======================================
| [   15.115064][    C2] 1 lock held by swapper/2/0:
| [ 15.115261][ C2] #0: ffffffffb53774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.115606][    C2]
| [   15.115606][    C2] stack backtrace:
[   15.115896][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.115899][    C2] Call Trace:
[   15.115901][    C2]  <IRQ>
[ 15.115903][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.115911][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.115916][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.115921][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.115926][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.115934][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.115938][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.115941][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.115944][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.115948][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.115952][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.115956][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.115961][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.115964][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.115968][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.115972][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.115975][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 15.115979][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.115982][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 15.115990][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.115993][ 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) 
[ 15.116001][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.116004][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.116007][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.116010][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.116015][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.116018][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.116022][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.116024][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.116027][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.116031][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 15.116033][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.116036][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.116040][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.116049][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.116053][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.116057][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.116060][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.116063][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.116067][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.116071][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.116075][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.116077][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.116082][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.116087][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.116092][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.116095][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.116098][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.116102][    C2]  </IRQ>
[   15.116103][    C2]  <TASK>
[ 15.116105][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.116108][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.116112][ 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
[   15.116115][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242
[   15.116119][    C2] RAX: 0000000000050551 RBX: 1ffff92000028fc1 RCX: ffffffffb438f5d9
[   15.116121][    C2] RDX: 0000000000000000 RSI: ffffffffb4e8f4e4 RDI: ffffffffb4653be0
[   15.116123][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ee66fa
[   15.116125][    C2] R10: ffff88802f7337d3 R11: ffffffffb5011288 R12: 0000000000000000
[   15.116127][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 15.116131][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.116136][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.116138][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.116141][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.116145][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.116149][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.116153][ C2] do_idle (kernel/sched/idle.c:325) 
[ 15.116157][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.116160][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.116163][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.116168][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.132813][    C2] RCU nest depth: 0, expected: 0
| [   15.133004][    C2] INFO: lockdep is turned off.
| [   15.133205][    C2] Preemption disabled at:
| [ 15.133207][ C2] 0x0 
[   15.133659][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.133661][    C2] Call Trace:
[   15.133663][    C2]  <IRQ>
[ 15.133665][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.133672][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 15.133679][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.133685][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.133688][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.133692][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.133697][ 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) 
[ 15.133703][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.133705][ 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) 
[ 15.133709][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.133714][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.133717][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 15.133722][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.133725][ 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) 
[ 15.133731][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.133734][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.133737][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.133742][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.133747][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.133751][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.133754][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.133757][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.133759][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.133763][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 15.133765][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.133767][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.133772][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.133780][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.133783][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.133786][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.133789][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.133792][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.133798][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.133801][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.133806][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.133808][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.133813][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.133817][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.133823][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.133826][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.133828][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.133832][    C2]  </IRQ>
[   15.133832][    C2]  <TASK>
[ 15.133834][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.133836][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.133840][ 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
[   15.133842][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242
[   15.133845][    C2] RAX: 0000000000050551 RBX: 1ffff92000028fc1 RCX: ffffffffb438f5d9
[   15.133847][    C2] RDX: 0000000000000000 RSI: ffffffffb4e8f4e4 RDI: ffffffffb4653be0
[   15.133849][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ee66fa
[   15.133850][    C2] R10: ffff88802f7337d3 R11: ffffffffb5011288 R12: 0000000000000000
[   15.133851][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 15.133855][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.133859][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.133862][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.133865][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.133867][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.133871][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.133875][ C2] do_idle (kernel/sched/idle.c:325) 
[ 15.133878][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.133881][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.133884][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.133888][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.797623][    C3] INFO: lockdep is turned off.
| [   16.797796][    C3] Preemption disabled at:
| [ 16.797797][ C3] 0x0 
| [   16.798106][    C3] Tainted: [W]=WARN
[   16.798108][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.798112][    C3] Call Trace:
[   16.798115][    C3]  <IRQ>
[ 16.798117][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.798129][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 16.798139][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.798146][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.798149][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.798155][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.798162][ 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) 
[ 16.798170][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.798173][ 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) 
[ 16.798176][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.798183][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.798186][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.798194][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.798198][ 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) 
[ 16.798206][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.798210][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.798213][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.798220][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.798227][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.798232][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.798235][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.798238][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.798241][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.798245][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.798248][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.798250][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.798255][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.798264][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.798267][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.798272][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.798276][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.798280][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.798283][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.798287][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.798290][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.798297][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.798304][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.798310][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.798315][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.798318][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.798321][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.798324][    C3]  </IRQ>
[   16.798326][    C3]  <TASK>
[ 16.798327][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.798330][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.798334][ 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
[   16.798336][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   16.798340][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb438f5d9
[   16.798342][    C3] RDX: ffffed1005ef66fb RSI: ffffffffb4653b60 RDI: ffffffffb1b8d18f
[   16.798344][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1005ef66fa
[   16.798346][    C3] R10: ffff88802f7b37d3 R11: ffffffffb7c8bae0 R12: 0000000000000000
[   16.798347][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.798351][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.798354][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.798358][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.798361][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.798364][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.798367][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.798371][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.798375][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.798378][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.798381][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.798384][ 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