======================================
| [   16.141139][    C3] 1 lock held by swapper/3/0:
| [ 16.141333][ C3] #0: ffffffff9e9774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   16.141684][    C3]
| [   16.141684][    C3] stack backtrace:
[   16.141925][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.141927][    C3] Call Trace:
[   16.141929][    C3]  <IRQ>
[ 16.141932][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.141938][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 16.141943][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 16.141948][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.141953][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 16.141959][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 16.141962][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 16.141965][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 16.141969][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.141973][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 16.141976][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.141980][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.141984][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.141987][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.141991][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 16.141995][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.141998][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 16.142002][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 16.142005][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.142011][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.142014][ 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) 
[ 16.142021][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.142024][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.142027][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.142030][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.142035][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.142038][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.142041][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.142044][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.142046][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.142050][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.142052][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.142054][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.142058][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.142065][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.142069][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.142073][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.142075][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.142079][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.142083][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.142086][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.142090][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.142093][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.142098][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.142102][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.142108][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.142111][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.142114][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.142117][    C3]  </IRQ>
[   16.142118][    C3]  <TASK>
[ 16.142120][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.142123][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.142128][ 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
[   16.142130][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.142134][    C3] RAX: 00000000000439cf RBX: 1ffff9200002afc1 RCX: ffffffff9d9905d9
[   16.142136][    C3] RDX: 0000000000000000 RSI: ffffffff9e48f4e4 RDI: ffffffff9dc53be0
[   16.142138][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   16.142139][    C3] R10: ffff8880361b37d3 R11: ffffffff9e611288 R12: 0000000000000000
[   16.142141][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.142145][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.142149][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.142152][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.142154][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.142158][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.142161][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.142166][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.142169][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.142172][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.142175][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.142179][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.158981][    C3] RCU nest depth: 0, expected: 0
| [   16.159294][    C3] INFO: lockdep is turned off.
| [   16.159487][    C3] Preemption disabled at:
| [ 16.159489][ C3] 0x0 
[   16.159839][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.159842][    C3] Call Trace:
[   16.159845][    C3]  <IRQ>
[ 16.159848][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.159858][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 16.159864][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.159869][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.159872][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.159875][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.159880][ 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) 
[ 16.159886][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.159889][ 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) 
[ 16.159892][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.159897][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.159900][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.159906][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.159910][ 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) 
[ 16.159915][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.159919][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.159922][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.159926][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.159931][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.159936][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.159939][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.159942][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.159944][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.159947][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.159950][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.159952][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.159955][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.159962][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.159967][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.159971][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.159973][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.159976][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.159982][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.159985][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.159990][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.159992][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.159997][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.160004][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.160013][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.160018][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.160023][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.160027][    C3]  </IRQ>
[   16.160028][    C3]  <TASK>
[ 16.160030][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.160032][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.160036][ 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
[   16.160039][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.160042][    C3] RAX: 00000000000439cf RBX: 1ffff9200002afc1 RCX: ffffffff9d9905d9
[   16.160044][    C3] RDX: 0000000000000000 RSI: ffffffff9e48f4e4 RDI: ffffffff9dc53be0
[   16.160046][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   16.160048][    C3] R10: ffff8880361b37d3 R11: ffffffff9e611288 R12: 0000000000000000
[   16.160049][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.160053][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.160058][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.160061][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.160063][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.160067][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.160070][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.160075][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.160078][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.160081][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.160084][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.160088][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   17.961201][    C2] INFO: lockdep is turned off.
| [   17.961395][    C2] Preemption disabled at:
| [ 17.961397][ C2] 0x0 
| [   17.961786][    C2] Tainted: [W]=WARN
[   17.961787][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.961790][    C2] Call Trace:
[   17.961792][    C2]  <IRQ>
[ 17.961794][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.961802][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 17.961810][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 17.961814][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 17.961817][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 17.961822][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.961827][ 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) 
[ 17.961833][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 17.961836][ 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) 
[ 17.961839][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 17.961844][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 17.961847][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 17.961853][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 17.961857][ 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) 
[ 17.961863][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.961866][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 17.961869][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 17.961874][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 17.961879][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.961883][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.961886][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.961889][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.961891][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.961895][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 17.961897][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.961899][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.961903][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 17.961909][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 17.961913][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.961917][ C2] __put_net (net/core/net_namespace.c:732) 
[ 17.961921][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.961925][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.961927][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.961932][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 17.961935][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 17.961942][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.961948][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 17.961952][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 17.961958][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 17.961961][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 17.961963][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   17.961968][    C2]  </IRQ>
[   17.961969][    C2]  <TASK>
[ 17.961970][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.961973][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.961977][ 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
[   17.961980][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   17.961984][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff9d9905d9
[   17.961986][    C2] RDX: ffffed1006c266fb RSI: ffffffff9dc53b60 RDI: ffffffff9b18d18f
[   17.961987][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   17.961989][    C2] R10: ffff8880361337d3 R11: ffff888001ee2818 R12: 0000000000000000
[   17.961991][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 17.961995][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 17.961998][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.962003][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.962005][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.962008][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.962011][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 17.962015][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 17.962019][ C2] do_idle (kernel/sched/idle.c:325) 
[ 17.962023][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.962026][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.962028][ 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