======================================
| [   16.895207][    C3] 1 lock held by swapper/3/0:
| [ 16.895403][ C3] #0: ffffffffb15774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   16.895750][    C3]
| [   16.895750][    C3] stack backtrace:
[   16.895990][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.895992][    C3] Call Trace:
[   16.895994][    C3]  <IRQ>
[ 16.895996][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.896003][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 16.896007][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 16.896012][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.896017][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 16.896022][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 16.896026][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 16.896029][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 16.896033][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.896037][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 16.896040][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.896044][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.896048][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.896051][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.896055][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 16.896058][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.896062][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 16.896066][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 16.896069][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.896075][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.896078][ 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) 
[ 16.896084][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.896087][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.896090][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.896093][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.896098][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.896101][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.896105][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.896107][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.896110][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.896113][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.896116][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.896118][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.896122][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.896129][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.896133][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.896137][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.896139][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.896143][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.896147][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.896150][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.896154][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.896156][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.896161][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.896166][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.896171][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.896174][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.896177][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.896180][    C3]  </IRQ>
[   16.896181][    C3]  <TASK>
[ 16.896183][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.896186][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.896190][ 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
[   16.896193][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.896196][    C3] RAX: 0000000000045e59 RBX: 1ffff9200002afc1 RCX: ffffffffb058f5d9
[   16.896198][    C3] RDX: 0000000000000000 RSI: ffffffffb108f4e4 RDI: ffffffffb0853be0
[   16.896200][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   16.896202][    C3] R10: ffff8880361b37d3 R11: ffffffffb1211288 R12: 0000000000000000
[   16.896203][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.896207][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.896212][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.896215][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.896217][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.896220][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.896224][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.896229][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.896232][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.896235][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.896238][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.896242][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.912395][    C3] RCU nest depth: 0, expected: 0
| [   16.912575][    C3] INFO: lockdep is turned off.
| [   16.912766][    C3] Preemption disabled at:
| [ 16.912768][ C3] 0x0 
[   16.913091][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.913093][    C3] Call Trace:
[   16.913094][    C3]  <IRQ>
[ 16.913096][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.913102][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 16.913108][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.913112][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.913115][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.913119][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.913124][ 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) 
[ 16.913129][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.913132][ 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) 
[ 16.913135][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.913140][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.913143][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.913148][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.913151][ 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) 
[ 16.913155][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.913158][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.913161][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.913165][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.913170][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.913173][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.913177][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.913179][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.913182][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.913185][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.913187][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.913189][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.913192][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.913198][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.913201][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.913206][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.913208][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.913211][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.913216][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.913220][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.913224][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.913226][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.913231][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.913235][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.913240][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.913243][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.913246][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.913250][    C3]  </IRQ>
[   16.913251][    C3]  <TASK>
[ 16.913252][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.913255][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.913259][ 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
[   16.913261][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.913264][    C3] RAX: 0000000000045e59 RBX: 1ffff9200002afc1 RCX: ffffffffb058f5d9
[   16.913266][    C3] RDX: 0000000000000000 RSI: ffffffffb108f4e4 RDI: ffffffffb0853be0
[   16.913267][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   16.913269][    C3] R10: ffff8880361b37d3 R11: ffffffffb1211288 R12: 0000000000000000
[   16.913271][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.913275][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.913280][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.913282][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.913285][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.913288][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.913292][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.913296][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.913299][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.913302][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.913305][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.913309][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   19.490981][    C2] INFO: lockdep is turned off.
| [   19.491190][    C2] Preemption disabled at:
| [ 19.491192][ C2] 0x0 
| [   19.491569][    C2] Tainted: [W]=WARN
[   19.491571][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.491573][    C2] Call Trace:
[   19.491575][    C2]  <IRQ>
[ 19.491578][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 19.491589][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 19.491598][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 19.491604][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 19.491607][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 19.491613][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.491619][ 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) 
[ 19.491626][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 19.491629][ 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) 
[ 19.491632][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 19.491642][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 19.491646][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 19.491656][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 19.491661][ 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) 
[ 19.491669][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.491673][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 19.491677][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 19.491683][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 19.491689][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.491694][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.491697][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.491700][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.491703][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.491708][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 19.491710][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.491713][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 19.491717][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 19.491724][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 19.491729][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.491733][ C2] __put_net (net/core/net_namespace.c:732) 
[ 19.491738][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.491742][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.491744][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.491749][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 19.491753][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 19.491760][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.491767][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 19.491772][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 19.491778][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 19.491781][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 19.491784][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   19.491788][    C2]  </IRQ>
[   19.491789][    C2]  <TASK>
[ 19.491791][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.491794][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.491799][ 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
[   19.491802][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   19.491806][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb058f5d9
[   19.491808][    C2] RDX: ffffed1006c266fb RSI: ffffffffb0853b60 RDI: ffffffffadd8d18f
[   19.491810][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   19.491812][    C2] R10: ffff8880361337d3 R11: ffff88800b644ad8 R12: 0000000000000000
[   19.491814][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 19.491818][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 19.491821][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.491825][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.491828][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.491831][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.491833][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 19.491838][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 19.491842][ C2] do_idle (kernel/sched/idle.c:325) 
[ 19.491845][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.491848][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 19.491851][ 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