======================================
| [   14.729642][    C3] 1 lock held by swapper/3/0:
| [ 14.729830][ C3] #0: ffffffff9c3774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   14.730163][    C3]
| [   14.730163][    C3] stack backtrace:
[   14.730398][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.730400][    C3] Call Trace:
[   14.730402][    C3]  <IRQ>
[ 14.730405][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.730411][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 14.730415][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 14.730420][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 14.730425][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 14.730431][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 14.730434][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 14.730437][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 14.730440][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.730444][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 14.730447][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.730452][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.730456][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 14.730458][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.730463][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.730467][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.730470][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 14.730474][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.730477][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 14.730483][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.730487][ 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) 
[ 14.730492][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.730495][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.730498][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.730501][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.730506][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.730509][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.730513][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.730515][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.730518][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.730521][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.730524][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.730526][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.730530][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.730537][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.730541][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.730546][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.730548][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.730551][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.730555][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.730559][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.730562][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.730565][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.730570][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.730574][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.730580][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.730583][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.730585][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.730589][    C3]  </IRQ>
[   14.730590][    C3]  <TASK>
[ 14.730592][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.730594][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.730599][ C3] Code: a2 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 47 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:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  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
[   14.730602][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   14.730605][    C3] RAX: 0000000000049b8f RBX: 1ffff9200002afc1 RCX: ffffffff9b38f5d9
[   14.730607][    C3] RDX: 0000000000000000 RSI: ffffffff9be8f4e4 RDI: ffffffff9b653be0
[   14.730609][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.730610][    C3] R10: ffff8880361b37d3 R11: ffffffff9c011288 R12: 0000000000000000
[   14.730612][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.730616][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.730621][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.730623][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.730626][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.730629][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.730633][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.730637][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.730641][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.730644][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.730647][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.730651][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   14.746314][    C3] RCU nest depth: 0, expected: 0
| [   14.746484][    C3] INFO: lockdep is turned off.
| [   14.746659][    C3] Preemption disabled at:
| [ 14.746661][ C3] 0x0 
[   14.746976][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.746978][    C3] Call Trace:
[   14.746979][    C3]  <IRQ>
[ 14.746981][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.746988][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 14.746995][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.746999][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.747002][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 14.747005][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.747010][ 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) 
[ 14.747016][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 14.747019][ 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) 
[ 14.747022][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.747027][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.747030][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 14.747036][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.747039][ 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) 
[ 14.747044][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.747047][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.747050][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.747054][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.747058][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.747062][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.747065][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.747067][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.747070][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.747073][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.747075][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.747078][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.747081][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.747087][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.747090][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.747094][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.747096][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.747100][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.747105][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.747108][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.747112][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.747115][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.747120][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.747124][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.747130][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.747132][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.747135][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.747139][    C3]  </IRQ>
[   14.747140][    C3]  <TASK>
[ 14.747141][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.747144][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.747148][ C3] Code: a2 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 47 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:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  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
[   14.747150][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   14.747153][    C3] RAX: 0000000000049b8f RBX: 1ffff9200002afc1 RCX: ffffffff9b38f5d9
[   14.747155][    C3] RDX: 0000000000000000 RSI: ffffffff9be8f4e4 RDI: ffffffff9b653be0
[   14.747157][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.747158][    C3] R10: ffff8880361b37d3 R11: ffffffff9c011288 R12: 0000000000000000
[   14.747160][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.747164][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.747168][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.747171][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.747173][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.747177][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.747180][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.747184][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.747188][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.747191][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.747193][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.747198][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.366161][    C2] INFO: lockdep is turned off.
| [   16.366345][    C2] Preemption disabled at:
| [ 16.366347][ C2] 0x0 
| [   16.366680][    C2] Tainted: [W]=WARN
[   16.366681][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.366683][    C2] Call Trace:
[   16.366685][    C2]  <IRQ>
[ 16.366687][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.366695][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 16.366703][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.366707][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.366710][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.366715][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.366720][ 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) 
[ 16.366725][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.366728][ 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) 
[ 16.366731][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.366737][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.366740][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.366748][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.366752][ 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) 
[ 16.366757][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.366760][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.366764][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.366768][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.366774][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.366778][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.366781][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.366784][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.366786][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.366790][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 16.366792][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.366795][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.366799][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.366804][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.366808][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.366812][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.366816][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.366820][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.366822][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.366827][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.366830][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.366836][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.366842][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.366846][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.366851][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.366854][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.366857][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.366861][    C2]  </IRQ>
[   16.366862][    C2]  <TASK>
[ 16.366863][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.366866][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.366871][ C2] Code: a2 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 47 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:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  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
[   16.366873][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   16.366877][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff9b38f5d9
[   16.366879][    C2] RDX: ffffed1006c266fb RSI: ffffffff9b653b60 RDI: ffffffff98b8d18f
[   16.366881][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   16.366883][    C2] R10: ffff8880361337d3 R11: ffff888001ee2818 R12: 0000000000000000
[   16.366885][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 16.366888][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.366892][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.366895][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.366898][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.366900][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.366903][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.366907][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.366911][ C2] do_idle (kernel/sched/idle.c:325) 
[ 16.366915][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.366918][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.366920][ C2] ? __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