======================================
| [   15.141888][    C3] 1 lock held by swapper/3/0:
| [ 15.142117][ C3] #0: ffffffffb23774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.142491][    C3]
| [   15.142491][    C3] stack backtrace:
[   15.142750][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.142753][    C3] Call Trace:
[   15.142755][    C3]  <IRQ>
[ 15.142758][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.142766][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.142771][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.142775][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.142781][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.142788][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.142792][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.142795][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.142798][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.142802][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.142806][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.142810][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.142816][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.142818][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.142823][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.142826][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.142830][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 15.142834][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.142837][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 15.142844][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.142848][ 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) 
[ 15.142856][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.142859][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.142862][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.142865][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.142871][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.142875][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.142879][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.142882][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.142884][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.142889][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.142891][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.142894][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.142898][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.142907][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.142912][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.142916][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.142918][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.142922][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.142926][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.142929][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.142933][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.142936][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.142941][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.142946][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.142951][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.142954][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.142957][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.142961][    C3]  </IRQ>
[   15.142962][    C3]  <TASK>
[ 15.142964][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.142966][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.142971][ C3] Code: a2 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 47 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:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  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
[   15.142974][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.142977][    C3] RAX: 000000000004625f RBX: 1ffff9200002afc1 RCX: ffffffffb138f5d9
[   15.142979][    C3] RDX: 0000000000000000 RSI: ffffffffb1e8f4e4 RDI: ffffffffb1653be0
[   15.142981][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.142983][    C3] R10: ffff8880361b37d3 R11: ffffffffb2011288 R12: 0000000000000000
[   15.142985][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.142989][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.142994][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.142996][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.142999][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.143002][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.143006][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.143011][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.143014][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.143017][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.143020][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.143025][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.160334][    C3] RCU nest depth: 0, expected: 0
| [   15.160521][    C3] INFO: lockdep is turned off.
| [   15.160704][    C3] Preemption disabled at:
| [ 15.160706][ C3] 0x0 
[   15.161044][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.161046][    C3] Call Trace:
[   15.161048][    C3]  <IRQ>
[ 15.161050][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.161058][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 15.161065][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.161070][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.161073][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.161077][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.161082][ 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) 
[ 15.161089][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.161092][ 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) 
[ 15.161095][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.161100][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.161104][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 15.161109][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.161113][ 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) 
[ 15.161119][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.161123][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.161126][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.161130][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.161135][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.161139][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.161143][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.161145][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.161148][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.161152][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.161154][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.161156][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.161161][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.161167][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.161172][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.161176][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.161178][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.161182][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.161188][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.161191][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.161195][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.161198][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.161203][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.161207][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.161212][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.161215][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.161217][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.161221][    C3]  </IRQ>
[   15.161222][    C3]  <TASK>
[ 15.161224][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.161226][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.161230][ C3] Code: a2 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 47 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:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  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
[   15.161232][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.161235][    C3] RAX: 000000000004625f RBX: 1ffff9200002afc1 RCX: ffffffffb138f5d9
[   15.161237][    C3] RDX: 0000000000000000 RSI: ffffffffb1e8f4e4 RDI: ffffffffb1653be0
[   15.161238][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.161240][    C3] R10: ffff8880361b37d3 R11: ffffffffb2011288 R12: 0000000000000000
[   15.161241][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.161245][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.161250][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.161252][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.161254][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.161257][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.161261][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.161265][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.161269][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.161272][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.161274][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.161279][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.924540][    C2] INFO: lockdep is turned off.
| [   16.924725][    C2] Preemption disabled at:
| [ 16.924728][ C2] 0x0 
| [   16.925078][    C2] Tainted: [W]=WARN
[   16.925080][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.925082][    C2] Call Trace:
[   16.925084][    C2]  <IRQ>
[ 16.925086][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.925099][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 16.925109][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.925115][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.925118][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.925124][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.925131][ 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) 
[ 16.925139][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.925141][ 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) 
[ 16.925145][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.925152][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.925155][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.925164][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.925167][ 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) 
[ 16.925175][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.925179][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.925182][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.925190][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.925196][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.925201][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.925205][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.925208][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.925210][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.925215][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 16.925217][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.925220][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.925225][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.925233][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.925237][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.925241][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.925246][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.925250][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.925253][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.925257][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.925261][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.925267][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.925273][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.925279][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.925284][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.925287][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.925290][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.925294][    C2]  </IRQ>
[   16.925295][    C2]  <TASK>
[ 16.925296][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.925299][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.925304][ C2] Code: a2 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 47 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:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  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
[   16.925306][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   16.925310][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb138f5d9
[   16.925312][    C2] RDX: ffffed1006c266fb RSI: ffffffffb1653b60 RDI: ffffffffaeb8d18f
[   16.925314][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   16.925316][    C2] R10: ffff8880361337d3 R11: ffffffffb4c910f0 R12: 0000000000000000
[   16.925318][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 16.925322][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.925325][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.925329][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.925332][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.925334][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.925337][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.925341][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.925346][ C2] do_idle (kernel/sched/idle.c:325) 
[ 16.925349][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.925352][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.925355][ 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