======================================
| [   14.648390][    C2] 1 lock held by swapper/2/0:
| [ 14.648580][ C2] #0: ffffffffaad774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   14.648913][    C2]
| [   14.648913][    C2] stack backtrace:
[   14.649149][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.649151][    C2] Call Trace:
[   14.649153][    C2]  <IRQ>
[ 14.649155][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.649162][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 14.649167][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 14.649172][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 14.649176][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 14.649182][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 14.649185][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 14.649188][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 14.649191][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.649195][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 14.649198][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.649203][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.649207][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 14.649209][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.649214][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.649217][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.649220][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 14.649225][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.649227][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.649233][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.649237][ 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) 
[ 14.649243][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.649246][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.649249][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.649252][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.649256][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.649260][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.649263][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.649265][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.649268][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.649271][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 14.649273][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.649276][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.649279][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.649286][ C2] __put_net (net/core/net_namespace.c:732) 
[ 14.649290][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.649294][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.649296][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.649300][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.649304][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.649307][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.649311][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.649313][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.649318][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.649323][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 14.649328][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.649331][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.649334][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.649337][    C2]  </IRQ>
[   14.649338][    C2]  <TASK>
[ 14.649340][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.649343][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.649347][ 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
[   14.649349][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   14.649352][    C2] RAX: 0000000000046ce1 RBX: 1ffff92000028fc1 RCX: ffffffffa9d905d9
[   14.649354][    C2] RDX: 0000000000000000 RSI: ffffffffaa88f4e4 RDI: ffffffffaa053be0
[   14.649356][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   14.649358][    C2] R10: ffff8880361337d3 R11: ffffffffaaa11288 R12: 0000000000000000
[   14.649359][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 14.649363][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.649368][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.649370][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.649373][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.649376][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.649380][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.649384][ C2] do_idle (kernel/sched/idle.c:325) 
[ 14.649387][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.649390][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.649393][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.649398][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   14.665601][    C2] RCU nest depth: 0, expected: 0
| [   14.665785][    C2] INFO: lockdep is turned off.
| [   14.666091][    C2] Preemption disabled at:
| [ 14.666093][ C2] 0x0 
[   14.666428][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.666430][    C2] Call Trace:
[   14.666431][    C2]  <IRQ>
[ 14.666434][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.666441][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 14.666447][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.666451][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.666454][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 14.666458][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.666463][ 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) 
[ 14.666468][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 14.666471][ 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) 
[ 14.666474][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.666480][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.666483][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.666488][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.666491][ 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) 
[ 14.666496][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.666499][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.666502][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.666507][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.666511][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.666514][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.666518][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.666520][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.666523][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.666526][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 14.666529][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.666531][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.666534][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.666541][ C2] __put_net (net/core/net_namespace.c:732) 
[ 14.666545][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.666549][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.666551][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.666555][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.666560][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.666563][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.666567][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.666570][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.666575][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.666579][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 14.666584][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.666587][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.666590][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.666594][    C2]  </IRQ>
[   14.666595][    C2]  <TASK>
[ 14.666596][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.666599][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.666603][ 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
[   14.666605][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   14.666608][    C2] RAX: 0000000000046ce1 RBX: 1ffff92000028fc1 RCX: ffffffffa9d905d9
[   14.666610][    C2] RDX: 0000000000000000 RSI: ffffffffaa88f4e4 RDI: ffffffffaa053be0
[   14.666612][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   14.666614][    C2] R10: ffff8880361337d3 R11: ffffffffaaa11288 R12: 0000000000000000
[   14.666615][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 14.666619][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.666624][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.666626][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.666629][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.666632][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.666636][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.666640][ C2] do_idle (kernel/sched/idle.c:325) 
[ 14.666644][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.666647][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.666649][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.666654][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.243192][    C3] INFO: lockdep is turned off.
| [   16.243475][    C3] Preemption disabled at:
| [ 16.243479][ C3] 0x0 
| [   16.243992][    C3] Tainted: [W]=WARN
[   16.243994][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.243997][    C3] Call Trace:
[   16.244000][    C3]  <IRQ>
[ 16.244003][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.244017][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 16.244026][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.244032][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.244037][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.244043][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.244051][ 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) 
[ 16.244060][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.244065][ 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) 
[ 16.244070][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.244079][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.244084][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.244092][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.244097][ 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) 
[ 16.244104][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.244109][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.244115][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.244122][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.244129][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.244135][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.244140][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.244145][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.244149][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.244154][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.244158][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.244162][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.244167][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.244175][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.244181][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.244189][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.244195][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.244202][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.244206][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.244215][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.244222][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.244230][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.244240][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.244247][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.244257][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.244262][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.244266][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.244273][    C3]  </IRQ>
[   16.244275][    C3]  <TASK>
[ 16.244277][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.244282][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.244288][ 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
[   16.244292][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.244298][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffa9d905d9
[   16.244301][    C3] RDX: ffffed1006c366fb RSI: ffffffffaa053b60 RDI: ffffffffa758d18f
[   16.244305][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   16.244308][    C3] R10: ffff8880361b37d3 R11: ffff888001ef8558 R12: 0000000000000000
[   16.244310][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.244318][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.244323][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.244330][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.244335][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.244339][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.244345][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.244351][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.244359][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.244366][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.244371][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.244376][ 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