======================================
| [   15.116222][    C1] 1 lock held by swapper/1/0:
| [ 15.116413][ C1] #0: ffffffff8f7774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.116759][    C1]
| [   15.116759][    C1] stack backtrace:
[   15.116997][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.116999][    C1] Call Trace:
[   15.117000][    C1]  <IRQ>
[ 15.117003][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.117009][ C1] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.117013][ C1] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.117017][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.117022][ C1] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.117028][ C1] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.117032][ C1] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.117035][ C1] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.117038][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.117042][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.117045][ C1] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.117049][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.117053][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.117056][ C1] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.117060][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.117064][ C1] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.117067][ C1] simple_pin_fs (fs/libfs.c:1067) 
[ 15.117071][ C1] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.117074][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.117080][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.117083][ 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) 
[ 15.117090][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.117092][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.117096][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.117099][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.117104][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.117107][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.117111][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.117113][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.117116][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.117119][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 15.117122][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.117124][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.117128][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.117135][ C1] __put_net (net/core/net_namespace.c:732) 
[ 15.117139][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.117143][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.117146][ C1] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.117149][ C1] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.117153][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.117156][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.117160][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.117163][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.117168][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.117172][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 15.117177][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.117180][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.117183][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.117187][    C1]  </IRQ>
[   15.117188][    C1]  <TASK>
[ 15.117189][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.117192][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.117196][ 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
[   15.117199][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000242
[   15.117202][    C1] RAX: 000000000007e319 RBX: 1ffff92000026fc1 RCX: ffffffff8e7905d9
[   15.117204][    C1] RDX: 0000000000000000 RSI: ffffffff8f28f4e4 RDI: ffffffff8ea53be0
[   15.117206][    C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c166fa
[   15.117207][    C1] R10: ffff8880360b37d3 R11: ffffffff8f411288 R12: 0000000000000000
[   15.117209][    C1] R13: ffff888001bf0040 R14: dffffc0000000000 R15: 0000000000000000
[ 15.117213][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.117218][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.117220][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.117223][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.117226][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.117230][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.117234][ C1] do_idle (kernel/sched/idle.c:325) 
[ 15.117237][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.117240][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.117243][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.117248][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.132992][    C1] RCU nest depth: 0, expected: 0
| [   15.133166][    C1] INFO: lockdep is turned off.
| [   15.133350][    C1] Preemption disabled at:
| [ 15.133352][ C1] 0x0 
[   15.133657][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.133659][    C1] Call Trace:
[   15.133661][    C1]  <IRQ>
[ 15.133663][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.133669][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 15.133675][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.133680][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.133683][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.133687][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.133691][ 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) 
[ 15.133697][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.133700][ 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) 
[ 15.133703][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.133708][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.133711][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.133716][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.133719][ 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) 
[ 15.133724][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.133727][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.133730][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.133734][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.133739][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.133742][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.133746][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.133748][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.133751][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.133754][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 15.133756][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.133759][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.133762][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.133769][ C1] __put_net (net/core/net_namespace.c:732) 
[ 15.133773][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.133777][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.133779][ C1] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.133783][ C1] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.133789][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.133792][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.133797][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.133800][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.133804][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.133809][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 15.133814][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.133817][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.133819][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.133823][    C1]  </IRQ>
[   15.133824][    C1]  <TASK>
[ 15.133826][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.133829][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.133833][ 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
[   15.133835][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000242
[   15.133838][    C1] RAX: 000000000007e319 RBX: 1ffff92000026fc1 RCX: ffffffff8e7905d9
[   15.133840][    C1] RDX: 0000000000000000 RSI: ffffffff8f28f4e4 RDI: ffffffff8ea53be0
[   15.133842][    C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c166fa
[   15.133843][    C1] R10: ffff8880360b37d3 R11: ffffffff8f411288 R12: 0000000000000000
[   15.133845][    C1] R13: ffff888001bf0040 R14: dffffc0000000000 R15: 0000000000000000
[ 15.133849][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.133854][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.133856][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.133859][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.133862][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.133866][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.133870][ C1] do_idle (kernel/sched/idle.c:325) 
[ 15.133873][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.133876][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.133879][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.133883][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.799659][    C3] INFO: lockdep is turned off.
| [   16.799832][    C3] Preemption disabled at:
| [ 16.799834][ C3] 0x0 
| [   16.800150][    C3] Tainted: [W]=WARN
[   16.800151][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.800153][    C3] Call Trace:
[   16.800155][    C3]  <IRQ>
[ 16.800157][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.800167][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 16.800174][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.800178][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.800181][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.800185][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.800190][ 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) 
[ 16.800197][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.800200][ 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) 
[ 16.800203][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.800209][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.800212][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.800217][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.800221][ 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) 
[ 16.800226][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.800229][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.800233][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.800237][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.800243][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.800247][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.800250][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.800253][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.800255][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.800259][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.800261][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.800263][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.800267][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.800272][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.800276][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.800281][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.800284][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.800288][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.800291][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.800296][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.800299][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.800309][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.800315][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.800319][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.800324][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.800327][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.800330][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.800334][    C3]  </IRQ>
[   16.800335][    C3]  <TASK>
[ 16.800336][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.800339][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.800344][ 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
[   16.800346][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.800350][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8e7905d9
[   16.800352][    C3] RDX: ffffed1006c366fb RSI: ffffffff8ea53b60 RDI: ffffffff8bf8d18f
[   16.800354][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   16.800356][    C3] R10: ffff8880361b37d3 R11: ffff888001ef8558 R12: 0000000000000000
[   16.800358][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.800362][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.800365][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.800369][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.800371][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.800374][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.800377][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.800381][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.800385][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.800388][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.800391][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.800394][ 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