======================================
| [   16.044175][    C3] 1 lock held by swapper/3/0:
| [ 16.044412][ C3] #0: ffffffff9178b540 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   16.044860][    C3]
| [   16.044860][    C3] stack backtrace:
[   16.045168][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.045172][    C3] Call Trace:
[   16.045175][    C3]  <IRQ>
[ 16.045178][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.045186][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 16.045191][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 16.045194][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.045201][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.045206][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 16.045213][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 16.045216][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 16.045219][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 16.045224][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 16.045227][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.045234][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.045239][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.045243][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.045250][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 16.045254][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.045257][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 16.045260][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 16.045265][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.045271][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.045273][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.045279][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 16.045283][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.045285][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.045289][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.045293][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.045298][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.045301][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.045303][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.045306][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.045310][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.045312][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.045314][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.045321][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.045330][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.045338][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.045343][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.045347][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 16.045351][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.045356][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.045360][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.045364][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.045368][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.045372][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.045378][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 16.045383][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.045386][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.045388][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.045391][    C3]  </IRQ>
[   16.045392][    C3]  <TASK>
[ 16.045394][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.045397][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.045401][ C3] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[   16.045405][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.045410][    C3] RAX: 00000000000380bd RBX: 1ffff9200002afc1 RCX: ffffffff9006a5f9
[   16.045414][    C3] RDX: 0000000000000000 RSI: ffffffff90d15cea RDI: ffffffff904568c0
[   16.045416][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9f66fa
[   16.045419][    C3] R10: ffff88806cfb37d3 R11: ffffffff91411288 R12: 0000000000000000
[   16.045423][    C3] R13: ffff888001b645c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.045428][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.045434][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.045436][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.045439][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.045442][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.045447][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.045454][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.045460][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.045465][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.045469][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.045477][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.062389][    C3] RCU nest depth: 0, expected: 0
| [   16.062591][    C3] INFO: lockdep is turned off.
| [   16.062788][    C3] Preemption disabled at:
| [ 16.062790][ C3] 0x0 
[   16.063166][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.063169][    C3] Call Trace:
[   16.063172][    C3]  <IRQ>
[ 16.063175][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.063188][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 16.063198][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.063202][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.063205][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.063210][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.063216][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 16.063222][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.063225][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 16.063229][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.063240][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.063245][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.063252][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.063255][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.063261][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 16.063267][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.063269][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.063274][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.063279][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.063284][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.063287][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.063290][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.063292][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.063295][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.063297][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.063300][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.063305][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.063312][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.063318][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.063322][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.063326][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 16.063333][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.063341][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.063348][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.063353][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.063356][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.063361][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.063366][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 16.063371][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.063375][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.063378][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.063381][    C3]  </IRQ>
[   16.063382][    C3]  <TASK>
[ 16.063384][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.063386][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.063391][ C3] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[   16.063393][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.063397][    C3] RAX: 00000000000380bd RBX: 1ffff9200002afc1 RCX: ffffffff9006a5f9
[   16.063399][    C3] RDX: 0000000000000000 RSI: ffffffff90d15cea RDI: ffffffff904568c0
[   16.063401][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9f66fa
[   16.063402][    C3] R10: ffff88806cfb37d3 R11: ffffffff91411288 R12: 0000000000000000
[   16.063404][    C3] R13: ffff888001b645c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.063408][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.063413][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.063416][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.063418][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.063421][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.063424][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.063428][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.063431][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.063434][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.063438][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.063443][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   17.300295][    C3] INFO: lockdep is turned off.
| [   17.300595][    C3] Preemption disabled at:
| [ 17.300599][ C3] 0x0 
| [   17.301161][    C3] Tainted: [W]=WARN
[   17.301163][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.301167][    C3] Call Trace:
[   17.301170][    C3]  <IRQ>
[ 17.301174][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.301189][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 17.301202][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 17.301209][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 17.301214][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 17.301221][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.301230][ 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) 
[ 17.301239][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 17.301244][ 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) 
[ 17.301249][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 17.301262][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 17.301267][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 17.301275][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 17.301281][ 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) 
[ 17.301288][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 17.301296][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 17.301300][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 17.301308][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 17.301315][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.301321][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.301326][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.301331][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.301334][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.301340][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 17.301343][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.301348][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.301355][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 17.301364][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 17.301371][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.301378][ C3] __put_net (net/core/net_namespace.c:732) 
[ 17.301386][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.301393][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.301398][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 17.301409][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 17.301417][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.301425][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 17.301433][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 17.301442][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 17.301447][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 17.301452][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   17.301458][    C3]  </IRQ>
[   17.301460][    C3]  <TASK>
[ 17.301463][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.301468][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.301475][ C3] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[   17.301480][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   17.301487][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff9006a5f9
[   17.301491][    C3] RDX: ffffed100d9f66fb RSI: ffffffff90456840 RDI: ffffffff8d599f6f
[   17.301494][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9f66fa
[   17.301497][    C3] R10: ffff88806cfb37d3 R11: ffff888001b4cad8 R12: 0000000000000000
[   17.301500][    C3] R13: ffff888001b645c0 R14: dffffc0000000000 R15: 0000000000000000
[ 17.301508][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 17.301515][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.301521][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.301526][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.301530][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.301536][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 17.301543][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 17.301550][ C3] do_idle (kernel/sched/idle.c:325) 
[ 17.301556][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.301561][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.301567][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 17.301577][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   18.535135][    C3] INFO: lockdep is turned off.
| [   18.535323][    C3] Preemption disabled at:
| [ 18.535325][ C3] 0x0 
| [   18.535673][    C3] Tainted: [W]=WARN
[   18.535674][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.535677][    C3] Call Trace:
[   18.535679][    C3]  <IRQ>
[ 18.535682][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 18.535693][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 18.535703][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 18.535708][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 18.535710][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 18.535716][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.535722][ 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) 
[ 18.535729][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 18.535732][ 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) 
[ 18.535735][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 18.535744][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 18.535747][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 18.535754][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 18.535757][ 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) 
[ 18.535763][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 18.535768][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 18.535771][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 18.535777][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 18.535782][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.535787][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.535790][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.535793][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.535796][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.535799][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 18.535802][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.535804][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.535810][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 18.535818][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 18.535823][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.535828][ C3] __put_net (net/core/net_namespace.c:732) 
[ 18.535834][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 18.535837][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.535841][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 18.535847][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 18.535851][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 18.535856][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.535863][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 18.535868][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 18.535873][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 18.535876][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 18.535879][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   18.535882][    C3]  </IRQ>
[   18.535883][    C3]  <TASK>
[ 18.535885][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.535888][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.535892][ C3] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   18.535895][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   18.535899][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff9006a5f9
[   18.535901][    C3] RDX: ffffed100d9f66fb RSI: ffffffff90456840 RDI: ffffffff8d599f6f
[   18.535903][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9f66fa
[   18.535905][    C3] R10: ffff88806cfb37d3 R11: ffff88800e1bcad8 R12: 0000000000000000
[   18.535907][    C3] R13: ffff888001b645c0 R14: dffffc0000000000 R15: 0000000000000000
[ 18.535911][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 18.535915][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.535919][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.535921][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.535923][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.535926][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 18.535930][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 18.535934][ C3] do_idle (kernel/sched/idle.c:325) 
[ 18.535937][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.535940][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.535944][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 18.535949][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   19.769727][    C3] INFO: lockdep is turned off.
| [   19.769927][    C3] Preemption disabled at:
| [ 19.769929][ C3] 0x0 
| [   19.770281][    C3] Tainted: [W]=WARN
[   19.770283][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.770286][    C3] Call Trace:
[   19.770288][    C3]  <IRQ>
[ 19.770291][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 19.770303][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 19.770313][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 19.770317][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 19.770320][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 19.770326][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.770332][ 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) 
[ 19.770338][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 19.770341][ 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) 
[ 19.770344][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 19.770352][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 19.770356][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 19.770362][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 19.770365][ 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) 
[ 19.770370][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 19.770376][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 19.770379][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 19.770385][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 19.770391][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.770395][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.770399][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.770402][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.770404][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.770407][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 19.770409][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.770412][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 19.770418][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 19.770423][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 19.770429][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.770433][ C3] __put_net (net/core/net_namespace.c:732) 
[ 19.770440][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 19.770443][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 19.770446][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 19.770452][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 19.770456][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 19.770462][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.770468][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 19.770474][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 19.770479][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 19.770482][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 19.770485][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   19.770488][    C3]  </IRQ>
[   19.770489][    C3]  <TASK>
[ 19.770491][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.770494][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 19.770498][ C3] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[   19.770501][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   19.770505][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff9006a5f9
[   19.770507][    C3] RDX: ffffed100d9f66fb RSI: ffffffff90456840 RDI: ffffffff8d599f6f
[   19.770509][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9f66fa
[   19.770511][    C3] R10: ffff88806cfb37d3 R11: ffffc900001579c0 R12: 0000000000000000
[   19.770512][    C3] R13: ffff888001b645c0 R14: dffffc0000000000 R15: 0000000000000000
[ 19.770516][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 19.770520][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.770524][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 19.770526][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 19.770528][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 19.770531][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 19.770534][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 19.770539][ C3] do_idle (kernel/sched/idle.c:325) 
[ 19.770542][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 19.770545][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 19.770549][ C3] ? __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