======================================
| [   16.238583][    C3] 1 lock held by swapper/3/0:
| [ 16.238776][ C3] #0: ffffffff99d774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   16.239113][    C3]
| [   16.239113][    C3] stack backtrace:
[   16.239351][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.239353][    C3] Call Trace:
[   16.239356][    C3]  <IRQ>
[ 16.239358][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.239365][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 16.239371][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 16.239376][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.239382][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 16.239388][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 16.239392][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 16.239395][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 16.239398][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.239402][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 16.239406][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.239410][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.239415][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.239418][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.239422][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 16.239426][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.239429][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 16.239433][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 16.239437][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.239444][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.239448][ 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) 
[ 16.239455][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.239458][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.239461][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.239464][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.239470][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.239475][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.239478][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.239481][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.239483][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.239487][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.239490][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.239492][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.239497][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.239506][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.239510][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.239515][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.239517][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.239521][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.239525][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.239528][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.239532][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.239536][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.239541][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.239546][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.239552][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.239555][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.239558][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.239562][    C3]  </IRQ>
[   16.239563][    C3]  <TASK>
[ 16.239565][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.239567][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.239572][ 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
[   16.239575][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   16.239578][    C3] RAX: 0000000000042fd5 RBX: 1ffff9200002afc1 RCX: ffffffff98d8f5d9
[   16.239580][    C3] RDX: 0000000000000000 RSI: ffffffff9988f4e4 RDI: ffffffff99053be0
[   16.239582][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   16.239583][    C3] R10: ffff8880361b37d3 R11: ffffffff99a11288 R12: 0000000000000000
[   16.239585][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.239589][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.239594][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.239596][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.239599][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.239602][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.239606][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.239610][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.239614][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.239617][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.239620][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.239625][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.255359][    C3] RCU nest depth: 0, expected: 0
| [   16.255530][    C3] INFO: lockdep is turned off.
| [   16.255708][    C3] Preemption disabled at:
| [ 16.255710][ C3] 0x0 
[   16.256022][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.256023][    C3] Call Trace:
[   16.256026][    C3]  <IRQ>
[ 16.256027][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.256036][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 16.256044][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.256048][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.256051][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.256056][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.256061][ 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) 
[ 16.256068][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.256071][ 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) 
[ 16.256074][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.256080][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.256083][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.256089][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.256092][ 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) 
[ 16.256097][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.256100][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.256103][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.256108][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.256113][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.256117][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.256120][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.256123][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.256126][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.256130][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.256132][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.256135][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.256138][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.256146][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.256150][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.256155][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.256157][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.256161][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.256167][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.256170][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.256174][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.256177][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.256182][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.256187][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.256193][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.256196][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.256198][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.256202][    C3]  </IRQ>
[   16.256203][    C3]  <TASK>
[ 16.256205][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.256208][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.256212][ 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
[   16.256214][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   16.256217][    C3] RAX: 0000000000042fd5 RBX: 1ffff9200002afc1 RCX: ffffffff98d8f5d9
[   16.256219][    C3] RDX: 0000000000000000 RSI: ffffffff9988f4e4 RDI: ffffffff99053be0
[   16.256221][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   16.256222][    C3] R10: ffff8880361b37d3 R11: ffffffff99a11288 R12: 0000000000000000
[   16.256224][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.256228][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.256232][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.256235][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.256238][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.256241][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.256245][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.256249][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.256252][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.256255][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.256258][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.256262][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   18.644930][    C2] INFO: lockdep is turned off.
| [   18.645119][    C2] Preemption disabled at:
| [ 18.645121][ C2] 0x0 
| [   18.645479][    C2] Tainted: [W]=WARN
[   18.645480][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.645483][    C2] Call Trace:
[   18.645485][    C2]  <IRQ>
[ 18.645487][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 18.645499][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 18.645508][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 18.645514][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 18.645517][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 18.645523][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.645530][ 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) 
[ 18.645537][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 18.645540][ 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) 
[ 18.645543][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 18.645550][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 18.645553][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 18.645560][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 18.645564][ 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) 
[ 18.645571][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.645575][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 18.645579][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 18.645585][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 18.645592][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.645596][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.645600][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.645603][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.645605][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.645611][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 18.645614][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.645618][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.645624][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 18.645631][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 18.645639][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.645643][ C2] __put_net (net/core/net_namespace.c:732) 
[ 18.645649][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 18.645653][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.645656][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.645661][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 18.645665][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.645669][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 18.645675][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 18.645680][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 18.645683][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 18.645686][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   18.645690][    C2]  </IRQ>
[   18.645691][    C2]  <TASK>
[ 18.645693][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.645696][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.645700][ 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
[   18.645703][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   18.645707][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff98d8f5d9
[   18.645709][    C2] RDX: ffffed1006c266fb RSI: ffffffff99053b60 RDI: ffffffff9658d18f
[   18.645711][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   18.645713][    C2] R10: ffff8880361337d3 R11: ffff888001bdcad8 R12: 0000000000000000
[   18.645715][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 18.645719][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 18.645723][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.645727][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.645730][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.645732][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.645735][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 18.645740][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 18.645744][ C2] do_idle (kernel/sched/idle.c:325) 
[ 18.645747][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.645750][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.645753][ 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