======================================
| [   19.267219][    C3] 1 lock held by swapper/3/0:
| [ 19.267419][ C3] #0: ffffffffa33774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   19.267783][    C3]
| [   19.267783][    C3] stack backtrace:
[   19.268043][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.268046][    C3] Call Trace:
[   19.268047][    C3]  <IRQ>
[ 19.268050][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 19.268057][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 19.268062][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 19.268067][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 19.268072][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 19.268078][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 19.268081][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 19.268084][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 19.268087][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.268092][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 19.268095][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 19.268100][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.268104][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 19.268106][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 19.268111][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 19.268114][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 19.268117][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 19.268121][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 19.268126][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 19.268132][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 19.268135][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.268141][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.268144][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 19.268147][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 19.268150][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 19.268155][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.268159][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.268162][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.268165][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.268167][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.268171][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 19.268173][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.268176][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 19.268180][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 19.268187][ C3] __put_net (net/core/net_namespace.c:732) 
[ 19.268191][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.268195][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.268197][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.268201][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.268205][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 19.268208][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.268212][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.268215][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.268219][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 19.268224][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 19.268229][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 19.268232][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 19.268235][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   19.268239][    C3]  </IRQ>
[   19.268240][    C3]  <TASK>
[ 19.268241][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.268244][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.268248][ 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
[   19.268251][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   19.268254][    C3] RAX: 000000000004729f RBX: 1ffff9200002afc1 RCX: ffffffffa238f5d9
[   19.268256][    C3] RDX: 0000000000000000 RSI: ffffffffa2e8f4e4 RDI: ffffffffa2653be0
[   19.268258][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   19.268260][    C3] R10: ffff8880361b37d3 R11: ffffffffa3011288 R12: 0000000000000000
[   19.268262][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 19.268266][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 19.268271][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.268273][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.268276][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.268279][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 19.268283][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 19.268288][ C3] do_idle (kernel/sched/idle.c:325) 
[ 19.268291][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.268294][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 19.268297][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 19.268301][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   19.286687][    C3] RCU nest depth: 0, expected: 0
| [   19.286939][    C3] INFO: lockdep is turned off.
| [   19.287161][    C3] Preemption disabled at:
| [ 19.287164][ C3] 0x0 
[   19.287548][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.287551][    C3] Call Trace:
[   19.287553][    C3]  <IRQ>
[ 19.287556][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 19.287565][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 19.287571][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 19.287576][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 19.287579][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 19.287583][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.287588][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 19.287594][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 19.287597][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 19.287600][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 19.287605][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 19.287608][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 19.287615][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 19.287618][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.287625][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.287628][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 19.287631][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 19.287636][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 19.287641][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.287645][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.287649][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.287651][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.287654][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.287658][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 19.287660][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.287662][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 19.287666][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 19.287674][ C3] __put_net (net/core/net_namespace.c:732) 
[ 19.287678][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.287682][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.287684][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.287688][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.287693][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 19.287697][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.287701][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.287704][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.287709][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 19.287713][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 19.287719][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 19.287722][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 19.287724][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   19.287728][    C3]  </IRQ>
[   19.287730][    C3]  <TASK>
[ 19.287732][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.287736][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.287742][ 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
[   19.287746][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   19.287751][    C3] RAX: 000000000004729f RBX: 1ffff9200002afc1 RCX: ffffffffa238f5d9
[   19.287754][    C3] RDX: 0000000000000000 RSI: ffffffffa2e8f4e4 RDI: ffffffffa2653be0
[   19.287757][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   19.287760][    C3] R10: ffff8880361b37d3 R11: ffffffffa3011288 R12: 0000000000000000
[   19.287763][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 19.287769][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 19.287777][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.287781][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.287786][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.287790][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 19.287796][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 19.287803][ C3] do_idle (kernel/sched/idle.c:325) 
[ 19.287809][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.287812][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 19.287815][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 19.287819][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   24.253562][    C2] INFO: lockdep is turned off.
| [   24.253781][    C2] Preemption disabled at:
| [ 24.253783][ C2] 0x0 
| [   24.254168][    C2] Tainted: [W]=WARN
[   24.254169][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.254172][    C2] Call Trace:
[   24.254174][    C2]  <IRQ>
[ 24.254177][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 24.254188][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 24.254197][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 24.254203][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 24.254206][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 24.254212][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.254218][ 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) 
[ 24.254225][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 24.254228][ 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) 
[ 24.254232][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 24.254238][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 24.254242][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 24.254249][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 24.254253][ 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) 
[ 24.254261][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 24.254265][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 24.254268][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 24.254275][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 24.254281][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 24.254286][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 24.254289][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 24.254292][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 24.254295][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 24.254299][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 24.254302][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 24.254304][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 24.254309][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 24.254316][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 24.254321][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.254325][ C2] __put_net (net/core/net_namespace.c:732) 
[ 24.254330][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 24.254335][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 24.254337][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 24.254342][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 24.254346][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 24.254353][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.254360][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 24.254366][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 24.254371][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 24.254374][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 24.254377][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   24.254381][    C2]  </IRQ>
[   24.254382][    C2]  <TASK>
[ 24.254383][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 24.254386][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 24.254391][ 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
[   24.254394][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   24.254398][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffa238f5d9
[   24.254400][    C2] RDX: ffffed1006c266fb RSI: ffffffffa2653b60 RDI: ffffffff9fb8d18f
[   24.254402][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   24.254404][    C2] R10: ffff8880361337d3 R11: ffffffffa5d4c488 R12: 0000000000000000
[   24.254406][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 24.254410][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 24.254413][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 24.254417][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 24.254419][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 24.254422][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 24.254425][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 24.254429][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 24.254434][ C2] do_idle (kernel/sched/idle.c:325) 
[ 24.254437][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 24.254440][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 24.254443][ 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