======================================
| [   14.968252][    C0] 1 lock held by swapper/0/0:
| [ 14.968457][ C0] #0: ffffffff85f774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   14.968823][    C0]
| [   14.968823][    C0] stack backtrace:
[   14.969082][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.969084][    C0] Call Trace:
[   14.969085][    C0]  <IRQ>
[ 14.969087][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.969093][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 14.969098][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 14.969101][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 14.969106][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 14.969110][ C0] ? save_trace (kernel/locking/lockdep.c:595) 
[ 14.969116][ C0] mark_lock (kernel/locking/lockdep.c:4756) 
[ 14.969119][ C0] mark_usage (kernel/locking/lockdep.c:4645) 
[ 14.969123][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 14.969126][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.969130][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 14.969133][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.969137][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.969141][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 14.969144][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.969148][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.969151][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.969155][ C0] simple_pin_fs (fs/libfs.c:1067) 
[ 14.969168][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.969171][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 14.969177][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.969181][ C0] ? __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) 
[ 14.969187][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.969189][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.969193][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.969195][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.969200][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.969204][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.969207][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.969210][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.969213][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.969216][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 14.969219][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.969221][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 14.969224][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 14.969230][ C0] __put_net (net/core/net_namespace.c:732) 
[ 14.969233][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.969237][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.969240][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.969243][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.969247][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.969251][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.969254][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.969257][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.969262][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.969266][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 14.969271][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.969274][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.969277][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.969281][    C0]  </IRQ>
[   14.969282][    C0]  <TASK>
[ 14.969283][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.969286][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.969290][ C0] 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
[   14.969293][    C0] RSP: 0018:ffffffff85c07df8 EFLAGS: 00000242
[   14.969296][    C0] RAX: 000000000006aef1 RBX: 1ffffffff0b80fc3 RCX: ffffffff84f8f5d9
[   14.969298][    C0] RDX: 0000000000000000 RSI: ffffffff85a8f4e4 RDI: ffffffff85253be0
[   14.969300][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa
[   14.969301][    C0] R10: ffff8880360337d3 R11: ffffffff85c11288 R12: 0000000000000000
[   14.969303][    C0] R13: ffffffff85c1f240 R14: dffffc0000000000 R15: 0000000000014770
[ 14.969307][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.969312][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.969314][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.969317][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.969320][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.969324][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.969329][ C0] do_idle (kernel/sched/idle.c:325) 
[ 14.969332][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.969335][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 14.969338][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 14.969342][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 14.969346][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 14.969350][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   14.987094][    C0] RCU nest depth: 0, expected: 0
| [   14.987287][    C0] INFO: lockdep is turned off.
| [   14.987485][    C0] Preemption disabled at:
| [ 14.987486][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
[   14.987919][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.987921][    C0] Call Trace:
[   14.987923][    C0]  <IRQ>
[ 14.987924][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.987930][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 14.987937][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.987940][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.987943][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 14.987947][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.987952][ C0] ? 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) 
[ 14.987958][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 14.987960][ C0] ? 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) 
[ 14.987964][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.987969][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.987971][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 14.987977][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.987980][ C0] ? __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) 
[ 14.987985][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.987987][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.987991][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.987994][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.987999][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.988002][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.988006][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.988008][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.988011][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.988014][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 14.988016][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.988019][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 14.988021][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 14.988029][ C0] __put_net (net/core/net_namespace.c:732) 
[ 14.988032][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.988036][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.988039][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.988042][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.988047][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.988050][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.988055][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.988058][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.988063][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.988067][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 14.988073][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.988076][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.988078][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.988082][    C0]  </IRQ>
[   14.988083][    C0]  <TASK>
[ 14.988084][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.988087][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.988091][ C0] 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
[   14.988094][    C0] RSP: 0018:ffffffff85c07df8 EFLAGS: 00000242
[   14.988097][    C0] RAX: 000000000006aef1 RBX: 1ffffffff0b80fc3 RCX: ffffffff84f8f5d9
[   14.988098][    C0] RDX: 0000000000000000 RSI: ffffffff85a8f4e4 RDI: ffffffff85253be0
[   14.988100][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa
[   14.988102][    C0] R10: ffff8880360337d3 R11: ffffffff85c11288 R12: 0000000000000000
[   14.988103][    C0] R13: ffffffff85c1f240 R14: dffffc0000000000 R15: 0000000000014770
[ 14.988107][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.988112][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.988114][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.988117][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.988120][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.988124][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.988129][ C0] do_idle (kernel/sched/idle.c:325) 
[ 14.988133][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.988136][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 14.988139][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 14.988143][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 14.988148][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 14.988151][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.688716][    C1] INFO: lockdep is turned off.
| [   16.688996][    C1] Preemption disabled at:
| [ 16.688999][ C1] 0x0 
| [   16.689533][    C1] Tainted: [W]=WARN
[   16.689536][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.689539][    C1] Call Trace:
[   16.689542][    C1]  <IRQ>
[ 16.689545][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.689557][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 16.689568][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.689575][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.689580][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.689586][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.689593][ C1] ? 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) 
[ 16.689600][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.689603][ C1] ? 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) 
[ 16.689606][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.689612][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.689615][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.689621][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.689625][ C1] ? __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) 
[ 16.689630][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.689633][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.689637][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.689642][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.689647][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.689651][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.689654][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.689657][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.689659][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.689663][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 16.689665][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.689667][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.689671][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.689676][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.689680][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.689685][ C1] __put_net (net/core/net_namespace.c:732) 
[ 16.689689][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.689693][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.689696][ C1] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.689700][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.689704][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.689709][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.689714][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 16.689719][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.689722][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.689725][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.689729][    C1]  </IRQ>
[   16.689730][    C1]  <TASK>
[ 16.689731][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.689734][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.689738][ C1] 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
[   16.689742][    C1] RSP: 0000:ffffc90000137de8 EFLAGS: 00000246
[   16.689745][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff84f8f5d9
[   16.689748][    C1] RDX: ffffed1006c166fb RSI: ffffffff85253b60 RDI: ffffffff8278d18f
[   16.689749][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c166fa
[   16.689751][    C1] R10: ffff8880360b37d3 R11: ffff888001bdcad8 R12: 0000000000000000
[   16.689753][    C1] R13: ffff888001bf0040 R14: dffffc0000000000 R15: 0000000000000000
[ 16.689756][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.689760][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.689764][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.689766][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.689769][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.689772][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.689776][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.689780][ C1] do_idle (kernel/sched/idle.c:325) 
[ 16.689783][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.689786][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.689789][ C1] ? __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
schedule_preempt_disabled:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal