======================================
| [   14.787831][    C3] 1 lock held by swapper/3/0:
| [ 14.788015][ C3] #0: ffffffffb07774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   14.788339][    C3]
| [   14.788339][    C3] stack backtrace:
[   14.788569][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.788572][    C3] Call Trace:
[   14.788574][    C3]  <IRQ>
[ 14.788576][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.788584][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 14.788589][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 14.788593][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 14.788599][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 14.788615][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 14.788619][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 14.788621][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 14.788625][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 14.788629][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 14.788632][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.788653][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.788658][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 14.788661][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.788665][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.788669][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 14.788672][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 14.788676][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.788679][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 14.788687][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.788690][ 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) 
[ 14.788698][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.788700][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.788704][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.788707][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.788713][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.788718][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.788721][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.788724][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.788726][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.788730][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.788733][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.788735][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.788740][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.788749][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.788754][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.788758][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.788760][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.788764][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.788768][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.788771][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.788775][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.788778][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.788783][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.788788][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.788794][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.788797][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.788800][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.788803][    C3]  </IRQ>
[   14.788804][    C3]  <TASK>
[ 14.788806][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.788809][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.788813][ 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
[   14.788816][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   14.788819][    C3] RAX: 000000000003ddfb RBX: 1ffff9200002afc1 RCX: ffffffffaf78f5d9
[   14.788821][    C3] RDX: 0000000000000000 RSI: ffffffffb028f4e4 RDI: ffffffffafa53be0
[   14.788823][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.788825][    C3] R10: ffff8880361b37d3 R11: ffffffffb0411288 R12: 0000000000000000
[   14.788826][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.788830][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.788835][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.788837][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.788840][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.788843][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.788847][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.788851][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.788855][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.788858][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.788860][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.788865][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   14.804378][    C3] RCU nest depth: 0, expected: 0
| [   14.804552][    C3] INFO: lockdep is turned off.
| [   14.804732][    C3] Preemption disabled at:
| [ 14.804734][ C3] 0x0 
[   14.805042][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.805044][    C3] Call Trace:
[   14.805046][    C3]  <IRQ>
[ 14.805048][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.805056][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 14.805064][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.805069][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.805072][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 14.805077][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 14.805082][ 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) 
[ 14.805089][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 14.805092][ 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) 
[ 14.805095][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.805101][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.805104][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 14.805110][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.805114][ 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) 
[ 14.805120][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.805123][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.805127][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.805132][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 14.805138][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.805143][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.805146][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.805149][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.805152][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.805155][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 14.805157][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.805159][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.805164][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 14.805171][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.805175][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 14.805179][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.805181][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 14.805185][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 14.805191][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 14.805194][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.805199][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 14.805202][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.805207][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 14.805212][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.805218][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.805221][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.805224][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   14.805228][    C3]  </IRQ>
[   14.805229][    C3]  <TASK>
[ 14.805230][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.805233][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 14.805237][ 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
[   14.805239][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   14.805242][    C3] RAX: 000000000003ddfb RBX: 1ffff9200002afc1 RCX: ffffffffaf78f5d9
[   14.805244][    C3] RDX: 0000000000000000 RSI: ffffffffb028f4e4 RDI: ffffffffafa53be0
[   14.805246][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   14.805247][    C3] R10: ffff8880361b37d3 R11: ffffffffb0411288 R12: 0000000000000000
[   14.805249][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 14.805253][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 14.805257][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 14.805260][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 14.805262][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 14.805266][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 14.805270][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 14.805274][ C3] do_idle (kernel/sched/idle.c:325) 
[ 14.805277][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 14.805280][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 14.805283][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 14.805287][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.469268][    C2] INFO: lockdep is turned off.
| [   16.469453][    C2] Preemption disabled at:
| [ 16.469455][ C2] 0x0 
| [   16.469817][    C2] Tainted: [W]=WARN
[   16.469818][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.469821][    C2] Call Trace:
[   16.469823][    C2]  <IRQ>
[ 16.469825][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.469836][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 16.469845][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.469851][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.469854][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.469859][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.469866][ 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) 
[ 16.469873][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.469875][ 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) 
[ 16.469879][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.469886][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.469889][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.469897][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.469900][ 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) 
[ 16.469908][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.469911][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.469915][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.469921][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.469927][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.469932][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.469935][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.469938][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.469941][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.469945][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 16.469947][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.469950][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.469954][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.469961][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.469966][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.469971][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.469975][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.469979][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.469981][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.469986][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.469989][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.469997][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.470003][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.470008][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.470013][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.470017][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.470019][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.470023][    C2]  </IRQ>
[   16.470024][    C2]  <TASK>
[ 16.470025][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.470028][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.470033][ 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
[   16.470036][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   16.470040][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffaf78f5d9
[   16.470042][    C2] RDX: ffffed1006c266fb RSI: ffffffffafa53b60 RDI: ffffffffacf8d18f
[   16.470044][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   16.470046][    C2] R10: ffff8880361337d3 R11: ffffffffb312fc10 R12: 0000000000000000
[   16.470048][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 16.470052][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.470055][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.470059][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.470062][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.470065][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.470068][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.470072][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.470076][ C2] do_idle (kernel/sched/idle.c:325) 
[ 16.470079][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.470082][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.470085][ 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