003][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.681006][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.681009][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.681012][ 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