======================================
| [   16.374534][    C3] 1 lock held by swapper/3/0:
| [ 16.374778][ C3] #0: ffffffffa65774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   16.375205][    C3]
| [   16.375205][    C3] stack backtrace:
[   16.375500][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.375502][    C3] Call Trace:
[   16.375504][    C3]  <IRQ>
[ 16.375507][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.375515][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 16.375520][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 16.375524][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.375529][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 16.375536][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 16.375540][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 16.375543][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 16.375546][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.375550][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 16.375553][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.375557][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.375562][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.375565][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.375569][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 16.375573][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.375577][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 16.375583][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 16.375588][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.375599][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.375604][ 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) 
[ 16.375612][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.375615][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.375618][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.375621][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.375628][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.375632][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.375635][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.375638][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.375640][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.375644][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.375646][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.375649][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.375651][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.375659][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.375665][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.375668][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.375671][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.375674][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.375678][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.375682][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.375685][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.375688][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.375693][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.375699][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.375704][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.375707][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.375710][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.375713][    C3]  </IRQ>
[   16.375714][    C3]  <TASK>
[ 16.375716][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.375719][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.375723][ 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
[   16.375726][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   16.375729][    C3] RAX: 0000000000048025 RBX: 1ffff9200002afc1 RCX: ffffffffa558f5d9
[   16.375731][    C3] RDX: 0000000000000000 RSI: ffffffffa608f4e4 RDI: ffffffffa5853be0
[   16.375733][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   16.375735][    C3] R10: ffff8880361b37d3 R11: ffffffffa6211288 R12: 0000000000000000
[   16.375737][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.375740][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.375745][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.375748][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.375750][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.375753][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.375757][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.375761][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.375765][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.375768][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.375770][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.375775][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   16.395507][    C3] RCU nest depth: 0, expected: 0
| [   16.395730][    C3] INFO: lockdep is turned off.
| [   16.395959][    C3] Preemption disabled at:
| [ 16.395961][ C3] 0x0 
[   16.396368][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.396369][    C3] Call Trace:
[   16.396371][    C3]  <IRQ>
[ 16.396373][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.396382][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 16.396390][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.396395][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.396398][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.396402][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.396407][ 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) 
[ 16.396413][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.396416][ 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) 
[ 16.396419][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.396424][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.396427][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.396433][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.396437][ 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) 
[ 16.396442][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.396445][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.396448][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.396453][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.396458][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.396462][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.396465][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.396468][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.396470][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.396474][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 16.396477][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.396479][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.396483][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.396490][ C3] __put_net (net/core/net_namespace.c:732) 
[ 16.396494][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.396498][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.396500][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.396504][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.396510][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.396513][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 16.396517][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.396520][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.396525][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.396529][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 16.396535][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.396538][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.396540][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.396544][    C3]  </IRQ>
[   16.396545][    C3]  <TASK>
[ 16.396546][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.396549][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.396553][ 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
[   16.396556][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242
[   16.396559][    C3] RAX: 0000000000048025 RBX: 1ffff9200002afc1 RCX: ffffffffa558f5d9
[   16.396561][    C3] RDX: 0000000000000000 RSI: ffffffffa608f4e4 RDI: ffffffffa5853be0
[   16.396563][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[   16.396565][    C3] R10: ffff8880361b37d3 R11: ffffffffa6211288 R12: 0000000000000000
[   16.396566][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 16.396570][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.396575][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.396577][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.396580][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.396583][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.396587][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.396591][ C3] do_idle (kernel/sched/idle.c:325) 
[ 16.396595][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.396598][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.396600][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 16.396605][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   18.817899][    C2] INFO: lockdep is turned off.
| [   18.818106][    C2] Preemption disabled at:
| [ 18.818108][ C2] 0x0 
| [   18.818487][    C2] Tainted: [W]=WARN
[   18.818488][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.818490][    C2] Call Trace:
[   18.818493][    C2]  <IRQ>
[ 18.818496][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 18.818508][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 18.818517][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 18.818523][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 18.818526][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 18.818531][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.818537][ 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) 
[ 18.818544][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 18.818547][ 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) 
[ 18.818551][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 18.818557][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 18.818561][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 18.818569][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 18.818572][ 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) 
[ 18.818581][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.818584][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 18.818588][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 18.818594][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 18.818600][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.818605][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.818608][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.818611][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.818614][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.818618][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 18.818621][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.818624][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.818628][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 18.818635][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 18.818640][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.818645][ C2] __put_net (net/core/net_namespace.c:732) 
[ 18.818649][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 18.818653][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.818656][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.818661][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 18.818664][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 18.818672][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.818678][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 18.818684][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 18.818689][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 18.818692][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 18.818695][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   18.818699][    C2]  </IRQ>
[   18.818700][    C2]  <TASK>
[ 18.818702][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.818705][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.818709][ 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
[   18.818712][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   18.818716][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffa558f5d9
[   18.818719][    C2] RDX: ffffed1006c266fb RSI: ffffffffa5853b60 RDI: ffffffffa2d8d18f
[   18.818721][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   18.818722][    C2] R10: ffff8880361337d3 R11: ffff888001ee2818 R12: 0000000000000000
[   18.818724][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 18.818728][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 18.818731][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.818735][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.818738][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.818740][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.818743][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 18.818747][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 18.818752][ C2] do_idle (kernel/sched/idle.c:325) 
[ 18.818755][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.818758][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.818761][ 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