======================================
| [   15.900047][    C2] 1 lock held by swapper/2/0:
| [ 15.900240][ C2] #0: ffffffffaa7774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.900579][    C2]
| [   15.900579][    C2] stack backtrace:
[   15.900813][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.900815][    C2] Call Trace:
[   15.900817][    C2]  <IRQ>
[ 15.900819][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.900825][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.900830][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.900834][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.900839][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.900846][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.900849][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.900852][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.900855][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.900859][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.900862][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.900866][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.900871][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.900873][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.900878][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.900881][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.900885][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 15.900889][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.900892][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.900898][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.900901][ 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) 
[ 15.900907][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.900909][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.900913][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.900915][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.900921][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.900924][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.900928][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.900930][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.900933][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.900936][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 15.900938][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.900941][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.900944][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.900952][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.900956][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.900960][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.900962][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.900965][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.900970][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.900973][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.900977][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.900980][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.900984][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.900989][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.900994][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.900997][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.901000][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.901004][    C2]  </IRQ>
[   15.901005][    C2]  <TASK>
[ 15.901006][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.901009][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.901013][ 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
[   15.901016][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   15.901019][    C2] RAX: 000000000003ed2b RBX: 1ffff92000028fc1 RCX: ffffffffa97905d9
[   15.901021][    C2] RDX: 0000000000000000 RSI: ffffffffaa28f4e4 RDI: ffffffffa9a53be0
[   15.901023][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   15.901025][    C2] R10: ffff8880361337d3 R11: ffffffffaa411288 R12: 0000000000000000
[   15.901027][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 15.901031][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.901035][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.901038][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.901040][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.901043][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.901047][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.901052][ C2] do_idle (kernel/sched/idle.c:325) 
[ 15.901055][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.901058][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.901061][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.901065][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.917710][    C2] RCU nest depth: 0, expected: 0
| [   15.917899][    C2] INFO: lockdep is turned off.
| [   15.918194][    C2] Preemption disabled at:
| [ 15.918196][ C2] 0x0 
[   15.918535][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.918537][    C2] Call Trace:
[   15.918539][    C2]  <IRQ>
[ 15.918541][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.918548][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 15.918556][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.918560][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.918566][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.918570][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.918575][ 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) 
[ 15.918580][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.918583][ 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) 
[ 15.918586][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.918592][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.918595][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.918600][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.918604][ 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) 
[ 15.918609][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.918612][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.918615][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.918619][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.918624][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.918627][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.918630][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.918633][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.918636][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.918639][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 15.918641][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.918644][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.918647][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.918654][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.918658][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.918662][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.918664][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.918668][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.918673][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.918676][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.918680][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.918683][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.918688][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.918692][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.918697][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.918700][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.918703][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.918707][    C2]  </IRQ>
[   15.918708][    C2]  <TASK>
[ 15.918710][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.918712][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.918716][ 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
[   15.918719][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   15.918722][    C2] RAX: 000000000003ed2b RBX: 1ffff92000028fc1 RCX: ffffffffa97905d9
[   15.918724][    C2] RDX: 0000000000000000 RSI: ffffffffaa28f4e4 RDI: ffffffffa9a53be0
[   15.918726][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa
[   15.918727][    C2] R10: ffff8880361337d3 R11: ffffffffaa411288 R12: 0000000000000000
[   15.918729][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 15.918733][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.918737][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.918740][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.918743][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.918746][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.918750][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.918754][ C2] do_idle (kernel/sched/idle.c:325) 
[ 15.918757][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.918760][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.918763][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.918768][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   18.235930][    C3] INFO: lockdep is turned off.
| [   18.236104][    C3] Preemption disabled at:
| [ 18.236106][ C3] 0x0 
| [   18.236421][    C3] Tainted: [W]=WARN
[   18.236422][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.236424][    C3] Call Trace:
[   18.236426][    C3]  <IRQ>
[ 18.236428][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 18.236437][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 18.236444][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 18.236449][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 18.236452][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 18.236456][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.236461][ 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) 
[ 18.236467][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 18.236470][ 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) 
[ 18.236474][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 18.236479][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 18.236482][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 18.236488][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 18.236491][ 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) 
[ 18.236497][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.236500][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 18.236503][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 18.236508][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 18.236513][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.236517][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.236520][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.236523][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.236525][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.236529][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 18.236531][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.236533][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.236537][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 18.236542][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 18.236547][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.236551][ C3] __put_net (net/core/net_namespace.c:732) 
[ 18.236555][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 18.236559][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.236565][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.236569][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 18.236573][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 18.236578][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.236584][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 18.236588][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 18.236594][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 18.236597][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 18.236600][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   18.236603][    C3]  </IRQ>
[   18.236605][    C3]  <TASK>
[ 18.236606][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.236609][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.236614][ 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
[   18.236616][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   18.236620][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffa97905d9
[   18.236622][    C3] RDX: ffffed1006c366fb RSI: ffffffffa9a53b60 RDI: ffffffffa6f8d18f
[   18.236624][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   18.236625][    C3] R10: ffff8880361b37d3 R11: ffffffffad050d88 R12: 0000000000000000
[   18.236627][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 18.236631][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 18.236634][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.236638][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.236640][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.236643][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.236646][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 18.236650][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 18.236654][ C3] do_idle (kernel/sched/idle.c:325) 
[ 18.236657][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.236660][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.236663][ 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