======================================
| [   14.705415][    C3] 1 lock held by swapper/3/0:
| [ 14.705594][ C3] #0: ffffffffb51774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   14.705920][    C3]
| [   14.705920][    C3] stack backtrace:
[   14.706148][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.706150][    C3] Call Trace:
[   14.706152][    C3]  <IRQ>
[ 14.706154][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.706160][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 14.706165][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 14.706169][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 14.706174][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 14.706179][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 14.706182][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 14.706185][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 14.706188][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.706192][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 14.706195][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.706200][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.706203][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 14.706206][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.706210][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.706214][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.706217][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 14.706221][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.706224][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.706230][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.706233][ 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) 
[ 14.706239][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.706241][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.706244][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.706247][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.706252][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.706255][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.706258][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.706261][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.706263][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.706267][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.706269][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.706271][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.706275][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.706282][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.706286][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.706290][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.706292][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.706295][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.706299][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.706302][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.706306][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.706309][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.706314][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.706318][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.706323][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.706326][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.706328][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.706332][    C3]  </IRQ>
[   14.706333][    C3]  <TASK>
[ 14.706335][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.706337][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.706341][ 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
[   14.706344][    C3] RSP: 0000:ffffc90000157de8 EFLAGS: 00000246
[   14.706347][    C3] RAX: 000000000003d3c3 RBX: 1ffff9200002afc1 RCX: ffffffffb41905d9
[   14.706349][    C3] RDX: 0000000000000000 RSI: ffffffffb4c8f4e4 RDI: ffffffffb4453be0
[   14.706351][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.706352][    C3] R10: ffff8880361b37d3 R11: ffffffffb4e11288 R12: 0000000000000000
[   14.706354][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.706358][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.706362][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.706365][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.706367][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.706370][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.706374][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.706378][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.706382][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.706385][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.706387][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.706392][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   14.722050][    C3] RCU nest depth: 0, expected: 0
| [   14.722222][    C3] INFO: lockdep is turned off.
| [   14.722394][    C3] Preemption disabled at:
| [ 14.722396][ C3] 0x0 
[   14.722709][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.722710][    C3] Call Trace:
[   14.722712][    C3]  <IRQ>
[ 14.722714][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.722720][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 14.722727][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.722731][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.722734][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 14.722737][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.722741][ 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) 
[ 14.722747][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 14.722749][ 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) 
[ 14.722753][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.722758][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.722761][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.722766][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.722769][ 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) 
[ 14.722773][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.722776][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.722779][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.722783][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.722787][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.722790][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.722794][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.722796][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.722799][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.722802][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.722804][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.722806][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.722810][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.722816][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.722819][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.722823][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.722825][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.722829][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.722834][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.722837][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.722841][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.722844][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.722849][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.722853][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.722858][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.722861][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.722864][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.722867][    C3]  </IRQ>
[   14.722868][    C3]  <TASK>
[ 14.722870][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.722873][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.722876][ 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
[   14.722879][    C3] RSP: 0000:ffffc90000157de8 EFLAGS: 00000246
[   14.722882][    C3] RAX: 000000000003d3c3 RBX: 1ffff9200002afc1 RCX: ffffffffb41905d9
[   14.722884][    C3] RDX: 0000000000000000 RSI: ffffffffb4c8f4e4 RDI: ffffffffb4453be0
[   14.722886][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.722887][    C3] R10: ffff8880361b37d3 R11: ffffffffb4e11288 R12: 0000000000000000
[   14.722889][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.722892][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.722897][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.722900][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.722902][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.722905][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.722909][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.722913][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.722917][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.722920][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.722922][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.722927][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.359268][    C3] INFO: lockdep is turned off.
| [   16.359438][    C3] Preemption disabled at:
| [ 16.359440][ C3] 0x0 
| [   16.359755][    C3] Tainted: [W]=WARN
[   16.359757][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.359759][    C3] Call Trace:
[   16.359761][    C3]  <IRQ>
[ 16.359763][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.359772][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 16.359779][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.359783][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.359786][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.359790][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.359795][ 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) 
[ 16.359801][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.359804][ 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) 
[ 16.359807][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.359812][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.359815][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.359821][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.359824][ 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) 
[ 16.359830][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.359833][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.359836][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.359841][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.359846][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.359850][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.359853][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.359856][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.359858][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.359862][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.359864][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.359866][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.359870][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.359875][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.359879][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.359883][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.359887][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.359891][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.359893][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.359898][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.359901][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.359907][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.359913][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.359917][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.359922][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.359925][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.359928][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.359931][    C3]  </IRQ>
[   16.359932][    C3]  <TASK>
[ 16.359934][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.359937][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.359941][ 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
[   16.359943][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.359947][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb41905d9
[   16.359949][    C3] RDX: ffffed1006c366fb RSI: ffffffffb4453b60 RDI: ffffffffb198d18f
[   16.359951][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   16.359952][    C3] R10: ffff8880361b37d3 R11: ffffffffb7a910f0 R12: 0000000000000000
[   16.359954][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.359958][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.359961][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.359965][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.359967][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.359970][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.359973][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.359976][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.359980][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.359984][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.359987][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.359989][ 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