======================================
| [   14.908129][    C3] 1 lock held by swapper/3/0:
| [ 14.908317][ C3] #0: ffffffff8c1774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   14.908653][    C3]
| [   14.908653][    C3] stack backtrace:
[   14.908893][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.908896][    C3] Call Trace:
[   14.908898][    C3]  <IRQ>
[ 14.908900][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.908906][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 14.908911][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 14.908915][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 14.908920][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 14.908926][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 14.908930][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 14.908933][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 14.908936][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.908940][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 14.908943][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.908947][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.908951][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 14.908954][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.908958][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.908962][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.908965][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 14.908969][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.908973][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.908979][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.908982][ 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) 
[ 14.908988][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.908991][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.908994][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.908996][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.909001][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.909004][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.909008][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.909010][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.909013][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.909016][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.909018][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.909020][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.909023][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.909031][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.909035][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.909039][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.909041][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.909044][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.909049][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.909052][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.909056][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.909058][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.909063][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.909067][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.909073][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.909076][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.909078][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.909082][    C3]  </IRQ>
[   14.909083][    C3]  <TASK>
[ 14.909084][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.909087][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.909091][ 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
[   14.909094][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   14.909097][    C3] RAX: 00000000000450fb RBX: 1ffff9200002afc1 RCX: ffffffff8b1905d9
[   14.909099][    C3] RDX: 0000000000000000 RSI: ffffffff8bc8f4e4 RDI: ffffffff8b453be0
[   14.909101][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.909103][    C3] R10: ffff8880361b37d3 R11: ffffffff8be11288 R12: 0000000000000000
[   14.909104][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.909108][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.909113][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.909115][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.909118][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.909121][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.909125][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.909129][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.909133][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.909136][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.909138][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.909143][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   14.925015][    C3] RCU nest depth: 0, expected: 0
| [   14.925303][    C3] INFO: lockdep is turned off.
| [   14.925476][    C3] Preemption disabled at:
| [ 14.925478][ C3] 0x0 
[   14.925782][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.925784][    C3] Call Trace:
[   14.925785][    C3]  <IRQ>
[ 14.925787][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.925794][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 14.925801][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.925805][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.925808][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 14.925812][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.925816][ 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) 
[ 14.925822][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 14.925824][ 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) 
[ 14.925828][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.925833][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.925836][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 14.925841][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 14.925845][ 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) 
[ 14.925850][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.925853][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 14.925856][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.925859][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.925863][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.925866][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.925870][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.925873][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.925875][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.925878][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.925880][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.925883][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.925885][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.925892][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.925896][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.925900][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.925903][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.925906][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.925912][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.925915][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.925919][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.925922][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.925927][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.925931][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.925936][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.925939][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.925942][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.925945][    C3]  </IRQ>
[   14.925946][    C3]  <TASK>
[ 14.925948][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.925951][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.925954][ 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
[   14.925957][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   14.925960][    C3] RAX: 00000000000450fb RBX: 1ffff9200002afc1 RCX: ffffffff8b1905d9
[   14.925962][    C3] RDX: 0000000000000000 RSI: ffffffff8bc8f4e4 RDI: ffffffff8b453be0
[   14.925963][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.925965][    C3] R10: ffff8880361b37d3 R11: ffffffff8be11288 R12: 0000000000000000
[   14.925967][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.925971][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.925975][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.925978][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.925980][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.925983][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.925987][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.925991][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.925995][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.925997][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.926000][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.926005][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.540572][    C1] INFO: lockdep is turned off.
| [   16.540776][    C1] Preemption disabled at:
| [ 16.540778][ C1] 0x0 
| [   16.541099][    C1] Tainted: [W]=WARN
[   16.541101][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.541103][    C1] Call Trace:
[   16.541105][    C1]  <IRQ>
[ 16.541107][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.541116][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 16.541123][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.541128][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.541131][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.541135][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.541140][ C1] ? 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) 
[ 16.541146][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.541149][ C1] ? 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) 
[ 16.541152][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.541158][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.541160][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.541167][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.541170][ C1] ? __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) 
[ 16.541176][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.541179][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.541182][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.541187][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.541192][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.541196][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.541200][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.541202][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.541205][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.541208][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 16.541211][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.541213][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.541217][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.541222][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.541226][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.541234][ C1] __put_net (net/core/net_namespace.c:732) 
[ 16.541238][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.541242][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.541245][ C1] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.541249][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.541253][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.541259][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.541265][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.541269][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 16.541274][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.541277][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.541280][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.541284][    C1]  </IRQ>
[   16.541285][    C1]  <TASK>
[ 16.541286][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.541289][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.541294][ C1] 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
[   16.541296][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[   16.541300][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff8b1905d9
[   16.541302][    C1] RDX: ffffed1006c166fb RSI: ffffffff8b453b60 RDI: ffffffff8898d18f
[   16.541304][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c166fa
[   16.541306][    C1] R10: ffff8880360b37d3 R11: ffff888005848558 R12: 0000000000000000
[   16.541308][    C1] R13: ffff888001bf0040 R14: dffffc0000000000 R15: 0000000000000000
[ 16.541312][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.541315][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.541319][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.541321][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.541324][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.541327][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.541331][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.541335][ C1] do_idle (kernel/sched/idle.c:325) 
[ 16.541338][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.541341][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.541344][ C1] ? __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