======================================
| [   14.393221][    C0] 1 lock held by swapper/0/0:
| [ 14.393425][ C0] #0: ffffffffa51774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   14.393795][    C0]
| [   14.393795][    C0] stack backtrace:
[   14.394053][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.394055][    C0] Call Trace:
[   14.394057][    C0]  <IRQ>
[ 14.394058][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.394065][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 14.394069][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 14.394073][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 14.394078][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 14.394082][ C0] ? save_trace (kernel/locking/lockdep.c:595) 
[ 14.394087][ C0] mark_lock (kernel/locking/lockdep.c:4756) 
[ 14.394091][ C0] mark_usage (kernel/locking/lockdep.c:4645) 
[ 14.394094][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 14.394097][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.394100][ C0] ? pcim_iomap_regions (drivers/pci/devres.c:795) 
[ 14.394106][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 14.394109][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.394113][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.394117][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 14.394120][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.394124][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.394128][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.394131][ C0] simple_pin_fs (fs/libfs.c:1067) 
[ 14.394135][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.394138][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.394143][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.394147][ C0] ? __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) 
[ 14.394152][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.394155][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.394158][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.394161][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.394166][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.394169][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.394172][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.394175][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.394177][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.394180][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 14.394183][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.394185][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 14.394188][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 14.394193][ C0] __put_net (net/core/net_namespace.c:732) 
[ 14.394197][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.394201][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.394204][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.394207][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.394211][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.394214][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.394218][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.394220][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.394225][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.394229][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 14.394235][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.394238][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.394240][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.394244][    C0]  </IRQ>
[   14.394245][    C0]  <TASK>
[ 14.394247][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.394249][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.394253][ C0] 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
[   14.394256][    C0] RSP: 0018:ffffffffa4e07df8 EFLAGS: 00000246
[   14.394259][    C0] RAX: 0000000000065665 RBX: 1ffffffff49c0fc3 RCX: ffffffffa41905d9
[   14.394261][    C0] RDX: 0000000000000000 RSI: ffffffffa4c8f4e4 RDI: ffffffffa4453be0
[   14.394263][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa
[   14.394264][    C0] R10: ffff8880360337d3 R11: ffffffffa4e11288 R12: 0000000000000000
[   14.394266][    C0] R13: ffffffffa4e1f240 R14: dffffc0000000000 R15: 0000000000014770
[ 14.394270][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.394275][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.394277][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.394280][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.394283][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.394287][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.394292][ C0] do_idle (kernel/sched/idle.c:325) 
[ 14.394295][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.394298][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 14.394302][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 14.394306][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 14.394310][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 14.394314][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   14.412851][    C0] RCU nest depth: 0, expected: 0
| [   14.413044][    C0] INFO: lockdep is turned off.
| [   14.413235][    C0] Preemption disabled at:
| [ 14.413237][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
[   14.413804][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.413806][    C0] Call Trace:
[   14.413807][    C0]  <IRQ>
[ 14.413809][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.413814][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 14.413821][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.413825][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.413828][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 14.413831][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.413835][ C0] ? 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) 
[ 14.413841][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 14.413844][ C0] ? 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) 
[ 14.413847][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.413852][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.413855][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.413860][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.413864][ C0] ? __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) 
[ 14.413868][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.413871][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.413874][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.413879][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.413883][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.413887][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.413890][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.413893][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.413895][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.413898][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 14.413900][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.413903][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 14.413906][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 14.413912][ C0] __put_net (net/core/net_namespace.c:732) 
[ 14.413915][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.413920][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.413922][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.413926][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.413931][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.413934][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.413938][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.413941][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.413946][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.413950][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 14.413955][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.413958][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.413961][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.413964][    C0]  </IRQ>
[   14.413966][    C0]  <TASK>
[ 14.413967][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.413970][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.413973][ C0] 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
[   14.413976][    C0] RSP: 0018:ffffffffa4e07df8 EFLAGS: 00000246
[   14.413979][    C0] RAX: 0000000000065665 RBX: 1ffffffff49c0fc3 RCX: ffffffffa41905d9
[   14.413981][    C0] RDX: 0000000000000000 RSI: ffffffffa4c8f4e4 RDI: ffffffffa4453be0
[   14.413982][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa
[   14.413984][    C0] R10: ffff8880360337d3 R11: ffffffffa4e11288 R12: 0000000000000000
[   14.413986][    C0] R13: ffffffffa4e1f240 R14: dffffc0000000000 R15: 0000000000014770
[ 14.413990][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.413995][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.413997][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.414000][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.414003][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.414007][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.414012][ C0] do_idle (kernel/sched/idle.c:325) 
[ 14.414015][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.414018][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 14.414021][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 14.414025][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 14.414030][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 14.414034][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.953856][    C3] INFO: lockdep is turned off.
| [   15.954027][    C3] Preemption disabled at:
| [ 15.954029][ C3] 0x0 
| [   15.954340][    C3] Tainted: [W]=WARN
[   15.954342][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.954343][    C3] Call Trace:
[   15.954345][    C3]  <IRQ>
[ 15.954347][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.954356][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 15.954363][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.954367][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.954370][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.954375][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.954380][ 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) 
[ 15.954386][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.954388][ 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) 
[ 15.954392][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.954397][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.954400][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.954406][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.954410][ 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) 
[ 15.954415][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.954419][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.954422][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.954426][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.954432][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.954435][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.954439][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.954441][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.954444][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.954447][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.954450][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.954452][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.954456][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.954461][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 15.954466][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.954470][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.954474][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.954478][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.954480][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.954485][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.954488][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 15.954494][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.954500][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.954504][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.954509][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.954512][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.954515][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.954519][    C3]  </IRQ>
[   15.954520][    C3]  <TASK>
[ 15.954522][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.954524][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.954529][ 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
[   15.954531][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.954535][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffa41905d9
[   15.954537][    C3] RDX: ffffed1006c366fb RSI: ffffffffa4453b60 RDI: ffffffffa198d18f
[   15.954539][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   15.954540][    C3] R10: ffff8880361b37d3 R11: ffffffffa7acbe00 R12: 0000000000000000
[   15.954542][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.954546][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.954549][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.954553][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.954556][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.954558][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.954562][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.954565][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.954570][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.954573][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.954576][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.954579][ 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
schedule_preempt_disabled:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal