======================================
| [   15.028808][    C3] 1 lock held by swapper/3/0:
| [ 15.028995][ C3] #0: ffffffffb49774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.029331][    C3]
| [   15.029331][    C3] stack backtrace:
[   15.029564][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.029567][    C3] Call Trace:
[   15.029568][    C3]  <IRQ>
[ 15.029571][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.029577][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.029582][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.029586][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.029591][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.029597][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.029601][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.029604][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.029607][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.029611][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.029614][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.029618][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.029622][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.029625][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.029629][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.029632][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.029636][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 15.029639][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.029643][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.029649][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.029652][ 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) 
[ 15.029658][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.029661][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.029664][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.029667][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.029671][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.029675][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.029679][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.029681][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.029684][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.029688][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.029690][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.029692][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.029696][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.029703][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.029707][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.029711][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.029713][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.029716][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.029721][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.029724][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.029728][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.029730][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.029735][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.029740][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.029745][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.029748][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.029750][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.029754][    C3]  </IRQ>
[   15.029755][    C3]  <TASK>
[ 15.029757][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.029760][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.029764][ 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
[   15.029767][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.029770][    C3] RAX: 0000000000046ce1 RBX: 1ffff9200002afc1 RCX: ffffffffb39905d9
[   15.029772][    C3] RDX: 0000000000000000 RSI: ffffffffb448f4e4 RDI: ffffffffb3c53be0
[   15.029774][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.029775][    C3] R10: ffff8880361b37d3 R11: ffffffffb4611288 R12: 0000000000000000
[   15.029777][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.029781][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.029786][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.029788][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.029791][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.029794][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.029798][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.029803][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.029806][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.029809][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.029812][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.029816][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.045413][    C3] RCU nest depth: 0, expected: 0
| [   15.045591][    C3] INFO: lockdep is turned off.
| [   15.045763][    C3] Preemption disabled at:
| [ 15.045765][ C3] 0x0 
[   15.046073][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.046075][    C3] Call Trace:
[   15.046077][    C3]  <IRQ>
[ 15.046078][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.046085][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 15.046091][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.046095][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.046098][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.046101][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.046106][ 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) 
[ 15.046114][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.046116][ 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) 
[ 15.046120][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.046125][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.046128][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.046134][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.046137][ 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) 
[ 15.046141][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.046144][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.046147][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.046151][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.046155][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.046158][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.046162][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.046164][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.046167][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.046170][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.046172][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.046174][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.046177][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.046183][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.046187][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.046191][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.046194][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.046197][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.046202][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.046205][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.046209][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.046212][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.046217][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.046221][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.046226][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.046229][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.046232][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.046236][    C3]  </IRQ>
[   15.046237][    C3]  <TASK>
[ 15.046238][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.046241][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.046245][ 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
[   15.046247][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.046250][    C3] RAX: 0000000000046ce1 RBX: 1ffff9200002afc1 RCX: ffffffffb39905d9
[   15.046252][    C3] RDX: 0000000000000000 RSI: ffffffffb448f4e4 RDI: ffffffffb3c53be0
[   15.046254][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.046255][    C3] R10: ffff8880361b37d3 R11: ffffffffb4611288 R12: 0000000000000000
[   15.046257][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.046261][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.046266][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.046268][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.046271][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.046274][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.046278][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.046282][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.046285][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.046288][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.046291][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.046295][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.727410][    C3] INFO: lockdep is turned off.
| [   16.727594][    C3] Preemption disabled at:
| [ 16.727596][ C3] 0x0 
| [   16.727914][    C3] Tainted: [W]=WARN
[   16.727915][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.727917][    C3] Call Trace:
[   16.727919][    C3]  <IRQ>
[ 16.727921][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.727930][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 16.727938][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.727943][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.727946][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.727950][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.727956][ 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) 
[ 16.727962][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.727965][ 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) 
[ 16.727968][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.727974][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.727977][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.727983][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.727987][ 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) 
[ 16.727992][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.727995][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.727999][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.728003][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.728009][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.728013][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.728016][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.728019][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.728022][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.728025][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.728028][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.728030][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.728034][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.728040][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.728044][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.728049][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.728052][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.728056][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.728059][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.728064][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.728068][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.728072][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.728077][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.728082][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.728085][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.728088][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.728091][    C3]  </IRQ>
[   16.728092][    C3]  <TASK>
[ 16.728094][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.728097][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.728101][ 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
[   16.728104][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.728108][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb39905d9
[   16.728113][    C3] RDX: ffffed1006c366fb RSI: ffffffffb3c53b60 RDI: ffffffffb118d18f
[   16.728115][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   16.728116][    C3] R10: ffff8880361b37d3 R11: ffff888001bdcad8 R12: 0000000000000000
[   16.728118][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.728122][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.728126][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.728130][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.728132][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.728135][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.728138][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.728141][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.728146][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.728149][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.728152][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.728155][ 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