======================================
| [   17.106084][    C2] 1 lock held by swapper/2/0:
| [ 17.106285][ C2] #0: ffffffffa57774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   17.106623][    C2]
| [   17.106623][    C2] stack backtrace:
[   17.106863][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.106865][    C2] Call Trace:
[   17.106867][    C2]  <IRQ>
[ 17.106870][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.106876][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 17.106881][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 17.106885][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 17.106889][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 17.106895][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 17.106899][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 17.106902][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 17.106905][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.106909][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 17.106912][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 17.106917][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.106921][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 17.106923][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 17.106928][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 17.106931][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 17.106934][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 17.106938][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 17.106942][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 17.106947][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 17.106951][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.106957][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.106959][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 17.106963][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 17.106966][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 17.106970][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.106974][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.106977][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.106980][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.106982][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.106986][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 17.106989][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.106991][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.106995][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 17.107002][ C2] __put_net (net/core/net_namespace.c:732) 
[ 17.107005][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.107010][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.107012][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.107016][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 17.107019][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.107023][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.107026][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 17.107030][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 17.107034][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 17.107040][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 17.107042][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 17.107045][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   17.107049][    C2]  </IRQ>
[   17.107050][    C2]  <TASK>
[ 17.107051][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.107054][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.107058][ C2] Code: 92 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 37 10 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   17.107061][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   17.107064][    C2] RAX: 0000000000046fa5 RBX: 1ffff92000028fc1 RCX: ffffffffa47905d9
[   17.107066][    C2] RDX: 0000000000000000 RSI: ffffffffa528f4e4 RDI: ffffffffa4a53be0
[   17.107068][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   17.107069][    C2] R10: ffff8880361337d3 R11: ffffffffa5411288 R12: 0000000000000000
[   17.107071][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 17.107075][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 17.107080][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.107082][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.107085][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.107088][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 17.107092][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 17.107096][ C2] do_idle (kernel/sched/idle.c:325) 
[ 17.107100][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.107103][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.107105][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 17.107110][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   17.126774][    C2] RCU nest depth: 0, expected: 0
| [   17.127080][    C2] INFO: lockdep is turned off.
| [   17.127381][    C2] Preemption disabled at:
| [ 17.127383][ C2] 0x0 
[   17.128153][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.128156][    C2] Call Trace:
[   17.128159][    C2]  <IRQ>
[ 17.128163][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.128174][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 17.128184][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 17.128190][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 17.128194][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 17.128200][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.128208][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 17.128217][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 17.128222][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 17.128227][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 17.128237][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 17.128242][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 17.128251][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 17.128256][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.128263][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.128268][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 17.128273][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 17.128279][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 17.128286][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.128292][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.128297][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.128301][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.128306][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.128311][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 17.128314][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.128319][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.128324][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 17.128337][ C2] __put_net (net/core/net_namespace.c:732) 
[ 17.128342][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.128349][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.128353][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.128362][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 17.128368][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.128373][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.128378][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 17.128387][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 17.128394][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 17.128404][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 17.128409][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 17.128413][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   17.128420][    C2]  </IRQ>
[   17.128422][    C2]  <TASK>
[ 17.128425][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.128429][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.128434][ C2] Code: 92 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 37 10 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   17.128438][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   17.128443][    C2] RAX: 0000000000046fa5 RBX: 1ffff92000028fc1 RCX: ffffffffa47905d9
[   17.128446][    C2] RDX: 0000000000000000 RSI: ffffffffa528f4e4 RDI: ffffffffa4a53be0
[   17.128449][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   17.128452][    C2] R10: ffff8880361337d3 R11: ffffffffa5411288 R12: 0000000000000000
[   17.128455][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 17.128462][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 17.128471][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.128475][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.128480][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.128484][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 17.128491][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 17.128499][ C2] do_idle (kernel/sched/idle.c:325) 
[ 17.128505][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.128510][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.128515][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 17.128523][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   19.648104][    C3] INFO: lockdep is turned off.
| [   19.648297][    C3] Preemption disabled at:
| [ 19.648298][ C3] 0x0 
| [   19.648660][    C3] Tainted: [W]=WARN
[   19.648661][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.648663][    C3] Call Trace:
[   19.648665][    C3]  <IRQ>
[ 19.648667][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 19.648676][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 19.648684][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 19.648688][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 19.648691][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 19.648696][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.648700][ 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) 
[ 19.648707][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 19.648709][ 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) 
[ 19.648712][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 19.648719][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 19.648722][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 19.648728][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 19.648732][ 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) 
[ 19.648738][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.648741][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 19.648744][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 19.648749][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 19.648754][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.648758][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.648761][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.648764][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.648766][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.648770][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 19.648772][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.648775][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 19.648778][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 19.648783][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 19.648787][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.648792][ C3] __put_net (net/core/net_namespace.c:732) 
[ 19.648795][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.648799][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.648802][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.648806][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 19.648810][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 19.648816][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.648821][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 19.648826][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 19.648831][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 19.648834][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 19.648837][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   19.648841][    C3]  </IRQ>
[   19.648842][    C3]  <TASK>
[ 19.648844][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.648846][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.648851][ 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
[   19.648856][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   19.648861][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffa47905d9
[   19.648864][    C3] RDX: ffffed1006c366fb RSI: ffffffffa4a53b60 RDI: ffffffffa1f8d18f
[   19.648867][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   19.648871][    C3] R10: ffff8880361b37d3 R11: ffff88800b55cad8 R12: 0000000000000000
[   19.648874][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 19.648878][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 19.648882][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.648886][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.648889][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.648891][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.648894][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 19.648898][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 19.648902][ C3] do_idle (kernel/sched/idle.c:325) 
[ 19.648906][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.648909][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 19.648911][ 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