======================================
| [ 16.046193][ C0] #4: ffff88800a60dbd0 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: __pte_offset_map_lock (./include/linux/pgtable.h:347 ./include/linux/pgtable.h:624 mm/pgtable-generic.c:403) 
| [ 16.046594][ C0] #5: ffffffffbad77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   16.046945][    C0]
| [   16.046945][    C0] stack backtrace:
[   16.047198][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.047200][    C0] Call Trace:
[   16.047202][    C0]  <IRQ>
[ 16.047204][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.047210][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 16.047215][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 16.047220][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.047225][ C0] ? save_trace (kernel/locking/lockdep.c:595) 
[ 16.047229][ C0] mark_lock (kernel/locking/lockdep.c:4756) 
[ 16.047233][ C0] mark_usage (kernel/locking/lockdep.c:4645) 
[ 16.047237][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 16.047240][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.047245][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 16.047248][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.047252][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.047258][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.047261][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.047265][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 16.047268][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.047271][ C0] simple_pin_fs (fs/libfs.c:1067) 
[ 16.047275][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 16.047278][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.047285][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.047289][ 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) 
[ 16.047294][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 16.047297][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.047301][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.047303][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.047307][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.047310][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:3951 kernel/rcu/tree.c:3961 kernel/rcu/tree.c:4002) 
[ 16.047313][ C0] ? rcu_read_lock_held (kernel/rcu/update.c:113 kernel/rcu/update.c:103 kernel/rcu/update.c:349) 
[ 16.047316][ C0] ? xas_next_entry (./include/linux/xarray.h:1220 ./include/linux/xarray.h:1725) 
[ 16.047319][ C0] ? next_uptodate_folio (mm/filemap.c:3557) 
[ 16.047321][ C0] ? filemap_map_pages (mm/filemap.c:3746) 
[ 16.047324][ C0] ? do_fault_around (mm/memory.c:5476) 
[ 16.047326][ C0] ? do_pte_missing (mm/memory.c:5509 mm/memory.c:5652 mm/memory.c:4160) 
[ 16.047330][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 16.047335][ C0] __put_net (net/core/net_namespace.c:732) 
[ 16.047339][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.047343][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.047346][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 16.047350][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.047353][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.047357][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 16.047361][ C0] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 16.047364][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.047369][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.047372][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 16.047378][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.047382][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.047384][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.047387][    C0]  </IRQ>
[   16.047388][    C0]  <TASK>
[ 16.047390][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.047393][ C0] RIP: 0010:rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:3951 kernel/rcu/tree.c:3961 kernel/rcu/tree.c:4002) 
[ 16.047397][ C0] Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 76 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 20 48 8d 7b 70 48 89 fa <48> c1 ea 03 80 3c 02 00 75 5e 48 8b 53 70 b8 01 00 00 00 48 85 d5
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	00 fc                	add    %bh,%ah
   6:	ff                   	lcall  (bad)
   7:	df 48 89             	fisttps -0x77(%rax)
   a:	fa                   	cli
   b:	48 c1 ea 03          	shr    $0x3,%rdx
   f:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  13:	75 76                	jne    0x8b
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df 
  1f:	48 8b 5b 20          	mov    0x20(%rbx),%rbx
  23:	48 8d 7b 70          	lea    0x70(%rbx),%rdi
  27:	48 89 fa             	mov    %rdi,%rdx
  2a:*	48 c1 ea 03          	shr    $0x3,%rdx		<-- trapping instruction
  2e:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  32:	75 5e                	jne    0x92
  34:	48 8b 53 70          	mov    0x70(%rbx),%rdx
  38:	b8 01 00 00 00       	mov    $0x1,%eax
  3d:	48 85 d5             	test   %rdx,%rbp

Code starting with the faulting instruction
===========================================
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	75 5e                	jne    0x68
   a:	48 8b 53 70          	mov    0x70(%rbx),%rdx
   e:	b8 01 00 00 00       	mov    $0x1,%eax
  13:	48 85 d5             	test   %rdx,%rbp
[   16.047399][    C0] RSP: 0000:ffffc90000aa7938 EFLAGS: 00000246
[   16.047403][    C0] RAX: dffffc0000000000 RBX: ffffffffbad8c140 RCX: 0000000000000001
[   16.047405][    C0] RDX: ffffffffbad8c1b0 RSI: ffffffffba058b60 RDI: ffffffffbad8c1b0
[   16.047406][    C0] RBP: 0000000000000001 R08: 0000000000000001 R09: fffff94000065d16
[   16.047408][    C0] R10: ffffea000032e8b7 R11: ffffffffbad77d20 R12: dffffc0000000000
[   16.047410][    C0] R13: ffffea0000d15540 R14: ffff8880051c4b48 R15: ffffc90000aa7af0
[ 16.047415][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:3994) 
[ 16.047419][ C0] rcu_read_lock_held (kernel/rcu/update.c:113 kernel/rcu/update.c:103 kernel/rcu/update.c:349) 
[ 16.047421][ C0] xas_next_entry (./include/linux/xarray.h:1220 ./include/linux/xarray.h:1725) 
[ 16.047426][ C0] next_uptodate_folio (mm/filemap.c:3557) 
[ 16.047429][ C0] filemap_map_pages (mm/filemap.c:3746) 
[ 16.047437][ C0] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 16.047441][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.047445][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.047448][ C0] ? do_fault_around (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 mm/memory.c:5475) 
[ 16.047452][ C0] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 16.047455][ C0] do_fault_around (mm/memory.c:5476) 
[ 16.047459][ C0] do_pte_missing (mm/memory.c:5509 mm/memory.c:5652 mm/memory.c:4160) 
[ 16.047462][ C0] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 16.047465][ C0] handle_pte_fault (mm/memory.c:5997) 
[ 16.047470][ C0] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 16.047473][ C0] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 16.047477][ C0] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 16.047481][ C0] __handle_mm_fault (mm/memory.c:6140) 
[ 16.047485][ C0] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 16.047488][ C0] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 16.047495][ C0] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 16.047499][ C0] handle_mm_fault (mm/memory.c:6321) 
[ 16.047503][ C0] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 16.047506][ C0] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 16.047509][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.047514][ C0] do_user_addr_fault (arch/x86/mm/fault.c:1337) 
[ 16.047519][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.047523][ C0] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 16.047527][ C0] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   16.047530][    C0] RIP: 0033:0x5624ff8ce360
[ 16.047537][ C0] Code: Unable to access opcode bytes at 0x5624ff8ce336.

Code starting with the faulting instruction
===========================================
[   16.047539][    C0] RSP: 002b:00007ffcb1633a78 EFLAGS: 00010202
[   16.047541][    C0] RAX: 0000000000000000 RBX: 00000000000000ec RCX: 0000000000000000
[   16.047543][    C0] RDX: 00007ffcb1633aa4 RSI: 0000000000000001 RDI: 00000000000000ec
[   16.047544][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[   16.047546][    C0] R10: 0000000000000000 R11: 0000000000000008 R12: 0000000000000000
[   16.047547][    C0] R13: 0000000000000000 R14: 00007ffcb1633b00 R15: 0000000000000001
| [   16.073022][    C0] RCU nest depth: 3, expected: 0
| [   16.073209][    C0] INFO: lockdep is turned off.
| [   16.073393][    C0] Preemption disabled at:
| [ 16.073395][ C0] 0x0 
[   16.073855][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.073857][    C0] Call Trace:
[   16.073859][    C0]  <IRQ>
[ 16.073860][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.073869][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 16.073874][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.073879][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.073881][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.073886][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.073891][ 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) 
[ 16.073896][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.073899][ 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) 
[ 16.073901][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.073907][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.073910][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.073915][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.073919][ 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) 
[ 16.073924][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 16.073929][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.073932][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.073936][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.073940][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.073943][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:3951 kernel/rcu/tree.c:3961 kernel/rcu/tree.c:4002) 
[ 16.073947][ C0] ? rcu_read_lock_held (kernel/rcu/update.c:113 kernel/rcu/update.c:103 kernel/rcu/update.c:349) 
[ 16.073950][ C0] ? xas_next_entry (./include/linux/xarray.h:1220 ./include/linux/xarray.h:1725) 
[ 16.073954][ C0] ? next_uptodate_folio (mm/filemap.c:3557) 
[ 16.073956][ C0] ? filemap_map_pages (mm/filemap.c:3746) 
[ 16.073959][ C0] ? do_fault_around (mm/memory.c:5476) 
[ 16.073963][ C0] ? do_pte_missing (mm/memory.c:5509 mm/memory.c:5652 mm/memory.c:4160) 
[ 16.073966][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 16.073971][ C0] __put_net (net/core/net_namespace.c:732) 
[ 16.073976][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.073980][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.073983][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 16.073986][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.073991][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.073995][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 16.073998][ C0] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 16.074002][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.074007][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.074010][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 16.074017][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.074020][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.074023][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.074026][    C0]  </IRQ>
[   16.074027][    C0]  <TASK>
[ 16.074029][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.074031][ C0] RIP: 0010:rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:3951 kernel/rcu/tree.c:3961 kernel/rcu/tree.c:4002) 
[ 16.074036][ C0] Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 76 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 20 48 8d 7b 70 48 89 fa <48> c1 ea 03 80 3c 02 00 75 5e 48 8b 53 70 b8 01 00 00 00 48 85 d5
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	00 fc                	add    %bh,%ah
   6:	ff                   	lcall  (bad)
   7:	df 48 89             	fisttps -0x77(%rax)
   a:	fa                   	cli
   b:	48 c1 ea 03          	shr    $0x3,%rdx
   f:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  13:	75 76                	jne    0x8b
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df 
  1f:	48 8b 5b 20          	mov    0x20(%rbx),%rbx
  23:	48 8d 7b 70          	lea    0x70(%rbx),%rdi
  27:	48 89 fa             	mov    %rdi,%rdx
  2a:*	48 c1 ea 03          	shr    $0x3,%rdx		<-- trapping instruction
  2e:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  32:	75 5e                	jne    0x92
  34:	48 8b 53 70          	mov    0x70(%rbx),%rdx
  38:	b8 01 00 00 00       	mov    $0x1,%eax
  3d:	48 85 d5             	test   %rdx,%rbp

Code starting with the faulting instruction
===========================================
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	75 5e                	jne    0x68
   a:	48 8b 53 70          	mov    0x70(%rbx),%rdx
   e:	b8 01 00 00 00       	mov    $0x1,%eax
  13:	48 85 d5             	test   %rdx,%rbp
[   16.074038][    C0] RSP: 0000:ffffc90000aa7938 EFLAGS: 00000246
[   16.074042][    C0] RAX: dffffc0000000000 RBX: ffffffffbad8c140 RCX: 0000000000000001
[   16.074044][    C0] RDX: ffffffffbad8c1b0 RSI: ffffffffba058b60 RDI: ffffffffbad8c1b0
[   16.074045][    C0] RBP: 0000000000000001 R08: 0000000000000001 R09: fffff94000065d16
[   16.074047][    C0] R10: ffffea000032e8b7 R11: ffffffffbad77d20 R12: dffffc0000000000
[   16.074049][    C0] R13: ffffea0000d15540 R14: ffff8880051c4b48 R15: ffffc90000aa7af0
[ 16.074054][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:3994) 
[ 16.074058][ C0] rcu_read_lock_held (kernel/rcu/update.c:113 kernel/rcu/update.c:103 kernel/rcu/update.c:349) 
[ 16.074061][ C0] xas_next_entry (./include/linux/xarray.h:1220 ./include/linux/xarray.h:1725) 
[ 16.074065][ C0] next_uptodate_folio (mm/filemap.c:3557) 
[ 16.074069][ C0] filemap_map_pages (mm/filemap.c:3746) 
[ 16.074077][ C0] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 16.074081][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.074085][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.074088][ C0] ? do_fault_around (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 mm/memory.c:5475) 
[ 16.074092][ C0] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 16.074095][ C0] do_fault_around (mm/memory.c:5476) 
[ 16.074099][ C0] do_pte_missing (mm/memory.c:5509 mm/memory.c:5652 mm/memory.c:4160) 
[ 16.074102][ C0] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 16.074106][ C0] handle_pte_fault (mm/memory.c:5997) 
[ 16.074110][ C0] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 16.074113][ C0] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 16.074117][ C0] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 16.074123][ C0] __handle_mm_fault (mm/memory.c:6140) 
[ 16.074127][ C0] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 16.074130][ C0] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 16.074137][ C0] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 16.074141][ C0] handle_mm_fault (mm/memory.c:6321) 
[ 16.074145][ C0] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 16.074148][ C0] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 16.074151][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.074156][ C0] do_user_addr_fault (arch/x86/mm/fault.c:1337) 
[ 16.074160][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.074165][ C0] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 16.074169][ C0] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   16.074171][    C0] RIP: 0033:0x5624ff8ce360
[ 16.074178][ C0] Code: Unable to access opcode bytes at 0x5624ff8ce336.

Code starting with the faulting instruction
===========================================
[   16.074180][    C0] RSP: 002b:00007ffcb1633a78 EFLAGS: 00010202
[   16.074182][    C0] RAX: 0000000000000000 RBX: 00000000000000ec RCX: 0000000000000000
[   16.074183][    C0] RDX: 00007ffcb1633aa4 RSI: 0000000000000001 RDI: 00000000000000ec
[   16.074185][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[   16.074186][    C0] R10: 0000000000000000 R11: 0000000000000008 R12: 0000000000000000


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