======================================
| [   15.856303][    C3] 1 lock held by swapper/3/0:
| [ 15.856504][ C3] #0: ffffffff879774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.856859][    C3]
| [   15.856859][    C3] stack backtrace:
[   15.857112][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.857114][    C3] Call Trace:
[   15.857117][    C3]  <IRQ>
[ 15.857119][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.857127][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.857132][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.857137][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.857142][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.857149][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.857153][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.857156][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.857159][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.857163][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.857166][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.857170][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.857175][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.857178][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.857183][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.857186][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.857190][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 15.857194][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.857198][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 15.857205][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.857209][ 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) 
[ 15.857217][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.857219][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.857223][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.857226][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.857232][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.857237][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.857240][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.857243][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.857245][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.857249][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.857252][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.857254][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.857259][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.857267][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.857272][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.857276][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.857279][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.857282][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.857286][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.857290][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.857293][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.857296][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.857301][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.857307][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.857312][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.857315][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.857318][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.857322][    C3]  </IRQ>
[   15.857323][    C3]  <TASK>
[ 15.857325][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.857328][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.857332][ 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
[   15.857335][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.857338][    C3] RAX: 0000000000037dbd RBX: 1ffff9200002afc1 RCX: ffffffff8698f5d9
[   15.857340][    C3] RDX: 0000000000000000 RSI: ffffffff8748f4e4 RDI: ffffffff86c53be0
[   15.857342][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.857344][    C3] R10: ffff8880361b37d3 R11: ffffffff87611288 R12: 0000000000000000
[   15.857345][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.857349][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.857354][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.857356][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.857359][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.857363][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.857366][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.857371][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.857374][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.857377][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.857381][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.857385][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.873691][    C3] RCU nest depth: 0, expected: 0
| [   15.873879][    C3] INFO: lockdep is turned off.
| [   15.874064][    C3] Preemption disabled at:
| [ 15.874066][ C3] 0x0 
[   15.874386][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.874388][    C3] Call Trace:
[   15.874390][    C3]  <IRQ>
[ 15.874392][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.874400][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 15.874409][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.874414][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.874417][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.874421][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.874427][ 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) 
[ 15.874434][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.874437][ 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) 
[ 15.874440][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.874447][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.874449][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 15.874456][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.874459][ 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) 
[ 15.874465][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.874468][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.874471][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.874477][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.874482][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.874487][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.874490][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.874493][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.874495][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.874500][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.874502][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.874505][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.874508][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.874515][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.874519][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.874523][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.874525][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.874529][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.874535][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.874538][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.874543][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.874546][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.874551][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.874556][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.874561][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.874564][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.874567][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.874571][    C3]  </IRQ>
[   15.874572][    C3]  <TASK>
[ 15.874574][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.874577][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.874581][ 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
[   15.874583][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.874586][    C3] RAX: 0000000000037dbd RBX: 1ffff9200002afc1 RCX: ffffffff8698f5d9
[   15.874588][    C3] RDX: 0000000000000000 RSI: ffffffff8748f4e4 RDI: ffffffff86c53be0
[   15.874590][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.874592][    C3] R10: ffff8880361b37d3 R11: ffffffff87611288 R12: 0000000000000000
[   15.874593][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.874597][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.874602][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.874604][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.874607][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.874610][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.874614][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.874618][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.874622][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.874625][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.874627][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.874632][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   17.672565][    C2] INFO: lockdep is turned off.
| [   17.672748][    C2] Preemption disabled at:
| [ 17.672750][ C2] 0x0 
| [   17.673090][    C2] Tainted: [W]=WARN
[   17.673092][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.673094][    C2] Call Trace:
[   17.673096][    C2]  <IRQ>
[ 17.673099][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.673111][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 17.673121][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 17.673127][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 17.673129][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 17.673135][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.673143][ 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) 
[ 17.673151][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 17.673154][ 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) 
[ 17.673157][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 17.673164][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 17.673167][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 17.673176][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 17.673179][ 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) 
[ 17.673188][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.673192][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 17.673195][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 17.673202][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 17.673209][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.673214][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.673217][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.673220][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.673223][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.673227][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 17.673230][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.673232][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.673237][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 17.673245][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 17.673249][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.673254][ C2] __put_net (net/core/net_namespace.c:732) 
[ 17.673259][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.673263][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.673265][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.673270][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 17.673273][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 17.673279][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.673285][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 17.673291][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 17.673296][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 17.673299][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 17.673302][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   17.673306][    C2]  </IRQ>
[   17.673307][    C2]  <TASK>
[ 17.673309][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.673312][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.673316][ 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
[   17.673319][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   17.673323][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff8698f5d9
[   17.673325][    C2] RDX: ffffed1006c266fb RSI: ffffffff86c53b60 RDI: ffffffff8418d18f
[   17.673327][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   17.673329][    C2] R10: ffff8880361337d3 R11: ffff8880126ccad8 R12: 0000000000000000
[   17.673330][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 17.673334][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 17.673338][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.673342][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.673344][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.673347][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.673350][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 17.673354][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 17.673359][ C2] do_idle (kernel/sched/idle.c:325) 
[ 17.673362][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.673365][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.673368][ 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