======================================
| [   15.437256][    C3] 1 lock held by swapper/3/0:
| [ 15.437451][ C3] #0: ffffffffa9d774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.437804][    C3]
| [   15.437804][    C3] stack backtrace:
[   15.438058][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.438060][    C3] Call Trace:
[   15.438063][    C3]  <IRQ>
[ 15.438066][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.438074][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.438078][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.438083][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.438088][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.438095][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.438099][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.438102][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.438105][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.438109][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.438112][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.438116][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.438121][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.438124][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.438128][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.438132][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.438135][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 15.438139][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.438143][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 15.438150][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.438153][ 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) 
[ 15.438161][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.438163][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.438167][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.438170][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.438176][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.438180][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.438183][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.438186][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.438189][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.438193][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.438195][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.438198][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.438202][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.438211][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.438216][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.438220][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.438223][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.438226][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.438230][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.438234][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.438237][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.438240][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.438245][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.438250][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.438255][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.438258][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.438261][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.438265][    C3]  </IRQ>
[   15.438266][    C3]  <TASK>
[ 15.438267][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.438270][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.438274][ 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
[   15.438277][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.438281][    C3] RAX: 000000000003bbe7 RBX: 1ffff9200002afc1 RCX: ffffffffa8d8f5d9
[   15.438283][    C3] RDX: 0000000000000000 RSI: ffffffffa988f4e4 RDI: ffffffffa9053be0
[   15.438285][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.438286][    C3] R10: ffff8880361b37d3 R11: ffffffffa9a11288 R12: 0000000000000000
[   15.438288][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.438292][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.438297][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.438299][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.438302][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.438305][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.438309][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.438314][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.438317][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.438321][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.438323][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.438328][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.454826][    C3] RCU nest depth: 0, expected: 0
| [   15.454999][    C3] INFO: lockdep is turned off.
| [   15.455177][    C3] Preemption disabled at:
| [ 15.455179][ C3] 0x0 
[   15.455509][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.455511][    C3] Call Trace:
[   15.455512][    C3]  <IRQ>
[ 15.455515][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.455520][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 15.455528][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.455533][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.455535][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.455540][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.455548][ 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) 
[ 15.455554][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.455557][ 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) 
[ 15.455560][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.455565][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.455568][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 15.455574][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.455578][ 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) 
[ 15.455582][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.455585][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.455588][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.455593][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.455597][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.455600][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.455603][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.455606][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.455608][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.455611][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 15.455614][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.455616][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.455620][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.455627][ C3] __put_net (net/core/net_namespace.c:732) 
[ 15.455630][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.455634][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.455637][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.455640][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.455645][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.455649][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.455653][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.455656][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.455661][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.455665][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 15.455670][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.455673][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.455676][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.455680][    C3]  </IRQ>
[   15.455681][    C3]  <TASK>
[ 15.455683][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.455685][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.455689][ 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
[   15.455692][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   15.455694][    C3] RAX: 000000000003bbe7 RBX: 1ffff9200002afc1 RCX: ffffffffa8d8f5d9
[   15.455696][    C3] RDX: 0000000000000000 RSI: ffffffffa988f4e4 RDI: ffffffffa9053be0
[   15.455698][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   15.455700][    C3] R10: ffff8880361b37d3 R11: ffffffffa9a11288 R12: 0000000000000000
[   15.455701][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 15.455705][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.455710][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.455712][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.455715][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.455718][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.455721][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.455726][ C3] do_idle (kernel/sched/idle.c:325) 
[ 15.455729][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.455732][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.455735][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.455739][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   17.197303][    C3] INFO: lockdep is turned off.
| [   17.197482][    C3] Preemption disabled at:
| [ 17.197484][ C3] 0x0 
| [   17.197826][    C3] Tainted: [W]=WARN
[   17.197827][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.197830][    C3] Call Trace:
[   17.197832][    C3]  <IRQ>
[ 17.197834][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.197846][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 17.197855][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 17.197860][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 17.197864][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 17.197869][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.197876][ 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) 
[ 17.197884][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 17.197887][ 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) 
[ 17.197890][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 17.197897][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 17.197900][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 17.197907][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 17.197911][ 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) 
[ 17.197919][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.197924][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 17.197927][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 17.197933][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 17.197940][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.197944][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.197948][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.197951][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.197953][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.197958][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 17.197960][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.197963][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.197967][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 17.197973][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 17.197979][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.197983][ C3] __put_net (net/core/net_namespace.c:732) 
[ 17.197988][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.197992][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.197995][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.198000][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 17.198003][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 17.198011][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.198017][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 17.198023][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 17.198028][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 17.198031][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 17.198034][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   17.198038][    C3]  </IRQ>
[   17.198039][    C3]  <TASK>
[ 17.198041][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.198043][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.198048][ 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
[   17.198051][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   17.198055][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffa8d8f5d9
[   17.198058][    C3] RDX: ffffed1006c366fb RSI: ffffffffa9053b60 RDI: ffffffffa658d18f
[   17.198060][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   17.198062][    C3] R10: ffff8880361b37d3 R11: ffffc900001579c0 R12: 0000000000000000
[   17.198064][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 17.198068][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 17.198071][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.198075][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.198078][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.198080][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.198084][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 17.198088][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 17.198092][ C3] do_idle (kernel/sched/idle.c:325) 
[ 17.198095][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.198098][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.198101][ 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