======================================
| [ 1037.740908][    C0] 1 lock held by nft/9786:
| [ 1037.741144][ C0] #0: ffffc90000007d60 ((&icsk->icsk_retransmit_timer)){+.-.}-{0:0}, at: call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
| [ 1037.741620][    C0]
| [ 1037.741620][    C0] stack backtrace:
[ 1037.741916][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1037.741918][    C0] Call Trace:
[ 1037.741921][    C0]  <IRQ>
[ 1037.741923][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1037.741931][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 1037.741937][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 1037.741942][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 1037.741950][ C0] mark_lock (kernel/locking/lockdep.c:4756) 
[ 1037.741954][ C0] mark_usage (kernel/locking/lockdep.c:4645) 
[ 1037.741958][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 1037.741962][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 1037.741966][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 1037.741971][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 1037.741977][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1037.741985][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1037.741988][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 1037.741992][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 1037.741996][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 1037.741999][ C0] simple_pin_fs (fs/libfs.c:1067) 
[ 1037.742003][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 1037.742008][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1037.742013][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1037.742017][ 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) 
[ 1037.742023][ C0] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 1037.742026][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1037.742029][ C0] ? handle_softirqs (kernel/softirq.c:580) 
[ 1037.742033][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1037.742036][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1037.742038][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1037.742042][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1037.742046][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1037.742049][ C0] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 1037.742053][ C0] ? free_unref_folios (mm/page_alloc.c:1276 mm/page_alloc.c:2774) 
[ 1037.742060][ C0] ? folios_put_refs (mm/swap.c:992) 
[ 1037.742066][ C0] ? invalidate_inode_pages2_range (./include/linux/pagevec.h:101 mm/truncate.c:707) 
[ 1037.742069][ C0] ? fuse_open (fs/fuse/file.c:280) 
[ 1037.742076][ C0] __put_net (net/core/net_namespace.c:732) 
[ 1037.742081][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1037.742085][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1037.742089][ C0] call_timer_fn (kernel/time/timer.c:1748) 
[ 1037.742093][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1037.742095][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1037.742098][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1037.742103][ C0] ? __run_timers (kernel/time/timer.c:1798 kernel/time/timer.c:2372) 
[ 1037.742107][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1037.742111][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1037.742116][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 1037.742119][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1037.742124][ C0] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 1037.742128][ C0] ? 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) 
[ 1037.742131][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1037.742134][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1037.742137][ C0] ? run_timer_base (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1037.742142][ C0] run_timer_base (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1037.742146][ C0] run_timer_softirq (kernel/time/timer.c:2404) 
[ 1037.742149][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 1037.742154][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1037.742158][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 1037.742160][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1037.742163][    C0]  </IRQ>
[ 1037.742164][    C0]  <TASK>
[ 1037.742166][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1037.742169][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1037.742173][ C0] Code: 74 24 10 e8 f1 22 7b fd 48 89 ef e8 a9 75 7b 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 73 6f fd 65 8b 05 13 ed b3 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:	f1                   	int1
   5:	22 7b fd             	and    -0x3(%rbx),%bh
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 a9 75 7b fd       	call   0xfffffffffd7b75b9
  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 73 6f fd       	call   0xfffffffffd6f7359		<-- trapping instruction
  2f:	65 8b 05 13 ed b3 02 	mov    %gs:0x2b3ed13(%rip),%eax        # 0x2b3ed49
  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 73 6f fd       	call   0xfffffffffd6f732f
   5:	65 8b 05 13 ed b3 02 	mov    %gs:0x2b3ed13(%rip),%eax        # 0x2b3ed1f
   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
[ 1037.742176][    C0] RSP: 0018:ffffc900049571b8 EFLAGS: 00000206
[ 1037.742179][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: ffffffffa82766af
[ 1037.742181][    C0] RDX: 0000000000000000 RSI: ffffffffab4a61cd RDI: 0000000000000001
[ 1037.742183][    C0] RBP: ffffffffae336948 R08: 0000000000000001 R09: 0000000000000001
[ 1037.742185][    C0] R10: ffffffffac4062d7 R11: ffffffffae336960 R12: dffffc0000000000
[ 1037.742186][    C0] R13: ffff888011fa0000 R14: 0000000000000000 R15: ffff888011fa1000
[ 1037.742190][ C0] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:654 ./include/linux/cpumask.h:1210 ./include/trace/events/preemptirq.h:40) 
[ 1037.742198][ C0] __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 1037.742201][ C0] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 1037.742205][ C0] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 1037.742208][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 1037.742213][ C0] ? 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) 
[ 1037.742217][ C0] free_unref_folios (mm/page_alloc.c:1276 mm/page_alloc.c:2774) 
[ 1037.742221][ C0] ? lock_downgrade (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5767) 
[ 1037.742225][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1037.742229][ C0] folios_put_refs (mm/swap.c:992) 
[ 1037.742234][ C0] ? __pfx_folios_put_refs (mm/swap.c:942) 
[ 1037.742238][ C0] ? filemap_free_folio (./arch/x86/include/asm/atomic.h:47 ./include/linux/atomic/atomic-arch-fallback.h:2258 ./include/linux/atomic/atomic-instrumented.h:1366 ./include/linux/page_ref.h:177 ./include/linux/page_ref.h:186 ./include/linux/mm.h:1599 mm/filemap.c:235) 
[ 1037.742243][ C0] invalidate_inode_pages2_range (./include/linux/pagevec.h:101 mm/truncate.c:707) 
[ 1037.742249][ C0] ? __pfx_invalidate_inode_pages2_range (mm/truncate.c:649) 
[ 1037.742251][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 1037.742259][ C0] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 1037.742262][ C0] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) 
[ 1037.742274][ 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) 
[ 1037.742283][ C0] ? fuse_file_io_open (fs/fuse/iomode.c:240) 
[ 1037.742291][ C0] fuse_open (fs/fuse/file.c:280) 
[ 1037.742296][ C0] do_dentry_open (fs/open.c:964) 
[ 1037.742300][ C0] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 1037.742306][ C0] vfs_open (fs/open.c:1094) 
[ 1037.742311][ C0] backing_file_open (fs/backing-file.c:45) 
[ 1037.742317][ C0] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 1037.742323][ C0] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 1037.742329][ C0] ovl_open (fs/overlayfs/file.c:222) 
[ 1037.742332][ C0] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 1037.742334][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1037.742340][ C0] do_dentry_open (fs/open.c:964) 
[ 1037.742342][ C0] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 1037.742347][ C0] vfs_open (fs/open.c:1094) 
[ 1037.742351][ C0] do_open (fs/namei.c:3888) 
[ 1037.742359][ C0] path_openat (fs/namei.c:4046) 
[ 1037.742362][ C0] ? __pfx_path_openat (fs/namei.c:4028) 
[ 1037.742365][ C0] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 1037.742370][ C0] do_filp_open (fs/namei.c:4073) 
[ 1037.742373][ C0] ? __pfx_do_filp_open (fs/namei.c:4067) 
[ 1037.742379][ C0] ? __pfx_page_put_link (fs/namei.c:5478) 
[ 1037.742382][ C0] ? alloc_fd (fs/file.c:597) 
[ 1037.742385][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1037.742390][ 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) 
[ 1037.742393][ C0] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 1037.742396][ C0] ? alloc_fd (fs/file.c:597) 
[ 1037.742400][ C0] do_sys_openat2 (fs/open.c:1437) 
[ 1037.742404][ C0] ? __pfx_do_sys_openat2 (fs/open.c:1422) 
[ 1037.742406][ C0] ? trace_rcu_segcb_stats (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745 ./include/trace/events/rcu.h:537) 
[ 1037.742411][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1037.742414][ C0] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3115) 
[ 1037.742419][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 1037.742424][ C0] __x64_sys_openat (fs/open.c:1463) 
[ 1037.742427][ C0] ? fput_close_sync (fs/file_table.c:568) 
[ 1037.742431][ C0] ? __pfx___x64_sys_openat (fs/open.c:1463) 
[ 1037.742436][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1037.742439][ C0] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:199 arch/x86/entry/syscall_64.c:90) 
[ 1037.742443][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1037.742446][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1037.742449][    C0] RIP: 0033:0x7fe3a94c5f68
[ 1037.742453][ C0] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7
All code
========
   0:	f9                   	stc
   1:	41 89 f0             	mov    %esi,%r8d
   4:	41 83 e2 40          	and    $0x40,%r10d
   8:	75 30                	jne    0x3a
   a:	89 f0                	mov    %esi,%eax
   c:	25 00 00 41 00       	and    $0x410000,%eax
  11:	3d 00 00 41 00       	cmp    $0x410000,%eax
  16:	74 22                	je     0x3a
  18:	44 89 c2             	mov    %r8d,%edx
  1b:	4c 89 ce             	mov    %r9,%rsi
  1e:	bf 9c ff ff ff       	mov    $0xffffff9c,%edi
  23:	b8 01 01 00 00       	mov    $0x101,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 30                	ja     0x62
  32:	c3                   	ret
  33:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3a:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  3f:	c7                   	.byte 0xc7

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 30                	ja     0x38
   8:	c3                   	ret
   9:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  10:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  15:	c7                   	.byte 0xc7
[ 1037.742455][    C0] RSP: 002b:00007ffe2a999ad8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[ 1037.742458][    C0] RAX: ffffffffffffffda RBX: 00007ffe2a999d6f RCX: 00007fe3a94c5f68
[ 1037.742459][    C0] RDX: 0000000000080000 RSI: 00007ffe2a999b50 RDI: 00000000ffffff9c
[ 1037.742461][    C0] RBP: 00007ffe2a999b40 R08: 0000000000080000 R09: 00007ffe2a999b50
[ 1037.742463][    C0] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffe2a999b57
[ 1037.742464][    C0] R13: 00007ffe2a999d80 R14: 00007ffe2a999b50 R15: 00007fe3a9494000
| [ 1037.784265][    C0] RCU nest depth: 0, expected: 0
| [ 1037.784507][    C0] INFO: lockdep is turned off.
| [ 1037.784731][    C0] Preemption disabled at:
| [ 1037.784733][ C0] 0x0 
[ 1037.785130][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1037.785132][    C0] Call Trace:
[ 1037.785134][    C0]  <IRQ>
[ 1037.785136][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1037.785147][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 1037.785155][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1037.785160][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1037.785163][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1037.785168][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1037.785176][ 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) 
[ 1037.785182][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1037.785185][ 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) 
[ 1037.785188][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1037.785195][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1037.785198][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1037.785205][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1037.785209][ 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) 
[ 1037.785217][ C0] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 1037.785224][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1037.785227][ C0] ? handle_softirqs (kernel/softirq.c:580) 
[ 1037.785234][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1037.785237][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1037.785240][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1037.785245][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1037.785250][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1037.785255][ C0] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 1037.785259][ C0] ? free_unref_folios (mm/page_alloc.c:1276 mm/page_alloc.c:2774) 
[ 1037.785266][ C0] ? folios_put_refs (mm/swap.c:992) 
[ 1037.785271][ C0] ? invalidate_inode_pages2_range (./include/linux/pagevec.h:101 mm/truncate.c:707) 
[ 1037.785275][ C0] ? fuse_open (fs/fuse/file.c:280) 
[ 1037.785282][ C0] __put_net (net/core/net_namespace.c:732) 
[ 1037.785287][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1037.785291][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1037.785296][ C0] call_timer_fn (kernel/time/timer.c:1748) 
[ 1037.785299][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1037.785302][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1037.785305][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1037.785310][ C0] ? __run_timers (kernel/time/timer.c:1798 kernel/time/timer.c:2372) 
[ 1037.785313][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1037.785321][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1037.785326][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 1037.785329][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1037.785334][ C0] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 1037.785339][ C0] ? 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) 
[ 1037.785342][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1037.785345][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1037.785348][ C0] ? run_timer_base (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1037.785353][ C0] run_timer_base (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1037.785356][ C0] run_timer_softirq (kernel/time/timer.c:2404) 
[ 1037.785359][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 1037.785365][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1037.785369][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 1037.785371][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1037.785374][    C0]  </IRQ>
[ 1037.785375][    C0]  <TASK>
[ 1037.785377][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1037.785379][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1037.785384][ C0] Code: 74 24 10 e8 f1 22 7b fd 48 89 ef e8 a9 75 7b 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 73 6f fd 65 8b 05 13 ed b3 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:	f1                   	int1
   5:	22 7b fd             	and    -0x3(%rbx),%bh
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 a9 75 7b fd       	call   0xfffffffffd7b75b9
  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 73 6f fd       	call   0xfffffffffd6f7359		<-- trapping instruction
  2f:	65 8b 05 13 ed b3 02 	mov    %gs:0x2b3ed13(%rip),%eax        # 0x2b3ed49
  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 73 6f fd       	call   0xfffffffffd6f732f
   5:	65 8b 05 13 ed b3 02 	mov    %gs:0x2b3ed13(%rip),%eax        # 0x2b3ed1f
   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
[ 1037.785386][    C0] RSP: 0018:ffffc900049571b8 EFLAGS: 00000206
[ 1037.785390][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: ffffffffa82766af
[ 1037.785392][    C0] RDX: 0000000000000000 RSI: ffffffffab4a61cd RDI: 0000000000000001
[ 1037.785394][    C0] RBP: ffffffffae336948 R08: 0000000000000001 R09: 0000000000000001
[ 1037.785395][    C0] R10: ffffffffac4062d7 R11: ffffffffae336960 R12: dffffc0000000000
[ 1037.785397][    C0] R13: ffff888011fa0000 R14: 0000000000000000 R15: ffff888011fa1000
[ 1037.785401][ C0] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:654 ./include/linux/cpumask.h:1210 ./include/trace/events/preemptirq.h:40) 
[ 1037.785409][ C0] __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 1037.785412][ C0] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 1037.785417][ C0] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 1037.785419][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 1037.785424][ C0] ? 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) 
[ 1037.785429][ C0] free_unref_folios (mm/page_alloc.c:1276 mm/page_alloc.c:2774) 
[ 1037.785432][ C0] ? lock_downgrade (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5767) 
[ 1037.785436][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1037.785441][ C0] folios_put_refs (mm/swap.c:992) 
[ 1037.785445][ C0] ? __pfx_folios_put_refs (mm/swap.c:942) 
[ 1037.785449][ C0] ? filemap_free_folio (./arch/x86/include/asm/atomic.h:47 ./include/linux/atomic/atomic-arch-fallback.h:2258 ./include/linux/atomic/atomic-instrumented.h:1366 ./include/linux/page_ref.h:177 ./include/linux/page_ref.h:186 ./include/linux/mm.h:1599 mm/filemap.c:235) 
[ 1037.785455][ C0] invalidate_inode_pages2_range (./include/linux/pagevec.h:101 mm/truncate.c:707) 
[ 1037.785460][ C0] ? __pfx_invalidate_inode_pages2_range (mm/truncate.c:649) 
[ 1037.785463][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 1037.785469][ C0] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 1037.785472][ C0] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) 
[ 1037.785483][ 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) 
[ 1037.785492][ C0] ? fuse_file_io_open (fs/fuse/iomode.c:240) 
[ 1037.785499][ C0] fuse_open (fs/fuse/file.c:280) 
[ 1037.785504][ C0] do_dentry_open (fs/open.c:964) 
[ 1037.785508][ C0] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 1037.785513][ C0] vfs_open (fs/open.c:1094) 
[ 1037.785519][ C0] backing_file_open (fs/backing-file.c:45) 
[ 1037.785524][ C0] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 1037.785530][ C0] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 1037.785535][ C0] ovl_open (fs/overlayfs/file.c:222) 
[ 1037.785539][ C0] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 1037.785541][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1037.785546][ C0] do_dentry_open (fs/open.c:964) 
[ 1037.785549][ C0] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 1037.785553][ C0] vfs_open (fs/open.c:1094) 
[ 1037.785557][ C0] do_open (fs/namei.c:3888) 
[ 1037.785565][ C0] path_openat (fs/namei.c:4046) 
[ 1037.785568][ C0] ? __pfx_path_openat (fs/namei.c:4028) 
[ 1037.785570][ C0] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 1037.785576][ C0] do_filp_open (fs/namei.c:4073) 
[ 1037.785579][ C0] ? __pfx_do_filp_open (fs/namei.c:4067) 
[ 1037.785584][ C0] ? __pfx_page_put_link (fs/namei.c:5478) 
[ 1037.785588][ C0] ? alloc_fd (fs/file.c:597) 
[ 1037.785591][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1037.785596][ 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) 
[ 1037.785599][ C0] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 1037.785602][ C0] ? alloc_fd (fs/file.c:597) 
[ 1037.785606][ C0] do_sys_openat2 (fs/open.c:1437) 
[ 1037.785610][ C0] ? __pfx_do_sys_openat2 (fs/open.c:1422) 
[ 1037.785613][ C0] ? trace_rcu_segcb_stats (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745 ./include/trace/events/rcu.h:537) 
[ 1037.785617][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1037.785621][ C0] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3115) 
[ 1037.785626][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 1037.785631][ C0] __x64_sys_openat (fs/open.c:1463) 
[ 1037.785634][ C0] ? fput_close_sync (fs/file_table.c:568) 
[ 1037.785638][ C0] ? __pfx___x64_sys_openat (fs/open.c:1463) 
[ 1037.785643][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1037.785646][ C0] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:199 arch/x86/entry/syscall_64.c:90) 
[ 1037.785649][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1037.785652][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1037.785655][    C0] RIP: 0033:0x7fe3a94c5f68
[ 1037.785661][ C0] Code: Unable to access opcode bytes at 0x7fe3a94c5f3e.

Code starting with the faulting instruction
===========================================
[ 1037.785663][    C0] RSP: 002b:00007ffe2a999ad8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[ 1037.785666][    C0] RAX: ffffffffffffffda RBX: 00007ffe2a999d6f RCX: 00007fe3a94c5f68
[ 1037.785668][    C0] RDX: 0000000000080000 RSI: 00007ffe2a999b50 RDI: 00000000ffffff9c
[ 1037.785670][    C0] RBP: 00007ffe2a999b40 R08: 0000000000080000 R09: 00007ffe2a999b50
[ 1037.785671][    C0] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffe2a999b57
[ 1037.785673][    C0] R13: 00007ffe2a999d80 R14: 00007ffe2a999b50 R15: 00007fe3a9494000
| [ 1066.403568][    C1] INFO: lockdep is turned off.
| [ 1066.403750][    C1] Preemption disabled at:
| [ 1066.403752][ C1] handle_softirqs (kernel/softirq.c:553) 
| [ 1066.404133][    C1] Tainted: [W]=WARN
[ 1066.404134][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1066.404137][    C1] Call Trace:
[ 1066.404139][    C1]  <TASK>
[ 1066.404141][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1066.404152][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 1066.404159][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1066.404164][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1066.404166][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1066.404172][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1066.404180][ C1] ? 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) 
[ 1066.404186][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1066.404189][ C1] ? 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) 
[ 1066.404191][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1066.404199][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1066.404202][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1066.404209][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1066.404212][ C1] ? __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) 
[ 1066.404220][ C1] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 1066.404227][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1066.404230][ C1] ? handle_softirqs (kernel/softirq.c:580) 
[ 1066.404234][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1066.404237][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1066.404240][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050) 
[ 1066.404245][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1066.404250][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 1066.404256][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1066.404262][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1066.404267][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1066.404271][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1066.404275][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1066.404280][ C1] call_timer_fn (kernel/time/timer.c:1748) 
[ 1066.404283][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1066.404286][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1066.404289][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1066.404292][ C1] ? nohz_balance_exit_idle (kernel/sched/fair.c:12488) 
[ 1066.404300][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1066.404305][ C1] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 1066.404308][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1066.404313][ C1] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 1066.404317][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1066.404324][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1066.404328][ C1] ? 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) 
[ 1066.404332][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1066.404335][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1066.404338][ C1] ? run_timer_base (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1066.404343][ C1] run_timer_base (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1066.404347][ C1] run_timer_softirq (kernel/time/timer.c:2404) 
[ 1066.404350][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 1066.404356][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1066.404359][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 1066.404361][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050) 
[ 1066.404365][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1066.404368][    C1] RIP: 0033:0x55a439346f88
[ 1066.404373][ C1] Code: 8d 34 2c e9 0d ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 41 83 c5 01 b8 01 00 00 00 4d 63 dd 4b 8d 34 18 e9 ee fe ff ff 0f 1f 00 <4f> 8d 54 18 01 41 0f b6 02 3c 28 74 0c 45 8d 7d 01 3c 7b 0f 85 a8
All code
========
   0:	8d 34 2c             	lea    (%rsp,%rbp,1),%esi
   3:	e9 0d ff ff ff       	jmp    0xffffffffffffff15
   8:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   f:	00 00 00 
  12:	41 83 c5 01          	add    $0x1,%r13d
  16:	b8 01 00 00 00       	mov    $0x1,%eax
  1b:	4d 63 dd             	movslq %r13d,%r11
  1e:	4b 8d 34 18          	lea    (%r8,%r11,1),%rsi
  22:	e9 ee fe ff ff       	jmp    0xffffffffffffff15
  27:	0f 1f 00             	nopl   (%rax)
  2a:*	4f 8d 54 18 01       	lea    0x1(%r8,%r11,1),%r10		<-- trapping instruction
  2f:	41 0f b6 02          	movzbl (%r10),%eax
  33:	3c 28                	cmp    $0x28,%al
  35:	74 0c                	je     0x43
  37:	45 8d 7d 01          	lea    0x1(%r13),%r15d
  3b:	3c 7b                	cmp    $0x7b,%al
  3d:	0f                   	.byte 0xf
  3e:	85                   	.byte 0x85
  3f:	a8                   	.byte 0xa8

Code starting with the faulting instruction
===========================================
   0:	4f 8d 54 18 01       	lea    0x1(%r8,%r11,1),%r10
   5:	41 0f b6 02          	movzbl (%r10),%eax
   9:	3c 28                	cmp    $0x28,%al
   b:	74 0c                	je     0x19
   d:	45 8d 7d 01          	lea    0x1(%r13),%r15d
  11:	3c 7b                	cmp    $0x7b,%al
  13:	0f                   	.byte 0xf
  14:	85                   	.byte 0x85
  15:	a8                   	.byte 0xa8
[ 1066.404375][    C1] RSP: 002b:00007ffdc607d430 EFLAGS: 00000246
[ 1066.404379][    C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000024
[ 1066.404381][    C1] RDX: 000055a468c77010 RSI: 000055a468dcf9f1 RDI: 0000000000000010
[ 1066.404383][    C1] RBP: 0000000000000000 R08: 000055a468dcf9f0 R09: 0000000000000000
[ 1066.404385][    C1] R10: 0000000000000000 R11: 0000000000000001 R12: 000055a468dd25a0
[ 1066.404386][    C1] R13: 0000000000000001 R14: 000055a468dd25a0 R15: 000055a468dcf9f0
| [ 1131.941514][    C1] INFO: lockdep is turned off.
| [ 1131.941741][    C1] Preemption disabled at:
| [ 1131.941743][ C1] 0x0 
| [ 1131.942142][    C1] Tainted: [W]=WARN
[ 1131.942143][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1131.942145][    C1] Call Trace:
[ 1131.942148][    C1]  <IRQ>
[ 1131.942151][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1131.942164][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 1131.942172][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1131.942178][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1131.942181][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1131.942187][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1131.942196][ C1] ? 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) 
[ 1131.942202][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1131.942205][ C1] ? 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) 
[ 1131.942208][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1131.942217][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1131.942220][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1131.942228][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1131.942231][ C1] ? __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) 
[ 1131.942240][ C1] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 1131.942249][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1131.942252][ C1] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 1131.942257][ C1] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 1131.942260][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 1131.942263][ C1] ? handle_softirqs (kernel/softirq.c:580) 
[ 1131.942271][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1131.942274][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1131.942276][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1131.942283][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1131.942288][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1131.942292][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1131.942295][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1131.942298][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1131.942305][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1131.942310][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1131.942315][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1131.942319][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1131.942325][ C1] call_timer_fn (kernel/time/timer.c:1748) 
[ 1131.942328][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1131.942330][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1131.942334][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1131.942338][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1131.942342][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1131.942346][ C1] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 1131.942350][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1131.942355][ C1] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 1131.942359][ C1] ? 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) 
[ 1131.942362][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1131.942365][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1131.942370][ C1] ? timer_expire_remote (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2135) 
[ 1131.942375][ C1] timer_expire_remote (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2135) 
[ 1131.942379][ C1] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 kernel/time/timer_migration.c:961) 
[ 1131.942383][ C1] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 1131.942386][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1131.942388][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1131.942392][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1131.942395][ C1] ? 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) 
[ 1131.942398][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1131.942402][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1131.942406][ C1] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 1131.942410][ C1] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 1131.942414][ C1] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 1131.942418][ C1] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 1131.942421][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 1131.942424][ C1] ? 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) 
[ 1131.942427][ C1] ? spin_bug (kernel/locking/spinlock_debug.c:79) 
[ 1131.942430][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1131.942434][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1131.942439][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 1131.942445][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1131.942449][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 1131.942451][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1131.942455][    C1]  </IRQ>
[ 1131.942456][    C1]  <TASK>
[ 1131.942457][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1131.942460][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1131.942465][ C1] Code: f2 ce 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 17 28 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:	f2 ce                	repnz (bad)
   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 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  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
[ 1131.942467][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 1131.942471][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffaa8125d9
[ 1131.942473][    C1] RDX: ffffed1006c166fb RSI: ffffffffaac58b60 RDI: ffffffffa7f8f5bf
[ 1131.942475][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c166fa
[ 1131.942476][    C1] R10: ffff8880360b37d3 R11: ffff8880360a834c R12: 0000000000000000
[ 1131.942478][    C1] R13: ffff888001bf0040 R14: dffffc0000000000 R15: 0000000000000000
[ 1131.942482][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1131.942485][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1131.942490][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1131.942492][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1131.942495][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1131.942498][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1131.942503][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1131.942509][ C1] do_idle (kernel/sched/idle.c:325) 
[ 1131.942512][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1131.942516][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1131.942519][ C1] ? __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
handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal