======================================
| [ 14.871487][ C3] #0: ffff888009c963f8 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve (fs/exec.c:1469 fs/exec.c:1842) 
| [ 14.871892][ C3] #1: ffffffff8b974480 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562) 
| [   14.872289][    C3]
| [   14.872289][    C3] stack backtrace:
[   14.872595][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.872597][    C3] Call Trace:
[   14.872599][    C3]  <IRQ>
[ 14.872601][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.872607][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 14.872613][ C3] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 14.872618][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 14.872623][ C3] ? save_trace (kernel/locking/lockdep.c:594) 
[ 14.872627][ C3] mark_lock (kernel/locking/lockdep.c:4754) 
[ 14.872631][ C3] mark_usage (kernel/locking/lockdep.c:4643) 
[ 14.872635][ C3] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 14.872640][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 14.872643][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 14.872647][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 14.872653][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 14.872656][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 14.872661][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 14.872664][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 14.872667][ C3] simple_pin_fs (fs/libfs.c:1066) 
[ 14.872671][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 14.872674][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 14.872679][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.872682][ 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:2333) 
[ 14.872687][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 14.872690][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.872693][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.872695][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 14.872700][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.872704][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.872707][ C3] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 14.872711][ C3] ? free_unref_folios (mm/page_alloc.c:1280 mm/page_alloc.c:2778) 
[ 14.872715][ C3] ? folios_put_refs (mm/swap.c:992) 
[ 14.872720][ C3] ? invalidate_inode_pages2_range (./include/linux/pagevec.h:101 mm/truncate.c:703) 
[ 14.872723][ C3] ? fuse_open (fs/fuse/file.c:280) 
[ 14.872728][ C3] ? do_dentry_open (fs/open.c:956) 
[ 14.872731][ C3] ? vfs_open (fs/open.c:1086) 
[ 14.872737][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.872740][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 14.872745][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 14.872748][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 14.872751][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 14.872755][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 14.872759][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 14.872762][ C3] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 14.872766][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 14.872770][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 14.872773][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.872778][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.872780][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.872782][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   14.872786][    C3]  </IRQ>
[   14.872787][    C3]  <TASK>
[ 14.872789][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.872791][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.872796][ C3] Code: 74 24 10 e8 91 3e 86 fd 48 89 ef e8 09 91 86 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> 2a 99 7a fd 65 8b 05 83 08 99 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	91                   	xchg   %eax,%ecx
   5:	3e 86 fd             	ds xchg %bh,%ch
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 09 91 86 fd       	call   0xfffffffffd869119
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 2a 99 7a fd       	call   0xfffffffffd7a9959		<-- trapping instruction
  2f:	65 8b 05 83 08 99 02 	mov    %gs:0x2990883(%rip),%eax        # 0x29908b9
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 2a 99 7a fd       	call   0xfffffffffd7a992f
   5:	65 8b 05 83 08 99 02 	mov    %gs:0x2990883(%rip),%eax        # 0x299088f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[   14.872799][    C3] RSP: 0018:ffffc90000b66f58 EFLAGS: 00000206
[   14.872802][    C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[   14.872804][    C3] RDX: 0000000000000000 RSI: ffffffff8b485f31 RDI: 0000000000000001
[   14.872805][    C3] RBP: ffffffff8e28fdd0 R08: 0000000000000001 R09: 0000000000000001
[   14.872807][    C3] R10: ffffffff8c3d8197 R11: ffffffff8e28fde8 R12: dffffc0000000000
[   14.872809][    C3] R13: ffff88800d8ed000 R14: 0000000000000000 R15: ffff88800d8ee000
[ 14.872815][ C3] __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 14.872819][ C3] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 14.872824][ C3] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 14.872827][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 14.872832][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 14.872837][ C3] free_unref_folios (mm/page_alloc.c:1280 mm/page_alloc.c:2778) 
[ 14.872842][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.872846][ C3] folios_put_refs (mm/swap.c:992) 
[ 14.872851][ C3] ? __pfx_folios_put_refs (mm/swap.c:942) 
[ 14.872854][ C3] ? mlock_drain_local (./include/linux/local_lock_internal.h:54 mm/mlock.c:220) 
[ 14.872859][ C3] ? mlock_drain_local (./arch/x86/include/asm/preempt.h:104 mm/mlock.c:220) 
[ 14.872863][ C3] invalidate_inode_pages2_range (./include/linux/pagevec.h:101 mm/truncate.c:703) 
[ 14.872868][ C3] ? __pfx_invalidate_inode_pages2_range (mm/truncate.c:645) 
[ 14.872871][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 14.872876][ C3] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 14.872879][ C3] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) 
[ 14.872890][ 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) 
[ 14.872899][ C3] ? fuse_file_io_open (fs/fuse/iomode.c:240) 
[ 14.872906][ C3] fuse_open (fs/fuse/file.c:280) 
[ 14.872910][ C3] do_dentry_open (fs/open.c:956) 
[ 14.872913][ C3] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 14.872918][ C3] vfs_open (fs/open.c:1086) 
[ 14.872922][ C3] backing_file_open (fs/backing-file.c:45) 
[ 14.872928][ C3] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 14.872933][ C3] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 14.872938][ C3] ovl_open (fs/overlayfs/file.c:222) 
[ 14.872941][ C3] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 14.872943][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 14.872949][ C3] do_dentry_open (fs/open.c:956) 
[ 14.872951][ C3] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 14.872956][ C3] vfs_open (fs/open.c:1086) 
[ 14.872960][ C3] do_open (fs/namei.c:3881) 
[ 14.872966][ C3] path_openat (fs/namei.c:4039) 
[ 14.872970][ C3] ? __pfx_path_openat (fs/namei.c:4021) 
[ 14.872973][ C3] ? __kernel_text_address (kernel/extable.c:79) 
[ 14.872978][ C3] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 14.872981][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 14.872986][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 14.872990][ C3] do_filp_open (fs/namei.c:4066) 
[ 14.872994][ C3] ? __pfx_do_filp_open (fs/namei.c:4060) 
[ 14.872996][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 14.872999][ C3] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 14.873005][ C3] ? __pfx_page_put_link (fs/namei.c:5447) 
[ 14.873010][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 14.873014][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 14.873017][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.873020][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 14.873025][ C3] do_open_execat (fs/exec.c:893) 
[ 14.873029][ C3] ? __pfx_do_open_execat (fs/exec.c:875) 
[ 14.873034][ C3] ? getname_kernel (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 fs/namei.c:132 fs/namei.c:271) 
[ 14.873037][ C3] open_exec (fs/exec.c:931) 
[ 14.873041][ C3] load_elf_binary (fs/binfmt_elf.c:899) 
[ 14.873046][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 14.873051][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 14.873054][ C3] ? __pfx_load_elf_binary (fs/binfmt_elf.c:825) 
[ 14.873057][ C3] ? exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 14.873063][ C3] exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 14.873068][ C3] ? __pfx_exec_binprm (fs/exec.c:1794) 
[ 14.873071][ C3] ? bprm_execve (fs/exec.c:1852 fs/exec.c:1838) 
[ 14.873077][ C3] bprm_execve (fs/exec.c:1862 fs/exec.c:1838) 
[ 14.873081][ C3] do_execveat_common.isra.0 (fs/exec.c:1968) 
[ 14.873086][ C3] __x64_sys_execve (fs/exec.c:2113) 
[ 14.873089][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 14.873094][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   14.873097][    C3] RIP: 0033:0x7f38cbb6540b
[ 14.873101][ C3] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48
All code
========
   0:	c0 75 03 5f          	shlb   $0x5f,0x3(%rbp)
   4:	ff e7                	jmp    *%rdi
   6:	c3                   	ret
   7:	48 8b 0d f1 a9 1b 00 	mov    0x1ba9f1(%rip),%rcx        # 0x1ba9ff
   e:	f7 d8                	neg    %eax
  10:	64 89 01             	mov    %eax,%fs:(%rcx)
  13:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  17:	c3                   	ret
  18:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9ff
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9d5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.873103][    C3] RSP: 002b:00007ffe491002e8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   14.873106][    C3] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f38cbb6540b
[   14.873107][    C3] RDX: 000055c2f0c27570 RSI: 000055c2f0c1acb0 RDI: 000055c2f0c1e590
[   14.873109][    C3] RBP: 000055c2f0c1e590 R08: 000055c2f0c16440 R09: 0000000000000020
[   14.873111][    C3] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   14.873112][    C3] R13: 000055c2f0c1acb0 R14: 000055c2f0c27570 R15: 000055c2f0c16420
| [   14.907600][    C3] RCU nest depth: 0, expected: 0
| [   14.907813][    C3] INFO: lockdep is turned off.
| [   14.908163][    C3] Preemption disabled at:
| [ 14.908164][ C3] 0x0 
[   14.908553][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.908554][    C3] Call Trace:
[   14.908556][    C3]  <IRQ>
[ 14.908558][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 14.908565][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 14.908571][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 14.908574][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 14.908577][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 14.908581][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 14.908586][ 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) 
[ 14.908590][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 14.908593][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 14.908597][ 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) 
[ 14.908601][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 14.908603][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 14.908609][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 14.908612][ 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:2333) 
[ 14.908616][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 14.908620][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 14.908623][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 14.908626][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 14.908630][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.908634][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.908637][ C3] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 14.908643][ C3] ? free_unref_folios (mm/page_alloc.c:1280 mm/page_alloc.c:2778) 
[ 14.908647][ C3] ? folios_put_refs (mm/swap.c:992) 
[ 14.908652][ C3] ? invalidate_inode_pages2_range (./include/linux/pagevec.h:101 mm/truncate.c:703) 
[ 14.908655][ C3] ? fuse_open (fs/fuse/file.c:280) 
[ 14.908659][ C3] ? do_dentry_open (fs/open.c:956) 
[ 14.908662][ C3] ? vfs_open (fs/open.c:1086) 
[ 14.908667][ C3] __put_net (net/core/net_namespace.c:732) 
[ 14.908670][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 14.908674][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 14.908677][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 14.908680][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 14.908684][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 14.908688][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 14.908691][ C3] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 14.908695][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 14.908699][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 14.908702][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 14.908707][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 14.908709][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 14.908711][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   14.908715][    C3]  </IRQ>
[   14.908716][    C3]  <TASK>
[ 14.908718][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 14.908720][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 14.908724][ C3] Code: 74 24 10 e8 91 3e 86 fd 48 89 ef e8 09 91 86 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> 2a 99 7a fd 65 8b 05 83 08 99 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	91                   	xchg   %eax,%ecx
   5:	3e 86 fd             	ds xchg %bh,%ch
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 09 91 86 fd       	call   0xfffffffffd869119
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 2a 99 7a fd       	call   0xfffffffffd7a9959		<-- trapping instruction
  2f:	65 8b 05 83 08 99 02 	mov    %gs:0x2990883(%rip),%eax        # 0x29908b9
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 2a 99 7a fd       	call   0xfffffffffd7a992f
   5:	65 8b 05 83 08 99 02 	mov    %gs:0x2990883(%rip),%eax        # 0x299088f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[   14.908726][    C3] RSP: 0018:ffffc90000b66f58 EFLAGS: 00000206
[   14.908729][    C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[   14.908731][    C3] RDX: 0000000000000000 RSI: ffffffff8b485f31 RDI: 0000000000000001
[   14.908733][    C3] RBP: ffffffff8e28fdd0 R08: 0000000000000001 R09: 0000000000000001
[   14.908734][    C3] R10: ffffffff8c3d8197 R11: ffffffff8e28fde8 R12: dffffc0000000000
[   14.908736][    C3] R13: ffff88800d8ed000 R14: 0000000000000000 R15: ffff88800d8ee000
[ 14.908742][ C3] __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 14.908746][ C3] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 14.908751][ C3] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 14.908754][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 14.908759][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 14.908763][ C3] free_unref_folios (mm/page_alloc.c:1280 mm/page_alloc.c:2778) 
[ 14.908768][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.908772][ C3] folios_put_refs (mm/swap.c:992) 
[ 14.908776][ C3] ? __pfx_folios_put_refs (mm/swap.c:942) 
[ 14.908780][ C3] ? mlock_drain_local (./include/linux/local_lock_internal.h:54 mm/mlock.c:220) 
[ 14.908784][ C3] ? mlock_drain_local (./arch/x86/include/asm/preempt.h:104 mm/mlock.c:220) 
[ 14.908788][ C3] invalidate_inode_pages2_range (./include/linux/pagevec.h:101 mm/truncate.c:703) 
[ 14.908793][ C3] ? __pfx_invalidate_inode_pages2_range (mm/truncate.c:645) 
[ 14.908796][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 14.908801][ C3] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 14.908804][ C3] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) 
[ 14.908814][ 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) 
[ 14.908823][ C3] ? fuse_file_io_open (fs/fuse/iomode.c:240) 
[ 14.908830][ C3] fuse_open (fs/fuse/file.c:280) 
[ 14.908834][ C3] do_dentry_open (fs/open.c:956) 
[ 14.908837][ C3] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 14.908842][ C3] vfs_open (fs/open.c:1086) 
[ 14.908846][ C3] backing_file_open (fs/backing-file.c:45) 
[ 14.908850][ C3] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 14.908855][ C3] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 14.908859][ C3] ovl_open (fs/overlayfs/file.c:222) 
[ 14.908862][ C3] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 14.908864][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 14.908869][ C3] do_dentry_open (fs/open.c:956) 
[ 14.908872][ C3] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 14.908876][ C3] vfs_open (fs/open.c:1086) 
[ 14.908880][ C3] do_open (fs/namei.c:3881) 
[ 14.908887][ C3] path_openat (fs/namei.c:4039) 
[ 14.908890][ C3] ? __pfx_path_openat (fs/namei.c:4021) 
[ 14.908893][ C3] ? __kernel_text_address (kernel/extable.c:79) 
[ 14.908897][ C3] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 14.908901][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 14.908905][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 14.908909][ C3] do_filp_open (fs/namei.c:4066) 
[ 14.908912][ C3] ? __pfx_do_filp_open (fs/namei.c:4060) 
[ 14.908915][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 14.908918][ C3] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 14.908923][ C3] ? __pfx_page_put_link (fs/namei.c:5447) 
[ 14.908927][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 14.908931][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 14.908935][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 14.908938][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 14.908942][ C3] do_open_execat (fs/exec.c:893) 
[ 14.908946][ C3] ? __pfx_do_open_execat (fs/exec.c:875) 
[ 14.908951][ C3] ? getname_kernel (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 fs/namei.c:132 fs/namei.c:271) 
[ 14.908955][ C3] open_exec (fs/exec.c:931) 
[ 14.908958][ C3] load_elf_binary (fs/binfmt_elf.c:899) 
[ 14.908963][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 14.908968][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 14.908971][ C3] ? __pfx_load_elf_binary (fs/binfmt_elf.c:825) 
[ 14.908974][ C3] ? exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 14.908980][ C3] exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 14.908985][ C3] ? __pfx_exec_binprm (fs/exec.c:1794) 
[ 14.908988][ C3] ? bprm_execve (fs/exec.c:1852 fs/exec.c:1838) 
[ 14.908993][ C3] bprm_execve (fs/exec.c:1862 fs/exec.c:1838) 
[ 14.908997][ C3] do_execveat_common.isra.0 (fs/exec.c:1968) 
[ 14.909002][ C3] __x64_sys_execve (fs/exec.c:2113) 
[ 14.909005][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 14.909010][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   14.909013][    C3] RIP: 0033:0x7f38cbb6540b
[ 14.909015][ C3] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48
All code
========
   0:	c0 75 03 5f          	shlb   $0x5f,0x3(%rbp)
   4:	ff e7                	jmp    *%rdi
   6:	c3                   	ret
   7:	48 8b 0d f1 a9 1b 00 	mov    0x1ba9f1(%rip),%rcx        # 0x1ba9ff
   e:	f7 d8                	neg    %eax
  10:	64 89 01             	mov    %eax,%fs:(%rcx)
  13:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  17:	c3                   	ret
  18:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9ff
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9d5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.909017][    C3] RSP: 002b:00007ffe491002e8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   14.909020][    C3] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f38cbb6540b
[   14.909022][    C3] RDX: 000055c2f0c27570 RSI: 000055c2f0c1acb0 RDI: 000055c2f0c1e590
[   14.909023][    C3] RBP: 000055c2f0c1e590 R08: 000055c2f0c16440 R09: 0000000000000020
[   14.909025][    C3] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   14.909027][    C3] R13: 000055c2f0c1acb0 R14: 000055c2f0c27570 R15: 000055c2f0c16420
| [   16.647843][    C2] INFO: lockdep is turned off.
| [   16.648023][    C2] Preemption disabled at:
| [ 16.648025][ C2] 0x0 
| [   16.648357][    C2] Tainted: [W]=WARN
[   16.648358][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.648360][    C2] Call Trace:
[   16.648363][    C2]  <IRQ>
[ 16.648365][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.648377][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 16.648384][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.648389][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.648392][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 16.648397][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 16.648405][ 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) 
[ 16.648410][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 16.648413][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.648418][ 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) 
[ 16.648422][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.648425][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 16.648431][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.648434][ 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:2333) 
[ 16.648441][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 16.648446][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.648449][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.648454][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 16.648460][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.648465][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 16.648468][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 16.648471][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.648473][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.648479][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 16.648482][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.648488][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.648494][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.648500][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.648504][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 16.648509][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.648513][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 16.648517][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 16.648520][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 16.648525][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 16.648529][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.648535][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.648541][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 16.648544][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.648549][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.648552][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.648554][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   16.648558][    C2]  </IRQ>
[   16.648559][    C2]  <TASK>
[ 16.648561][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.648564][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 16.648568][ C2] Code: b0 b8 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 a3 d0 13 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	b0 b8                	mov    $0xb8,%al
   2:	00 c3                	add    %al,%bl
   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 a3 d0 13 00 	verw   0x13d0a3(%rip)        # 0x13d0cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[   16.648571][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   16.648576][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff8a955a19
[   16.648578][    C2] RDX: ffffed1006c2667b RSI: ffffffff8ac50c60 RDI: ffffffff88184d8f
[   16.648580][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c2667a
[   16.648582][    C2] R10: ffff8880361333d3 R11: ffff88800b228558 R12: 0000000000000000
[   16.648584][    C2] R13: ffff888001bb2340 R14: dffffc0000000000 R15: 0000000000000000
[ 16.648588][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.648593][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.648597][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 16.648600][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.648602][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.648605][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.648610][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 16.648615][ C2] do_idle (kernel/sched/idle.c:325) 
[ 16.648618][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.648622][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.648625][ 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