======================================
| [   14.613948][    C3] 1 lock held by swapper/3/0:
| [ 14.614170][ C3] #0: ffffffffa1f774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   14.614562][    C3]
| [   14.614562][    C3] stack backtrace:
[   14.614843][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.614845][    C3] Call Trace:
[   14.614847][    C3]  <IRQ>
[ 14.614849][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.614856][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 14.614861][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 14.614865][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 14.614870][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 14.614875][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 14.614879][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 14.614882][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 14.614885][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.614889][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 14.614893][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.614898][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.614902][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 14.614905][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.614909][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.614913][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.614916][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 14.614920][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.614924][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 14.614930][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.614933][ 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) 
[ 14.614939][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.614941][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.614945][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.614948][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.614952][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.614955][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.614959][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.614961][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.614964][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.614967][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.614970][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.614972][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.614975][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.614983][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.614986][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.614990][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.614993][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.614996][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.615000][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.615004][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.615007][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.615010][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.615015][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.615019][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.615024][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.615028][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.615030][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.615034][    C3]  </IRQ>
[   14.615035][    C3]  <TASK>
[ 14.615037][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.615040][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.615044][ 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
[   14.615047][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   14.615050][    C3] RAX: 0000000000033871 RBX: 1ffff9200002afc1 RCX: ffffffffa0f8f5d9
[   14.615052][    C3] RDX: 0000000000000000 RSI: ffffffffa1a8f4e4 RDI: ffffffffa1253be0
[   14.615054][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.615055][    C3] R10: ffff8880361b37d3 R11: ffffffffa1c11288 R12: 0000000000000000
[   14.615057][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.615061][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.615065][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.615068][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.615071][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.615074][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.615077][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.615082][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.615085][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.615088][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.615091][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.615096][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   14.634003][    C3] RCU nest depth: 0, expected: 0
| [   14.634211][    C3] INFO: lockdep is turned off.
| [   14.634427][    C3] Preemption disabled at:
| [ 14.634429][ C3] 0x0 
[   14.634910][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.634911][    C3] Call Trace:
[   14.634913][    C3]  <IRQ>
[ 14.634915][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.634921][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 14.634929][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.634933][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.634936][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 14.634939][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.634944][ 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) 
[ 14.634949][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 14.634952][ 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) 
[ 14.634955][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.634960][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.634963][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 14.634968][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.634971][ 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) 
[ 14.634976][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.634979][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.634983][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.634987][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.634991][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.634995][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.634999][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.635001][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.635004][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.635007][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.635009][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.635012][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.635015][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.635021][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.635024][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.635028][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.635031][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.635034][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.635039][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.635042][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.635046][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.635049][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.635054][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.635058][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.635064][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.635067][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.635069][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.635073][    C3]  </IRQ>
[   14.635074][    C3]  <TASK>
[ 14.635075][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.635078][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.635082][ 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
[   14.635085][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   14.635087][    C3] RAX: 0000000000033871 RBX: 1ffff9200002afc1 RCX: ffffffffa0f8f5d9
[   14.635089][    C3] RDX: 0000000000000000 RSI: ffffffffa1a8f4e4 RDI: ffffffffa1253be0
[   14.635091][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.635093][    C3] R10: ffff8880361b37d3 R11: ffffffffa1c11288 R12: 0000000000000000
[   14.635094][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.635098][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.635104][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.635109][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.635113][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.635118][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.635125][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.635130][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.635134][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.635136][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.635139][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.635144][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.189327][    C2] INFO: lockdep is turned off.
| [   16.189510][    C2] Preemption disabled at:
| [ 16.189512][ C2] 0x0 
| [   16.189843][    C2] Tainted: [W]=WARN
[   16.189844][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.189846][    C2] Call Trace:
[   16.189848][    C2]  <IRQ>
[ 16.189850][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.189859][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 16.189866][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.189870][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.189873][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.189877][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.189882][ 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) 
[ 16.189888][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.189891][ 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) 
[ 16.189895][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.189901][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.189905][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.189910][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.189914][ 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) 
[ 16.189920][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.189923][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.189926][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.189931][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.189936][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.189940][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.189943][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.189946][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.189949][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.189952][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 16.189954][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.189957][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.189960][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.189966][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.189970][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.189974][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.189978][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.189982][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.189984][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.189989][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.189992][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.189999][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.190005][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.190009][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.190015][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.190018][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.190020][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.190024][    C2]  </IRQ>
[   16.190025][    C2]  <TASK>
[ 16.190027][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.190030][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.190034][ 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
[   16.190037][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   16.190040][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffa0f8f5d9
[   16.190042][    C2] RDX: ffffed1006c266fb RSI: ffffffffa1253b60 RDI: ffffffff9e78d18f
[   16.190044][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   16.190046][    C2] R10: ffff8880361337d3 R11: ffffc900001479c0 R12: 0000000000000000
[   16.190048][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 16.190052][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.190055][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.190059][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.190062][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.190064][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.190067][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.190071][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.190075][ C2] do_idle (kernel/sched/idle.c:325) 
[ 16.190079][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.190082][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.190085][ 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