======================================
| [   15.352601][    C3] 1 lock held by swapper/3/0:
| [ 15.352803][ C3] #0: ffffffffb09774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.353162][    C3]
| [   15.353162][    C3] stack backtrace:
[   15.353421][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.353423][    C3] Call Trace:
[   15.353426][    C3]  <IRQ>
[ 15.353428][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.353435][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.353440][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.353445][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.353451][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.353457][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.353461][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.353464][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.353467][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.353471][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.353474][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.353478][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.353483][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.353486][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.353491][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.353494][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.353497][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 15.353501][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.353504][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.353512][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.353516][ 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) 
[ 15.353523][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.353525][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.353529][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.353532][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.353538][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.353542][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.353545][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.353548][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.353550][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.353554][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.353557][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.353559][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.353563][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.353572][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.353577][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.353581][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.353584][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.353587][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.353592][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.353595][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.353599][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.353602][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.353607][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.353612][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.353617][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.353620][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.353623][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.353626][    C3]  </IRQ>
[   15.353628][    C3]  <TASK>
[ 15.353629][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.353632][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.353636][ C3] Code: 92 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 37 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:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 83 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  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
[   15.353640][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   15.353643][    C3] RAX: 0000000000038fe9 RBX: 1ffff9200002afc1 RCX: ffffffffaf9905d9
[   15.353645][    C3] RDX: 0000000000000000 RSI: ffffffffb048f4e4 RDI: ffffffffafc53be0
[   15.353647][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.353648][    C3] R10: ffff8880361b37d3 R11: ffffffffb0611288 R12: 0000000000000000
[   15.353650][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.353654][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.353659][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.353661][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.353664][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.353667][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.353671][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.353675][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.353679][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.353682][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.353685][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.353689][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.370577][    C3] RCU nest depth: 0, expected: 0
| [   15.370775][    C3] INFO: lockdep is turned off.
| [   15.370963][    C3] Preemption disabled at:
| [ 15.370965][ C3] 0x0 
[   15.371297][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.371298][    C3] Call Trace:
[   15.371300][    C3]  <IRQ>
[ 15.371302][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.371311][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 15.371318][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.371323][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.371326][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.371330][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.371337][ 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) 
[ 15.371344][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.371347][ 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) 
[ 15.371350][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.371356][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.371359][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.371365][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.371369][ 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) 
[ 15.371375][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.371378][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.371381][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.371386][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.371391][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.371395][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.371399][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.371402][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.371404][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.371407][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.371410][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.371413][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.371417][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.371425][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.371429][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.371433][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.371435][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.371439][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.371446][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.371449][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.371453][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.371456][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.371461][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.371466][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.371471][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.371474][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.371477][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.371481][    C3]  </IRQ>
[   15.371482][    C3]  <TASK>
[ 15.371484][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.371486][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.371491][ C3] Code: 92 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 37 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:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 83 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  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
[   15.371493][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   15.371496][    C3] RAX: 0000000000038fe9 RBX: 1ffff9200002afc1 RCX: ffffffffaf9905d9
[   15.371498][    C3] RDX: 0000000000000000 RSI: ffffffffb048f4e4 RDI: ffffffffafc53be0
[   15.371500][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.371501][    C3] R10: ffff8880361b37d3 R11: ffffffffb0611288 R12: 0000000000000000
[   15.371503][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.371507][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.371511][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.371514][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.371517][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.371520][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.371523][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.371528][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.371531][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.371534][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.371537][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.371541][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   17.086987][    C2] INFO: lockdep is turned off.
| [   17.087188][    C2] Preemption disabled at:
| [ 17.087190][ C2] 0x0 
| [   17.087558][    C2] Tainted: [W]=WARN
[   17.087560][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.087562][    C2] Call Trace:
[   17.087564][    C2]  <IRQ>
[ 17.087566][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.087578][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 17.087587][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 17.087592][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 17.087595][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 17.087602][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.087608][ 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) 
[ 17.087615][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 17.087618][ 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) 
[ 17.087621][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 17.087628][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 17.087631][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 17.087639][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 17.087642][ 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) 
[ 17.087649][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.087653][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 17.087656][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 17.087663][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 17.087669][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.087674][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.087678][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.087680][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.087683][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.087688][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 17.087690][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.087693][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.087698][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 17.087705][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 17.087709][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.087714][ C2] __put_net (net/core/net_namespace.c:732) 
[ 17.087719][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.087723][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.087729][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.087733][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 17.087737][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 17.087744][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.087752][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 17.087757][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 17.087762][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 17.087765][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 17.087768][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   17.087771][    C2]  </IRQ>
[   17.087773][    C2]  <TASK>
[ 17.087774][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.087777][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.087782][ C2] Code: 92 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 37 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:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   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 83 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  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
[   17.087785][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   17.087789][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffaf9905d9
[   17.087791][    C2] RDX: ffffed1006c266fb RSI: ffffffffafc53b60 RDI: ffffffffad18d18f
[   17.087793][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   17.087795][    C2] R10: ffff8880361337d3 R11: ffffffffb334a7d8 R12: 0000000000000000
[   17.087797][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 17.087801][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 17.087805][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.087809][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.087811][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.087814][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.087817][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 17.087821][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 17.087826][ C2] do_idle (kernel/sched/idle.c:325) 
[ 17.087829][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.087832][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.087835][ 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