======================================
| [   15.281671][    C0] 1 lock held by swapper/0/0:
| [ 15.281872][ C0] #0: ffffffff915774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.282226][    C0]
| [   15.282226][    C0] stack backtrace:
[   15.282500][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.282501][    C0] Call Trace:
[   15.282503][    C0]  <IRQ>
[ 15.282505][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.282511][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.282516][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.282519][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 15.282524][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.282528][ C0] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.282534][ C0] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.282538][ C0] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.282541][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.282544][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.282548][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.282551][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.282555][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.282559][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.282562][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.282566][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.282570][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.282573][ C0] simple_pin_fs (fs/libfs.c:1067) 
[ 15.282577][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.282580][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 15.282586][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.282590][ C0] ? __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) 
[ 15.282596][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.282598][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.282601][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.282604][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.282609][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.282613][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.282616][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.282619][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.282621][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.282624][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 15.282626][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.282629][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 15.282632][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 15.282637][ C0] __put_net (net/core/net_namespace.c:732) 
[ 15.282641][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.282645][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.282648][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.282651][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.282655][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.282658][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.282662][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.282665][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.282669][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.282674][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 15.282679][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.282682][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.282685][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.282688][    C0]  </IRQ>
[   15.282690][    C0]  <TASK>
[ 15.282691][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.282694][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.282698][ C0] 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
[   15.282701][    C0] RSP: 0018:ffffffff91207df8 EFLAGS: 00000246
[   15.282704][    C0] RAX: 0000000000074003 RBX: 1ffffffff2240fc3 RCX: ffffffff9058f5d9
[   15.282706][    C0] RDX: 0000000000000000 RSI: ffffffff9108f4e4 RDI: ffffffff90853be0
[   15.282708][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa
[   15.282709][    C0] R10: ffff8880360337d3 R11: ffffffff91211288 R12: 0000000000000000
[   15.282711][    C0] R13: ffffffff9121f240 R14: dffffc0000000000 R15: 0000000000014770
[ 15.282715][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.282719][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.282722][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.282725][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.282728][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.282731][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.282736][ C0] do_idle (kernel/sched/idle.c:325) 
[ 15.282740][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.282743][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 15.282746][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 15.282750][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 15.282754][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 15.282758][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.300619][    C0] RCU nest depth: 0, expected: 0
| [   15.300810][    C0] INFO: lockdep is turned off.
| [   15.301001][    C0] Preemption disabled at:
| [ 15.301002][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
[   15.301577][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.301579][    C0] Call Trace:
[   15.301581][    C0]  <IRQ>
[ 15.301582][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.301587][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 15.301594][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.301597][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.301600][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.301604][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.301609][ C0] ? 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) 
[ 15.301614][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.301617][ C0] ? 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) 
[ 15.301620][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.301625][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.301628][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 15.301632][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.301636][ C0] ? __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) 
[ 15.301640][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.301643][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.301646][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.301650][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.301655][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.301658][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.301661][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.301664][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.301666][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.301670][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 15.301672][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.301674][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 15.301677][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 15.301684][ C0] __put_net (net/core/net_namespace.c:732) 
[ 15.301687][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.301691][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.301694][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.301697][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.301702][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.301705][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.301710][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.301713][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.301717][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.301722][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 15.301727][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.301730][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.301733][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.301737][    C0]  </IRQ>
[   15.301738][    C0]  <TASK>
[ 15.301739][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.301742][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.301746][ C0] 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
[   15.301748][    C0] RSP: 0018:ffffffff91207df8 EFLAGS: 00000246
[   15.301751][    C0] RAX: 0000000000074003 RBX: 1ffffffff2240fc3 RCX: ffffffff9058f5d9
[   15.301753][    C0] RDX: 0000000000000000 RSI: ffffffff9108f4e4 RDI: ffffffff90853be0
[   15.301754][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa
[   15.301756][    C0] R10: ffff8880360337d3 R11: ffffffff91211288 R12: 0000000000000000
[   15.301757][    C0] R13: ffffffff9121f240 R14: dffffc0000000000 R15: 0000000000014770
[ 15.301761][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.301766][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.301768][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.301771][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.301774][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.301778][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.301783][ C0] do_idle (kernel/sched/idle.c:325) 
[ 15.301786][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.301789][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 15.301793][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 15.301796][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 15.301801][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 15.301804][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   17.024314][    C2] INFO: lockdep is turned off.
| [   17.024492][    C2] Preemption disabled at:
| [ 17.024494][ C2] 0x0 
| [   17.024822][    C2] Tainted: [W]=WARN
[   17.024823][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.024825][    C2] Call Trace:
[   17.024827][    C2]  <IRQ>
[ 17.024829][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.024838][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 17.024844][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 17.024849][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 17.024852][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 17.024856][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.024861][ 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) 
[ 17.024866][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 17.024869][ 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) 
[ 17.024872][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 17.024878][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 17.024881][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 17.024887][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 17.024890][ 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) 
[ 17.024896][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.024899][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 17.024902][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 17.024907][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 17.024912][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.024916][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.024919][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.024921][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.024924][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.024927][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 17.024929][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.024932][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.024935][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 17.024940][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 17.024944][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.024949][ C2] __put_net (net/core/net_namespace.c:732) 
[ 17.024952][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.024956][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.024959][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.024963][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 17.024967][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 17.024972][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.024978][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 17.024982][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 17.024987][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 17.024990][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 17.024993][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   17.024997][    C2]  </IRQ>
[   17.024998][    C2]  <TASK>
[ 17.024999][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.025002][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 17.025006][ 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
[   17.025009][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   17.025013][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff9058f5d9
[   17.025015][    C2] RDX: ffffed1006c266fb RSI: ffffffff90853b60 RDI: ffffffff8dd8d18f
[   17.025016][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   17.025018][    C2] R10: ffff8880361337d3 R11: ffffffff93f108d8 R12: 0000000000000000
[   17.025020][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 17.025024][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 17.025027][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.025030][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 17.025033][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 17.025035][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 17.025039][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 17.025042][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 17.025046][ C2] do_idle (kernel/sched/idle.c:325) 
[ 17.025050][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 17.025053][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 17.025055][ 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
schedule_preempt_disabled:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal