======================================
| [   14.949858][    C3] 1 lock held by swapper/3/0:
| [ 14.950041][ C3] #0: ffffffffa8b774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   14.950368][    C3]
| [   14.950368][    C3] stack backtrace:
[   14.950601][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.950604][    C3] Call Trace:
[   14.950606][    C3]  <IRQ>
[ 14.950608][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.950616][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 14.950620][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 14.950625][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 14.950631][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 14.950637][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 14.950641][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 14.950644][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 14.950647][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.950651][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 14.950654][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.950658][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.950663][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 14.950666][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.950670][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.950673][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.950676][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 14.950680][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.950683][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 14.950691][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.950695][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.950703][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.950706][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.950709][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.950712][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.950718][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.950722][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.950725][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.950728][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.950730][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.950735][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.950737][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.950740][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.950744][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.950753][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.950758][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.950762][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.950764][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.950767][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.950771][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.950774][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.950778][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.950781][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.950786][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.950790][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.950795][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.950798][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.950801][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.950804][    C3]  </IRQ>
[   14.950805][    C3]  <TASK>
[ 14.950807][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.950809][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.950813][ C3] Code: a2 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 10 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   14.950816][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   14.950819][    C3] RAX: 0000000000046b4f RBX: 1ffff9200002afc1 RCX: ffffffffa7b8f5d9
[   14.950821][    C3] RDX: 0000000000000000 RSI: ffffffffa868f4e4 RDI: ffffffffa7e53be0
[   14.950823][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.950824][    C3] R10: ffff8880361b37d3 R11: ffffffffa8811288 R12: 0000000000000000
[   14.950826][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.950829][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.950834][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.950837][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.950839][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.950842][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.950846][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.950851][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.950854][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.950857][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.950860][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.950864][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   14.966456][    C3] RCU nest depth: 0, expected: 0
| [   14.966634][    C3] INFO: lockdep is turned off.
| [   14.966809][    C3] Preemption disabled at:
| [ 14.966810][ C3] 0x0 
[   14.967116][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.967118][    C3] Call Trace:
[   14.967119][    C3]  <IRQ>
[ 14.967121][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.967127][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 14.967135][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.967139][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.967142][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 14.967145][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.967151][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 14.967156][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 14.967159][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 14.967162][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.967167][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.967170][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 14.967175][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.967178][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.967182][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.967185][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.967188][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.967191][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.967196][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.967199][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.967202][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.967205][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.967207][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.967211][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.967213][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.967216][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.967219][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.967224][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.967228][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.967232][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.967234][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.967237][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.967242][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.967246][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.967250][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.967253][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.967257][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.967262][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.967267][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.967270][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.967272][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.967276][    C3]  </IRQ>
[   14.967277][    C3]  <TASK>
[ 14.967279][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.967281][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.967285][ C3] Code: a2 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 10 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   14.967287][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   14.967290][    C3] RAX: 0000000000046b4f RBX: 1ffff9200002afc1 RCX: ffffffffa7b8f5d9
[   14.967292][    C3] RDX: 0000000000000000 RSI: ffffffffa868f4e4 RDI: ffffffffa7e53be0
[   14.967293][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.967295][    C3] R10: ffff8880361b37d3 R11: ffffffffa8811288 R12: 0000000000000000
[   14.967297][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.967300][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.967305][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.967307][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.967310][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.967313][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.967316][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.967320][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.967324][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.967326][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.967329][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.967334][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.706507][    C2] INFO: lockdep is turned off.
| [   16.706694][    C2] Preemption disabled at:
| [ 16.706696][ C2] 0x0 
| [   16.707057][    C2] Tainted: [W]=WARN
[   16.707059][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.707060][    C2] Call Trace:
[   16.707062][    C2]  <IRQ>
[ 16.707064][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.707074][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 16.707081][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.707086][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.707089][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.707093][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.707098][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 16.707104][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.707107][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 16.707110][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.707115][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.707118][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.707125][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.707128][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.707133][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.707136][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.707139][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.707144][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.707149][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.707153][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.707156][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.707159][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.707161][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.707165][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 16.707167][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.707169][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.707172][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.707178][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.707183][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.707187][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.707191][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.707195][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.707197][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.707202][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.707205][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.707212][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.707218][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.707222][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.707228][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.707230][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.707233][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.707237][    C2]  </IRQ>
[   16.707238][    C2]  <TASK>
[ 16.707239][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.707242][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.707246][ C2] Code: a2 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 10 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   16.707249][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   16.707252][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffa7b8f5d9
[   16.707254][    C2] RDX: ffffed1006c266fb RSI: ffffffffa7e53b60 RDI: ffffffffa538d18f
[   16.707256][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   16.707258][    C2] R10: ffff8880361337d3 R11: ffffffffab4f0748 R12: 0000000000000000
[   16.707260][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 16.707263][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.707266][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.707270][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.707273][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.707275][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.707278][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.707282][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.707286][ C2] do_idle (kernel/sched/idle.c:325) 
[ 16.707289][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.707292][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.707295][ 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