======================================
| [   15.436464][    C2] 1 lock held by swapper/2/0:
| [ 15.436656][ C2] #0: ffffffff873774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.437001][    C2]
| [   15.437001][    C2] stack backtrace:
[   15.437238][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.437241][    C2] Call Trace:
[   15.437243][    C2]  <IRQ>
[ 15.437246][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.437255][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.437261][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.437265][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.437269][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.437275][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.437279][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.437282][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.437285][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.437290][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.437293][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.437297][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.437301][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.437303][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.437308][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.437311][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.437315][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 15.437319][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.437322][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.437328][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.437331][ 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) 
[ 15.437337][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.437339][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.437343][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.437346][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.437351][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.437354][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.437357][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.437360][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.437363][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.437366][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 15.437368][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.437371][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.437375][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.437382][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.437386][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.437390][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.437392][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.437395][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.437399][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.437403][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.437406][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.437409][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.437414][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.437418][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.437423][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.437426][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.437429][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.437433][    C2]  </IRQ>
[   15.437434][    C2]  <TASK>
[ 15.437436][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.437438][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.437443][ C2] Code: 92 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 37 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:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  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 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  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
[   15.437445][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   15.437448][    C2] RAX: 000000000004120f RBX: 1ffff92000028fc1 RCX: ffffffff863905d9
[   15.437451][    C2] RDX: 0000000000000000 RSI: ffffffff86e8f4e4 RDI: ffffffff86653be0
[   15.437453][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ee66fa
[   15.437454][    C2] R10: ffff88802f7337d3 R11: ffffffff87011288 R12: 0000000000000000
[   15.437456][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 15.437460][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.437465][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.437467][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.437470][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.437473][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.437477][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.437481][ C2] do_idle (kernel/sched/idle.c:325) 
[ 15.437484][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.437487][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.437490][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.437495][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   15.453642][    C2] RCU nest depth: 0, expected: 0
| [   15.453841][    C2] INFO: lockdep is turned off.
| [   15.454134][    C2] Preemption disabled at:
| [ 15.454135][ C2] 0x0 
[   15.454485][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.454486][    C2] Call Trace:
[   15.454488][    C2]  <IRQ>
[ 15.454490][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.454497][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 15.454504][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.454508][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.454511][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.454515][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.454519][ 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) 
[ 15.454525][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.454528][ 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) 
[ 15.454531][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.454536][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.454539][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.454546][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.454549][ 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) 
[ 15.454554][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.454557][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.454561][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.454565][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.454570][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.454573][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.454576][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.454579][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.454582][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.454585][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 15.454587][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.454590][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.454593][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 15.454600][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.454603][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.454607][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.454609][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.454613][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.454618][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.454622][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.454626][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.454629][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.454634][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.454638][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.454643][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.454646][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.454649][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.454653][    C2]  </IRQ>
[   15.454654][    C2]  <TASK>
[ 15.454656][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.454658][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 15.454662][ C2] Code: 92 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 37 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:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  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 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  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
[   15.454665][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   15.454668][    C2] RAX: 000000000004120f RBX: 1ffff92000028fc1 RCX: ffffffff863905d9
[   15.454670][    C2] RDX: 0000000000000000 RSI: ffffffff86e8f4e4 RDI: ffffffff86653be0
[   15.454672][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ee66fa
[   15.454673][    C2] R10: ffff88802f7337d3 R11: ffffffff87011288 R12: 0000000000000000
[   15.454675][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 15.454679][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 15.454683][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 15.454686][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 15.454689][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 15.454692][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 15.454696][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 15.454700][ C2] do_idle (kernel/sched/idle.c:325) 
[ 15.454703][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 15.454706][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 15.454709][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 15.454713][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   17.277401][    C3] INFO: lockdep is turned off.
| [   17.277575][    C3] Preemption disabled at:
| [ 17.277577][ C3] fpu__clear_user_states (arch/x86/kernel/fpu/core.c:799 (discriminator 3)) 
| [   17.277924][    C3] Tainted: [W]=WARN
[   17.277925][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.277927][    C3] Call Trace:
[   17.277929][    C3]  <IRQ>
[ 17.277930][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.277938][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 17.277945][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 17.277949][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 17.277952][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 17.277956][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.277961][ 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) 
[ 17.277967][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 17.277970][ 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) 
[ 17.277974][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 17.277979][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 17.277982][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 17.277988][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 17.277992][ 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) 
[ 17.277997][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.278000][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 17.278003][ C3] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 17.278008][ C3] ? handle_signal (arch/x86/kernel/signal.c:310) 
[ 17.278013][ C3] ? arch_do_signal_or_restart (arch/x86/kernel/signal.c:340) 
[ 17.278017][ C3] ? exit_to_user_mode_loop (kernel/entry/common.c:113) 
[ 17.278021][ C3] ? do_syscall_64 (./include/linux/entry-common.h:330 ./include/linux/entry-common.h:414 ./include/linux/entry-common.h:449 arch/x86/entry/syscall_64.c:100) 
[ 17.278024][ C3] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 17.278028][ C3] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 17.278032][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 17.278037][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.278041][ C3] __put_net (net/core/net_namespace.c:732) 
[ 17.278045][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 17.278049][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.278051][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 17.278056][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 17.278059][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.278062][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 17.278070][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 17.278074][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 17.278078][ C3] ? fpu__clear_user_states (./include/linux/bottom_half.h:33 ./arch/x86/include/asm/fpu/api.h:77 arch/x86/kernel/fpu/core.c:814) 
[ 17.278081][ C3] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[   17.278084][    C3]  </IRQ>
[   17.278085][    C3]  <TASK>
[ 17.278087][ C3] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 17.278090][ C3] handle_signal (arch/x86/kernel/signal.c:310) 
[ 17.278094][ C3] arch_do_signal_or_restart (arch/x86/kernel/signal.c:340) 
[ 17.278098][ C3] ? __pfx_arch_do_signal_or_restart (arch/x86/kernel/signal.c:334) 
[ 17.278104][ C3] ? __x64_sys_rt_sigsuspend (kernel/signal.c:4858 kernel/signal.c:4848 kernel/signal.c:4848) 
[ 17.278108][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.278112][ C3] exit_to_user_mode_loop (kernel/entry/common.c:113) 
[ 17.278115][ C3] do_syscall_64 (./include/linux/entry-common.h:330 ./include/linux/entry-common.h:414 ./include/linux/entry-common.h:449 arch/x86/entry/syscall_64.c:100) 
[ 17.278118][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.278121][    C3] RIP: 0033:0x5621a30fc270
[ 17.278125][ C3] Code: ff e8 64 ff ff ff c6 05 0d 70 00 00 01 5d c3 0f 1f 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa e9 77 ff ff ff 0f 1f 80 00 00 00 00 <f3> 0f 1e fa c3 66 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7
All code
========
   0:	ff                   	ljmp   (bad)
   1:	e8 64 ff ff ff       	call   0xffffffffffffff6a
   6:	c6 05 0d 70 00 00 01 	movb   $0x1,0x700d(%rip)        # 0x701a
   d:	5d                   	pop    %rbp
   e:	c3                   	ret
   f:	0f 1f 00             	nopl   (%rax)
  12:	c3                   	ret
  13:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1a:	f3 0f 1e fa          	endbr64
  1e:	e9 77 ff ff ff       	jmp    0xffffffffffffff9a
  23:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  2a:*	f3 0f 1e fa          	endbr64		<-- trapping instruction
  2e:	c3                   	ret
  2f:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 00 
  3a:	48 89 f8             	mov    %rdi,%rax
  3d:	48 89 f7             	mov    %rsi,%rdi

Code starting with the faulting instruction
===========================================
   0:	f3 0f 1e fa          	endbr64
   4:	c3                   	ret
   5:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 00 
  10:	48 89 f8             	mov    %rdi,%rax
  13:	48 89 f7             	mov    %rsi,%rdi
[   17.278128][    C3] RSP: 002b:00007ffdfd0bf138 EFLAGS: 00000246 ORIG_RAX: 0000000000000082
[   17.278132][    C3] RAX: 0000000000000000 RBX: 00007ffdfd0bfe78 RCX: 00007ffb3cc7606c
[   17.278134][    C3] RDX: 00007ffdfd0bf140 RSI: 00007ffdfd0bf270 RDI: 0000000000000011
[   17.278136][    C3] RBP: 00007ffdfd0bff20 R08: 00007ffdfd0bff20 R09: 0000000000000000
[   17.278137][    C3] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdfd0bfea0


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
fpu__clear_user_states:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal