======================================
| [   15.057743][    C3] 1 lock held by swapper/3/0:
| [ 15.057931][ C3] #0: ffffffff8b1774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.058278][    C3]
| [   15.058278][    C3] stack backtrace:
[   15.058514][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.058516][    C3] Call Trace:
[   15.058518][    C3]  <IRQ>
[ 15.058520][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.058526][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.058531][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.058535][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.058540][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.058545][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.058549][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.058552][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.058555][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.058559][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.058562][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.058566][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.058571][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.058573][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.058578][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.058581][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.058584][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 15.058588][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.058591][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.058597][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.058601][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.058606][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.058609][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.058613][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.058615][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.058620][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.058624][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.058627][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.058630][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.058633][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.058636][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.058639][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.058641][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.058644][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.058652][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.058656][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.058660][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.058662][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.058665][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.058669][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.058673][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.058676][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.058679][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.058684][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.058688][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.058694][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.058697][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.058699][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.058703][    C3]  </IRQ>
[   15.058704][    C3]  <TASK>
[ 15.058706][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.058708][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.058712][ C3] Code: 92 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 37 10 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   15.058715][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.058718][    C3] RAX: 0000000000040f41 RBX: 1ffff9200002afc1 RCX: ffffffff8a1905d9
[   15.058720][    C3] RDX: 0000000000000000 RSI: ffffffff8ac8f4e4 RDI: ffffffff8a453be0
[   15.058722][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.058723][    C3] R10: ffff8880361b37d3 R11: ffffffff8ae11288 R12: 0000000000000000
[   15.058725][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.058729][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.058734][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.058736][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.058739][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.058742][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.058746][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.058750][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.058754][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.058757][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.058759][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.058764][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.075292][    C3] RCU nest depth: 0, expected: 0
| [   15.075460][    C3] INFO: lockdep is turned off.
| [   15.075641][    C3] Preemption disabled at:
| [ 15.075643][ C3] 0x0 
[   15.076055][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.076056][    C3] Call Trace:
[   15.076058][    C3]  <IRQ>
[ 15.076060][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.076066][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 15.076072][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.076076][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.076079][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.076083][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.076087][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 15.076093][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.076096][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 15.076099][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.076104][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.076107][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.076112][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.076115][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.076119][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.076122][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.076125][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.076129][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.076134][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.076137][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.076140][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.076143][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.076145][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.076148][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.076151][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.076153][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.076156][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.076163][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.076166][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.076170][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.076173][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.076176][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.076181][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.076184][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.076188][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.076191][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.076196][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.076200][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.076205][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.076208][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.076211][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.076214][    C3]  </IRQ>
[   15.076215][    C3]  <TASK>
[ 15.076217][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.076219][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.076223][ C3] Code: 92 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 37 10 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   15.076226][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.076228][    C3] RAX: 0000000000040f41 RBX: 1ffff9200002afc1 RCX: ffffffff8a1905d9
[   15.076230][    C3] RDX: 0000000000000000 RSI: ffffffff8ac8f4e4 RDI: ffffffff8a453be0
[   15.076232][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.076233][    C3] R10: ffff8880361b37d3 R11: ffffffff8ae11288 R12: 0000000000000000
[   15.076235][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.076239][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.076243][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.076246][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.076248][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.076252][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.076255][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.076259][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.076263][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.076266][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.076268][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.076273][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.792700][    C2] INFO: lockdep is turned off.
| [   16.792880][    C2] Preemption disabled at:
| [ 16.792882][ C2] 0x0 
| [   16.793213][    C2] Tainted: [W]=WARN
[   16.793215][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.793217][    C2] Call Trace:
[   16.793219][    C2]  <IRQ>
[ 16.793221][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.793229][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 16.793236][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.793241][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.793244][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.793248][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.793254][ 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) 
[ 16.793259][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.793262][ 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) 
[ 16.793265][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.793271][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.793274][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.793280][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.793283][ 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) 
[ 16.793289][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.793293][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.793296][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.793301][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.793306][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.793310][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.793313][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.793315][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.793318][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.793322][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 16.793324][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.793326][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.793330][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.793335][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.793339][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.793343][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.793347][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.793351][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.793354][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.793358][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.793362][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.793367][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.793373][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.793378][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.793383][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.793386][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.793389][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.793393][    C2]  </IRQ>
[   16.793394][    C2]  <TASK>
[ 16.793395][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.793398][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.793402][ 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
[   16.793405][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   16.793409][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff8a1905d9
[   16.793411][    C2] RDX: ffffed1006c266fb RSI: ffffffff8a453b60 RDI: ffffffff8798d18f
[   16.793413][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   16.793414][    C2] R10: ffff8880361337d3 R11: ffffffff8db108d8 R12: 0000000000000000
[   16.793416][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 16.793420][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.793423][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.793427][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.793429][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.793432][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.793435][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.793439][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.793443][ C2] do_idle (kernel/sched/idle.c:325) 
[ 16.793446][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.793449][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.793452][ 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